In an era of rapid digital transformation, application modernization has become a critical factor in maintaining business competitiveness. Companies worldwide face the challenge of updating legacy systems to ensure compatibility with modern cloud platforms, enhance performance, and improve user experiences. In the USA, the application modernization sector is thriving, offering a wide range of solutions for integrating cutting-edge technologies such as artificial intelligence, big data analytics, and microservices architectures.
Selecting a reliable contractor in this field is crucial, as the expertise and experience of the provider directly impact the success of the transformation and the long-term sustainability of the business. This article provides an overview of leading US companies specializing in application modernization. We will explore their core services, approaches, and capabilities to assist you in making an informed choice for your project’s implementation.
1. A-Listware
We are a technology company dedicated to helping businesses evolve their digital infrastructure through innovative software solutions. Our core focus lies in transforming and upgrading legacy systems to meet modern demands, ensuring seamless integration with cutting-edge technologies. By leveraging our expertise in software development, we assist organizations in revitalizing their applications to enhance performance, scalability, and user experience. Our team collaborates closely with clients to understand their unique needs, delivering solutions that align with their operational goals.
Our approach centers on modernizing applications by incorporating advanced tools such as artificial intelligence, machine learning, and big data analytics, while maintaining compatibility with established systems. We prioritize creating adaptable solutions that evolve with changing business requirements, enabling organizations to stay competitive in dynamic markets. Beyond development, we offer comprehensive support throughout the modernization process, from strategy formulation to implementation, ensuring that updated systems deliver measurable value. Our commitment to quality drives us to perform thorough testing and optimization, resulting in reliable and efficient software tailored to each client’s objectives.
Key Highlights:
- We integrate advanced technologies like AI and big data into software modernization processes
- Our team manages end-to-end project lifecycles, from planning to deployment
- We emphasize seamless communication to align solutions with client needs
Services:
- Upgrading legacy systems to enhance functionality and performance
- Designing scalable software architectures for long-term adaptability
- Implementing data-driven solutions to optimize business processes
- Providing comprehensive testing to ensure application reliability
Contact Information:
- Website: a-listware.com
- Email: info@a-listware.com
- Facebook: www.facebook.com/alistware
- LinkedIn: www.linkedin.com/company/a-listware
- Address: North Bergen, NJ 07047, USA
- Phone Number: +1 (888) 337 93 73
2. Splunk
Splunk is a technology company focused on delivering advanced observability and performance monitoring solutions for enterprise applications. Its expertise lies in providing tools that enable businesses to optimize their software ecosystems, ensuring seamless operation and enhanced user experiences. The company specializes in application performance management (APM), which empowers organizations to modernize their applications by identifying performance bottlenecks, streamlining workflows, and improving system reliability. By offering deep visibility into application stacks, Splunk supports enterprises in transforming legacy systems into agile, cloud-ready solutions, aligning with the demands of modern digital environments.
The company’s offerings include sophisticated monitoring capabilities that track application behavior across diverse infrastructures, from on-premises servers to cloud-native environments. With features like real-time analytics and automated issue detection, Splunk helps organizations update their applications to meet current performance standards while maintaining operational stability. Its solutions are designed to map complex application architectures, providing clear insights into data flows and dependencies, which is critical for businesses aiming to enhance their software’s scalability and efficiency.
Key Highlights:
- Comprehensive observability across hybrid and multi-tier application environments
- Automated discovery of application components for simplified modernization efforts
- Integration with major cloud platforms and third-party tools for flexible deployments
Services:
- Application performance monitoring for optimizing software functionality
- End-user monitoring to track and improve digital experiences
- Infrastructure monitoring to ensure system stability during upgrades
- Business transaction analytics for aligning application updates with organizational goals
Contact Information:
- Website: www.splunk.com
- E-mail: education@splunk.com
- Facebook: www.facebook.com/splunk
- Twitter: x.com/splunk
- LinkedIn: www.linkedin.com/company/splunk
- Instagram: www.instagram.com/splunk
- Address: 3098 Olsen Drive San Jose, California 95128
- Phone: +1 415 848 8400
3. New Relic
New Relic provides a cloud-based observability platform designed to help businesses monitor and enhance the performance of their digital systems. Specializing in real-time analytics and application performance monitoring, the company enables organizations to modernize their software by delivering actionable insights into application health and user interactions. Its solutions cater to a wide range of businesses, from startups to established enterprises, offering tools to streamline application updates and ensure compatibility with modern infrastructures like cloud and microservices.
