Struggling to turn your SaaS idea into a product?
Need a secure, scalable SaaS solution that grows with your business?
SaaS Application Development Services for UK Startups
As a SaaS application development services company, we help startups, agencies, and enterprises in the UK to design, develop, and scale powerful SaaS applications that are secure, cloud-ready, and built for growth.
From concept to launch, our SaaS team will design and build AI-powered SaaS applications that are tailored to business needs and requirements.
Serving UK startups, SMEs & enterprises
9+ years of SaaS development experience
Up to 50% cost savings compared to UK-based developers
Transparent communication, regular updates, and UK-friendly time zones
Top Rated Agency on Sortlist
We are Clutch Global winners for 2024!
Best Company to
work with by GoodFirms
Our SaaS Application Development Services
Custom SaaS Application Development
We build secure, reliable, and feature-rich SaaS applications tailored to your business goals and target audience. Whether you’re a startup validating an idea or an enterprise expanding digitally, we ensure your SaaS product is future-ready.
What’s Included
Multi-tenant architecture design
Subscription & billing system setup
Secure user authentication & role management
Cloud deployment
API-first development for scalability
SaaS Prototyping and Design
A great SaaS product starts with a clear vision. We help UK businesses turn ideas into interactive prototypes with user-centric UI/UX designs. This approach allows faster validation, early user feedback, and reduced development risks before investing in full-scale product development.
What’s Included
Wireframes & clickable prototypes
User flow mapping & journey design
UI/UX design aligned with SaaS best practices
MVP planning & scope definition
Early user testing & feedback collection
SaaS Application Modernization
Outdated systems can slow down business growth. Transform your legacy software into modern cloud-based solutions. We modernize legacy applications by re-engineering them into cloud-native SaaS platforms with better performance, stronger security, and seamless scalability.
What’s Included
Legacy system assessment and migration planning
Cloud infrastructure setup and optimization
Data migration with integrity preservation
User experience redesign
Integration with modern tools and services
SaaS Integration Services
Your SaaS product works best when it connects seamlessly with other tools. Our SaaS developers provide robust integration services to seamlessly connect your SaaS application with third-party services and existing software ecosystems
What’s Included
API development and integration
Custom connector development
Data synchronization solutions
Workflow automation between systems
Single sign-on implementation
SaaS Migration Services
We simplify the process by securely migrating your SaaS applications, data, and workflows to the cloud. Our team ensures minimal downtime, data integrity, and improved scalability, so your business can adopt SaaS without disruption.
What’s Included
Data migration with security protocols
Re-architecture for cloud environments
Minimal downtime transition planning
Compliance & regulatory checks (e.g. GDPR)
Post-migration testing & optimization
SaaS Maintenance and Support
Ensure your SaaS application remains secure, up-to-date, and performs optimally. We provide continuous monitoring, proactive bug fixes, security updates, and performance optimization to ensure your application runs reliably.
What’s Included
24/7 monitoring and technical support
Regular updates and security patches
Performance optimization
Feature enhancements and scaling
Compliance monitoring and updates
Looking to build a comprehensive SaaS app for your business?
Our SaaS Application Development Process
Discovery & Strategy
We begin with a product discovery phase by working closely with you to understand your vision, business goals, and customer needs. Our strategic approach ensures your SaaS product is aligned with market needs and future growth.
Deliverables
Business requirements analysis
Market research and competitor analysis
Technical architecture planning
Product roadmap creation
Cost & timeline estimation
Cloud infrastructure strategy
UX/UI Design
User experience is critical for a SaaS application. Our team focuses on creating intuitive navigation, responsive layouts, and seamless onboarding experiences to enhance usability and drive customer engagement.
Deliverables
User journey mapping & personas
Wireframing and clickable prototyping
UI/UX design mockups (desktop & mobile)
Visual design with brand alignment
Usability testing
Agile Development
We bring your SaaS product idea to life with an agile approach, breaking the project into iterative sprints for high-quality development. This approach allows us to deliver working features faster, gather feedback early, and adapt to evolving requirements.
Deliverables
Agile development sprints
Regular demos and feedback integration
Continuous integration/continuous deployment
Cloud-native codebase with version control
CI/CD pipeline setup for faster releases
Testing & Quality Assurance
Before launch, we carry out comprehensive testing to ensure the application is reliable and secure. Our team perform rigorous testing to ensure security, reliability, and compliance with UK standards.
