Best Legacy Software Modernization Companies in the USA

  • Updated on May 15, 2025

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    Many businesses still rely on old software systems that can slow things down or make it hard to grow. That’s where legacy software modernization comes in. Whether it’s updating outdated code, moving to the cloud, or improving performance and security, specialized companies across the U.S. are helping organizations upgrade their technology without starting from scratch. In this guide, we’ll take a look at some of the top firms offering these services and what they bring to the table.

    1. A-listware

    At A-listware, we specialize in legacy software modernization as part of our broader software development and IT consulting services. We help companies transition from outdated systems to modern architectures, ensuring their applications remain functional, secure, and aligned with current business needs. Our work often involves restructuring legacy codebases, migrating platforms to the cloud, updating outdated technologies, and integrating new components without disrupting existing business operations.

    We operate with a distributed team model, setting up dedicated development teams within 2 to 4 weeks. Our approach combines consulting, implementation, migration, and long-term support to help businesses move away from technical debt and legacy limitations. This includes developing customized modernization strategies based on each client’s technology stack, industry, and operational goals.

    Our experience spans multiple sectors including finance, healthcare, retail, manufacturing, logistics, and telecommunications. We support both cloud-based and on-premises environments and apply consistent quality control, secure coding practices, and compliance with client-specific requirements. With over 20 years in the field, our company continues to support digital transformation initiatives in North America and across Europe.

    We maintain a flexible pricing model and work under several engagement types, such as dedicated agile teams, time and material contracts, and KPI-driven programs. This enables clients to choose modernization paths that align with their business timelines and budget constraints. Our delivery process is structured around agile methodology, ongoing reporting, centralized knowledge management, and strong communication between teams.

    Key Highlights

    • Established presence in the USA and Europe
    • 25+ years of experience in software development and outsourcing
    • Over 100,000 candidates in our developer network
    • Dedicated agile team model with 24/7 expert availability
    • Experience across 15+ industries, including finance, healthcare, and manufacturing

    Services

    • Legacy Software Modernization
    • Software Development
    • Cloud Application Development
    • IT Consulting and Outsourcing
    • Infrastructure and Application Support
    • Data Analytics and Business Intelligence
    • Cybersecurity and ITSM Solutions
    • Dedicated Development Teams

    Contact and Social Media Information

    2. Euvic

    Euvic is a software development and IT consulting company that offers legacy software modernization services among its broader portfolio. Founded in 2005 and headquartered in New Jersey, the company operates through a distributed model that combines U.S.-based leadership with a development team primarily located in Poland. Their approach includes end-to-end service coverage, from initial project discovery through delivery and ongoing support. They focus on helping clients address challenges such as technical debt, lack of in-house capacity, integration complexity, and cost-to-value issues in software development.

    Euvic’s modernization services involve assessing current infrastructure, crafting tailored modernization strategies, and migrating or refactoring legacy systems to meet modern standards. The company supports projects across industries and provides dedicated managed teams, assembled based on project requirements, industry focus, and technological scope. Their service model includes scalable solutions and technical consulting backed by project coordination from U.S.-based personnel.

    Key Highlights

    • Founded in 2005
    • Headquarters in Jersey City, NJ
    • Operates using a U.S.-Poland blended delivery model

    Services

    • Legacy Software Modernization
    • Technical Consulting and Solution Architecture
    • Integration and Interoperability
    • UI/UX and Product Design
    • Mobile and Web Development
    • Cloud Development and Migration
    • Artificial Intelligence and Machine Learning
    • Quality Assurance and Testing
    • DevOps and Infrastructure Management
    • Team Augmentation and Managed Agile Teams

    Contact and Social Media Information

    • Website: www.euvic.com
    • Address: 101 Hudson Street, 21st Floor Jersey City, NJ, 07302 United States of America
    • Phone: +1 (201) 409-2342
    • Email: sales-na@euvic.com

    3. Vention

    Vention is a software development company that provides legacy application modernization services to clients across multiple industries.They offer services that address the technical and operational challenges associated with aging software systems. Their legacy modernization work includes code refactoring, rearchitecting, rebuilding, and migrating applications to cloud platforms. The company engages with enterprises, startups, and SMBs seeking to update legacy infrastructure for scalability, compliance, and operational continuity.

    Their approach involves evaluating the current system, identifying modernization opportunities, and applying technologies such as microservices, serverless architecture, and DevOps tools. Vention supports projects in sectors including fintech, healthtech, ecommerce, and real estate. The company also provides integration services, enabling modernized applications to connect with APIs, analytics tools, and external platforms. Their delivery model accommodates dedicated development teams and project-based engagements, with reported experience across over 500 clients and thousands of projects.

