Worked Examples
Step-by-step worked tax examples
Example: Corporation Tax Calculation with Marginal Relief
A worked example of a UK Corporation Tax calculation for 2025/26 showing taxable profit, marginal relief and the final tax due.
2 min read
Example: Self Assessment for a Sole Trader
A worked Self Assessment example for a UK sole trader in 2025/26 covering profit, Income Tax, Class 4 NI and the final tax bill.
1 min read
Example: Company Car Benefit in Kind Calculation
A side-by-side BiK calculation for a £45,000 petrol car and a £45,000 electric car, showing the dramatic difference in employee income tax and employer Class 1A NI in 2025/26.
3 min read
Example: 60-Day CGT Report on a Residential Property
A step-by-step example of reporting and paying CGT on the sale of a UK rental property within 60 days of completion, including PRR for a period of owner occupation.
3 min read
Example: CIS Deduction Calculation
A worked example showing how a contractor deducts CIS from a subcontractor's invoice that mixes labour, materials and VAT, and how it appears on the monthly CIS300 return.
3 min read
Example: Salary and Dividend Illustration for a Director
A 2025/26 worked example showing a small limited company director's tax bill at different salary/dividend mixes.
3 min read
Example: Applying CEST to an IR35 Status Decision
A practical IR35 example: a freelance developer engaged via her PSC by a fintech client. We walk through the CEST factors that determine whether the engagement is inside or outside IR35.
4 min read
Example: MTD VAT Submission Walkthrough
Step-by-step example of preparing and submitting a Making Tax Digital VAT return using accounting software.
3 min read
Example: R&D Claim Under the Merged Scheme
A worked example of an R&D claim under the merged scheme for a profitable SME developing a machine-learning fraud detection algorithm. We compute the qualifying spend, the 20% credit and the net Corporation Tax saving.
3 min read
Example: VAT Return on the Flat Rate Scheme
A worked example of a quarterly VAT return for a small UK consultancy on the Flat Rate Scheme in 2025/26.
3 min read