Calculators

For contractors & permanent employees

IR35 calculator Calculate the impact that the original IR35 legislation has on your net income.
Off-payroll calculator How do the off-payroll reforms affect me?
Contractor umbrella calculator Calculate how much pay you will take home when using an umbrella company.
More contractor calculators

Contractor calculator Calculate your annual and monthly net income from a contract.
Contracting to permanent calculator Calculate the permanent salary you need to match your contracting income.
Permanent to contracting calculator What rate earns the same as my current salary?
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For small businesses

VAT calculator Calculate both net and gross VAT amounts.
Corporation tax calculator Calculate corporation tax on company profits.
Dividend tax calculator Calculate taxes due on dividends.
Limited company calculator Calculate company profits and taxes.
More small business calculators

Other popular calculators

Mortgage assessor calculator Calculate your contractor mortgage options, including how much you could borrow.
Contractor pension calculator Calculate the benefits of diverting pre-taxed income to a pension.
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IR35

What's your IR35 status?

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IR35 Shield has products and services designed specifically for Contractors like you. Use IR35 Shield now to check your IR35 status for free.

Essential services

Life insurance Protect your family with a life insurance policy funded by your business.
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What is IR35?

IR35 is the short name used for the intermediaries legislation, which is a set of tax rules that apply to you if you work for a client through an intermediary which can be a limited company or personal service company which is how...
Read more about IR35

IR35 calculators

Inside IR35 calculator How does being inside IR35 affect me?
IR35 calculator Calculate the impact that the original IR35 legislation has on your net income.
Outside IR35 calculator How does being outside IR35 affect me?

Our top IR35 guides

Our guide to IR35 Learn the basic of the legislation and how you can avoid it.
10 reasons your contract will fail IR35 Make sure you have everything covered to protect yourself
See all of our IR35 guides

Guides & News

New to contracting?

First timers guide How to make the transition into contracting.
Contracting Agencies, renewals, finances, holidays.
Conduct Regulations What are the conduct regulations and should you opt-in or opt-out?
More contracting guides

Tax & IR35

IR35 What is IR35? How does it affect you? How do you avoid it?
UK tax codes What does your tax code mean and how does it effect how much tax you pay?
How to close your company How to close your company and extract the profits - paying only 10% tax.
Expenses What you can claim for. Travel rules, car rules, subsistence, dispensation, etc.
More tax & IR35 guides

Protection & insurance

Life insurance Protect your family with a life insurance policy funded by your business.
Contractor insurances What you need. Products. Get instant quotes online.
Income protection Protect your income against illness.
More protection & insurance guides

Top news

Have You Been Denied Holiday Pay? …Worked through an umbrella company and wrongly had holiday pay withheld. Claim by jo…
BREAKING: Atholl House - Kaye Adam…In the fourth IR35 appeal by Atholl House Productions Limited involving broadcaster …
View all news

Contractor Services

Contractor insurance

Life insurance Protect your family with a life insurance policy funded by your business.
What cover do you need? As a contractor you don't get the benefits normally provided for you as a permanent employee. See what types of insurance you need for a long and successful career.
More contractor insurance products

Income protection Protect your income if you are unable to work as a result of accident or sickness.
Critical illness cover Protect yourself from the financial impact of being diagnosed with a critical illness.
Health insurance Take control of when and where you're treated, this could mean less time away from valuable contracts and income.
More contractor insurance products

Accountants & Pensions

Contractor Accountants Services Specialist contractor accounting support. No minimum contract, no set-up or leaving fees.
Pensions for contractorsInvest in a pension at the start of your contracting career.
How pensions work for contractorsLearn everything you need to know to make a contractor pension work for you.
More pensions & investments

Mortgages

Mortgage guides for contractorsSecure the same competitive interest rates as permanent employees using specialist brokers.
Mortgage assessor calculatorHow much mortgage can you get as a contractor?
Get a mortgage quoteSpeak to mortgage lenders who understand professional contracting.
More contractor mortgage advice

Business Insurance

Business insurance

What cover do you need? Protect yourself and your clients. Find out what type of cover suits your business.
Professional indemnity insurance Cover for liabilities that arise from professional advice or services you provide.
Office insurance Expenses cover to legally defend or pursue your rights, and liability insurance which protects damage to both your own and clients property or equipment.
More business insurance products

Cover for your profession

Accountants
Business consultants
Energy assessors
IT consultants
Marketing and media
Why you need insurance cover

Insurance video guides

Guide to Professional Indemnity
Guide to Public Liability Insurance
Business Insurance for IT Professionals
Guide to Small Business Insurance

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Latest Updates

Have You Been Denied Holiday Pay? Act Now to Claim What's Yours

BREAKING: Atholl House - Kaye Adams wins 9-year IR35 case against HMRC

11 tips for choosing the best contractor accountant

IR35 Court Cases: History of all cases and references to judgments

Holiday Pay Reform: New laws bring clarity for casual and part-time workers

Other Contracting News

Deliveroo’s sub clause keeps the wheels turning

Deliveroo wins case thanks to a substitution contract clause.

Sat, 25 Nov 2023 - Other

Domino’s Pizza drivers were employees, not contractors, Supreme Court rules – The Irish Times

Thirteen-year saga over tax status of delivery staff has important implications for workers in the gig economy

Sat, 21 Oct 2023 - IR35

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IR35/Off-payroll: Hunt says he is "happy to look at that again"

Sat, 25 Nov 2023

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Contractor Calculator, the UK’s authority on contracting serves a readership of over 100,000 visitors per month [see latest traffic report] made up of contractors from IT, telecoms, engineering, oil, gas, energy, and other sectors. Online since 1999, we publish thousands of articles, guides, analysis and expert commentary together with our financial tools and tax calculators.

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