    Key Highlights

    • Headquarters in New York, NY
    • Projects delivered across multiple business industries
    • ISO/IEC 27001:2022 certified

    Services

    • Legacy Software Modernization
    • Code Refactoring and Reengineering
    • Cloud Migration
    • Application Rebuilding or Replacement
    • Integration and API Development
    • Modernization Consulting
    • DevOps and CI/CD Implementation
    • Agile Development

    Contact and Social Media Information

    • Website: ventionteams.com
    • Address: 575 Lexington Avenue, 14th Floor, New York, NY 10022
    • Phone: +1 (718) 374-5043
    • Email: hello@ventionteams.com
    • Instagram: www.instagram.com/ventionteams
    • Twitter: x.com/ventionteams
    • Linkedin: www.linkedin.com/company/ventionteams

    4. Taazaa

    Taazaa provides enterprise software development services with a focus on custom solutions tailored to individual business needs. Their offerings include modernizing existing applications and integrating older systems with new software. The company’s approach centers around building software products using current technologies, while working as an external development partner to reduce pressure on internal teams.

    According to information available on their website, Taazaa also supports the use of AI in software development to improve operational efficiency and enable cost savings across organizations. Their services are designed to assist businesses in managing complex workflows and updating digital infrastructure. In addition to enterprise solutions, the company shares insights and client success stories as part of their public-facing content.

    Key Highlights

    • Provides enterprise software development services
    • Offers modernization and integration of legacy systems
    • Uses AI-enhanced development for efficiency improvements
    • Works as an external development partner to support internal teams

    Services

    • Custom Enterprise Software Development
    • Legacy System Integration
    • Software Modernization
    • AI-Enhanced Software Solutions

    Contact and Social Media Information

    • Website: www.taazaa.com
    • Address: 1780 Stoney Hill Dr., Suite A, Hudson, OH 44236
    • Phone: +1 (888) 800-0016
    • Email: info@taazaa.com
    • Facebook: www.facebook.com/taazaainc
    • Instagram: www.instagram.com/taazaainc
    • Twitter: x.com/taazaainc
    • Linkedin: www.linkedin.com/company/taazaa-inc

    5. *instinctools

    *instinctools provides legacy software modernization services aimed at helping organizations upgrade outdated systems using current technologies. Founded in 2000, the company supports various modernization approaches, including code refactoring, reengineering, platform migration, and cloud transition. Their services address typical legacy-related issues such as system inefficiency, lack of flexibility, security vulnerabilities, and compliance risks. They also offer containerization, application customization, and consulting for modernization planning.

    Their process includes pre-discovery analysis, architectural planning, implementation, and post-modernization support. *instinctools incorporates AI to streamline modernization tasks, such as code analysis and automation. The company handles the modernization of web and mobile apps, enterprise platforms, and industry-specific software across sectors including manufacturing, healthcare, e-learning, logistics, and fintech. Their offerings are supported by a multi-location presence in the U.S., Germany, and Poland.

    Key Highlights

    • Founded in 2000
    • Offices in the U.S., Germany, and Poland
    • Offers AI integration in modernization workflows
    • Works across industries including healthcare, logistics, and ecommerce
    • Delivers both monolith-to-microservices and on-prem-to-cloud transitions

    Services

    • Legacy Software Modernization
    • Code Refactoring and Platform Migration
    • Complete System Reengineering
    • Cloud Migration and Containerization
    • Application Customization and Integration
    • Modernization Consulting and Post-launch Support
    • UX Redesign and Compliance Alignment
    • AI-Powered Automation for Modernization

    Contact and Social Media Information

    • Website: www.instinctools.com
    • Address: 12430 Park Potomac Ave, Unit 122 Potomac MD 20854, USA
    • Phone: +12028214280
    • Email: contact@instinctools.com
    • Facebook: www.facebook.com/instinctoolslabs
    • Instagram: www.instagram.com/instinctools
    • Twitter: x.com/instinctools_EE
    • Linkedin: www.linkedin.com/company/instinctoolscompany

    6. SEVEN

    SEVEN is a software development company established in 2007, providing services across the full software development life cycle. Their offerings include custom software development, modernization of legacy systems, product design, and application maintenance. The company works with multiple software types such as web and mobile applications, browser extensions, and desktop tools. Their legacy modernization process includes project discovery, system assessment, component prioritization, technique selection, and implementation planning based on business goals and technological requirements.

