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UK small business, explained

Start it. Run it.
Understand it.

ReturnDeck is the practical UK business hub for beginners and growing owners: plain-English guides, tax and VAT practice, useful tools, and local help when you want a professional.

I’m starting a business →I’m already running one →
LEARNLearn the basicsTax, VAT, bookkeeping, invoices, expenses, hiring and the things nobody explains when you start.Open guide → PRACTISEPractise the returnsUse working CT600, VAT and Self Assessment exercises with live validation and worked solutions.Open guide → FINDFind business helpAccountants, bookkeepers, virtual offices, company formation, payroll and more — including local results.Open guide →
NEW TO BUSINESS?

Tell us what you’re trying to do.

Start with the beginner roadmap. We put registration, banking, bookkeeping, tax, VAT and professional help into a sensible order.

Start the roadmap →
Learn by doing

Tax stops being mysterious when you can practise it.

Corporation Tax
CT600
Trading profit, add-backs, capital allowances, tax rates and marginal relief.
Practise CT600 →
Value Added Tax
VAT return
Work through the VAT boxes and understand output tax, input tax and what you owe.
Practise VAT →
Income Tax
Self Assessment
Understand income, allowances and the basic, higher and additional tax bands.
Practise SA →
Practical UK business guidance · Practice tools are educational, not tax advice
Accounting software guide →