22 May 2026 Sean Mosby 712 Case Updates Car-Wizard Limited v Vixen Surface Treatments Limited [2026] EWHC 685 (Ch) by Sean Mosby Summary The claimant asserted misrepresentation and breach of a collateral contract by the defendant in respect of the supply of a vertical diamond cutting lathe for the claimant’s car wheel repair business. The judge found that the accountancy reports were not expert evidence but simply aids to understanding the details in a complex case. Learning points Simply applying arithmetic rules to data supplied to you, is not expert opinion. Experts must clearly distinguish between any factual evidence they are giving and their opinion as an expert. To continue reading you must be an EWI member, become a member and access exclusive content. Already a member? Login More links Link to the Judgment Share Print Tags 07. Receiving Instructions16. Criticism and ComplaintsAccountancy11. Report Writing15. Giving Oral Evidence Related articles EWI Annual Conference 2026: Opening keynote tackles the use of AI in Expert Reports Do not leave it until cross-examination to reveal your true opinion A Day in the Life of a General Practitioner Expert Witness Ill-health and sentencing Take care not to conflate your role as a contractor with your duties as an expert witness Switch article Unregulated Experts in Family Court Children Proceedings Previous Article Praise for experts gives insight into what makes oral evidence credible Next Article Comments are only visible to subscribers.