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# HMRC awards UK firm Quantexa a GBP175 million, ten-year sovereign AI contract
- URL: https://sovereigntymonitor.eu/news/2026-05-14-hmrc-quantexa-sovereign-ai-contract/
- Published: 2026-05-14T12:00:00.000Z
- Updated: 2026-09-01T10:50:33.000Z
- Description: Britain's tax authority HMRC signed a ten-year, GBP175 million deal with London based Quantexa to build a sovereign, governed AI and data platform for fraud detection and the tax gap, keeping data and processing inside HMRC's own environment.
- Author: Reidar Balstad
- Tags: Industry, investment and R&D, Policy and law, #news, #verified

Verified [Quantexa press release, 14 May 2026](https://www.quantexa.com/press/quantexa-selected-by-hmrc-for-landmark-pound175m-sovereign-data-and-ai-transformation/?ref=sovereigntymonitor.eu)

**What it does not test.** Does not establish that this contract displaces or reduces HMRC's existing contracts with foreign vendors such as Palantir.

**How this item counts.** Towards autonomy: it changes who owns, who operates, whose law governs. Binding 2 of 3 (agreed or funded), scale 2 of 3 (medium), Verified counts in full: weight +12 of 36 possible. own/operate/law: UK's Quantexa builds in-house sovereign AI platform for HMRC, GBP175M/10yr contract signed. [European Sovereignty Index](https://sovereigntymonitor.eu/sovereignty-index/)