SaaS development has become a critical service for businesses looking to build flexible, cloud-based applications. In the UK, several companies specialize in delivering end-to-end SaaS solutions, from initial consulting to post-launch support. This article highlights key players in the UK SaaS development space and outlines the services they offer.
1. A-Listware
We provide IT outsourcing services, specialising in building remote development teams and delivering full-cycle software development. Operating from offices in the UK with development centers in Eastern Europe, we work with clients to deliver scalable software solutions across different sectors. Our teams are integrated into the client’s workflow and collaborate closely through each project stage, ensuring alignment with business goals.
We offer a wide set of services including SaaS development, web and mobile applications, and IT consulting. Our approach is focused on maintaining clear communication, using proven development practices, and ensuring consistent support. Clients work with our company for both long-term development partnerships and short-term project needs, depending on their internal capacity and technical requirements.
Key Highlights:
- Provides remote software development teams
- Maintains delivery hubs across Ukraine, Poland, and Romania
- Works with both startups and established companies
- Emphasises clear communication and practical development workflows
- Offers flexibility in project engagement and staffing models
Services:
- Software and Web Development
- SaaS Solutions
- Mobile App Development
- UI/UX Design
- IT Outsourcing
- IT Consulting
- Cybersecurity Services
- Data Analytics
- Application Services
- Managed IT Services
- Digital Transformation Consulting
Contacts:
- Website: a-listware.com
- Email: info@a-listware.com
- LinkedIn: www.linkedin.com/company/a-listware/mycompany
- Facebook: www.facebook.com/alistware
- Address: North Bergen, NJ 07047, USA
- Phone: +1 (888) 337 93 73
2. BigCommerce
BigCommerce provides a SaaS-based e-commerce platform designed for businesses looking to build and manage online storefronts. Their platform supports both B2C and D2C models and offers tools for product management, checkout, payment processing, and marketing. With its cloud-native and headless architecture, BigCommerce allows businesses to customize the front end while maintaining stability and performance in the back end. The platform supports multi-brand management through a unified dashboard and offers compatibility with a wide range of third-party applications.
The company focuses on building scalable e-commerce environments with built-in features that help reduce development time. Its microservices-based setup supports international operations and simplifies platform updates through automatic software upgrades. BigCommerce also provides tools for analytics and SEO, enabling businesses to track performance and improve visibility.
Key Highlights:
- Cloud-native SaaS e-commerce platform
- Headless architecture with flexible front-end control
- Supports multi-storefront and multi-brand setups
- Built-in SEO, marketing, and analytics tools
- API-first approach for integrations
Services:
- Digital storefront design
- Product management
- Checkout and payment processing
- Shipping and fulfillment
- SEO and marketing tools
- Analytics and reporting
- Third-party app integrations
Contacts:
- Website: www.bigcommerce.com
- Twitter: x.com/Bigcommerce
- Facebook: www.facebook.com/Bigcommerce
- LinkedIn: www.linkedin.com/company/bigcommerce
- Instagram: www.instagram.com/bigcommerce
- Phone: +1-888-248-9325
3. Bytes Technolab
Bytes Technolab offers SaaS development services in the UK with a focus on helping businesses design, build, and maintain scalable platforms. Their team works with companies at all stages, from early planning to post-launch optimization. They provide features such as role-based access, multi-tenancy, real-time analytics, and third-party integrations. Their approach is structured around modular development and a connected ecosystem to enable flexibility and fast iterations.
The company emphasizes secure architecture and performance by incorporating auto-scaling, high availability, and regulatory compliance into their services. Their team handles the full development cycle, including discovery, UI/UX design, cloud setup, and continuous optimization. Bytes Technolab works across sectors, supporting SaaS product rollouts that match business goals and changing market needs.
