Move a system forward without stopping the business that runs on it.
Legacy System Modernization & Enterprise Solutions
Rewrites that stop the business are not modernisation. We work incrementally: characterise the existing system and its data, put an interface in front of it, move capability out behind that interface in slices, and keep both paths running until the old one has nothing left to do. Data migration is treated as an engineering deliverable in its own right, with reconciliation reports proving that what arrived matches what left.
What this engagement produces
Artefacts are named in the statement of work before the work starts, and each one is handed over in a repository or document store that 2GO Systems OÜ does not control after the engagement ends.
- System characterisation and risk register for the existing estate
- Strangler-pattern interface and routing layer
- Staged migration plan with rollback at every stage
- Data migration with reconciliation and verification reports
- Parallel-run and cutover procedures
- Decommissioning checklist for the retired components
Typical technologies
Chosen per engagement against the client’s existing estate and constraints, not a fixed house stack.
Engagement models
- Fixed-scope phase
- Time and materials
Fees are agreed per statement of work. No rate, price or total is published on this site, and the estimator returns effort and shape only.
Other services
Custom Software Development & Engineering
Web, mobile and microservice systems built to a written specification.
Strategic IT Consulting & Architecture Audit
An independent read of a system, written down and defensible.
Cloud Infrastructure, DevOps & API Integration
Infrastructure as code, pipelines that deploy, and systems that talk.