16/07/2026
CIS mistakes often start before the subcontractor is even paid.
One of the biggest issues we see is CIS being deducted from the wrong amount.
That can lead to unhappy subcontractors, messy corrections and potential HMRC issues.
Scroll through to see the issue and how to fix the mistake.
This is a good one to share with contractors who pay subcontractors.
If you are unsure whether your CIS process is correct, please get in touch.
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01344 508020