

Mileage claims rarely fail on the maths. They fail on review: wrong rate mechanism, stale rates, missing VAT fuel receipts, vague journey reasons. Here is the checklist that catches it.

You do not employ your client's staff, but you own the quality of their expense records. Here is how to control a process that technically belongs to someone else entirely, without friction.

CIS complexity rarely sits in whether it applies. It sits in the receipt layer: materials versus labour splits, reverse charge VAT, and records that survive an HMRC review later on.