Mandatory Tax Adviser Registration: What It Could Mean for Businesses and Advisers

The UK tax landscape is continuing to evolve, with new legislation around mandatory tax adviser registration raising important questions for accountancy firms, tax professionals and businesses alike. While the government has stated it does not intend to formally regulate tax advisers, the introduction of registration requirements and expanded HMRC powers suggests a significant shift in how the industry may operate moving forward.

In a recent article, Tarandeep Singh Sangra, Managing Director at Fortis Tax and former HMRC Agent Compliance Team Inspector, shares his thoughts on the proposed changes and the wider implications for the profession. The discussion explores how the new framework could impact advisers, compliance procedures, client communication and the relationship between firms and HMRC.

As businesses increasingly rely on specialist tax advice to navigate complex legislation, understanding these developments is becoming more important than ever. The article below takes a closer look at the proposed registration regime, the practical concerns surrounding implementation, and the potential challenges firms may face in the years ahead.

Mandatory Tax Adviser Registration - Enquiries, Investigations & Powers (April - May 2026)