01 · The problem
The same problem repeats, and it is not a shortage of data.
Across policing, national security, criminal justice and public protection, the data exists. The time and the tools to make sense of it do not.
Intelligence fragments across systems that were never built to talk to each other. Analysts spend their days reconciling records rather than interpreting them, and every judgement made along the way has to stand up afterwards, in court and in public.
Most of what is offered to address that fragmentation comes from elsewhere, built and governed on someone else's terms.
The starting condition
Consequential decisions are being made on partial information. That is the condition Arthur was built for.
02 · What we build
Arthur, an intelligence platform built natively for UK law enforcement.
Arthur is structured around the model every force already uses. Policing doctrine is the data model rather than a skin over a general-purpose product: POLE and NIM native, with grading, provenance and disclosure built in from the first line of code.
It resolves entities across incompatible estates and records the linkage itself. It carries source, grading and handling conditions with every record rather than inferring them. It surfaces lines of enquiry alongside the evidence that raised them. And it logs every query and output in a form that survives court and inspection.
And what it does not do
Arthur does not make decisions or act autonomously. It does not generate investigative conclusions from a language model, or score people behind a model no one can inspect.
The officer decides. Arthur shows the working.
03 · Who builds it
Practitioners, not a commercial team learning the domain.
Our team have spent careers inside policing, national security, criminal justice and the wider landscape of public decision-making, combined with first-rate engineering capability at the frontier of what is now possible. More than 100 years of operational experience between them, and security clearances at classified levels.
We understand the operational reality, the societal stakes, and the technical means to address both.
The team04 · Accountability
Ethics and integrity are the reason the work is worth doing.
They are not constraints we work within. They sit at the foundation of everything we build, and they set the standard the platform is engineered to meet.
Lockhouse is overseen by an independent Ethics and Integrity Board whose members have between them run Britain's intelligence, counter-terrorism and Home Office teams.
Ethics and governanceIf you are responsible for consequential decisions, and for standing behind them afterwards, we would like to show you what we have built.
Request a briefing