22 UK Business
Calculators
Every number you need to run a UK business — tax, payroll, margins, cash flow, and more. All using 2026/27 rates. No sign-up required.
Business Viability Calculator
Test whether your idea can generate sustainable profit with full cost breakdown
Ready to put these numbers into action? Open a free business bank account and apply for a business credit card to keep your finances organised from day one.
Get 7,500 free points (worth £75) on your first transaction. No annual fee. Instant decision.
Affiliate disclosure: we may earn a commission via our links. This does not affect our editorial independence.
Browse by Business Stage
The two financial tools every
UK business needs from day one.
Exclusive codes for our readers — get up to £200 free cash on your business bank account and 7,500 bonus points on your business credit card.
Open a free Tide business bank account in under 5 minutes. Get £75 free when you spend £100 in your first 30 days — plus an extra £125 if you save £5,000 with Tide.
Use code REFER200 at signup · T&Cs apply
Apply for a Capital on Tap business credit card and get 7,500 free points (worth £75 cashback or 7,500 Avios) when you make your first transaction. No annual fee. Instant decision.
Use code SETTINGUP at signup · T&Cs apply
Affiliate disclosure: we may earn a commission if you apply via our links. This does not affect our editorial recommendations. Always read the full terms before applying.