The platform emphasizes ease of use, with intuitive dashboards that present performance metrics in a clear, accessible format. New Relic’s focus on full-stack observability allows companies to track application performance across various layers, including servers, databases, and end-user experiences. This holistic approach supports seamless modernization by helping businesses identify inefficiencies, optimize code, and integrate new technologies without disrupting existing operations.
Key Highlights:
- User-friendly interface with customizable dashboards for performance tracking
- Broad support for multiple programming languages and cloud environments
- Real-time insights into application and infrastructure performance
- Extensive integration options with third-party tools for enhanced flexibility
Services:
- Application performance monitoring to optimize software efficiency
- Infrastructure monitoring for maintaining system reliability during upgrades
- Real-user monitoring to enhance digital experience quality
- Log management for detailed analysis and troubleshooting of application issues
Contact Information:
- Website: newrelic.com
- Facebook: www.facebook.com/NewRelic
- Twitter: x.com/newrelic
- LinkedIn: www.linkedin.com/company/new-relic-inc-
- Instagram: www.instagram.com/newrelic
- Address: 1100 Peachtree Street NE, Suite 2000, Atlanta, GA 30309, USA
- Phone: +1 (888) 643-8776
4. Dynatrace
Dynatrace is a software intelligence platform that delivers automated, AI-powered observability for complex application environments. The company focuses on enabling businesses to modernize their software by providing deep insights into performance, user experiences, and system dependencies. Its solutions are tailored to simplify the complexities of cloud-native and hybrid infrastructures, helping organizations transform legacy applications into scalable, efficient systems that align with modern digital requirements.
With a strong emphasis on automation, Dynatrace uses AI-driven analytics to detect performance issues and suggest optimization strategies, reducing the manual effort required for application upgrades. The platform’s ability to automatically map application dependencies and monitor transactions in real time supports businesses in achieving seamless modernization while maintaining high standards of reliability and user satisfaction across diverse technology stacks.
Key Highlights:
- AI-powered analytics for automated issue detection and resolution
- Full-stack monitoring covering applications, infrastructure, and user experiences
- Automatic dependency mapping for simplified application upgrades
Services:
- Application performance monitoring for optimizing software functionality
- Infrastructure monitoring to ensure stability during modernization
- Digital experience monitoring to enhance user interactions
- AI-driven analytics for proactive system optimization and troubleshooting
Contact Information:
- Website: www.dynatrace.com
- Facebook: www.facebook.com/Dynatrace
- Twitter: x.com/Dynatrace
- LinkedIn: www.linkedin.com/company/dynatrace
- Instagram: www.instagram.com/dynatrace
- Address: 401 Castro Street, Second Floor Mountain View, CA, 94041 USA
- Phone: +1 650 436 6700
5. Perficient
Perficient is a digital consultancy that specializes in guiding organizations through technology transformations, with a strong focus on modernizing applications to meet evolving business needs. The company provides strategic expertise and technical solutions to help businesses update their software ecosystems, ensuring alignment with modern digital standards. By combining industry knowledge with technical proficiency, Perficient supports enterprises in rearchitecting legacy systems, adopting cloud technologies, and enhancing application performance to drive operational efficiency.
