UK Corporation Tax Explained: The 2025 Business Owner's Guide: Everything UK Companies Need to Know

UK Corporation Tax Explained: The 2025 Business Owner's Guide
By Grace Bartley, BSc (Hons), ACCA

Corporation Tax doesn't have to be overwhelming - and it certainly shouldn't be expensive when you know how to plan ahead.

In this practical, jargon-free guide, Chartered Certified Accountant and property tax strategist Grace Bartley breaks down everything UK companies need to know about Corporation Tax in 2025 - whether you're running a limited company, managing a property portfolio, or scaling an SPV group.

From understanding marginal relief and director remuneration to unlocking capital allowances and group tax relief, this guide gives you the exact tools, tips, and strategies to save money, stay compliant, and extract profit efficiently.

Inside, you'll learn how to:
✅ Navigate the 2025 Corporation Tax rates and thresholds
✅ Legally reduce your tax bill with allowances and reliefs
✅ Structure salaries vs dividends for directors
✅ Maximise capital allowances and R&D claims
✅ Handle CT600 filings, deadlines, and recordkeeping
✅ Plan efficiently for property companies, ATED, and SDLT
✅ Avoid costly penalties and surprise tax bills

Backed by real-world examples, compliance tips, and expert insights, this guide is the essential roadmap for UK business owners who want to pay less tax - legally and confidently.

Whether you're a seasoned landlord or a first-time director, this is your ultimate resource for tax-smart business planning in 2025 and beyond.