Key Highlights:
- Custom SaaS development with a modular approach
- Focus on scalability, security, and performance
- Real-time data analytics and reporting
- Support for multi-tenancy and role-based access
- Ongoing optimization and cloud deployment
Services:
- SaaS Product Discovery and Ideation
- UI/UX Design and Prototyping
- Custom SaaS Development
- Cloud Deployment and Hosting
- Third-Party Integrations
- Subscription Management and Billing
- Security and Compliance Implementation
- Continuous Support and Optimization
Contacts:
- Website: www.bytestechnolab.com
- E-mail: hello@bytestechnolab.com
- Facebook: www.facebook.com/bytestechnolabofficial
- Twitter: x.com/btechnolab
- LinkedIn: www.linkedin.com/company/bytes-technolab
- Instagram: www.instagram.com/bytestechnolabofficial
- Address: Unit 3, 5 Knights Close, Leicester, LE4 8EW, United Kingdom
- Phone: + 44 792 0047249
4. Cloudflare
Cloudflare provides infrastructure tools that help SaaS providers deliver more secure and efficient digital services through custom domain configurations. Their Cloudflare for SaaS solution enables providers to extend the benefits of Cloudflare’s global network to their customers’ custom domains. By routing traffic from custom hostnames to a specified origin, providers can offer improved security, faster performance, and consistent availability. This is particularly useful for SaaS platforms supporting either subdomains or full vanity domains used by end clients.
The system is adaptable, supporting different deployment configurations including fallback origins, apex domain proxying, and Bring Your Own IP (BYOIP) setups. This flexibility allows providers to choose the best method for delivering services based on customer needs and technical constraints. Cloudflare for SaaS helps centralize control while still maintaining a good user experience for clients accessing services through personalized domains.
Key Highlights:
- Supports use of custom or vanity domains on SaaS platforms
- Centralizes security and performance enhancements via Cloudflare’s network
- Offers fallback origin, apex proxying, and BYOIP configurations
- Integrates with traffic analytics for better visibility
- Available as part of standard and Enterprise plan options
Services:
- Custom domain support for SaaS providers
- TLS encryption and DNS configuration
- Traffic routing to defined origin servers
- Integration with Cloudflare’s global content delivery and protection tools
- Performance optimization for customer-facing applications
Contacts:
- Website: www.cloudflare.com
- Facebook: www.facebook.com/Cloudflare
- LinkedIn: www.linkedin.com/company/cloudflare
- Twitter: x.com/Cloudflare
- Instagram: www.instagram.com/cloudflare
- Phone: 020 8090 009
5. Code23
Code23 is a UK-based SaaS development agency offering full-cycle services from product discovery to ongoing support. They specialize in building both single and multi-tenant platforms tailored to unique business needs. Their development stack includes modern technologies like React, Vue.js, and Node.js, and the team focuses on creating user-friendly platforms through thoughtful UX and UI design. Code23 works with startups and established businesses to deliver scalable, secure solutions that align with specific goals.
Their process includes early-stage planning, design prototyping, custom software development, and strategic scaling. Code23 also supports integration with third-party services, cloud deployment, and process automation. The team helps clients manage growth through performance monitoring and roadmap planning, ensuring their SaaS products can evolve with user demand and market shifts.
Key Highlights:
- Custom SaaS development for startups and established businesses
- Full-stack development with modern tech frameworks
- UX-focused design and prototyping
- Supports product discovery and MVP launches
- Ongoing development and optimization services
Services:
- SaaS Product Discovery
- UX/UI Design and Prototyping
- Custom SaaS Application Development
- Web App Development
- API Integrations
- Payment and Subscription Solutions
- Process Automation
- Strategic Roadmap Planning
- Ongoing Support and Scaling
Contacts:
- Website: code23.com
- E-mail: hello@code23.com
- LinkedIn: www.linkedin.com/company/code23.com
- Instagram: www.instagram.com/twenty_three_agency
- Phone: +44 (0) 118 995 2852
6. Commercetools
Commercetools offers a composable commerce platform designed using cloud-native SaaS architecture. The platform is structured around microservices, API-first design, and a multi-tenant model, allowing businesses to build flexible, scalable ecommerce experiences. This setup enables companies to deploy independent services such as product catalogs, order management, and promotions, which can be updated or scaled without affecting the rest of the system.
The cloud-native foundation means Commercetools leverages automatic scaling, global distribution, and continuous updates through major cloud providers like AWS and Google Cloud. These features help companies manage fluctuating traffic and demand, reduce infrastructure maintenance costs, and meet performance and compliance requirements across regions. The goal is to provide an adaptable infrastructure that aligns with evolving digital commerce needs.
