Umbrella Payslip Checker — Spot the red flags (2026/27)

Is your umbrella payslip actually legitimate?

Since the April 2026 joint & several liability rules, a non-compliant umbrella can land you — and your agency — in trouble with HMRC. Enter the figures from one payslip and we'll flag the warning signs, check the maths, and show what your payslip should look like. Nothing is stored or sent anywhere.

This payslip covers

The money in required

Assignment rate / total invoiced — top line the agency paid the umbrella

Your gross pay — taxable salary on the payslip

Net pay you received

Employer-side costs optional, improves the check

Umbrella margin

Employer NI

App. Levy

Employer pension

Your deductions optional

Income tax (PAYE)

Employee NI

Student loan

Holiday pay shown

The red-flag check

Any other payment on the payslip? e.g. expenses, advance, loan, bonus, allowance — type its name

Employer's NI is listed under my deductions (taken off my gross pay) I'm paid in two parts — a small salary plus a separate larger payment

Everything runs in your browser. No figures are uploaded, stored, or shared.

Your check appears here

Fill in at least your assignment rate, gross and net pay, then press “Check my payslip”.

Is your umbrella payslip actually legitimate?