    They support several contract models including fixed-price, time and material, and dedicated teams. SEVEN serves clients in industries such as healthcare, education, and business, with experience in building telehealth platforms, learning management systems, analytics tools, and video communication software. They also provide software audits, documentation services, and embedded solutions. Their technical stack includes frontend and backend frameworks, mobile development platforms, cloud infrastructure, and a range of third-party service integrations.

    Key Highlights

    • Founded in 2007
    • Specializes in full-cycle software development
    • Offers project-based, dedicated team, and hybrid cooperation models
    • Develops software for healthcare, education, and business use cases
    • Implements both cloud-native and on-premises architectures

    Services

    • Legacy Software Modernization
    • Custom Software Development
    • Minimum Viable Product (MVP) Development
    • UX and UI Design
    • Software Prototyping and Proof of Concept
    • Software Maintenance and Issue Resolution
    • Software Documentation and Audit
    • Real-time Video and Audio Communication Solutions

    Contact and Social Media Information

    • Website: sevencollab.com
    • Address: 347 Fifth Ave, Suite 1402-191 New York City, NY 10016, USA
    • Phone: +1 917 997 50 99
    • Facebook: www.facebook.com/sevencollab
    • Twitter: x.com/sevencollab
    • Linkedin: www.linkedin.com/company/sevencollab

    7. Sparx IT Solutions

    Sparx IT Solutions is a software development company founded in 2007, offering services related to application modernization, digital transformation, and custom software development. The company provides modernization solutions that include consulting, software re-engineering, code refactoring, UI/UX updates, cloud migration, and DevOps integration. Their approach to legacy software includes structured assessment, architecture planning, strategic implementation, and continuous monitoring. Sparx IT Solutions operates across multiple industries including healthcare, finance, manufacturing, logistics, eCommerce, and education.

    Their development process includes initial system evaluation, defining modernization goals, selecting appropriate strategies, and executing migration using modern technologies. Their team supports multiple engagement models including fixed price, dedicated development, and time-and-materials. Technical expertise at Sparx IT Solutions spans Java, .NET, Python, cloud platforms like AWS and Azure, and technologies including AI, IoT, AR/VR, and blockchain. They also offer integration with various data management, analytics, and microservice-based frameworks.

    Key Highlights

    • Founded in 2007
    • Offices in the US, India, and UAE
    • Offers software modernization and cloud transformation
    • Works across sectors such as finance, healthcare, logistics, and education
    • Provides strategy development, implementation, and post-deployment support

    Services

    • Legacy Software Modernization
    • Application Re-engineering and Code Refactoring
    • Cloud Migration and DevOps Transformation
    • Custom Software Development
    • Digital Transformation Consulting
    • Cybersecurity Enhancement
    • API and UI/UX Upgrades
    • Ongoing Maintenance and Quality Assurance

    Contact and Social Media Information

    • Website: www.sparxitsolutions.com
    • Address: PMB #6020, 477 Madison Ave 6th FL, New York, NY 10022
    • Phone: +1 (857) 242-9910
    • Email: sumit@sparxit.com
    • Facebook: www.facebook.com/sparxitsolutions
    • Instagram: www.instagram.com/TeamSparxIT
    • Twitter: x.com/TeamSparxIT
    • Linkedin: www.linkedin.com/company/sparx-it-solutions

    8. EffectiveSoft

    EffectiveSoft is a software development company that has been operating since 2003. They provide custom software development and legacy application modernization services for businesses in various sectors including healthcare, fintech, logistics, and media. The company has offices across the United States and Costa Rica and works with clients from multiple regions. Their work includes application modernization involving cloud migration, software reengineering, data transformation, UI/UX upgrades, and containerization.

    Their legacy modernization services aim to adapt older systems for compatibility with modern platforms, enhance data accessibility, and support integration with current technologies. Their development process includes rearchitecting legacy codebases, implementing compliance updates, and supporting cross-platform functionality. The company also works with technologies such as artificial intelligence, machine learning, and edge computing and provides software that aligns with updated industry and accessibility standards.

