The UK's leading contracting site. Trusted by the contractor market for 25 years.
See how much you can earn contracting
- What is your net income after taxes?
- What rate will earn your desired income?
- What rate earns the same as permanent?
Contractors
Enter your hourly rate & find out more:
Permanent Employees
Enter your gross salary & find out more:
Contractor insurances
Income protection, life and health insurances.
Contracting guides
Need to know how to be a contractor? We've got you covered.
News
Stay up-to-date with the latest industry and contracting news.
Popular Calculators
How much do you want to earn? We'll tell you how
Enter your target annual income and let contractor calculator work out how you can achieve it:
Quick Calculator Finder
Can't find the contractor calculator you're looking for? Try using the finder below
Dave's blog
Dave Chaplin is a former IT contractor, founder and CEO of ContractorCalculator, and author of the Contractors' Handbook and Beat IR35.
Umbrella Tax Legislation: The Due-Diligence Illusion
The umbrella tax legislation introduces a structural shift in how tax risk is allocated across the labour supply chain.
Don't rely on the Conservatives to fix IR35
The Conservatives broke IR35, fixed it badly, and now promise to fix it again. Contractors shouldn’t trust them to get it right.
Contractor Latest
The umbrella tax legislation introduces a structural shift in how tax risk is allocated across the labour supply chain.
The Make Work Pay consultation proposes reforms to agency and umbrella regulation, focusing on worker security, pay transparency and genuine choice.
Umbrella legislation targeting £1bn of tax avoidance to proceed from April 2026, making agencies pay for lost tax.
Guides
Latest
How contactors can plan ahead to financially protect their families
Ask yourself this: If something happened to you tomorrow, would your family be okay financially?
Popular guides
Quick guide finder
Can't find the guide you're looking for? Search for guides here.
Contractor Solutions
Other Contracting News
Upcoming changes due to the Employment Rights Act 2025
Questions linger over liability, compliance, historic risk and market alternatives as HMRC action and consolidation loom.
The government has published updated guidance on umbrella companies, introducing new rules on joint and several liability within labour supply chains.
MPs have rejected amendments to the Employment Rights Bill tabled by the House of Lords
Business insurance
Financial services
Income Protection
- Income when too ill to work
- Premiums are tax deductible
- Work with peace of mind
Recent Media Coverage
FT Adviser
Joint and several liability rules redefine who really carries PAYE risk
From 6 April 2026, new UK umbrella company tax rules introducing Joint and Several Liability will fundamentally change payroll risk across the labour supply chain.
The Global Recruiter
Recruiters Must Prepare to Make Work Pay
Recruiters cannot ignore the implications of the Government’s aim to modernise agency work as part of its Make Work Pay plans.
The Freelance Informer
Can Rupert Lowe’s Restore Britain actually fix IR35?
Restore Britain, led by MP Rupert Lowe, has pledged to scrap IR35 should the party get into power.
Computer Weekly
Post Office offered bailout to cover £104.4m IR35 tax bill linked to Horizon IT scandal
The Department for Business and Trade has offered to pay £104.4m to HMRC to cover the cost of historic IR35-related assessment errors made by the Post Office while employing contractors to assist with its handling of the Horizon IT scandal, it has emerged.
Financial Times
How the UK tax system rewards going solo
Latest levy and legislative changes threaten to fuel a fresh shift towards off-payroll work argue some experts.
