Clear guidance on contractor tax, IR35 and compliance.
Explore practical guides covering IR35, off-payroll working, Corporation Tax, VAT, dividends, National Insurance, HMRC forms and contractor compliance considerations.
Browse IR35, tax and legal articles
Use these guides to understand important contractor tax areas, IR35 status risks, HMRC forms, business taxes and compliance topics.
IR35 explainer guide
Understand what IR35 is, why it matters to limited company contractors, and how the rules can affect your tax status and take-home pay.
IR35 reforms: a comprehensive analysis of off-payroll changes
Read an in-depth analysis of IR35 reforms and the impact of off-payroll working rules on UK contractors, clients and agencies.
P85 Income Tax leaving the UK: getting your tax right
Learn what the P85 form is, when you may need to submit it to HMRC, and how it applies if you are leaving the UK or working abroad.
What is Corporation Tax and how is it calculated?
Understand the basics of Corporation Tax, how it is calculated, and how company profits can affect the tax your limited company may owe.
How to register for VAT in the UK?
A practical guide to VAT registration, when a business may need to register, and what obligations come with becoming VAT registered.
How dividends are taxed in the UK
Learn how dividend tax works in the UK, including how dividends are treated for limited company directors and shareholders.
How is National Insurance calculated in the UK?
Understand how National Insurance contributions are calculated and how they can affect employees, employers and contractor pay calculations.
How to protect your IR35 status
Learn practical steps contractors can take to protect their IR35 position, reduce risk and improve working arrangement evidence.
How to use these IR35 and tax guides
Start with the topic that matches your current concern. IR35 and off-payroll guides are useful for contract status questions, while tax guides help with business and personal tax basics.
Need to check IR35 status indicators?
Use our IR35 status checker and determination tool to review key working arrangement indicators and build a more structured view.