Limited Company Director Salary 2025-26 — The Optimal Amount to Pay Yourself
What salary should a limited company director take in 2025-26? We break down the optimal salary level to minimise tax, including NI thresholds and corporation tax impact.
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Plain-English guides to UK Corporation Tax and CT600 filing.
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CT600 Box by Box — The Most Important Boxes Explained
The CT600 has over 200 boxes but most companies only use a fraction. Here are the key boxes you need to know, what goes in each one, and common mistakes to avoid.
CT600 Box by Box — Which Boxes Do I Actually Need to Fill In?
The CT600 has 200+ boxes but most companies only need about 30. Here's exactly which boxes matter for your company type — micro-entity, small, or dormant.
CT600 Marginal Relief Explained — How to Calculate Corporation Tax 2024-25
Marginal relief reduces corporation tax for companies with profits between £50,000 and £250,000. Learn how it works, how to calculate it, and how it appears on your CT600.
Dormant Company CT600 — How to File a Nil Return
Your dormant company still needs to file a CT600 with HMRC. Here's how to file a nil return quickly and avoid penalties — even if your company did nothing all year.
CT600 Box-by-Box Guide for Small Companies (2025/26)
Plain English explanation of every CT600 box that matters for a typical small limited company. No jargon, no confusion.
Year-End Tax Planning: 7 Ways to Reduce Your Corporation Tax Before Filing
Legitimate strategies to reduce your Corporation Tax bill before your year-end. Pension contributions, capital allowances, salary timing, and more.
R&D Tax Credits for Small Companies: Save Up to 27% on Innovation Costs
How SME R&D tax relief works for small companies. Qualifying activities, how to calculate the benefit, and reporting on your CT600.
Corporation Tax for Landlords: Running a Property Company in 2025/26
Complete guide to Corporation Tax for property investment companies. Buy-to-let through a limited company, allowable expenses, mortgage interest relief, and CT600 filing.
Changing Your Company Year End: CT600 & Tax Implications
How changing your accounting reference date affects your CT600 filing. Short periods, HMRC notification, and tax planning opportunities.
Best CT600 Filing Software UK 2026: Complete Comparison Guide
Comprehensive comparison of all CT600 filing software options in the UK for 2026. Features, pricing, pros and cons of every HMRC-recognised option.
What Is a UTR Number? How to Find Yours for CT600 Filing
Your Unique Taxpayer Reference (UTR) explained — what it is, where to find it, how it differs from your company number, and why you need it for CT600 filing.