Free tools

Tools and calculators for UK founders

Free, no sign-up needed. Work out the real numbers before you commit, and check you’re actually ready to start.

Calculators

See your estimated tax under each structure, and a one-line verdict on which is better for your numbers.

The real year-one and ongoing cost of starting a business, sole trader and limited company side by side.

What a UK limited company actually costs to run, statutory fees plus the optional bits, with formation covered free.

Find the optimal split for a director and the tax due, so you keep more of what you earn.

Add or remove UK VAT from any amount instantly. See the net, gross, and VAT figures.

How much you'll actually take home after Income Tax and National Insurance.

An honest self-check: are you genuinely ready to register? Tick what's true and get a plain gap list.

A personalised, printable startup checklist scoped to your structure and situation, not a generic list.

Answer a few quick questions and we’ll build a personalised plan, with the right structure, banking and accounting, and an honest reason for each.