Corporation Tax Accountants
Expert CT600 Filing & Strategic Corporation Tax Planning
Stop overpaying HMRC. Work with experienced Corporation Tax accountants who ensure full compliance while maximising your company’s post-tax profits.
Smarter Corporation Tax Management for Limited Companies
Corporation Tax is one of the largest financial obligations for UK limited companies.
Between shifting tax rates, complex CT600 rules, iXBRL filing requirements, and strict HMRC deadlines, mistakes can be expensive.
At Protax Consultants, we provide specialist Corporation Tax services, handling your CT600 filing accurately while proactively reducing your tax liability through structured planning.
We don’t just submit returns, we optimise them.
Why Choose Our Corporation Tax Accountants?
ACCA Regulated Expertise
We operate under full ACCA regulation, ensuring technical accuracy and ethical compliance.
Proactive Tax Planning
We review your structure before year-end to reduce your effective tax rate.
Deadline Protection
Automated reminders for payment and filing deadlines, no missed submissions.
Specialist CT600 & iXBRL Filing
Fully compliant digital filing meeting HMRC technical standards.
HMRC Support
If HMRC opens an enquiry or you require a Time to Pay arrangement, we manage negotiations professionally.
Our Corporation Tax Services
We provide complete corporate tax support for UK limited companies.
1. Statutory Accounts & CT600 Filing
We prepare:
- Year-end statutory accounts
- Corporation Tax computations
- CT600 submission
- iXBRL tagged accounts
All figures are reconciled and reviewed to minimise the risk of enquiry.
2. Strategic Tax Minimisation
We identify all legitimate reliefs available to your company, including:
- Capital Allowances (AIA)
- R&D Tax Credits
- Loss Relief (carry forward/back)
- Employer pension contributions
- Tax-efficient director remuneration planning
Our focus is on reducing your effective Corporation Tax rate, legally and sustainably.
3. Making Tax Digital (MTD) Readiness
HMRC is moving towards full digital integration.
We ensure your bookkeeping system (Xero, QuickBooks, etc.) aligns with evolving MTD requirements and future compliance standards.
Industries We Support
Tech & SaaS Startups
R&D claims, Seed investment structuring, growth planning.
Professional Service Firms
Payroll, director salary/dividend optimisation.
E-commerce & Retail
Inventory valuation, VAT alignment, and cash flow management.
Property Investment Companies
Property Investment Companies: Portfolio structuring, SPVs, Capital Gains strategy.
Current UK Corporation Tax Rates (2024–2026)
| Taxable Profit | Rate | Strategic Focus |
| Up to £50,000 | 19% (Small Profits Rate) | Protect small business growth |
| £50,001–£250,000 | Marginal Relief | Reduce the effective rate |
| Over £250,000 | 25% (Main Rate) | Maximise reliefs & planning |
How Our Corporation Tax Service Works
Initial Review
We assess your accounts and identify immediate tax-saving opportunities.
Data Integration
We synchronise with your bookkeeping software or organise your records.
Tax Calculation & Filing
We compute your liability, apply reliefs, and file your CT600 well before the deadline.
Forward Planning
We provide structured advice to reduce next year’s tax exposure.
Frequently Asked Questions – Corporation Tax
Protect Your Company’s Profits
Partner with experienced Corporation Tax accountants who focus on accuracy, efficiency, and proactive strategy.