The consultancy’s approach involves tailored strategies that address the unique challenges of each client’s technology stack. Perficient emphasizes collaboration, working closely with organizations to design and implement modernization initiatives that integrate emerging technologies like cloud, AI, and microservices. Its services span the entire modernization lifecycle, from assessing existing systems to deploying scalable, future-ready applications that support long-term business growth.
Key Highlights:
- Tailored modernization strategies based on client-specific technology needs
- Expertise in integrating emerging technologies like AI and cloud platforms
- Comprehensive support across the entire modernization project lifecycle
Services:
- Application assessment and strategy development for modernization planning
- Cloud migration and integration for scalable software solutions
- Custom application development to address specific business requirements
- Technology consulting to optimize application performance and architecture
Contact Information:
- Website: www.perficient.com
- Facebook: www.facebook.com/perficient
- Twitter: x.com/perficient
- LinkedIn: www.linkedin.com/company/perficient
- Instagram: www.instagram.com/perficient
- Address: 13560 Morris Road Suite 3300 Alpharetta, GA 30004
- Phone: +1 855 411 77 38
6. EPAM Systems
EPAM Systems is a global technology consultancy that focuses on digital engineering and software development, helping organizations transform their legacy systems into modern, scalable applications. The company specializes in creating tailored solutions that enable businesses to update their software architectures, ensuring compatibility with cloud environments and emerging technologies. By leveraging deep technical expertise, EPAM supports enterprises in reengineering their applications to enhance performance, flexibility, and alignment with business objectives.
The company’s approach emphasizes rapid optimization through strategic planning and execution, guiding clients through the complexities of modernizing outdated systems. EPAM’s services include assessing legacy applications, rearchitecting them for cloud-native environments, and integrating advanced technologies like AI and automation. This enables businesses to achieve seamless transitions, improving operational efficiency and user experiences without disrupting existing workflows.
Key Highlights:
- Multidisciplinary teams combining business strategy with technical expertise
- Focus on cloud-native architectures for scalable application upgrades
- Data-driven approach to assess and optimize legacy systems
Services:
- Legacy application assessment and reengineering
- Cloud migration and platform optimization
- Custom software development for modern architectures
- Technology consulting for strategic application upgrades
Contact Information:
- Website: www.epam.com
- Facebook: www.facebook.com/EPAM.Global
- LinkedIn: www.linkedin.com/company/epam-systems
- Instagram: www.instagram.com/epamsystems
- Address: 41 University Drive, Suite 202, Newtown, PA 18940, USA
- Phone: +1-267-759-9000
7. GlobalLogic
GlobalLogic is a digital product engineering firm that specializes in designing and developing innovative software solutions to modernize enterprise applications. The company focuses on creating user-centric, scalable systems that align with modern technological standards, particularly in cloud and microservices architectures. By emphasizing product strategy and user experience, GlobalLogic helps organizations transform their legacy applications into agile, high-performing platforms that support long-term growth.
The firm’s expertise spans the full lifecycle of application modernization, from ideation and design to implementation and ongoing optimization. GlobalLogic employs a collaborative approach, working closely with clients to understand their unique needs and deliver customized solutions. Its services include re-platforming legacy systems, enhancing application functionality, and integrating modern frameworks to ensure compatibility with evolving digital ecosystems.
Key Highlights:
- Emphasis on user experience design in application upgrades
- Expertise in microservices and cloud-based architectures
- Support for end-to-end product engineering and modernization
Services:
- Application re-platforming for cloud environments
- User experience design for modernized applications
- Custom software development for scalable systems
- Digital transformation consulting and implementation
Contact Information:
- Website: www.globallogic.com
- E-mail: info@globallogic.com
- Facebook: www.facebook.com/GlobalLogic
- Twitter: x.com/globallogic
- LinkedIn: www.linkedin.com/company/globallogic
- Instagram: www.instagram.com/globallogic
- Address: 2535 Augustine Drive, Suite 500 Santa Clara, CA 95054, USA
- Phone: +1-408-273-8900
8. Slalom
Slalom is a technology and business consultancy that specializes in helping organizations modernize their applications to meet the demands of today’s digital landscape. The company focuses on delivering tailored solutions that enhance system performance, scalability, and user satisfaction. By combining strategic insight with technical proficiency, Slalom enables businesses to update their legacy applications, ensuring they are agile, cloud-compatible, and aligned with organizational goals.
