Founder tools,
free to use.
Quick, accurate calculators for the questions that come up when you're running a UK limited company. No login, no email wall.
SIC Code Finder
Describe your business in plain English and get the most likely SIC code(s) — with what each means for tax and Companies House.
Open tool→Business Account Finder
Answer three quick questions and get UK business accounts ranked for how well they fit — with the reasons spelled out.
Open tool→Pay Yourself Calculator
The most tax-efficient salary and dividend split for a UK director — with your take-home worked out in real time.
Open tool→Sole Trader or Limited Company?
Five questions on investment, liability, hiring and profit — then a straight answer on which structure fits, with the numbers behind it.
Open tool→Company Name Checker
Check a name across Companies House, domains, social handles and trademarks — before you fall in love with it.
Not available yetFounder Readiness Score
A short quiz that scores how ready you are to start — and hands you a personalised next-three-steps plan.
Not available yet