How to Avoid Common VAT Mistakes That Cost UK Businesses Thousands (2026)
The most expensive VAT mistakes UK businesses make: (1) not registering when required (backdated liability + 15% penalty), (2) charging VAT on zero-rated or exempt supplies, (3) reclaiming input VAT on blocked items (client entertainment, cars), (4) incorrect partial exemption calculations for mixed businesses, (5) not applying the reverse charge for digital services from overseas, (6) treating intra-group transactions incorrectly.
The most expensive VAT mistakes UK businesses make: (1) not registering when required (backdated liability + 15% penalty), (2) charging VAT on zero-rated or exempt supplies, (3) reclaiming input VAT on blocked items (client entertainment, cars), (4) incorrect partial exemption calculations for mixed businesses, (5) not applying the reverse charge for digital services from overseas, (6) treating intra-group transactions incorrectly. This article provides a comprehensive mistake-prevention checklist.
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This content is educational and does not constitute legal or tax advice. Always consult a qualified professional for your specific situation. Data last verified March 2026.