Key Highlights:
- Built using cloud-native SaaS architecture
- Modular and API-first platform for commerce operations
- Scales automatically to handle peak loads and global traffic
- Designed to support both B2B and B2C use cases
- Integrates with major cloud providers for global reach
Services:
- Composable commerce platform with independent service components
- API-based integration with third-party systems
- Multi-tenant SaaS delivery with shared infrastructure
- Elastic scaling and load balancing for traffic management
- Support for continuous deployment and DevOps workflows
Contacts:
- Website: commercetools.com
- LinkedIn: www.linkedin.com/company/commercetools
- Instagram: www.instagram.com/lifeatcommercetools
- Twitter: x.com/commercetools
7. Eastern Peak
Eastern Peak provides SaaS development services aimed at helping organizations transition to or create cloud-based software systems. Their work includes guiding clients through the entire SaaS development cycle, starting from gathering functional requirements to launching the final product. They emphasize aligning technical development with user needs, ensuring secure infrastructure, and deploying scalable solutions. Their approach includes defining monetization models, choosing appropriate cloud service providers, and ensuring integration with existing enterprise tools.
The company also manages ongoing technical and marketing support after deployment. Their team is involved in UI/UX design, development, testing, and continuous performance monitoring. Eastern Peak has worked on various SaaS projects across industries, including event management platforms, learning management systems, and big data solutions for the foodservice industry. They focus on building solutions that are stable, easy to scale, and compatible with different cloud environments.
Key Highlights:
- Covers end-to-end SaaS development, from planning to post-launch support
- Offers product discovery, UX/UI design, coding, testing, and maintenance
- Specializes in building secure and scalable cloud-based applications
- Supports integration with third-party APIs and enterprise tools
- Develops systems for industries such as education, events, and foodservice
Services:
- SaaS platform development
- Cloud migration and infrastructure setup
- UI/UX design and prototyping
- QA testing and performance optimization
- Post-launch technical and marketing support
Contacts:
- Website: easternpeak.com
- E-mail: info@easternpeak.com
- Facebook: www.facebook.com/EasternPeakSoftware
- Twitter: x.com/eastern_peak
- Instagram: www.instagram.com/eastern_peak
- LinkedIn: www.linkedin.com/company/2764777
- Phone: +972 (9) 374-0318
8. Klaviyo
Klaviyo offers a SaaS platform focused on helping businesses use their customer data for personalized marketing across multiple channels. Their system integrates with over 300 third-party tools and allows businesses to collect, store, and analyze first-party data. The platform centralizes email, SMS, and push messaging in one interface to help businesses coordinate their marketing efforts and improve customer engagement.
The platform provides features such as customer segmentation, analytics, and predictive tools, which support targeting and campaign optimization. Klaviyo emphasizes giving users access to unified data and actionable insights without requiring extensive technical expertise. Its use case spans marketing, customer support, and data analysis, supporting organizations aiming to create coordinated and data-driven customer experiences.
Key Highlights:
- Centralized platform for email, SMS, and push marketing
- Integrates with a wide range of ecommerce and CRM tools
- Designed for use by non-technical users
- Focus on first-party data usage and segmentation
- Offers predictive analytics and customer insights
Services:
- Customer data platform with advanced segmentation
- Multi-channel marketing campaign management
- Integration with ecommerce and CRM platforms
- Real-time analytics and reporting
- Support for personalized customer journeys across channels
Contacts:
- Website: www.klaviyo.com
- Facebook: www.facebook.com/Klaviyo
- Twitter: x.com/klaviyo
- LinkedIn: www.linkedin.com/company/klaviyo
- Instagram: www.instagram.com/klaviyo
9. Navan
Navan develops a business-focused SaaS platform that integrates travel and expense management. Originally focused on corporate travel, the company expanded its offering during the COVID-19 period to include broader spend management capabilities. Their platform uses AI-powered automation to streamline expense processing, eliminating the need for manual reporting and reconciliation. It also integrates with major corporate card providers, allowing clients to use existing financial tools alongside Navan’s expense features.
