Corporation Tax Memo 2025-2026

In a fast-changing tax landscape, staying informed isn’t just smart - it’s essential. Whether you're advising clients or managing your own business, this invaluable Memo is your go-to resource for understanding and applying UK corporation tax rules with precision. Packed with expert insights and practical guidance, this newly updated edition helps you cut through complexity and make confident decisions.

Corporation Tax Memo is designed for professionals who demand clarity, efficiency and results. It empowers you to maximise tax efficiency by structuring business activities strategically - turning complexity into opportunity. With up-to-date legislation, case law, HMRC Briefs, and official guidance, you’ll stay compliant and informed no matter how the rules evolve.

Its intuitive format makes it easy to find answers fast, saving you valuable time. Whether you're deep in advisory work or handling day-to-day operations, this guide helps you advise with authority and act with confidence. Practical explanations of even the most nuanced scenarios reduce risk and ensure you're always one step ahead.

This comprehensive reference covers every major aspect of UK corporation tax, including:

• Scope and applicability
• Business activities and chargeable profits
• Asset holdings and losses
• Tax charge calculations
• Compliance and enforcement
• Starting or ceasing a company
• Groups, consortia, and cross-border issues
• Each section is crafted to deliver clarity and actionable insight, making it an indispensable tool for accountants, tax advisors, and business owners alike.

What’s new for 2025–2026?

This edition reflects the latest developments and legislative changes, including:

• The abolition of the furnished holiday lettings regime
• A new section on umbrella companies
• Updated guidance on loan write-offs
• Changes to the tax rules on vehicles
• A reworked R&D section with all recent updates
• Key developments in discovery assessments
• The latest insights on Making Tax Digital implementation