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London runs on systems that have to talk to each other — trust EPRs, payment rails, research databases, regulator reporting. Woltrio builds the software in between: integration layers, AI services and data platforms that hold up under London's scale and its compliance load.
The London landscape
No other UK city concentrates this many regulated buyers in one travel zone. That shapes the work: fewer greenfield builds, far more careful integration with estates that already exist.
A London rollout rarely means one organisation. Acute trusts, mental health trusts, primary care networks and an ICB each hold part of the pathway, on different EPRs. We design for that from the first architecture session rather than retrofitting a second integration later.
From the City to Shoreditch, the products we are asked to build assume audit trails, strong customer authentication and a regulator who may ask how a decision was reached. That pushes explainability and event logging into the design, not the backlog.
Around King's Cross, Whitechapel and White City, the same platform often has to satisfy day-to-day clinical operations and research-grade data handling. We separate those data planes early so consent and retention rules do not collide.
Most London engagements start because something already exists and has to keep running. A trust needs a new service alongside its EPR. A scale-up needs to move off the platform that got it to Series A. We are comfortable being the team that works inside a live estate — instrumenting first, changing second, and leaving your in-house engineers able to own what we ship.
Engineering that assumes an existing estate, a regulator, and users who cannot afford downtime.
Interface engines and FHIR APIs connecting trust EPRs, labs, imaging and third-party services — including the multi-provider pathways London care models depend on.
Learn more →Document extraction, triage support and back-office automation, built with the decision logging that regulated London buyers ask about in procurement.
Learn more →Ledgers, reconciliation, onboarding and reporting for payments and lending platforms, designed around audit and strong customer authentication.
Learn more →AWS and Azure environments in UK regions, with infrastructure-as-code, environment separation and the evidence trail security reviews expect.
Learn more →Interfaces for clinicians and operations staff who use a system for hours a day — designed against real workflows, not a marketing prototype.
Learn more →Sector focus
Three sectors account for most of what we are asked to build in the capital.
Integration between trust systems, patient-facing services, and analytics that clinical safety officers will sign off. Work usually begins with a DCB0129 conversation, not a feature list.
Typical start: integration discovery, 4-6 weeks
Core platform work for payments, lending and wealth — reconciliation engines, onboarding flows, and the reporting that keeps compliance teams supplied.
Typical start: architecture review, 3-4 weeks
Platforms that carry both operational and research data, with consent, pseudonymisation and retention modelled as first-class concerns.
Typical start: data model workshop, 2-3 weeks
Compliance posture
Procurement in the capital is thorough. These are the frameworks we build against and can evidence during a supplier review.
Seeking basic information? Our FAQ section is a ready reckoner with precise answers to the most probable queries.
Bring us the estate you already have and the outcome you need. We will tell you what it takes.
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