Free
VAT Calculator
Add or remove VAT, including Flat Rate Scheme estimates.
Open calculator →Free UK calculators for freelancers & contractors
Fast, accurate tools. No signup. No nonsense.
Free
Mileage Calculator
Claim HMRC-approved mileage rates for business travel.
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Free
Invoice Generator
Create simple, professional invoices you can download or print.
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Free
Day Rate Calculator
Convert your day rate to an equivalent salary — or find the rate you need. Shows gross and estimated take-home.
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Free
IR35 Calculator
Compare take-home inside vs outside IR35. Ltd company, umbrella and PAYE side by side — see exactly what each scenario means for your pay.
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Free
Ltd vs Sole Trader
Compare take-home pay as a limited company vs sole trader. See exactly where a limited company becomes more tax efficient for your income level.
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Free
Self-Assessment
Estimate your self-assessment tax bill. Enter your employment income, PAYE deductions and pension contributions to see what you owe — or if you're due a refund.
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Free
Dividend Calculator
Find the optimal salary and dividend split for your limited company. Full breakdown of corporation tax, income tax, NI and dividend tax.
Open calculator →Guides & Resources
Plain-English guides to UK tax, self-assessment and contractor finance.
Free
Self-Assessment First-Timer's Guide
Who needs to file, key deadlines and how to avoid the mistakes that catch most first-timers.
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Free
Sole Trader vs Limited Company
Tax differences, admin burden and the income level at which a limited company becomes more efficient.
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Free
How to Pay Yourself as a Director
Optimal salary, dividend strategy and full tax calculations for 2026/27.
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Free
UK Freelancer Expenses Guide
What you can and can't claim — office costs, travel, equipment, entertainment and pension contributions.
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Free
IR35 Rules Explained
What IR35 is, how status is determined, inside vs outside take-home, and what to do if you disagree with a determination.
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Free
How to Invoice as a Freelancer
What to include on a UK invoice, VAT requirements, payment terms and your rights when clients don't pay.
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Free
UK Contractor Day Rate Guide
How to calculate the rate you need, market rates by sector, negotiation tips and how IR35 affects your take-home.
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Free
Making Tax Digital for Freelancers
MTD for Income Tax starts April 2026 for sole traders above £50,000. Who is affected, what software you need and how to prepare.
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Free
VAT Flat Rate Scheme Guide
How the flat rate scheme works, whether it saves you money, and the limited cost trader trap most IT contractors fall into.
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Free
UK Tax Rates & Allowances 2026/27
Complete reference guide — income tax bands, NI thresholds, dividend tax, corporation tax and all key allowances for 2026/27.
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Free
How to Register as Self-Employed
Step-by-step guide to registering with HMRC — when to register, what you need and what happens after registration.
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Free
National Insurance for Freelancers
Class 4 NI rates, when you pay, State Pension implications and how it compares to employed National Insurance.
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Free
UK Dividend Tax Guide 2026/27
Dividend tax rates, the £500 allowance, how dividends are taxed alongside other income and how to pay through Self Assessment.
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Free
Corporation Tax — Small Business Guide
Corporation tax rates, deadlines, allowable deductions and how to reduce your bill as a limited company director.
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Free
How to Set Up a Limited Company
Step-by-step guide to forming a limited company — Companies House, bank accounts, HMRC registration and ongoing obligations.
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✓ Updated for 2026/27 tax year