Slalom’s approach involves close collaboration with clients to create customized modernization roadmaps that address specific business challenges. The consultancy provides end-to-end services, from assessing current systems to implementing modern architectures like cloud-native platforms. Its focus on data-driven strategies and agile methodologies ensures that modernized applications are both efficient and adaptable to future technological advancements.
Key Highlights:
- Customized modernization roadmaps tailored to client needs
- Strong focus on agile methodologies for flexible upgrades
- Integration of data-driven insights into application transformation
Services:
- Application assessment and modernization planning
- Cloud migration and system rearchitecture
- Agile development for modern software solutions
- Technology strategy and implementation support
Contact Information:
- Website: www.slalom.com
- Twitter: x.com/slalom
- LinkedIn: www.linkedin.com/company/slalom-consulting
- Instagram: www.instagram.com/slalomconsulting
- Address: 725 Ponce de Leon Avenue NE Suite 500 Atlanta, GA 30306
- Phone: +1 470 607 37 49
9. Virtusa
Virtusa is a digital engineering company that focuses on transforming legacy applications into modern, agile systems to drive business innovation. The company specializes in creating streamlined, scalable software solutions that enhance operational efficiency and customer experiences. By leveraging advanced tools like APIs and microservices, Virtusa helps organizations update their applications to meet the demands of modern digital environments, ensuring seamless integration with cloud platforms and third-party systems.
The company’s modernization services emphasize a structured approach, starting with portfolio assessments to identify opportunities for improvement. Virtusa’s solutions are designed to retain critical business logic while transitioning to flexible, high-performance architectures. This enables businesses to achieve faster time-to-market and improved system reliability, particularly in industries with complex technology needs.
Key Highlights:
- Structured portfolio assessments for targeted modernization
- Use of API and microservices for flexible system upgrades
- Focus on retaining legacy business logic during transformation
Services:
- Legacy application assessment and transformation
- Microservices and API integration for modern systems
- Cloud migration and application reengineering
- Digital engineering for industry-specific solutions
Contact Information:
- Website: www.virtusa.com
- Facebook: www.facebook.com/virtusa.corporate
- Twitter: x.com/VirtusaCorp
- LinkedIn: www.linkedin.com/companies/virtusa
- Instagram: www.instagram.com/virtusacorp
- Address: 100 Northfield Drive, Suite 305 Windsor , CT 06095, USA
- Phone: +1 8 606 889 900
10. Thoughtworks
Thoughtworks is a technology consultancy that specializes in custom software development and digital transformation, with a strong focus on modernizing applications to align with contemporary business needs. The company helps organizations reimagine their software ecosystems by integrating data, AI, and cloud technologies into their applications. Its approach prioritizes creating adaptable, future-ready platforms that enhance business agility and user engagement.
The consultancy’s modernization efforts center on designing tailored solutions that address the unique challenges of legacy systems. Thoughtworks combines technical expertise with a deep understanding of business goals to deliver applications that are scalable, secure, and optimized for modern infrastructures. Its services include rearchitecting systems, adopting cloud-native frameworks, and enhancing applications with data-driven insights to support long-term innovation.
