Sector integration in the UK

Integration work for environments that get reviewed

Some integration work happens where a failed interface is a support ticket. Some happens where it is a regulatory incident. We work mostly in the second category, and the delivery model reflects that difference.

Talk through your sector Read our delivery model

Five environments, five constraints

The same integration engineering, adapted to the review process around it

Read them as a patched cabinet: five rack rows, each carrying the change-control posture, evidence expectations and failure tolerance of the environment it serves. Every row answers a question a buyer asks before signing.

Public sector

Public-sector integration is bought through framework-style routes more often than open tenders. The UK Digital Marketplace hosts government listings for cloud and integration services, so suppliers are often shortlisted before a technical proposal is read.

That structure rewards preparation: named personnel, referenceable work, and a security posture that can be evidenced rather than described. Our contribution is usually the join between an older case management or finance system and a newer cloud service, delivered without disrupting a public-facing service window.

Framework-ready evidence packs prepared as part of the build
Named delivery personnel and referenceable prior work
Cutovers scheduled outside public-facing service hours

Financial services

Financial services integration is constrained by audit rather than by technology. Every interface that moves regulated data needs a traceable path, and the question "who approved this change" has to have an answer that survives two years.

We build interfaces with that trail attached from the start, because retrofitting logging into a live payment or reporting path costs far more than including it. The sector also generates the most multi-system reconciliation problems we see, and interoperability work here usually means agreeing identifiers across systems bought at different times by different teams.

Change history written into the interface, not bolted on after
Identifier reconciliation agreed across systems
Audit-ready paths for regulated data movement

Utilities and energy

Utilities sit where operational technology meets enterprise IT, and that join is where integration projects get interesting. A meter data system, a grid monitoring platform and a billing engine can all be part of the same data flow, and the tolerance for downtime is close to zero.

The sector ranks uptime, security and regulatory compliance first. Our approach in utilities is conservative by design: parallel paths, staged cutovers, and no change to a live operational interface without a rehearsed rollback.

Parallel run before cutover on operational interfaces
Rehearsed rollback for every live change
Meter, grid and billing data flow planned as one path

Healthcare and digital health

Digital health integration involves clinical systems, patient data, and a compliance environment that is stricter than most. Cloud platforms typically enter this sector hosted first and integrated second — Azure hosting for NHS-related digital health and care services is a common pattern.

The practical integration questions are about identity, consent and record matching across systems procured independently. We work on the interoperability layer rather than the clinical applications themselves, and we plan for the fact that healthcare change windows are short and rarely move.

Identity and consent mapped across systems
Record matching defined before interfaces are built
Change windows respected; no overrun scenarios

Critical infrastructure

Critical infrastructure covers operators where the systems in question are part of something that cannot simply stop. Integration work here is heavily constrained by change control, and the architecture decisions get made with reference to what happens during a failure rather than what happens on a good day.

We spend more time on failure modes in this sector than in any other. The output is usually a more documented estate than the client started with, which is a benefit that outlasts the specific project.

What we plan for here

Behaviour under partial failure documented before go-live
Change control agreed with the operators, not imposed on them
Estate documentation as a deliverable, not an afterthought

What changes, what does not

Sector changes the review, not the engineering

What changes is the tolerance for risk, the review process around changes, and the evidence a buyer needs before signing. What does not change is the underlying work.

Legacy systems · Cloud endpoints · Interfaces · Escalation

Risk posture

Tolerance for failure

From a support ticket on a good day to a reported incident; the review process scales with the consequence.
Evidence before signing

What the buyer asks for

Framework registration, named personnel, referenceable work, and a security posture that can be shown rather than described.
Which stays the same

The work itself

Map the estate, define the interfaces, monitor the traffic, own the escalation path. That sequence does not change with the sector.
Documentation

Built, not assembled

A regulated environment does not require a different kind of engineering; it requires the same engineering with more documentation and less appetite for improvisation.

How the work runs, whatever the sector

Four steps, walked once per engagement

The sequence is the same in every sector we work in. What the sector changes is the depth of each step, the review gates attached to it, and the evidence produced at each stage.

Understand the estate

Where the systems actually are

Before any interface is designed, we map what already exists: the older case management, finance or operational systems, the cloud services they are meant to reach, and the people currently holding the joins together in a spreadsheet or by hand. In regulated work this stage produces the inventory the audit trail will refer to later.

Define the interfaces

The join, in writing

Each interface is documented before it is built: what moves, who owns it, what happens when it stops. In financial services and healthcare this is where identifier and consent agreements are settled, because retrofitting them after the first live transaction is where most integration cost lands.

Monitor the traffic

A watched panel, not a slide

Interfaces are instrumented from day one: throughput, errors, retries, latency and the failures that happen quietly. In utilities and critical infrastructure the same instrumentation is the rollback trigger. Co-managed service means reading the panel with the client rather than handing over a login.

Own the escalation path

Who gets called, and when

Escalation is agreed in advance: named contacts, agreed thresholds, a rehearsed rollback where the environment demands one. In a high-consequence estate this is what turns a live incident into a known response rather than a meeting about who owns which system.

Judging fit

Is your sector one we are built for?

Two honest lists. If you read your situation in the second list, we would rather say so now than discover it in month two of a project.

Probably a fit

Your integration work touches regulated data and someone signs off on changes.
A failure would be reported rather than merely noticed.
Your estate includes systems that predate your current team.
You need interfaces that can be explained to an auditor years after they were built.

Likely a better fit elsewhere

A straightforward cloud migration with no regulatory overlay.
Work defined primarily by licensing breadth rather than integration depth.
No existing systems to reconcile — a greenfield platform build.

In those cases, a larger provider with broader licensing relationships may serve you better. Softcat and CDW UK are reasonable places to look.

Next step

Tell us which sector you sit in, and we will tell you whether we are the right supplier

A short call is enough to establish fit. Bring the shape of the estate, the systems that need to talk to each other, and any framework or review process you are working within — we will say plainly whether the work is ours to run.

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