    Key Highlights

    • Founded in 2003
    • Headquartered in San Diego, California
    • Offices in the US and Costa Rica
    • Serves clients in fintech, healthcare, logistics, and more
    • Offers legacy system reengineering and cloud modernization

    Services

    • Legacy Software Modernization
    • Software Reengineering and Rearchitecting
    • Cloud Migration and Application Containerization
    • Data Transformation and Integration
    • UI/UX Redesign for Legacy Interfaces
    • AI and Machine Learning Implementation
    • Software Compliance and Accessibility Updates
    • Cross-Platform Compatibility Development

    Contact and Social Media Information

    • Website: www.effectivesoft.com
    • Address: San Diego, California 4445 Eastgate Mall, Suite 200
    • Phone: 1-800-288-9659
    • Email: rfq@effectivesoft.com
    • Facebook: www.facebook.com/EffectiveSoft
    • Twitter: x.com/EffectiveSoft
    • Linkedin: www.linkedin.com/company/effectivesoft

    9. Innowise

    Innowise is an international software development and IT consulting company established in 2007. It delivers custom software projects across various industries, including healthcare, finance, education, logistics, and manufacturing. The company operates globally with offices in Europe, North America, and the Middle East. Innowise provides legacy software modernization services that include consulting, migration, reengineering, rearchitecting, and post-launch support.

    Their legacy modernization offerings aim to assist clients in transitioning from outdated systems to modern, scalable software. These services cover application containerization, UI/UX redesign, cloud migration, and microservices architecture transformation. Innowise also works with technologies such as AI, big data, IoT, and blockchain to support digital transformation objectives and ensure that software systems meet evolving technical and business requirements.

    Key Highlights

    • Founded in 2007
    • Offices in the US, UK, Germany, UAE, Poland, and other regions
    • Experience with global clients across multiple sectors

    Services

    • Legacy application modernization
    • Cloud migration and serverless transformation
    • Software reengineering and rearchitecting
    • API integration and application containerization
    • UI/UX modernization
    • IT audit and modernization consulting
    • AI, big data, and IoT implementation
    • DevOps and software maintenance

    Contact and Social Media Information

    • Website: innowise.com
    • Address: St. Petersburg FL 33702, 7901 4th St N STE 300
    • Phone: +1 772 232 7337
    • Email: contact@innowise.com
    • Twitter: x.com/innowisegroup
    • Linkedin: www.linkedin.com/company/innowise-group

    10. The Intellify

    The Intellify is a software development company established in 2018. They provide application development and digital transformation services to clients across multiple regions including North America, Europe, Asia, and the Middle East. Their service offerings are focused on cloud development, artificial intelligence, augmented and virtual reality, and application modernization. The company works with clients in industries such as healthcare, insurance, retail, real estate, manufacturing, sports, and finance.

    Their legacy application modernization services are designed to update legacy platforms, data systems, codebases, and UI/UX interfaces. The company offers support for cloud migration, mainframe optimization, and the adoption of microservices architecture. The Intellify also provides consultation and engineering services to transition monolithic applications to more modular and scalable solutions, incorporating cloud infrastructure and automation tools when required.

    Key Highlights

    • Founded in 2018
    • Global offices in the US, Germany, India, and Israel

    Services

    • Legacy software, app, data, code, and mainframe modernization
    • Cloud migration (AWS, Google Cloud, Azure)
    • UI/UX modernization
    • Application containerization and serverless infrastructure
    • AI/ML integration and automation
    • Microservices architecture and API development
    • DevOps implementation

    Contact and Social Media Information

    • Website: theintellify.com
    • Address: 6600 Chase Oaks Blvd Suite 150 Plano, TX 75023 USA
    • Phone: +1-302-803-4983
    • Email: hello@theintellify.com
    • Facebook: www.facebook.com/theintellify
    • Instagram: www.instagram.com/the_intellify
    • Twitter: x.com/theintellify
    • Linkedin: www.linkedin.com/company/theintellify

    11. Halo Lab

    Halo Lab is a design and development agency that works with companies across various industries to create web-based products, applications, and software platforms. They provide services that range from branding and UI/UX design to custom software engineering and digital marketing. The company’s client base includes startups and enterprises, and their portfolio features solutions in education, finance, healthcare, logistics, and SaaS. Halo Lab operates with a multidisciplinary team and offers dedicated project support for different business stages.

    Their legacy software modernization services are aimed at organizations looking to upgrade outdated systems. These services include the redesign, redevelopment, and rearchitecture of legacy applications to meet current technology standards and business requirements. They apply a structured process that includes system analysis, modernization planning, interface upgrades, backend development, and ongoing system support. The goal is to help clients extend the lifespan of their software while improving operational performance and maintainability.

