Learn UK tax. Understand the forms. Then practise it.
A structured learning path for UK business and personal tax: clear lessons, 1,139 mapped return fields, worked examples, calculators and full fictional return practice.
Choose what you want to learn
Organised from foundations through filing and advanced return work.
Corporation Tax & CT600
Understand the company tax computation, CT600 structure, supplementary pages and how figures flow from accounts into the return.
Start learning →VAT
Learn registration, tax points, output and input VAT, adjustments, schemes and exactly how Boxes 1–9 work.
Start learning →Self Assessment
Learn SA100, income sources, allowances, supplementary pages, payments and how the personal tax calculation fits together.
Start learning →PAYE & Payroll
Learn employer registration, payroll records, PAYE, employee and employer National Insurance, RTI and year-end duties.
Start learning →Construction Industry Scheme
Understand contractor and subcontractor status, verification, deductions, monthly returns and records.
Start learning →Making Tax Digital
Understand digital records, compatible software, VAT requirements and MTD for Income Tax.
Start learning →Capital Gains Tax
Learn disposals, allowable costs, gains and losses, exemptions, reliefs and reporting routes.
Start learning →Business Structures
Compare sole trader, partnership and limited company tax responsibilities before choosing a route.
Start learning →Starting a UK Business
Work from structure and registration through records, tax registrations, payroll, VAT and first filing obligations.
Start learning →Records & Compliance
Learn what records support returns, how long records matter, deadlines, corrections, enquiries and common compliance failures.
Start learning →1,139 UK return fields explained
CT600 and supplementary pages, VAT Boxes 1–9, SA100 and mapped Self Assessment supplementary pages. Move from a field explanation straight into the relevant lesson, calculation or practice return.
Open Field & Code Explorer →Learn → calculate → complete the return
CT600 Practice
Use case files and source documents to complete a fictional company return.
Practise CT600 →VAT Return Practice
Classify transactions, calculate VAT and complete Boxes 1–9.
Practise VAT →Self Assessment Practice
Work through SA100 and the relevant supplementary pages.
Practise Self Assessment →