Custom Software Development
Bespoke systems for the work your business actually does.
- Discovery and technical scoping
- Architecture and data modelling
- Full-stack development
- Automated test coverage
System Intervia
UK · USA · Europe
Software development agencyUK · USA · Europe
A senior team of engineers working globally across the UK, USA and Europe. We handle mobile apps, web apps, design, engineering and the support that comes after launch.
Dispatch, tracking and fleet operations
Clinical scheduling and compliance
Reporting, reconciliation and portals
Search, digitisation and access
Production planning and traceability
Dispatch software for 400 drivers, rebuilt around one screen instead of nine.
Custom Software + Web & MobileNorthbound Freight
2025An internal deployment platform that took releases from ninety minutes to four.
Custom SoftwareSable Technologies
2025Clinical scheduling for 2,300 staff, designed on the ward before it was designed on screen.
Custom Software + Data & IntegrationMeridian Health
2024Bespoke systems for the work your business actually does.
Customer-facing products that hold up under real traffic.
Getting your systems to agree with each other.
Replacing the system you cannot switch off.
Staying responsible for what we build.
1–2 weeks
We work out where you actually are, which is rarely where the brief says. Stakeholder interviews, a read through the existing codebase, and an honest look at the analytics and the incident history.
You receive
Findings report and a scope we both believe
2–3 weeks
The whole system on one page before any of it gets built: user flows, the states that matter, service boundaries, and the risks we can name up front. This is the cheapest point to change your mind.
You receive
Designs, technical architecture and a risk register
8–16 weeks typical
Two-week sprints, each ending in something you can click on a staging environment. No status decks — you see the real thing running against real data, or the sprint did not finish.
You receive
Working software every two weeks
1–2 weeks
Staged rollout behind feature flags, load testing before you need it, and monitoring configured before go-live rather than after the first incident.
You receive
Production launch, dashboards and alerting
Ongoing
Documentation written for the engineer who inherits this, training sessions with your team, and an SLA if you want one. If your team cannot maintain it after we leave, we did not finish the job.
You receive
Documentation, training and optional SLA
Platform & APIs
Principal Engineer
Writes the unglamorous code that keeps working. Cares more about the 95th percentile than the demo, and will argue about database indexes for longer than is polite.
Discovery & UX Research
Head of Research
Trained as an ethnographer, now applies it to clinical and industrial software. Has sat through more shift handovers than anyone should have to.
Platform Engineering
Staff Engineer
Takes monoliths apart without taking them down. Believes a migration you cannot roll back is not a plan, and that deploys should be too boring to remember.
Read the case study“They spent two weeks telling us our brief was wrong, and they were right. The thing we ended up building is the thing we needed.”
Start a project
Whether it is a new product, a system that has outgrown its first build, or a migration nobody wants to start — send us the shape of the problem and we will tell you honestly whether we are the right people for it.