Deliverables
Test plans & scripts
Comprehensive test reports (functional, security, performance)
Bug tracking & resolution logs
Deployment & Scaling
Once tested, we deploy your SaaS application on leading cloud platforms like AWS, Azure, or Google Cloud. We configure automated scaling so your app can handle growth and peak usage without disruptions.
Deliverables
Production-ready SaaS application
Cloud deployment setup (AWS, Azure, GCP)
Auto-scaling & load balancing configuration
Monitoring & logging tools configured
Backup & disaster recovery setup
Post-Launch Support
Your journey doesn’t end at launch; we’re here to support your growth. From monitoring to scaling, we ensure your SaaS product remains competitive with ongoing support, optimisation, and feature enhancements.
Deliverables
24/7 monitoring dashboard access
Regular updates, patches & enhancements
Monthly performance & security reports
User feedback implementation plan
Dedicated support & maintenance SLA
Why Choose RaftLabs for SaaS Application Development?
Industry experience
We have over 9 years of experience in building and scaling SaaS solutions. Our team specialises in handling complex requirements across various industries, utilising the latest technologies to deliver innovative solutions.
Agile Development
We use agile methodology with 2-week sprints to keep things flexible and efficient. You’ll have transparent communication and regular reporting throughout the project. We ensure rigorous quality assurance and testing for reliable results
Cross-Functional Team
When you work with us, you get a dedicated team including developers, designers, product managers, and AI specialists. We ensure the timely delivery of high-quality solutions that meet your needs
Customized Solutions
We take a tailored approach to suit your unique business needs. our team work closely with you to understand your challenges and goals. Our goal is to deliver results that drive your business forward.
Faster time to market
We help you move quickly from your SaaS idea to launch. Our streamlined process ensures you get a working SaaS MVP in weeks. So you can test your product with real users and gather feedback early.
Clear & Transparent Communication
We prioritise open and consistent communication throughout your project, keeping you informed at every step and readily available to answer your questions.
What Our Clients Say About Us
What distinguished RaftLabs from other providers was their fantastic ability to build real-time engagement-based products.
CEO & Co-Founder,People Supported Technologies
United Kingdom
zero to launch
in real-time audio discussions
Their ability to translate my vision into a fully functional MVP in just 8 weeks was outstanding. Highly recommend!
Founder at Intrinsic Sales
United Kingdom
launched the product's 1st version
in initial 6 months
RaftLabs elevated my ideas and brought them to life when everything seemed impossible.
CoFounder,Moka (acquired by Gojek) & Gula (acquired by Runchise)
Indonesia
to launch MVP version
generated during initial launch phase
Transform your ideas into scalable SaaS solutions
Turn your vision into reality with us by creating high-performing SaaS solution built on cutting-edge cloud technologies, tailored to your business needs.
SaaS Application Development Service Cost
We know building a SaaS app is a big step, and understanding the costs helps you plan with confidence. We’re here to simplify the process, starting with a clear look at the costs mentioned below.
GBP 8,000 - 15,000
Get started with a simple yet lovable SaaS Minimum Viable Product (MVP) to attract early adopters and investors.
This package is perfect if you want to test your idea with real users before making a bigger investment.
We focus on building a functional, lightweight version of your SaaS product that delivers value without unnecessary complexity.
We’ll help you launch fast with a functional version of your idea.
✅ Mobile or web app with AI capabilities
✅ Clearly defined project scope and timeline
✅ 1-2 core features with a simple design
⏳ Turnaround time: 6-8 weeks
GBP 15,000 - 45,000
Get a well-designed, scalable, full-featured SaaS product ready for market launch.
If you're looking for a robust, high-quality SaaS solution that’s user-friendly and ready to scale, this is the ideal package.
We build SaaS apps with smooth functionality, multiple features, and integrations that align with your business goals.
Ideal for businesses looking for a complete, polished solution.
✅ iOS, Android, and web app with AI development
✅ Tentatively defined scope with room for enhancements
✅ Multiple core features with custom design
✅ 3rd party integrations
⏳ Turnaround time: 12-14 weeks
Custom Quote
For visionary projects that require deep-tech innovation and cutting-edge design.
