The Construction Industry Scheme (CIS) has some of the most easily misunderstood tax rules in the UK. If you’re a contractor or subcontractor in the construction industry in West Cornwall, Mounts Bay Accountants can manage your CIS obligations from end to end.

For contractors, we handle subcontractor verification, monthly CIS returns and deduction statements, making sure you’re deducting the right amounts and filing on time to avoid penalties. For subcontractors, we ensure your deductions are correctly offset against your tax bill and help with gross payment status applications where appropriate.

West Cornwall has a significant construction and trades sector, and CIS compliance is an area where even experienced tradespeople often run into problems — especially when moving between contractor and subcontractor roles on different projects.

If you’re uncertain about your CIS position, get in touch for a free initial conversation.

CIS services for contractors and subcontractors across Newlyn, Penzance, Helston, St Ives, St Just and the wider West Cornwall area.