What expenses can I put through my Limited Company?

If your contract is caught by private sector IR35 then the only expenses claimable before calculation of the deemed salary are:-

• 5% of net sales
• Travel and accommodation expenses
• Pension contributions
• Certain professional subscriptions
• You should, however, still record all business expenses incurred so that you may see the true cost of running your company.

Some of the more common expenses are:-

• Company formation
• Accountancy fees
• Business travel and accommodation
• Postage for business
• Stationery for business
• Business telephone calls
• Mobile telephone and calls
• Salaries
• Employer's N.I. contributions
• Contributions to an executive pension plan
• Business entertainment
• Equipment purchased for business purposes
• Motoring expenses using fixed rate allowances
• Computer software
• Technical books and journals
• Certain professional subscriptions
• Use of home as office
• Company bank charges and interest more!

Find out more about these different types of contractor expenses here. 

Further reading: Contractor UK's Guides to Contractor Expenses and Tax deductible expenses for IT contractors.