Corporation Tax & Company Accounts for Limited Companies
At DBM Accountancy, we provide expert corporation tax services for limited companies in Romford, London, and across the UK. As Chartered Certified Accountants, we handle everything from calculating your tax liability to preparing and filing your Company Tax Return (CT600) with HMRC. We ensure full compliance while maximising reliefs and allowances to minimise your tax bill.
With corporation tax rates stable into 2026, we help you navigate the system efficiently using cloud tools like Xero or QuickBooks.
Standard Corporation Tax
This applies to most UK limited companies on their taxable profits.
Rates as of 2026:
- Small profits rate: 19% (profits up to £50,000)
- Main rate: 25% (profits over £250,000)
- Marginal relief applies between £50,000 – £250,000
We optimise deductions, capital allowances, and loss relief.
Marginal Relief
A tapered rate for companies with profits between £50,000 and £250,000.
We handle the calculations and advise on profit timing, director remuneration, and pension contributions to reduce your effective tax rate.
Special Regimes & Reliefs
Enhanced reliefs for innovative or sector-specific companies:
- R&D Tax Relief – up to 186% deduction
- Patent Box – 10% effective rate
- Creative Industries Tax Reliefs
We identify eligible projects and prepare claims to reduce your tax bill significantly.
Benefits of Our Corporation Tax Service:
- Full preparation of CT600 and all necessary supplements
- Tax optimisation through reliefs and allowances
- Compliance with Companies House for statutory accounts
- Unlimited access to your dedicated accountant