HMRC External Integration Vision with Software Sector

UK HMRC Publications & Guidance

Published March 26th, 2026

Detected March 26th, 2026

Summary

HM Revenue & Customs (HMRC) has published its strategic approach to external integration, outlining its vision for working with the software sector. The document focuses on external APIs as a core enabler for a seamless, automated tax and customs system, aiming to support UK growth through increased data sharing.

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What changed

HM Revenue & Customs (HMRC) has released a policy paper detailing its strategic approach to external integration, with a specific focus on its relationship and collaboration with the software sector. The document emphasizes the use of external APIs as a key mechanism to facilitate a thriving software market and achieve HMRC's objectives of a seamless, automated tax and customs system. This initiative aims to make it easier for customers to meet their tax and customs obligations through existing software products.

This guidance is primarily for technology companies and software providers operating within the UK. While it does not impose new direct compliance obligations, it signals HMRC's strategic direction and commitment to API-driven integration. Companies involved in developing or providing software for tax and customs purposes should review this document to understand HMRC's future direction and potential opportunities for collaboration and innovation in data sharing.

Source document (simplified)

Policy paper

HMRC’s Strategic Approach to External Integration

This document sets out HMRC’s vision for External Integration including how it intends to work with the software sector.

From: HM Revenue & Customs Published 26 March 2026 Get emails about this page

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HMRC’s external integration approach — enabling a thriving, innovative software market

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Details

This document sets out HMRC’s approach to external technical integration, providing detail on HMRC’s relationship and ways of working with software providers. The approach builds on HMRC’s longstanding ambition to make it easier for customers to meet their tax and customs obligations through the software products they already use and aims to respond to growing demands for increased data sharing from software providers that support UK growth. This document focuses on external APIs as they are the current core enabler of a thriving software market, contributing to HMRC’s strategic objectives to deliver a seamless, automated tax and customs system.