HM Revenue and Customs (HMRC) has chosen UK data analytics and AI specialist Quantexa for a £175 million, ten-year partnership. Announced on 14 May 2026, the agreement represents one of the largest Decision Intelligence projects ever undertaken in government. It will overhaul the tax authority’s core data systems and introduce sovereign, fully governed artificial intelligence at national scale, aiming to deliver faster, smarter, and more transparent public services while safeguarding taxpayer funds.
The program will modernize HMRC’s fragmented data landscape, creating a single, trusted, and connected view of information held across multiple legacy systems.
By unifying these sources, the authority will gain sharper insight into tax risks, strengthen compliance controls, and improve overall operational performance.
The upgrade also forms the foundation for advanced AI tools that can support everything from automated decision-making to quicker resolution of taxpayer queries.
Ultimately, the project is expected to help close the tax gap, reduce fraud losses, and provide a smoother experience for millions of UK citizens interacting with the tax system.
At the center of the transformation is Quantexa’s Decision Intelligence Platform. The technology consolidates scattered data into a secure, auditable foundation that enables responsible analytics and the safe scaling of AI.
Public-sector bodies increasingly demand full data sovereignty, explainable AI, and robust governance; Quantexa’s solution directly addresses these priorities while replacing outdated infrastructure with modern, context-rich intelligence.
Vishal Marria, founder and chief executive of Quantexa, said the deal tackles a challenge faced by governments worldwide: turning complex, disconnected data into confident, timely decisions.
By building context around information and embedding trusted, governed AI, the partnership will help HMRC and other public organizations make better-informed choices. Marria described the project as a blueprint for how the UK government can responsibly deploy AI at scale.
The contract, which runs until March 2034 with the possibility of a two-year extension, will also assist frontline staff in spotting sophisticated fraud networks, correcting unintentional errors on tax returns, and linking internal records with external data sources where appropriate—all while keeping human oversight firmly in place.
Quantexa, founded in 2016, has grown into a global leader in Decision Intelligence, serving organisations in fraud detection, risk management, compliance, and large-scale data modernisation.
The company now employs more than 800 people and supports clients across the public and private sectors who manage billions of data points daily.
HMRC’s selection of the UK-based firm underscores growing confidence in British AI innovation to deliver secure, sovereign technology solutions for critical national services.
This agreement signals a new era for HMRC’s digital capabilities. By investing in unified data and responsible AI, the tax authority is positioning itself to protect public money more effectively, streamline services, and set a benchmark for ethical technology adoption across government.
