HMRC Initiates £350k Automation Experiment for Self-Assessment Tax Returns
HM Revenue and Customs (HMRC) has announced a £350,000 experiment to assess automation tools for self-assessment tax returns. This initiative aims to enhance transaction classification and tax calculation, potentially simplifying processes for taxpayers and improving compliance.

HMRC plans a seven-month contract from September 1, 2026, to March 31, 2027, to test automation tools for Income Tax Self-Assessment (ITSA). The goal is to automate the categorization and calculation of tax liabilities, addressing miscategorization issues in current submissions.
The agency seeks suppliers for a proof of concept (PoC) that will utilize synthetic transaction data to evaluate how transaction data can be captured and processed. An online engagement event is scheduled for June 29, 2026, to gather market insights. This initiative aligns with HMRC's Transformation Roadmap, which emphasizes increased automation and integration of tax systems with everyday financial processes.




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