How to reduce your corporation tax bill legally

Step 1: Claim every allowable cost

Make sure genuine business costs are all captured — many companies miss small, legitimate expenses that add up. A clean chart of accounts and good bookkeeping ensure nothing deductible is left out of the taxable profit.

Step 2: Maximise capital allowances

Use the Annual Investment Allowance and full expensing on qualifying equipment for immediate 100% relief. Timing a purchase before year end can pull a large deduction into the current year — see capital allowances.

Step 3: Use the reliefs you qualify for

Innovative companies should check R&D tax relief; loss-making periods should be planned with loss relief. Employer pension contributions are a deductible, efficient way to extract value. Each is legitimate when genuine.

Step 4: Time income and spend sensibly

Bringing forward deductible spend or deferring income across a year end can shift profit between tax years — useful around the £50,000 and £250,000 rate bands where marginal relief bites. This is timing, not avoidance.

Step 5: Stay the right side of the line

All of the above is legitimate tax planning. Contrived, artificial schemes are avoidance and carry real risk. A good accountant keeps you efficient and safe. Reinvesting the tax saved — funded, where needed, by finance — compounds the benefit.

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