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Markel’s Tyra Ali contributes industry expertise to Contractor UK on IR35 lead case designation.
Published on 20 June, 2025
Markel Tax has once again contributed specialist insight to Contractor UK this time on HMRC’s confirmation that Churchill Knight and Boox will serve as official lead test cases in its high-profile IR35 investigations into umbrella companies.
In the article, Tyra Ali, tax consultancy manager at Markel Tax, helps unpack the significance of this legal step, including what it means for contractors currently being challenged under “disguised remuneration” schemes, and how it could influence future enforcement activity.
The designation of lead cases suggests HMRC is seeking clarity from the judiciary on key technical issues, potentially shaping how thousands of open cases will be resolved.
Markel remains committed to supporting clients with expert guidance as these complex cases develop.
Read the full article on Contractor UK here.