Cut the Legacy. Keep the Business.
We help established businesses modernise outdated systems, reduce risk, and future-proof their tech so you stay competitive, secure and ready for what's next.
Challenges
The True Cost of Legacy Systems
Every year you delay, these problems grow more expensive and more risky
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System Performance Crisis
Your systems take minutes to do what should take seconds, frustrating customers, burning out employees, and damaging your reputation.
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Runaway Maintenance Costs
The majority of your IT budget is spent keeping old systems alive. leaving little room for innovation while competitors pull ahead.
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Critical Security Risk
Outdated systems can't be properly secured. One breach could mean GDPR fines, data loss, and irreparable damage to customer trust.
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Single Point of Failure
Critical systems depend on just one or two people who know how they work, creating a single point of failure that threatens continuity and growth.
Solutions
Modernisation That Actually Works
Practical, low-risk approaches that transform your systems without disrupting your operations
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Legacy Modernisation
Fix performance issues and eliminate costly maintenance by transforming outdated systems into modern, scalable architectures with zero downtime.
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Process Automation
Free your staff from repetitive, manual tasks and reduce your reliance on outdated workflows that drain budgets and block innovation.
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Security & Compliance
Modern security frameworks, encryption, and access controls to remove the risk of breaches and compliance failures.
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Knowledge Transfer & Enablement
We ensure your team can run and evolve the new systems confidently, eliminating single points of failure.
Our Process
A Risk-Free Transformation Methodology
We've modernised mission-critical systems for over 15 years. Our process ensures success without disruption
1
Discovery & Assessment
We analyse your systems, risks and opportunities and create a transformation roadmap with no disruption to daily operations.
2
Proof of Concept
We validate the approach with a small-scale pilot before major investment.
3
Phased Migration
We migrate step by step, with rollback options always in place.
4
Knowledge Transfer
We train your team and provide full documentation so you own the solution.
Risk Mitigation
We Remove the Fears That Block Modernisation
We know the concerns that hold businesses back from replacing legacy systems. Here's how we address them
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"We can't afford disruption"
Our phased approach means we test extensively before each deployment. Rollback procedures are always ready.
✓ Guaranteed business continuity
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"What if this becomes a never-ending project?"
Each phase is fixed-price with clear deliverables. No runaway budgets, no open-ended consulting.
✓ Predictable costs, transparent scope
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"How do we know this will pay off?"
We prioritise quick wins that deliver measurable results early. Reduced maintenance costs, faster processes and happier staff.
✓ ROI visible within 6-12 months
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"What if our staff won't adapt?"
We train your teams throughout the project and provide full documentation. Change management is part of delivery, not an afterthought.
✓ Confident adoption and long-term ownership
What we offer
Everything You Need to Modernise Without Disruption
Secure, scalable systems that reduce risk and prepare you for the future.
Legacy Modernisation Package
Perfect for established businesses with critical legacy systems holding back growth
Discovery & Planning
✓Complete system architecture audit
✓Business process analysis and mapping
✓Technical debt assessment and prioritisation
✓Modernisation roadmap with ROI projections
✓Risk assessment and mitigation planning
✓Technology selection and architecture design
Infrastructure Modernisation
✓Cloud migration strategy and implementation
✓Database modernisation and optimisation
✓API development for system integration
✓Security implementation (encryption, access control)
✓Performance monitoring and alerting systems
✓Disaster recovery and backup procedures
Process Automation
✓Workflow automation design and implementation
✓Document processing automation
✓Reporting and dashboard creation
✓Integration between disconnected systems
✓Mobile access development
✓AI-powered process improvements
Data & Analytics
✓Data migration and cleansing
✓Real-time data integration
✓Business intelligence dashboard creation
✓Automated reporting systems
✓Data governance and compliance
✓Predictive analytics implementation
Training & Support
✓Comprehensive staff training programmes
✓Process documentation and user guides
✓Change management support
✓12 months ongoing technical support
✓Priority support (4-hour response SLA)
✓Regular health checks and optimisation
Why us
Why Businesses Choose LGSE
How we compare to other options
| Feature | LGSE | Big Consultancy | Offshore Team | In-House Team |
|---|---|---|---|---|
| Disruption risk | ✓ Zero-downtime, phased migrations | ✗ High risk, long cutovers | ✗ Quality varies, limited safeguards | ✗ Limited capacity, risky changes |
| Speed of delivery | ✓ Quick wins in weeks, phased ROI | ✗ Long projects (12-24 months) | ✗ Variable delivery timelines | ✗ Slow, already overloaded |
| Cost predictability | ✓ Fixed-price phases, clear ROI | ✗ Open-ended, spiralling costs | ✗ Cheap upfront, costly rework | ✗ Hidden costs, staff overhead |
| Modernisation expertise | ✓ 15+ years engineering experience | ✗ Generic digital “strategy” focus | ✗ Limited enterprise experience | ✗ Legacy familiarity, not modernisation expertise |
| Security & compliance | ✓ Built-in GDPR best practices | ✗ Extra cost, inconsistent depth | ✗ Often not compliant | ✗ Reactive, patch-based |
| Knowledge transfer | ✓ Full training & documentation included | ✗ Often retained in consultancy | ✗ Limited, high turnover | ✗ Knowledge locked in key staff |
Our tech
Enterprise-Grade Technology You Can Trust
We modernise critical systems using proven, scalable technologies relied on by Fortune 500 enterprises
Mobile
React Native - trusted by companies like Facebook, Airbnb and Microsoft for cross-platform apps
Web
Ruby on Rails, React JS, Node.js, Next.js, Tailwind CSS - frameworks that have scaled companies from startup to IPO.
Data
Python, PostgreSQL, PySpark, Redis - giving you the performance and insights investors expect
DevOps
Fastlane, Terraform, Github Actions, Docker, Kubernetes, Heroku, AWS - enterprise-grade reliability from day one.
Analytics
Google Analytics, Posthog, Grafana
APIs
Stripe, Mux, PayPal, Whereby, Twilio, Algolia, Google Maps, Auth0, Firebase, Mailchimp - everything you need to transact, communicate, and scale.
Our expertise
15+ Years Modernising and Engineering at Scale
With experience across financial services, SaaS, and other established businesses, we've tackled complex, business-critical systems that demand stability and security
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Fintech & Payments
Building secure, scalable platforms that power transactions and financial services.
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SaaS Platforms
Creating cloud-based software solutions that streamline workflows and drive business growth.
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Online Communities & Social Platforms
Developing engaging user experiences that foster connection, interaction, and growth.
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Analytics & Business Intelligence
Enabling data-driven decision-making through analytics and reporting solutions.
Ready to Modernise Without Disruption?
Partner with a team that transforms critical systems with zero downtime and proven ROI
Start My Modernisation JourneyFAQs
Modernisation FAQs