If your idea involves AI, AR, VR, or any groundbreaking technology, we’ll create a tailored solution.
This package is designed for companies that need a unique, highly specialized product with top-tier performance and immersive user experiences.
Perfect for AR, VR, AI, and next-gen experiences.
✅ Multi-platform apps with AI integration
✅ Custom-built for highly complex business needs
✅ Unique bottom-up designs with engaging animations
✅ AR, VR, AI, or any advanced tech solution
⏳Turnaround time: Can vary based on project requirements
Our SaaS Application Development Case Studies
Tech Stack We Use for SaaS Application Development
Industries We Offer Service
Healthcare
We develop HIPAA-compliant SaaS solutions for patient management, telehealth services, and healthcare analytics with strict security protocols and regulatory compliance.
MarTech
We develop SaaS solutions for social media marketing, influencer management, and marketing automation to enhance brand engagement and digital growth.
Media & Communication
We develop SaaS applications for content streaming, digital publishing, and communication platforms, enabling seamless media distribution and audience engagement.
Finance
We build fintech SaaS applications that deliver secure payment processing, lending platforms, and financial management tools that meet strict regulatory requirements.
Education
We develop educational SaaS solutions that include learning management systems, student assessment tools, and administrative platforms that enhance educational outcomes.
E-commerce
We build scalable e-commerce SaaS platforms with inventory management, order processing, and customer relationship features that grow with your business.
Your SaaS Development Journey Starts Here!
Get a Free Consultation
Fill out our contact form and schedule a free consultation call with our experts to discuss your SaaS idea.
Get Your Cost Estimate
Our experts will assess feasibility, provide insights, and share a cost & timeline estimate.
Build & Launch
Once finalized, our team gets to work, turning your vision into a fully functional SaaS product.
Want to discuss your SaaS development needs?
Let’s build a scalable, high-performing SaaS application that supports your growth. Tell us your needs, and we’ll help you make it happen.
Generate the master plan to fast track your product to launch
SaaS Application Development FAQs
How much does it cost to develop a SaaS application in the UK?
The cost of SaaS development in the UK can be high due to local developer rates. By outsourcing to our remote team based in India, UK businesses can save up to 50% while still receiving high-quality, secure, and scalable SaaS solutions.
Here are estimates for projects in the different categories:
Small projects (a web/ mobile app with 4-5 key features, not counting static content or sign in): UK£ 8000-15000
Middle-sized projects (a web/ mobile app with 6-9 key features, not counting static content or sign in): UK£ 15000-45000
Big projects (a web/ mobile with 10-15 key features, not counting static content or sign in): from UK£ 45K
Final costs depend on features, complexity, and cloud infrastructure. To get more precise information about costs, please set up a free consultation call.
Which industries do you serve in the UK?
We have experience building SaaS solutions for different UK industries, with our experienced development team and market analysis.
We have built and delivered SaaS applications for a wide range of industries, including media and communication, hospitality, healthcare, marketing tech, Loyalty, digital commerce, education, and fintech.
Our solutions are customized for different sectors while adhering to UK compliance standards.
How long does it take to build a SaaS application?
SaaS app development time varies based on the complexity of the product and the solution approach required. However, we help you break down your products into phases so that you can hit the market faster.
We generally go from zero to launch (this includes design, development, and testing) into a 12-14 week cycle. We’ve done this for several SaaS web/ mobile app platforms.
We use agile development to deliver core features quickly and scale further based on user feedback. Read our case studies.
Why should UK businesses outsource SaaS development to India?
Outsourcing SaaS development to our team allows UK businesses to reduce development costs significantly without compromising on quality.
You gain access to highly skilled SaaS developers, faster delivery cycles, and a development partner experienced in working with UK clients.
How do you handle time zone differences when working with UK companies?
We already have experience working with multiple UK clients, which helps us align smoothly with your business hours and expectations.
We ensure seamless collaboration through flexible working hours, overlapping UK business time slots, and regular progress meetings/ updates via Slack, Google Meet, or Asana. Our agile process keeps communication transparent and efficient.
How do you ensure data security for UK businesses?
We use enterprise-grade security practices, including SSL, data encryption, multi-factor authentication, and regular security audits. Additionally, we comply with GDPR and other UK-specific regulations to safeguard sensitive information.
