To help reduce your tax bill, you can offset many of your business expenses against your business income. You'll need to keep good records and hold on to your receipts.
Business expenses can include:
vehicle expenses, transport costs and travel for business purposes
rent paid on business premises
depreciation on items like computers and office furniture
interest on borrowing money for the business
some insurance premiums
work-related journals and magazines
membership of professional associations
home office expenses
work-related mobile phones and phone bills
stationery
work uniforms
tax agent’s fees.