Key Highlights:
- Integration of AI and data into application modernization
- Focus on creating adaptable, cloud-native platforms
- Expertise in designing user-centric digital products
Services:
- Application rearchitecture for cloud-native environments
- Data and AI integration for enhanced functionality
- Custom software development for modern systems
- Digital transformation strategy and execution
Contact Information:
- Website: www.thoughtworks.com
- E-mail: contact-us@thoughtworks.com
- Facebook: www.facebook.com/Thoughtworks
- Twitter: x.com/thoughtworks
- LinkedIn: www.linkedin.com/company/thoughtworks
- Instagram: www.instagram.com/thoughtworks
- Address: 200 E Randolph St 25th Floor Chicago, IL 60601-6501
- Phone: +1 312 373 1000
11. Publicis Sapient
Publicis Sapient is a digital business transformation company that specializes in helping organizations modernize their applications to thrive in dynamic digital environments. The company focuses on integrating strategy, technology, and data to reengineer legacy systems, enabling businesses to achieve agility and scalability. By leveraging AI-powered automation and cloud technologies, Publicis Sapient supports enterprises in updating their software to enhance performance, streamline operations, and deliver seamless customer experiences.
The company’s approach combines strategic consulting with technical execution, offering end-to-end solutions that transform outdated applications into modern, cloud-native platforms. Publicis Sapient emphasizes code refactoring and system integration to ensure applications align with current business needs and technological advancements. Its services are designed to accelerate innovation, allowing organizations to adapt quickly to market changes while maintaining robust, user-focused systems.
Key Highlights:
- Use of AI-driven automation for efficient application upgrades
- Focus on integrating data and technology for scalable solutions
- Strategic consulting to align modernization with business goals
Services:
- Application refactoring and modernization
- Cloud platform integration and migration
- Data-driven application optimization
- Digital transformation strategy and execution
Contact Information:
- Website: www.publicissapient.com
- Facebook: www.facebook.com/publicissapient
- LinkedIn: www.linkedin.com/company/publicissapient
- Instagram: www.instagram.com/publicissapient
- Address: 384 Northyards Blvd NW Suite 410 Atlanta, GA 30313
- Phone: +1-770-407-3400
12. Nagarro
Nagarro is a digital engineering firm that specializes in delivering innovative software solutions to modernize enterprise applications. The company focuses on creating agile, scalable systems that support businesses in transitioning from legacy platforms to modern architectures. By combining technical expertise with a client-centric approach, Nagarro helps organizations enhance their software’s performance and adaptability, ensuring alignment with evolving digital demands.
The firm’s modernization services emphasize the use of cloud technologies, microservices, and data analytics to transform applications. Nagarro’s process involves assessing existing systems, identifying inefficiencies, and implementing tailored solutions that improve functionality and user experience. Its collaborative methodology ensures that modernized applications are both technically robust and closely aligned with client objectives, enabling seamless integration with modern ecosystems.
Key Highlights:
- Emphasis on microservices for flexible application upgrades
- Use of data analytics to drive modernization decisions
- Client-centric approach for tailored software solutions
Services:
- Legacy system assessment and reengineering
- Cloud migration and application optimization
- Microservices architecture implementation
- Custom software development for modern platforms
Contact Information:
- Website: www.nagarro.com
- E-mail: info.us@nagarro.com
- Facebook: www.facebook.com/nagarroinc
- Twitter: x.com/nagarro
- LinkedIn: www.linkedin.com/company/nagarro
- Instagram: www.instagram.com/lifeatnagarro
- Address: 1155 Perimeter Center West, Suite 675 Atlanta, GA 30338, USA
- Phone: +1 678 694 1358
13. Luxoft
Luxoft is a technology services company that focuses on digital engineering, helping businesses modernize their applications to meet contemporary technological standards. The company specializes in developing sophisticated software solutions that enhance system performance and scalability, particularly in complex, data-intensive environments. By leveraging advanced tools and methodologies, Luxoft enables organizations to transform legacy applications into agile, future-ready systems that support business growth.
The company’s modernization efforts center on creating modular, cloud-compatible architectures that improve application efficiency and interoperability. Luxoft’s services include re-platforming legacy systems, integrating modern frameworks, and optimizing software for enhanced user experiences. Its expertise in industries like finance and automotive allows it to deliver tailored solutions that address specific technical and operational challenges during modernization.