    Key Highlights

    • Offers UI/UX, design, development, and marketing services
    • Works with startups, software companies, and enterprises

    Services

    • Legacy software modernization
    • UI/UX and web design
    • Mobile and web application development
    • CMS and MVP development
    • SEO, CRO, and content marketing
    • Cloud services (AWS, Azure)
    • AI and chatbot integration
    • Education, finance, logistics, and healthcare software

    Contact and Social Media Information

    • Website: www.halo-lab.com
    • Address: 1178 Broadway, 3rd Floor #4119, New York, NY 10001, US
    • Phone: +12133378573
    • Email: inquiry@halo-lab.com
    • Instagram: www.instagram.com/halolabteam
    • Linkedin: www.linkedin.com/company/halolabteam

    12. Brainhub

    Brainhub is a software engineering company that collaborates with organizations to develop and modernize digital products. Founded in 2015, the company has worked in areas such as fintech, healthcare, automotive, and media. Their service delivery model includes end-to-end support from planning to implementation, with an emphasis on engineering practices that incorporate continuous integration, automated testing, and scalable architecture. Brainhub’s teams are composed of software developers, designers, project managers, and analysts, with operations focused primarily on clients in Europe and North America.

    The company offers legacy application modernization services for clients with outdated systems. These services involve migrating applications to cloud platforms, redesigning user interfaces, breaking down monolithic systems into microservices, and improving software security. Brainhub follows a structured modernization process that includes a preliminary assessment, workshops, roadmap development, and implementation. Their modernization offering supports a range of technologies, including .NET, Node.js, React, AWS, and Kubernetes.

    Key Highlights

    • Established in 2015
    • Merger with STX Next to expand AI and Python expertise
    • Uses a modular and documented development approach
    • Offers reports and resources focused on modernization practices

    Services

    • Legacy app modernization
    • Web, mobile, and desktop app development
    • Cloud engineering and DevOps
    • Generative AI development
    • Software architecture design
    • Staff augmentation
    • UI/UX design
    • Discovery workshops

    Contact and Social Media Information

    • Website: brainhub.eu
    • Address: 25 SE 2nd Ave Ste 550 PMB 1203 Miami, FL 33131 United States
    • Phone: +48 733 707 758
    • Email: sales@brainhub.eu
    • Facebook: www.facebook.com/brainhubapps
    • Twitter: x.com/Brainhubeu
    • Linkedin: www.linkedin.com/company/brainhub-pl

    13. Cleveroad

    Cleveroad is a software development company founded in 2011 that provides end-to-end digital product development services. The company works with clients across various industries, delivering custom solutions for mobile and web platforms. Their areas of expertise include healthcare, logistics, finance, education, retail, media, and travel. In addition to standard development, they also offer services such as IT staff augmentation, product discovery, and CTO as a service.

    One of Cleveroad’s service categories is legacy software modernization. This includes reengineering existing software, migrating systems to cloud platforms, redesigning user interfaces, and integrating modern technologies such as AI, IoT, and blockchain. Their modernization process involves consultation, strategy planning, roadmap development, and execution. These services are designed to improve system scalability, reduce maintenance costs, and enhance data security.

    Key Highlights

    • Founded in 2011
    • ISO 9001 and ISO 27001 certified
    • AWS Select Tier Partner

    Services

    • Legacy software modernization
    • Mobile and web app development
    • UI/UX design
    • DevOps and cloud consulting
    • Software testing
    • Dedicated development teams
    • IT consulting and staff augmentation
    • Product discovery and MVP development

    Contact and Social Media Information

    • Website: www.cleveroad.com
    • Address: USA, Claymont 2093 Philadelphia Pike #1655
    • Phone: +1 415 231 3721
    • Email: sales@cleveroad.com
    • Facebook: www.facebook.com/cleveroadinc
    • Twitter: x.com/cleveroad
    • Linkedin: www.linkedin.com/company/cleveroad

    14. Sparq

    Sparq is a digital engineering company that delivers software development services with a focus on AI integration, data analytics, and cloud platform engineering. The company operates through a distributed network across the United States and Latin America, assembling teams based on client needs for either onshore or nearshore delivery. Their work involves supporting digital transformation efforts by embedding AI into core business solutions and infrastructure.

    One of Sparq’s focus areas is legacy application modernization, which they approach through assessment, strategic planning, refactoring, migration, and integration. The company outlines several key goals of modernization, including addressing outdated technology, improving scalability, reducing costs, and enhancing user experience. Their teams implement cloud-native architectures, microservices, and DevOps methodologies to support more adaptive and secure systems.

