How much CIS tax are you owed back?

Most subcontractors have too much taken at source. Enter what you invoiced, claim a sample year of expenses, and watch your refund move — free, no signup.

You're likely owed back

estimated refund for the 2026/27 tax year

Press Enter to reveal — free and instant.

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Your income

What you invoiced, and the rate your contractor deducts.

Invoiced this year — before CIS

CIS deduction rate

Claim your expenses

A typical year, read the way Varro reads your real statements. Tap to claim — it says no when HMRC would.

Expenses claimed so far£0

CIS deducted£7,600Your tax bill£6,612

Varro tracks more categories

Those were the obvious ones — these are the claims most subbies never think of.

7 more you could be claiming

Varro finds the refund you're owed, highlights every expense you're entitled to claim, and files it with HMRC — you just confirm what goes in.

Get started with Varro

CIS gross payment statusGet paid with 0% deducted — the three HMRC tests CIS deduction rates explained20% vs 30% vs gross — what each costs you Allowable expenses for the self-employedEverything you can claim, category by category

An estimate for the 2026/27 tax year, England & Wales rates — covering self-employment Income Tax (any other income sets your band), Class 4 NI and student-loan repayments. Sample transactions carry typical yearly amounts, not personalised advice. Scotland differs. Varro works out your exact position from your records.