Resources
Insights, guidance, and updates on tax compliance, HMRC policy changes, and how technology is transforming the industry.
Insights, guidance, and updates on tax compliance, HMRC policy changes, and how technology is transforming the industry.
Featured
A comprehensive guide to the new CIS fraud measures coming into effect in April 2026, what they mean for your business, and how to prepare.
Read the GuideBlog
Jack Sloggett, co-founder of Tax Radar, breaks down the April 2026 CIS fraud legislation changes and what they mean for tax advisors and their clients.
By Jack Sloggett, Co-founder
Why anomaly detection outperforms checklist-based CIS due diligence, and what “reasonable care” looks like under the Finance Bill 2025.
By Josian Quintana Arroyo, Technical Advisor
The “knew or should have known” standard now in CIS was not invented for CIS. It is a VAT principle with nearly twenty years of UK case law behind it. These six cases tell construction contractors what HMRC will do next.
By Jack Sloggett, Co-Founder
In the Media
Construction Enquirer reports on the new CIS fraud legislation effective from April 2026. The article features Tax Radar Director Jack Sloggett's analysis of the "knew or should have known" test and how HMRC can now hold principal contractors personally responsible for fraud committed elsewhere in their supply chain.
Article • Construction EnquirerTax Radar Director Jack Sloggett joined HardHats to discuss the new CIS fraud legislation taking effect from April 2026. The conversation covers what the "knew or should have known" test means in practice for construction contractors, how HMRC's new powers to immediately withdraw Gross Payment Status will work, and the practical steps contractors can take now to protect their businesses.
Video • HardHats