    Key Highlights

    • U.S. headquarters located in Atlanta, Georgia
    • Operates through a distributed delivery model across the Americas
    • Acquired Kingsmen Software and Amplify Consulting Partners
    • AWS Advanced Consulting Partner

    Services

    • Product design and development
    • Platform engineering and cloud services
    • Data, analytics, and AI
    • Legacy application modernization
    • Scrum-as-a-Service®

    Contact and Social Media Information

    • Website: www.teamsparq.com
    • Address: Atlanta, GA US
    • Phone: 877-887-4774
    • Email: inquiries@teamsparq.com
    • Facebook: www.facebook.com/teamsparq
    • Instagram: www.instagram.com/sparqinc
    • Twitter: x.com/sparqinc
    • Linkedin: www.linkedin.com/company/teamsparq

    15. DICEUS

    DICEUS is a custom software development company established in 2011, providing services for enterprises across industries such as insurance, banking, fintech, healthcare, logistics, and retail. The company delivers software solutions including web and mobile development, enterprise software engineering, and legacy application modernization. DICEUS operates globally, with development centers and offices across Europe, the United States, and the Middle East.

    Their legacy modernization services include application audits, strategic migration, refactoring, re-architecting, UI/UX redesign, and cloud transition. DICEUS also offers IT staff augmentation and dedicated teams, supporting custom software projects with capabilities in DevOps, data management, and system integration. The company has developed and delivered software for clients such as BriteCore, Raiffeisen Bank, Palmers Textil, and Fadata.

    Key Highlights

    • Founded in 2011
    • Offices in the USA, Poland, Ukraine, UAE, Austria, Denmark, Lithuania, and Faroe Islands

    Services

    • Custom software development
    • Legacy application modernization
    • Mobile and web app development
    • IT staff augmentation and team extension
    • Data migration and system integration
    • DevOps and cloud consulting
    • UI/UX design and software audit

    Contact and Social Media Information

    • Website: diceus.com/
    • Address: 2810 N Church St, Ste 94987, Wilmington, Delaware 19802-4447
    • Phone: +19293091005
    • Email: info@diceus.com
    • Facebook: www.facebook.com/DICEUS
    • Twitter: x.com/diceus_global
    • Linkedin: www.linkedin.com/company/diceus

    16. ScienceSoft

    ScienceSoft is an IT consulting and software development company founded in 1989. They provide services across various industries, including healthcare, banking, insurance, retail, manufacturing, and telecom. The company operates internationally, with offices in the United States, Mexico, Finland, Poland, Lithuania, Latvia, the UAE, and Saudi Arabia. Their team delivers digital solutions that include enterprise applications, mobile apps, web portals, and data analytics systems.

    ScienceSoft also specializes in application modernization, offering rehosting, replatforming, re-architecting, refactoring, and migration to cloud environments. Their approach includes application audits, regulatory compliance reviews, redesign of legacy systems, data modernization, and containerization. ScienceSoft supports both cloud-based and on-premise infrastructures and has experience with platforms such as Dynamics 365, Salesforce, Magento, and ServiceNow.

    Key Highlights

    • Founded in 1989
    • Offices in North America, Europe, and the Gulf region

    Services

    • Custom software development
    • Legacy application modernization
    • Cloud migration
    • Application re-architecting and refactoring
    • Data analytics and BI services
    • IT infrastructure and cybersecurity services
    • QA and testing
    • IT consulting and project management

    Contact and Social Media Information

    • Website: www.scnsoft.com
    • Address: 5900 S. Lake Forest Drive Suite 300, McKinney, Dallas area, TX 75070
    • Phone: +1 214 306 6837
    • Email: contact@scnsoft.com
    • Facebook: www.facebook.com/sciencesoft.solutions
    • Twitter: x.com/ScienceSoft
    • Linkedin: www.linkedin.com/company/sciencesoft

    17. ModLogix

    ModLogix is a software modernization company that focuses on upgrading outdated systems to more secure, scalable, and efficient platforms. Originally part of Langate, the ModLogix brand was established to concentrate on transforming legacy applications across various industries such as healthcare, insurance, financial services, and technology. The company works with aging software built on platforms like Visual Basic, MS Access, and ASP, modernizing them into cloud-based or web-enabled environments.

    Their approach includes in-depth software assessments, audits, and the development of modernization roadmaps tailored to individual client needs. ModLogix also provides migration services for desktop-to-web applications, .NET framework upgrades, and integration of legacy systems with modern APIs. They support clients in transitioning to newer technologies without disrupting business continuity and focus on enabling legacy systems to meet current software standards.

