Corporate Tax

Expert Corporation Tax Services

CBM Accounting provides comprehensive corporation tax services for UK limited companies. We handle everything from tax planning and CT600 preparation to HMRC submissions and payment scheduling — ensuring you meet all deadlines while minimising your tax liability within the law.

Our ACCA and CIMA qualified team stays on top of every change in UK tax legislation, proactively advising you on allowances, reliefs, and planning strategies that can reduce your overall corporation tax burden.

Our Corporation Tax Services

• CT600 corporation tax return preparation and filing
• Corporation tax computation and liability calculation
• Tax planning to minimise your effective tax rate
• Capital allowances and R&D tax credit claims
• Annual Investment Allowance (AIA) optimisation
• Group relief and loss utilisation strategies
• HMRC correspondence and enquiry support
• Payment on account scheduling and management
• Close company and director loan account (S455) advice
• Dividend vs salary planning for directors

UK Corporation Tax Rates 2026/27

The main rate of corporation tax stands at 25% for companies with profits exceeding £250,000. A small profits rate of 19% applies to companies with profits under £50,000, with marginal relief available for profits between £50,000 and £250,000. Our team ensures you claim every relief and allowance available to your business.

Why Choose CBM for Corporation Tax?

We don’t just file your return — we actively work to reduce your tax bill. Our proactive tax planning approach identifies opportunities to utilise reliefs, structure your affairs efficiently, and time transactions for maximum tax benefit. Every client receives a dedicated tax advisor who understands their business inside out.