The wedge thesis, argued in the open. Three forces are colliding in one market for the first time — and UK motor is the sharpest possible place to start.
Every new company is a bet on timing and place as much as on product. You can be right about the idea and wrong about the moment, or right about the moment and wrong about where you point it. So it's worth saying plainly why we're building an AI-native TPA in the UK, starting with motor, in 2026 — and why we think each of those three choices is the correct one rather than the convenient one.
Three forces are meeting in the UK claims market at the same time, and it's the first time they've all been true at once.
The market has stalled. The large end of the industry is mid-consolidation. Sedgwick has been valued in the tens of billions; Davies has changed hands and had an exit attempt fail on integration. When platforms of that size are absorbed in M&A and integration, innovation stops — not because the people aren't capable, but because the organisation's attention is elsewhere. The effect is a mid-market that nobody is building for.
Regulation has turned. The PRA and FCA are tightening outsourcing oversight and operational-resilience expectations, and Consumer Duty has raised the bar on fair value, explainability and vulnerable-customer care. Legacy stacks struggle to evidence any of it. A model that is open, real-time and auditable by construction isn't just compliant — it's the cleanest posture available, at exactly the moment the regulator is asking harder questions.
The technology has arrived. Large language models can now handle the unstructured core of a claim — emails, voice transcripts, medical reports, scene evidence — at scale, with acceptable accuracy and full audit trails. That capability didn't exist at production quality a couple of years ago. It changes what's possible, and as we've argued elsewhere, it changes the processing model itself rather than just speeding the old one up.
Any one of these forces would be interesting. All three, in one market, at one time, is a window — and we'd put its width at around eighteen months.
Because the UK is where those three forces are sharpest, and because it has a structural feature most markets lack: the regime that makes aligned, auditable claims economics possible is already law here. Consumer Duty is a UK regime, and building for it natively is an advantage overseas entrants can't easily retrofit. The Lloyd's market adds a second structural feature — a delegated-authority framework and a route to credibility that, once earned, is hard for a newcomer to replicate quickly.
There's a talent dimension too. The UK has deep claims expertise and an ageing workforce with a thin replacement pipeline — which is a problem for the industry and an opportunity for whoever becomes the best place to do this work in an AI world. We've written separately about why we think the human side of an AI-native TPA matters more, not less.
Because it's the sharpest wedge. Motor is the highest-volume line in UK P&C, which means the AI has the most examples to learn from and the model improves fastest. It has the clearest, most measurable wins — fraud and reserving are more tractable in motor than in long-tail casualty, so the value shows up quickly and is easy to prove to a design partner. And the buyer is reachable: the mid-market carriers and the roughly 180 UK MGAs that the Tier-1 platforms were never built for are exactly the customers who feel the gap most and can move fastest. Property and casualty follow — but you earn the right to them by winning motor first.
There's a fourth "why" underneath the other three: why this approach to building it. The challenger playbook that's worked in this category is not "build in stealth and launch". It's design partners before the raise, strategic insurance capital in the cap table, and MGA-first go-to-market — sign the founding partners who'll shape the product, then build it around a real book. That's the pattern that took the leading US challenger from a seed round to a nine-figure Series C in four years, and it's the pattern we're following deliberately.
So: the UK, because the forces and the moats are sharpest here. Motor, because it's the fastest-learning, clearest-winning, most-reachable wedge. Now, because the window is open and won't stay open. And this way, because the challengers who've won did it partner-first, not stealth-first.
That's the bet. We're making it in the open, and we're looking for the partners and investors who want to make it with us.
ADJST is building the AI-native TPA for UK motor. Pre-seed, 2026.