Corporation tax for limited companies
ABLM prepares your corporation tax computation, completes and submits the company tax return, and helps if HMRC raise an enquiry. The team includes a Chartered Tax Adviser.
Does my company have to pay corporation tax?
Yes. A limited company pays corporation tax on its taxable profits, whether or not it has paid you a salary or dividends. Since 1 April 2023 the rate depends on how large those profits are.
- Small profits rate: 19%
- Taxable profits up to £50,000
- Main rate: 25%
- Taxable profits over £250,000
- Between £50,000 and £250,000
- Overall rate between 19% and 25%, after marginal relief
Source: GOV.UK corporation tax rates, checked 8 October 2026. The limits can be lower where a company has associated companies or an accounting period shorter than 12 months.
What ABLM does
- Corporation tax computations for your company
- Completion and submission of the company tax return
- Help with HMRC enquiries, so you are not dealing with them alone
- A view of your position during the year, so there is still time to act
Can I reduce the tax my company pays?
Corporation tax is charged on taxable profit: the company’s profit after allowable business expenses and reliefs. Reducing the bill legitimately starts with recording every allowable cost, and with deciding how profit is taken out of the company. Both are far easier to influence before the year end than after it, which is why we look at them through the year. For wider decisions, see tax planning.
Key dates
- Pay the corporation tax
- Usually 9 months and 1 day after your accounting period ends, for companies on the normal payment rules
- File the company tax return
- 12 months after your accounting period ends
The payment date is for companies on normal payment rules. Large and very large companies pay in instalments, on different dates.
Rules from GOV.UK, checked 8 October 2026. Rules and thresholds change, so we confirm the current position for your business.
Our corporation tax calculator shows the effect of marginal relief on a single company with a full 12-month period. It is a guide, not advice on your own position.
Who will deal with it?
- Lisa JonesATTATT qualified with 20 years in practice, across accounts, self assessment, corporation tax, payroll and VAT.
- Aaron BurtonFCCA CTAFounder. Extensive expertise across diverse businesses, specialising in tax restructuring.
Where we work
ABLM is based in Peterborough. We work with small businesses and limited companies in Peterborough, Wisbech and the Fenland area, Whittlesey, Chatteris and March, and with owner-managed and family-run businesses across England, including many clients in London. You stay in touch with the team through Teams, phone and email, with face-to-face meetings available if you prefer.
Speak to the team.
Tell us about the business. There is no obligation, and the quote is free.