Your Company's First Year? Here's Why You Probably Need Two Tax Returns
Almost every new company's first accounting period exceeds 12 months, meaning HMRC requires two separate CT600 returns. Here's how it works and how Taxpipe makes it easy.
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Plain-English guides to UK Corporation Tax and CT600 filing.
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How to Fill in Your Company Balance Sheet: A Complete Guide with Examples
A plain-English guide to filling in your company balance sheet for Companies House filing. Covers micro-entity and dormant companies with real examples and what each field means.
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.
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.
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
If HMRC has asked your dormant company for a return, you still need to file a CT600. 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.
What Happens If You Miss Your CT600 Filing Deadline?
Late CT600 filing penalties explained: from 1 April 2026, £200 on day one and £400 at 3 months — doubled from previous rates. Plus 10% tax-geared penalties and 7.75% late payment interest. How to minimise the damage.
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.