    Key Highlights

    • Operates under Langate Corporation
    • Based in New York, NY
    • Focuses exclusively on legacy system modernization
    • Works across industries including healthcare, financial services, and technology

    Services

    • Legacy software audit and system assessment
    • Cloud migration
    • Desktop-to-web application migration
    • .NET and Visual Basic system modernization
    • API integration
    • Software reengineering and re-architecting
    • Legacy application upgrades

    Contact and Social Media Information

    • Website: modlogix.com
    • Address: 1460 Broadway New York, NY 10036
    • Phone: (646) 366-7566
    • Email: info@modlogix.com
    • Twitter: x.com/modlogix
    • Linkedin: www.linkedin.com/company/modlogix

    18. ManekTech

    ManekTech is a software development company established in 2011 that provides custom digital solutions across industries such as healthcare, finance, education, logistics, and eCommerce. The company offers services in application development, mobile and web development, enterprise software, and software modernization. With global offices in the USA, UK, Germany, South Africa, and India, they serve clients ranging from startups to larger enterprises. Their software modernization services focus on transforming legacy systems through refactoring, UI/UX upgrades, platform migration, and infrastructure improvements.

    The company also supports legacy systems by transitioning them to cloud environments and modern technology stacks. They offer consulting services to help assess outdated software and recommend modernization strategies aligned with specific business goals. Their process includes pre-discovery, re-architecture, implementation, integration, and post-modernization support. ManekTech reports having completed thousands of projects and maintains a portfolio that includes collaborations with organizations from various sectors, including government, manufacturing, and media.

    Key Highlights

    • Founded in 2011
    • Offices in the USA, UK, Germany, South Africa, and India
    • Offers both modernization services and new software development
    • Works with industries including automotive, law enforcement, and hospitality

    Services

    • Legacy software modernization
    • Application development
    • Mobile and web development
    • Software maintenance and support
    • UI/UX modernization
    • Cloud migration and infrastructure modernization
    • SaaS development and product re-engineering
    • Offshore development and developer hiring

    Contact and Social Media Information

    • Website: www.manektech.com
    • Address: 4100 NW Loop 410, Suite 200, San Antonio, Texas, USA 78229
    • Phone: +918511428441
    • Email: info@manektech.com
    • Facebook: www.facebook.com/ManekTech-191482567545069
    • Instagram: www.instagram.com/manektech
    • Twitter: x.com/manektech
    • Linkedin: www.linkedin.com/company/manektech

    19. Sombra

    Sombra is a software consulting company that offers technology services for businesses seeking digital transformation. The company operates globally with a distributed team across North America, Eastern Europe, and Latin America. Their service areas include application modernization, AI and machine learning integration, data analytics, IT consulting, and custom software development. Sombra also provides managed teams for businesses needing dedicated technical staff.

    Their application modernization services cover legacy system analysis, cloud migration, framework upgrades, and system re-architecting. The company works with tools and platforms such as AWS, Azure, GCP, Kubernetes, Docker, and Datadog. They deliver assessments and modernization plans tailored to specific client requirements, followed by implementation and ongoing support. Their focus industries include finance, healthcare, and education, among others.

    Key Highlights

    • Operates in North America, Eastern Europe, and Latin America
    • Uses AWS, Azure, GCP, Kubernetes, Docker, and other tools

    Services

    • Legacy software modernization
    • Cloud migration and system re-architecting
    • AI and ML development
    • Data and analytics consulting
    • Custom software development
    • Managed software development teams
    • IT consulting

    Contact and Social Media Information

    • Website: sombrainc.com
    • Address: 1550 Wewatta St, Denver, CO 80202, USA
    • Phone: +17204594125
    • Email: info@sombrainc.com
    • Facebook: www.facebook.com/sombra.software
    • Instagram: www.instagram.com/sombra_software
    • Linkedin: www.linkedin.com/company/sombra-inc

    20. On Wave Group

    On Wave Group is a software development and IT consulting company based in the United States, with over 20 years of experience in providing custom digital solutions. The company serves businesses of various sizes and industries, offering services that include software development, mobile and web application design, and legacy system modernization. Their approach to modernization involves evaluating existing systems, identifying strategic upgrade paths, and implementing refinements to align legacy infrastructure with modern technologies.

    Their legacy software modernization services are structured into phases that include system evaluation, technical upgrades, and ongoing validation. The company also emphasizes maintaining the core functionality of older systems while transitioning them to newer frameworks or cloud environments. On Wave Group supports development using iterative processes, version control, and automated deployment to meet evolving client requirements. They also highlight their ability to support IT management, product engineering, and information security.

