Software Outsourcing Company Delivering Scalable Digital Solutions to UK Businesses

UK businesses facing delays and high costs choose our award-winning UK-based software outsourcing services. With 10+ years in digital product outsourcing, our team of IT professionals delivers cost-effective AI-based web, mobile, and cloud-based software solutions for scalable digital product development.

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Why Companies Choose Us as Their Software Development Outsourcing Company

Square Root Solutions UK is a trusted AI-powered software development company and ISO 27001-certified software outsourcing company with a London-based delivery center. As an outsourced IT service provider and dedicated development company, we offer UK-based software outsourcing with 60–65% cost savings vs in-house hiring.

Our software engineering teams for hire deliver cost-effective software development in the UK with transparent sprints and weekly demo cycles. We’ve completed 250+ software projects, maintain 99.9% project uptime, and assign dedicated UK-based account managers. We support industries like Fintech and HealthTech with ongoing support. Hire a UK software outsourcing company trusted by 4.9/5 rated UK & EU clients.

Custom Software Development Outsourcing Services We Offer

We deliver end-to-end software development outsourcing services through UK-based full-cycle software teams, covering product development outsourcing in UK for mobile, web, SaaS, and APIs. With 250+ outsourced software projects delivered and a 95% repeat client rate, we offer SLA-backed engagement models, agile software project delivery, and scalable tech team outsourcing. As a company to develop enterprise software through local outsourcing in the UK, we bring cross-platform and cross-domain expertise to every build.

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End-to-End Product Engineering Outsourcing Services

We offer robust full-cycle product engineering outsourcing services with outsourced product lifecycle management and agile-driven product development. Get 100% sprint visibility and weekly demos, with MVP delivery in 6–8 weeks. Our UK-compliant product planning & IP protection and cross-functional teams (BA, QA, Dev, UI/UX) support MVP development for UK startup through outsourcing services, with 24/7 UK support for time-sensitive launches.

Dedicated Development Teams

Hire expert offshore development teams using the dedicated team model or staff augmentation. You can build your own software team in the UK with scalable tech teams for startups and enterprises, onboard within 5–7 business days, and ensure UK timezone overlap guaranteed. We offer NDA & IP protection agreements, 90%+ team retention rate, and flexible contracts with monthly rollouts. You can confidently hire a dedicated software development team in the UK.

Software Modernization & Refactoring

We deliver cutting-edge legacy system modernization and software refactoring services to transform old systems to cloud-native apps with 3x performance improvement post-refactor. Our zero downtime modernization strategy lets you reuse up to 60% of old codebase securely, with compliance maintained during transformation. All modernization workflows follow our ISO 27001-guided modernization workflows, ensuring scalable platform rebuilds with peace of mind.

SaaS & Platform Development Outsourcing Services

We offer business-oriented SaaS product outsourcing development services with a 99.99% platform uptime guarantee, having delivered 100+ SaaS platforms across 15+ industries. Our teams ensure 40% faster go-to-market for SaaS MVPs, multi-tenant architecture, and real-time analytics and usage dashboards. With scalable SaaS backend architecture and SaaS MVP development, clients confidently build our SaaS product with an outsourced UK-based development company.

Mobile App Outsourcing Services

Choose our highly customised iOS and Android outsourcing services with expert mobile-first UI/UX outsourcing. We’ve delivered 150+ mobile apps globally with 99% crash-free sessions, app builds optimized for UK networks, and cross-platform app development. Our team supports ongoing SLA-backed mobile support, ensures app store submission and compliance, and helps you outsource mobile app development to a trusted UK partner.

API Integration & Backend Engineering Outsourcing Services

We offer renowned API development outsourcing services including REST & GraphQL API design, and ERP/CRM/API integration outsourcing. Clients see 2x faster API response time and 99.99% backend system uptime. We’ve delivered 300+ backend APIs for UK clients using CI/CD-backed deployment pipelines. You can outsource software project to a UK-based team with full confidence in our backend engineering outsourcing services.

How is Our Process Different from Other Software Development Outsourcing Companies

We follow a structured software outsourcing process with a 5-stage model that includes discovery to deployment approach, agile delivery lifecycle, sprint-based outsourced product delivery, and transparent team allocation. Our process ensures 100% project transparency & visibility, with weekly demos with UK-based project leads and a zero vendor lock-in policy to support ongoing product development with a UK outsourcing provider using a continuous improvement model.

Discovery & Technical Consulting

We begin with a discovery session and technical audit to define project scope. This early step in our outsourced development workflows ensures aligned goals, realistic timelines, and project fit. This phase is critical to our software vendor onboarding and discovery to deployment approach.

Resource Planning & Team Setup

We use transparent team allocation to assign experts across roles. Each project has a dedicated UK-facing lead. Planning supports fast ramp-up, risk reduction, and accurate estimations, making outsourced development workflows reliable for startups and enterprises outsourcing software with us.

Agile Development with Sprint Reviews

We deliver in two-week sprints using an iterative development methodology. Every sprint ends with demos and feedback loops. This agile delivery lifecycle and sprint-based outsourced product delivery structure ensures high-speed iteration, change response, and long-term product scaling via outsourcing.

Testing, Deployment & Documentation

Each release includes code quality assurance in outsourcing, functional testing, performance audits, and clean documentation. We deploy with CI/CD pipelines for fast, stable releases and maintain audit-ready technical files. Final delivery marks stage four of our 5-stage outsourcing process.

Post-Launch Support & Iterations

We support scaling through updates, monitoring, and issue handling. With our continuous improvement model, teams handle changes, feature expansion, and SLA-backed support. This step helps clients support ongoing product development with a UK outsourcing provider without long-term vendor dependency.

Our Technology Expertise Delivering Scalable and Secure Outsourced Solutions

We offer software development outsourcing services using a software outsourcing tech stack built on React, Node.js, AWS, Azure, and GCP. Our full-stack development expertise supports API-first architecture, microservices-based applications, DevSecOps-integrated delivery, secure backend systems, and SOC 2 & GDPR-aligned infrastructure with 99.9% uptime performance guarantee.