Unlock growth with custom SaaS development services that deliver secure cloud-based software products. Our bespoke SaaS development agency helps UK businesses build custom SaaS apps with 10 years of experience in scalable solutions.
Square Root Solutions is a Leading SaaS development company recognised among UK custom SaaS development agencies for delivering secure, scalable platforms. Our award-winning SaaS development teams include 100+ skilled professionals who have launched over 100 SaaS platforms. With ISO-certified development processes and a 4.9/5 average client rating in the UK, we help businesses of every size achieve lasting results.
From SaaS specialists Britain to Enterprise SaaS experts, our local teams in London offer dedicated UK-based support. If you are looking for custom SaaS platform development for your business, hire top-rated SaaS developers trusted nationwide.
We deliver full-cycle SaaS development and custom SaaS development services UK through modular offerings, agile delivery frameworks, and secure encryption. You get end-to-end development and support, including 24/7 monitoring for peace of mind.
Our SaaS development agency offers SaaS product strategy, market fit analysis, and custom roadmaps aligned with business goals. Dedicated UK-based local consultants have delivered 100+ SaaS strategies successfully to growing companies.
As a SaaS product development agency, we deliver custom SaaS application builds with end-to-end SaaS development, 99% uptime architecture, and weekly sprint reviews. All products scale to 100,000+ users easily.
We provide third-party API integration, RESTful services, and SaaS API integration UK. Our team has a 99% success rate and supports 50+ APIs, including fully documented API libraries.
Our cloud hosting solutions cover AWS and Azure deployments with 99.99% uptime SLA. We include auto-scaling, GDPR-compliant UK data centres, and real-time monitoring dashboards to keep systems stable.
We create subscription management systems, billing modules, and SaaS recurring payment systems. Solutions support Stripe, PayPal, GoCardless, real-time revenue reporting, and PCI DSS Level 1 security compliance.
Our SaaS software development firm offers ongoing SaaS support, bug fixing, updates, and monthly security updates. Rely on 24/7 UK-based support and 99% SLA compliance for smooth operations.
Our SaaS platforms include must-have SaaS app features and advanced SaaS functionalities like role- based access controls and real-time reporting dashboards. Get PCI DSS-compliant payment systems, auto-scaling infrastructure, built-in analytics, and 99.9% uptime guarantees for total reliability and growth.
Subscription management
Usage analytics dashboards
User authentication systems
API access controls
Multi-tenant data isolation
Billing and invoicing modules
We follow a clear phase-based development approach to deliver your platform using a full-cycle SaaS development process. Our SaaS build process keeps everything transparent, with an average project duration: 12–24 weeks for most platforms.
We gather requirements and plan the SaaS product lifecycle with step-by-step SaaS development plans and clear delivery milestones.
Our team creates detailed wireframes, runs user tests, and confirms designs in secure staging environments before coding begins.
We use agile SaaS project delivery to build in short sprints. You receive weekly progress reporting to track results.
Every release includes full testing, SaaS implementation methodology, and reviews for data security and regulations.
We handle deployment, provide SaaS go-live and support, and assign a dedicated project manager to guide you.
After launch, we improve your app with updates, performance tuning, and long-term maintenance plans.
Our custom SaaS product development agency helps you build secure, scalable software that drives growth. As UK SaaS technology partners and trusted custom SaaS advisors, we bring ten years of proven results. Our SaaS innovation leaders and cloud SaaS experts have launched platforms for 500,000+ end users. Clients rate us 4.9/5 across SaaS projects, with a 98% retention rate.
You get London-based account managers, 24/7 support availability, and flexible engagement models. Choose us to support the development of a SaaS program and see why we are leading custom SaaS developers UK trusted by businesses across Britain.
The cost of SaaS development in the UK typically ranges from £40,000 to £250,000. The total depends on project complexity, team size, and features. Smaller MVPs may cost around £40,000–£70,000, while full-scale platforms with advanced integrations can exceed £200,000.
The timeline for SaaS product development ranges from 3 to 12 months. A simple MVP usually takes 3–5 months, including planning, design, and coding. Full-featured SaaS platforms with complex integrations can require 9–12 months to launch, depending on team size and project scope.
SaaS app maintenance after launch includes regular updates, bug fixes, performance monitoring, and security patches. Development teams often offer ongoing support packages to ensure stability and compliance. Maintenance typically requires 10–20 hours per month, depending on app complexity and user volume.
Development teams work with both startups and enterprises. Startups often need MVP development, rapid prototyping, and scalability planning. Enterprises typically require complex integrations, compliance, and high-availability infrastructure. Services are tailored to match the size, goals, and budget of each client.
Teams ensure data security and GDPR compliance by encrypting data at rest and in transit, enforcing access controls, and conducting regular security audits. Compliance measures include data processing agreements, user consent management, and breach notification protocols to meet regulatory standards.
Development teams offer SaaS MVP development to validate ideas quickly. MVP services include core feature design, rapid prototyping, and deployment within 3–5 months. The process helps startups launch faster, gather user feedback, and reduce risk before scaling to a full product.
Teams can migrate legacy software to SaaS by re-architecting the codebase, setting up cloud infrastructure, and transferring data securely. The migration process typically takes 4–8 months, depending on system complexity. This approach improves scalability, accessibility, and long-term maintenance efficiency.
Teams routinely sign NDAs (Non-Disclosure Agreements) to protect client confidentiality. NDAs ensure that project details, proprietary information, and sensitive data remain secure. Signing an NDA is a standard part of the engagement process before any development work begins.