Legacy apps slowing down your business? Our software modernisation services help UK enterprises accelerate application modernization, implement 3x faster UI/UX upgrades, and transform legacy systems over 10+ years old into future-ready platforms with full lifecycle management.
Square Root Solutions UK is a trusted software upgrade company serving businesses across the UK with end-to-end modernisation strategies. As a leading application modernisation firm, we help you shift from outdated legacy tools to agile, secure, and scalable platforms. With 100+ legacy systems transformed and a 98% project success rate in modernization, we’re known as a technology transformation provider for growing UK enterprises.
Backed by ISO 27001 & GDPR compliant software services, we’re the legacy software solution partner rated 4.9/5 by UK-based reviews that ensures lasting impact. Partner with Square Root Solutions UK top Software development London and future-proof your systems, get your upgrade roadmap today.
We offer full-scale software modernisation services for UK businesses seeking to upgrade outdated systems. From legacy system overhaul and application re-architecture to custom software refactoring and digital system transformation, our experts help modernise and future-proof your enterprise stack.
Our services include cloud-readiness evaluation, business logic reengineering, and modern UI implemented in <30 days. Clients report up to 70% performance improvement post-modernisation, seamless third-party system integration, and cost savings of up to 40% with phased modernisation.
We conduct a complete legacy software audit involving application architecture review, system dependency mapping, and technical debt analysis. Expect 100% audit transparency, a 3-day full system diagnostics, and an actionable roadmap within 7 business days. We help evaluate outdated software, run infrastructure and code assessment, and identify performance bottlenecks to produce a full modernisation readiness report.
Our code optimisation services improve structure and performance via source code restructuring, codebase cleanup, and modularisation of software. These updates improve maintainability and scalability, offering up to 60% faster app loading speed and 40% fewer bugs after refactoring. Clients benefit from 100% maintainable and version-controlled code.
We manage end-to-end cloud infrastructure migration to platforms like Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform (GCP). Our team handles on-premise to cloud transition and shifts legacy to cloud architecture with zero data loss guarantee during migration, 99.9% SLA uptime post migration, and 30% operational cost reduction with cloud adoption.
We offer application redevelopment through advanced software reengineering services, including architecture redesign, tech stack revamp, and rebuild legacy applications from scratch. Our process delivers 3x faster user flows after reengineering and a 95% UX satisfaction rate from clients, with MVPs typically ready in 6–8 weeks.
Square Root Solutions is a UK-based modernisation firm helping businesses upgrade and streamline outdated software systems. As a trusted IT consulting partner UK enterprises rely on, we offer agile and compliant digital transformations tailored to your infrastructure. Our team brings 10+ years of modernisation experience, with local expertise in legacy system upgrades and enterprise-scale delivery.
We’re known for ISO-certified processes for security and performance, backed by 24/7 UK-based technical support. Businesses choose us as their enterprise transformation partner to reduce risk, cut costs, and modernise faster with minimal disruption.
We follow a structured, agile-first modernisation workflow that ensures legacy systems are upgraded with minimal risk and maximum value. Our approach focuses on efficiency, speed, and alignment with your long-term goals.
Begin with a full system review to map architecture, dependencies, and assess technical debt. This kicks off the 5-phase modernisation lifecycle.
Define a phased legacy system upgrade plan, backed by business logic mapping, KPIs, and a 2-week sprint delivery cadence.
Use our software reengineering process to decouple, refactor, or rebuild systems. Adopt continuous integration for restructured apps to accelerate delivery.
Execute development using our agile software modernisation framework. Each sprint delivers testable modules with stakeholder feedback loops.
Integrate upgraded modules, run full QA, and support go-live with weekly reporting cycles for transparency throughout the app upgrade lifecycle.