Key Highlights:
- Expertise in modular and cloud-compatible architectures
- Focus on industry-specific modernization solutions
- Integration of modern frameworks for system scalability
Services:
- Application re-platforming for modern ecosystems
- Cloud integration and system optimization
- Custom software development for industry needs
- Technology consulting for application upgrades
Contact Information:
- Website: www.luxoft.com
- Facebook: www.facebook.com/Luxoft
- Twitter: x.com/Luxoft
- LinkedIn: www.linkedin.com/companies/luxoft
- Address: Bellevue, WA 98004, 11400 SE 8th Street, Bellevue, USA
- Phone: +1 425 452 1001
14. Brillio
Brillio is a digital technology consultancy that specializes in transforming enterprise applications to align with modern business requirements. The company focuses on delivering innovative solutions that enhance application performance, scalability, and user engagement. By integrating cloud, AI, and analytics, Brillio helps organizations modernize their legacy systems, ensuring they are agile and capable of supporting dynamic digital strategies.
The consultancy’s approach involves a comprehensive analysis of existing applications to identify opportunities for improvement, followed by the implementation of tailored modernization strategies. Brillio’s services include migrating applications to cloud platforms, optimizing system architectures, and enhancing functionality with data-driven insights. This enables businesses to achieve operational efficiency and maintain competitive, user-focused applications.
Key Highlights:
- Integration of AI and analytics for application enhancement
- Focus on cloud migration for scalable systems
- Comprehensive analysis for targeted modernization strategies
Services:
- Cloud migration and application rearchitecture
- Data-driven application optimization
- Custom software development for modern systems
- Digital transformation consulting and implementation
Contact Information:
- Website: www.brillio.com
- E-mail: info@brillio.com
- Facebook: www.facebook.com/BrillioGlobalOfficial
- Twitter: x.com/brillioglobal
- LinkedIn: www.linkedin.com/company/brillio
- Instagram: www.instagram.com/brillioglobal
- Address: 1450 Broadway, 30th Floor, Bryant Park, New York, NY 10018
15. Softura
Softura is a technology services provider that specializes in developing and modernizing applications to support digital transformation. The company focuses on creating flexible, high-performing software solutions that enable businesses to update their legacy systems for improved efficiency and scalability. By leveraging cloud technologies and custom development, Softura helps organizations align their applications with modern digital standards and business objectives.
The company’s modernization services emphasize a structured approach, starting with system assessments to identify inefficiencies and opportunities. Softura’s solutions include reengineering applications for cloud environments, optimizing performance, and integrating modern technologies to enhance functionality. Its collaborative process ensures that modernized applications meet specific client needs while maintaining reliability and user satisfaction.
Key Highlights:
- Structured approach to application assessment and upgrades
- Focus on cloud-based solutions for scalability
- Integration of modern technologies for enhanced functionality
Services:
- Legacy application assessment and modernization
- Cloud migration and system reengineering
- Custom application development for modern platforms
- Technology consulting for digital transformation
Contact Information:
- Website: www.softura.com
- Facebook: www.facebook.com/Softura
- Twitter: x.com/softura
- LinkedIn: www.linkedin.com/company/softura
- Address: 23570 Haggerty Road, Farmington Hills, Michigan 48335
- Phone: (248) 859-4987
Conclusion
Selecting a contractor for application modernization is a critical decision that can shape the success of a company’s digital transformation. The USA hosts a diverse array of companies specializing in software modernization, each offering unique approaches and solutions. These organizations provide comprehensive services, including the analysis of legacy systems, integration of modern technologies such as cloud platforms and artificial intelligence, and ensuring the reliability and scalability of applications.
A key factor in choosing a contractor is their ability to tailor solutions to the specific needs of a business. The companies highlighted in the article demonstrate deep expertise in building flexible, user-centric systems that support organizations’ long-term goals. It is essential to consider a contractor’s experience with cloud architectures, microservices, and data analytics, as these technologies are central to modern digital ecosystems.