The company uses a phased approach, offering basic features for free to small teams and expanding functionality through upselling to enterprise users. Their system includes virtual assistants that enforce policies and analyze spend in real time. Navan’s platform is used by businesses looking to manage corporate travel, monitor expenses, and apply automated controls without replacing existing financial systems.
Key Highlights:
- Combines travel booking and expense tracking in a single platform
- Offers AI-based automation for expense reporting and policy compliance
- Integrates with Visa, Mastercard, and existing corporate card systems
- Provides flexible pricing for companies of different sizes
- Supports a land-and-expand approach for adoption and scaling
Services:
- Corporate travel management
- Expense automation and reconciliation
- Virtual assistant for real-time spend monitoring
- Integration with card networks and financial platforms
- Scalable pricing plans for small and large businesses
Contacts:
- Website: navan.com
- Twitter: x.com/Navan
- LinkedIn: www.linkedin.com/company/navan
- Facebook: www.facebook.com/GetNavan
- Instagram: www.instagram.com/getnavan
- Address: 81–87 High Holborn 6th Floor London WC1V 6DF United Kingdom
10. Personio
Personio offers web-based HR software tailored to the needs of small and medium-sized enterprises. Their platform supports a variety of core HR functions, such as onboarding, time tracking, payroll, and employee performance management. Personio’s solution is designed to centralize and automate everyday HR processes, helping businesses manage their workforce more efficiently. Their software also includes features for document management, e-signatures, and workflow automation.
Personio’s client base spans industries including non-profits, retail, tech, and manufacturing. The company provides tools that support data-driven HR decisions, including analytics and reporting functions. Their system is structured to simplify administrative tasks while keeping all employee-related information organized and accessible.
Key Highlights:
- Focused on HR management for small and medium-sized organizations
- Provides tools for managing employees from recruitment to offboarding
- Offers cloud-based access and digital document workflows
- Designed to streamline HR operations and reduce manual tasks
- Serves various industries, including non-profit and manufacturing
Services:
- Employee onboarding and offboarding
- Time tracking and absence management
- HR analytics and reporting
- Workflow automation and digital documentation
- Integrated payroll and compliance features
Contacts:
- Website: www.personio.com
- E-mail: sales@personio.com
- LinkedIn: www.linkedin.com/company/personio
- Facebook: www.facebook.com/personiohr
- Instagram: www.instagram.com/personio_hr
11. SailPoint
SailPoint develops identity-focused SaaS solutions aimed at managing user access and security within enterprise environments. Their SaaS Management platform allows organizations to monitor access rights, track SaaS application usage, and address risks related to shadow IT and excessive permissions. The software integrates with a wide range of applications and updates data continuously to give users real-time insights into system use and compliance.
The company focuses on providing centralized control over SaaS applications while supporting integrations with single sign-on providers like Google, Azure, and Okta. Their platform also uses AI to detect security threats and improve identity governance. SailPoint’s solutions are used by organizations aiming to manage access across complex digital environments securely.
Key Highlights:
- Offers centralized SaaS application governance and security
- Helps organizations identify and manage hidden access risks
- Integrates with major SSO providers and cloud systems
- Uses AI to detect and respond to identity-based threats
- Supports enterprise-scale security and access control
Services:
- SaaS application management
- Identity governance and compliance monitoring
- Integration with cloud-based and SSO platforms
- Access visibility and permission auditing
- AI-powered threat detection and analysis
Contacts:
- Website: www.sailpoint.com
- LinkedIn: www.linkedin.com/company/sailpoint-technologies
- Twitter: x.com/SailPoint
- Facebook: www.facebook.com/SailPoint
- Instagram: www.instagram.com/lifeatsailpoint
- Phone: +44 20 3314 4377
12. ServiceNow
ServiceNow provides cloud-based software solutions aimed at automating business processes and managing digital workflows. Their focus is on delivering structured systems that support enterprise service management, including software asset and SaaS license management. ServiceNow offers an integrated approach for organisations to manage software licenses, optimise usage, reduce redundancy, and gain visibility into SaaS expenditure. The platform helps users manage their application environment through dashboards, integration with identity providers, and financial data analysis.
