We have designed a series of contractor calculators to help you calculate your tax liabilities.
The tools incorporate a range of factors, including IR35 and whether you work via your own limited company or an umbrella company.
They are based on MS Excel spreadsheets we use ourselves – and converted into web applications. Our ACA-qualified accountants have verified all calculations.
Salary and Dividend Tax Calculators
How much tax will you pay according to different levels of salary and dividends?
Typically, limited company owners remunerate themselves with lower salaries than ‘workers’ and draw down the remainder of their income as dividends.
- Dividend Tax Calculator (2024/25)
- 2023/24 Dividend Tax Calculator
- 2022/23 Dividend Tax Calculator
- 2021/22 Dividend Tax Calculator
IR35 Calculator
How your take home pay is affected if your contract work is caught by the Intermediaries Legislation (IR35). This calculator compares your net take home pay between inside and outside-IR35 scenarios.
- Inside vs. Outside IR35 Calculator (2024/25)
Umbrella Company Net Take Home Pay Calculator
If you work via an umbrella company, there are a large number of deductions to take into account before you receive your net take home pay. It’s important to make sure that the deductions made are legitimate.
Umbrella vs. Limited Calculator
Compare your take-home pay levels according to the business structure you choose. What percentage of your contract income goes to the taxman?
- Umbrella vs. Limited Tax Calculator (2024/25)
Limited Company Profit Calculator
How much money does your company make, after allowing for expenses and Corporation Tax? The remaining ‘retained profit’ can be legitimately distributed to shareholders.
- Limited Company Tax Calculator (2024/25)
Corporation Tax Calculator
Work out how much CT your company will pay on its profits.
- Corporation Tax Calculator (2024/25)
Sole Trader (Self Employed) Tax Calculator
Work out how much Income Tax and National Insurance Contributions (NICs) you pay on your sole trader profits.
- Self Employed Tax Calculator (2024/25)
Value Added Tax – VAT Calculator
Use this simple calculator to work out VAT-inclusive and VAT-exclusive sums – 20%, 5% or zero rates.
Contractor Mortgage Calculator – How much can you borrow?
Most lenders use a similar a similar formula to work out how much you can borrow as contractors – based on your daily rate and a fixed multiple.
Mortgage Repayment Calculator
Work out how much your monthly payments are, and the lifetime cost of a loan – for repayment and interest-only mortgages.
Relevant Life Insurance Calculator
If you pay for life cover via your limited company vs. paying personally out of post-tax income, you can benefit from tax savings of up to 50%.
- Relevant Life Calculator (2024/5)