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About this section
Log every wage you receive from contractors. We auto-calculate the CIS deduction and net pay, then show your running totals across the tax year (April → April). The "CIS deducted" total is what you claim back via Self Assessment. Your gross income flows straight into the Tax Estimator.
No checks yet.
Why this is separate from your Cert Wallet
The Cert Wallet holds your own tickets — Gas Safe, CSCS, first aid. Renewals holds the certificates you issue to customers, which expire on their side and bring you the job back. A five-year EICR is the one nobody remembers; be the one who does.
What this covers — and what it doesn't
This tax year only. Income is money that actually came in between 6 April and today — paid invoices and part-payments, net of VAT, plus gross wages from contractors. Deductions are this year's expenses at their allowable percentage (net of reclaimable VAT if you're VAT registered) and mileage at HMRC approved rates.
Tax is worked out at England, Wales and Northern Ireland rates for 2026/27: personal allowance £12,570 (reducing by £1 for every £2 over £100,000), 20% to £50,270, 40% to £125,140, 45% above. Class 4 National Insurance at 6% between £12,570 and £50,270, then 2%. CIS deducted from your wages or taken off your own invoices counts as tax already paid.
Not included: Scottish rates, other income (a job, rent, savings), student loan, pension contributions, capital allowances and payments on account. Use it to know roughly what to put aside — your accountant or HMRC works out what you actually owe.
When does reverse charge apply?
You are VAT-registered · Customer is a VAT-registered contractor · Work falls within CIS · Standard or reduced rated supply
Does NOT apply to: end users, zero-rated supplies, connected companies, non-CIS work
How this works
Pick your trade and tick any hazards specific to this job. We'll generate a starting RAMS with the right hazards, control measures and PPE. Then you can edit any field to make it specific to this job before printing or saving as PDF.
How to import
Log into your bank → download transactions as CSV → paste the CSV content below → click Preview. We'll show you what we found so you can review before importing. Works with Lloyds, Barclays, NatWest, Halifax, Monzo, Starling, HSBC.
Download backup: saves a complete JSON file of all your data — keep one in Dropbox, Google Drive, etc as belt-and-braces.
CSV: spreadsheet format — accountants who use Xero, QuickBooks or Sage can import directly.
Email: opens your email app with a pre-written message and attached files (PDF + CSVs).
Recurring job
Done — send it back
Back from the crew
My roofing materials
New kit
Enter job details to see your quote
Happy with the price? Send straight to a quote or invoice — or save it as a common job to reuse.
How saved prices work
Save prices you charge regularly — call-out fees, hourly rates, common jobs, fixed-price services. Then drop them straight into a quote or invoice with one tap. No more typing the same line items every time.