Their services extend beyond licensing to include comprehensive consulting and implementation offerings. ServiceNow supports organisations with platform design, technical services, migration strategies, and process improvement. The approach typically includes a mix of technical delivery, agile methodologies, and reusable frameworks. The goal is to streamline enterprise IT and service operations while maintaining a simplified user experience and operational efficiency across departments.
Key Highlights:
- Cloud-based SaaS platform focused on enterprise service management
- Offers governance for SaaS portfolios and software license usage
- Integration with identity and access tools like Okta and Azure AD
- Combines technology with change management and consultancy
- Emphasis on process simplification and workflow automation
Services:
- SaaS License Management
- ServiceNow Platform Implementation
- Process Consulting and Strategy
- Technical Architecture and Development
- Migration to ServiceNow
- Application Enhancements
- Custom Business Application Development
- Reporting and Data Analysis
- Managed Projects and Resource Augmentation
Contacts:
- Website: www.servicenow.com
- Twitter: x.com/ServiceNowUKI
- LinkedIn: www.linkedin.com/company/servicenow
- Instagram: www.instagram.com/servicenow
- Facebook: www.facebook.com/servicenow
- Address: Headquarters 2225 Lawson Lane Santa Clara, CA 95054
13. Tiksom
Tiksom is a UK-based provider of SaaS development services, offering a full cycle of support from initial planning to long-term maintenance. Their approach starts with research and discovery, where consultants assess technical and market conditions to define clear goals. From there, the company designs and prototypes the system, working toward a tailored SaaS solution that fits the client’s business requirements and user expectations.
Their technical work includes custom software development, third-party tool integration, and modernisation of legacy systems. Tiksom also supports cloud migration and ongoing software maintenance. The company follows a structured process, moving through design, development, testing, deployment, and support. This method helps clients navigate the technical aspects of launching a SaaS product while maintaining functionality and long-term stability.
Key Highlights:
- Full-cycle SaaS development services
- Strong focus on research and planning
- Integration with third-party platforms
- Support for system modernisation and migration
- Ongoing technical maintenance and troubleshooting
Services:
- SaaS Software Consultation
- Custom SaaS Development
- Third-Party Integration
- System Migration and Modernisation
Prototyping and UI Design - Software Testing and QA
- SaaS Deployment
- Maintenance and Support
Contacts:
- Website: www.tiksom.co.uk
- Facebook: www.facebook.com/tiksomlimited
- Instagram: www.instagram.com/tiksomlimited
- Twitter: x.com/tiksomlimited
- LinkedIn: www.linkedin.com/company/tiksomlimited
- Address: 651 Mauldeth Road West Chorlton, Manchester, England, M21 7SA
- Phone: +44 (0) 161 604 9631
14. Vention
Vention delivers SaaS development services with a focus on supporting businesses across various stages, from early idea validation to post-launch support. The company builds scalable, cloud-based platforms that align with evolving user expectations and business needs. Their process includes technical planning, UI/UX design, software development, testing, and deployment. Vention also integrates emerging technologies and assists with regulatory compliance when required.
They cater to a wide range of clients, including startups, small businesses, and enterprises. Depending on the business type, Vention adapts its development strategy to support quick iterations, lower time to market, or long-term scalability. The company also provides cloud migration services and API development for seamless integration with external systems. Their support extends into post-launch monitoring and updates to help maintain performance and stability over time.
Key Highlights:
- Experience across startups, SMBs, and large enterprises
- Services tailored to each business type and project scale
- Emphasis on product scalability and performance
- Integration of advanced technologies (AI/ML, IoT, etc.)
