BlackpeakCFO™ Bookkeeping & finance systems
FREE · NO SIGN-UP · INSTANT RESULTS

Free Financial
Tools

No sign-up needed to get your answers.
Built by Stuart Wilson, ACMA CGMA, for UK business owners.

3 Free tools
60s Average Time
£0 Always Free

Available Tools

For UK contractors & builders

Construction Margin Fade Calculator

See where a job's margin is slipping between the price you tendered and the final account. Enter the contract value, costs to date and percentage complete to get a projected final cost and margin, with an optional breakdown by cost category.

  • Takes 60 seconds
  • Instant results
Try the Margin Calculator

For limited company directors

UK Salary vs Dividend Calculator 2026/27

Compare salary and dividend mixes for a one-person UK limited company in the 2026/27 tax year, and see how much each option leaves you after tax.

  • 2026/27 tax year
  • Instant results
Try the Salary vs Dividend Calculator

For sole traders & landlords

MTD ITSA Readiness Survey

A short, anonymous survey on how ready you are for Making Tax Digital for Income Tax. It takes about 90 seconds and the answers feed a published readiness report.

  • Anonymous
  • About 90 seconds
Take the Survey

Need More Than a Calculator?

If a big decision is riding on numbers you are not sure of, send your details. Stuart replies by email within one business day with what he would look at first.

Send My Details