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
ContractorCalculator survey reveals that umbrella company market issues have worsened
ContractorCalculator contractor survey to help shape fairer IR35 rules and umbrella company regulation
HMRC's enforcement of MSC rules faces growing MP scrutiny as tribunal hearings approach
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
Computer Weekly
Umbrella companies not working for IT contractors, survey finds
Survey reveals that contractors are forced to use umbrellas or opt out altogether, while tax compliance remains deeply uncertain, with late payments and payslip inaccuracy rife.
The Freelance Informer
IR35 & Umbrella Survey highlights that the market for “Outside IR35” work remains robust; however, those contractors operating via intermediaries face a compliance environment ill-equipped for the future of work.
The Global Recruiter
Survey Reveals Concerns over Umbrella Company Practices
A survey of over 700 contractors has found significant concerns about the impact of IR35 reforms, the role of umbrella companies, and ongoing transparency issues across the UK’s flexible workforce sector.
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.