- Ongoing support and compliance consulting
Services:
- Product Ideation and Market Validation
- SaaS Strategy and Consulting
- UI/UX Design
- Custom SaaS Application Development
- Integration of Advanced Technologies
- QA and Testing Services
- Regulatory Compliance Assistance
- Support and Product Maintenance
- API Development
- Cloud Infrastructure Migration
Contacts:
- Website: ventionteams.com
- E-mail: contact@ventionteams.com
- LinkedIn: www.linkedin.com/company/ventionteams
- Instagram: www.instagram.com/ventionteams
- Twitter: x.com/ventionteams
- Address: 30 Churchill Place London E14 5RE, UK
- Phone: +44 207 117 2842
15. Webflow
Webflow provides a platform that connects businesses with freelance professionals and agencies offering web design, development, and SaaS-related services. They support a wide range of technical capabilities including frontend and backend development, content management systems, and UI/UX design. Through a network of certified partners, businesses can explore service providers by skill set, project history, or location, and directly engage with them to start their projects.
The platform acts as a bridge for hiring freelance developers or teams with experience in SaaS, helping users filter their choices by technical expertise and geographical location within the UK, such as Manchester, Bournemouth, and Glasgow. Their approach encourages clients to browse professional profiles, make informed decisions, and initiate collaborations with partners suited to their specific SaaS development or support needs.
Key Highlights:
- Offers access to freelance professionals and certified agencies
- Covers a wide range of web and SaaS-related skills
- Supports clients in selecting and hiring based on profiles and project requirements
- Provides access to specialists across UK cities
- Facilitates direct communication between businesses and service providers
Services:
- Web Design and Development
- UI/UX Design
- CMS Integration
- Frontend Technologies (HTML5, CSS, JavaScript)
- Backend Development (PHP, WordPress)
- SaaS Development Support
- React and JavaScript Frameworks
- Figma to Webflow Conversions
- SEO and Branding Support
- Logo and Graphic Design
Contacts:
- Website: webflow.com
- Twitter: x.com/webflow
- Facebook: www.facebook.com/webflow
- Instagram: www.instagram.com/webflow
- LinkedIn: www.linkedin.com/company/webflow-inc-
16. Workiva
Workiva is a SaaS company that develops cloud-based platforms aimed at simplifying reporting, compliance, and data integration across departments like finance, audit, risk, and legal. Their software centralises structured and unstructured data into one environment, enabling teams to update and manage financial and ESG-related content with greater consistency and control. The platform automates documentation and facilitates collaboration, making it easier to maintain compliance with regulations and frameworks in both the US and Europe.
Originally focused on SEC reporting, Workiva has expanded its features to support a wide range of use cases including sustainability reporting, internal board reporting, and Sarbanes-Oxley documentation. Their platform supports integrations with XBRL and ESEF standards and allows companies to prepare documents for submission to various regulatory bodies. European institutions also use their platform to meet digital reporting mandates under ESMA.
Key Highlights:
- Cloud-based platform for financial and compliance reporting
- Supports collaboration across finance, legal, risk, and ESG teams
- Offers automation and linking to reduce reporting errors
- Complies with global and European regulatory standards
- Partnered with legal firms to simplify IPO document preparation
Services:
- Financial Reporting Automation
- ESG and Sustainability Reporting
- Governance, Risk, and Compliance (GRC)
- SEC and ESEF Filing
- Internal Audit and Board Reports
- Legal and IPO Documentation
- Sarbanes–Oxley Compliance
- Municipal and Public Sector Reporting
- Data Integration and Management
- Platform Support for Global Frameworks
Contacts:
- Website: www.workiva.com
- LinkedIn: www.linkedin.com/company/workiva
- Instagram: www.instagram.com/workiva
- Facebook: www.facebook.com/workiva
- Twitter: x.com/workiva
- Address: 101 New Cavendish Street London W1W 6XH
- Phone: +44 203 868 0550
Conclusion
SaaS development services in the UK continue to evolve, supported by a mix of global platforms, specialised providers, and flexible outsourcing models. Companies like Webflow, Workiva, and A-Listware illustrate the range of services available, from hiring individual developers and design teams to deploying complete cloud-based reporting solutions or building remote development teams. Each organisation contributes differently to the SaaS ecosystem, offering tools, support, and capabilities that address both technical and compliance-driven needs.
Whether businesses are looking to scale a product, improve internal reporting, or extend their development capacity, the UK market offers a diverse selection of partners and service models. This flexibility allows companies to align SaaS projects with their specific goals, timelines, and regulatory environments, ensuring that technical solutions are built to meet real-world demands.