    Key Highlights

    • Legacy modernization process includes planning, technical upgrade, and validation
    • Offers customized development strategies

    Services

    • Legacy software modernization and maintenance
    • Web design and development
    • Mobile app development for iOS and Android
    • E-commerce development
    • IT management and infrastructure integration
    • Product engineering and quality control systems
    • Information security solutions

    Contact and Social Media Information

    • Website: onwavegroup.com
    • Address: 8 The Green, Suite A, Dover, Delaware 19901, US
    • Phone: +1 302 364 0378
    • Email: info@onwavegroup.com
    • Facebook: www.facebook.com/On-Wave-Software-Group-101488615833483
    • Instagram: www.instagram.com/onwave_group
    • Linkedin: www.linkedin.com/company/onwavesoftwaregroup

    21. Orion eSolutions

    Orion eSolutions is a software development company established in 2012. They provide custom software development and IT consulting services to clients in industries such as healthcare, e-commerce, real estate, education, and more. Their work includes legacy software modernization, cloud solutions, and system integration. Orion operates across several regions including the United States, Canada, Australia, New Zealand, and India. Their development process includes evaluation, planning, system redesign, testing, deployment, and post-launch maintenance.

    The company offers modernization of legacy systems by updating architecture, migrating to cloud platforms, improving user interfaces, and integrating advanced technologies. They work with various tools and frameworks such as .NET, ASP.NET, React.js, Azure, AWS, and microservices. Their approach includes on-demand staffing, managed IT services, DevOps consulting, and product development. Orion also maintains a library of case studies that showcase their work on platforms in healthcare, events, logistics, printing, and e-commerce.

    Key Highlights

    • Founded in 2012
    • Offices in the USA, Canada, Australia, New Zealand, and India
    • Offers on-demand development teams and remote staffing

    Services

    • Legacy software modernization
    • Cloud migration and management
    • Software re-engineering
    • System and data modernization
    • Custom web and mobile app development
    • UI/UX modernization
    • DevOps consulting
    • Managed IT services
    • AI and voice/chat agent development

    Contact and Social Media Information

    • Website: orionesolutions.com
    • Address: 570 E WILLIAM ST San Jose, 
CA 95112
    • Phone: (+1) 647 -706 -7086
    • Email: info@orionesolutions.com
    • Facebook: www.facebook.com/OrioneSolutions11
    • Instagram: www.instagram.com/orioneSolutions
    • Twitter: x.com/orionesolutions
    • Linkedin: www.linkedin.com/company/orion-esolutions

    22. Andersen

    Andersen is a software development company that offers a wide range of services across industries such as finance, healthcare, logistics, telecommunications, automotive, and media. Their service model includes full-cycle development, staff augmentation, engineering, support, and cloud consulting. Andersen provides digital transformation solutions built on modern frameworks and tools for mobile, web, and enterprise applications.

    Among its core areas of expertise, Andersen focuses on legacy system modernization. Their process includes legacy codebase refactoring, re-architecting, replatforming, and complete application rebuilding. They also offer system migration, API integration, and compliance updates. The company applies multiple modernization strategies such as encapsulation, rehosting, and refactoring, depending on client infrastructure and goals. Andersen operates globally and works with clients in both private and public sectors.

    Key Highlights

    • Global client base across various industries
    • Modernization services include both strategy and execution

    Services

    • Legacy system modernization
    • AI and data solutions
    • Cloud migration and development
    • Application development (mobile and web)
    • Cybersecurity services
    • DevOps and engineering
    • Business analysis and solution architecture
    • UI/UX design
    • Staff augmentation

    Contact and Social Media Information

    • Website: andersenlab.com
    • Address: 5700 Tennyson Pkwy #300, Plano, TX 75024
    • Phone: +1 469 895 7144
    • Email: vn@andersenlab.com
    • Facebook: www.facebook.com/AndersenSoftwareDev
    • Instagram: www.instagram.com/andersen.global
    • Twitter: x.com/AndersenLabs
    • Linkedin: www.linkedin.com/company/andersen-lab

    Conclusion 

    Modernizing legacy software isn’t just about staying current with technology, it’s about keeping businesses adaptable, secure, and ready for the future. Across the USA, companies offering legacy software modernization services are helping organizations transition from outdated systems to more agile, scalable, and efficient solutions. Whether it’s migrating to the cloud, re-architecting aging platforms, or integrating with modern APIs, these firms provide tailored approaches to meet a variety of technical and business needs.

    Choosing the right modernization partner depends on your current infrastructure, long-term goals, and the complexity of your existing systems. From consultation to deployment and support, these companies bring the tools and expertise to help reduce risks, cut maintenance costs, and improve performance. For any organization looking to evolve its digital backbone, legacy software modernization is a strategic move toward long-term success.

     

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