Expert insights
for UK directors
Guides, updates, and deep-dives on CT600 returns, Companies House compliance, and UK corporate tax.
Introducing Tax Adjustments: Smarter CT600 Filing with WeFile
Use WeFile Tax Adjustments to handle capital allowances, depreciation add-backs, trading losses and Corporation Tax calculations.
Introducing Filing Amendments: Correct Your CT600 and Companies House Returns with Ease
Correct and resubmit a previously filed CT600 or Companies House return in WeFile without rebuilding the filing from scratch.
Introducing Team Management: Collaborate on Company Filings with Your Team
Invite colleagues to WeFile, assign admin, editor or viewer roles, and collaborate securely on CT600 and Companies House filings.
Introducing the WeFile Developer API: Automate CT600 and Companies House Filings at Scale
Learn how the WeFile REST API supports programmatic Corporation Tax and Companies House filing, including access, pricing and integration.
How to Import Your Xero, QuickBooks & FreeAgent Data into WeFile
Connect Xero, QuickBooks Online or FreeAgent to WeFile and import trial balance data into your CT600 Profit & Loss and Balance Sheet.
How WeFile Detects and Lets You Choose Your Account Type
See how WeFile recommends Micro-Entity or Total Exemption Full accounts from your figures, and when you can override the choice.
How to Fill in the Balance Sheet & Profit and Loss Reports on WeFile
Complete your Profit & Loss account and Balance Sheet in WeFile with field-by-field guidance, practical examples and filing tips.
HMRC Free CT600 Filing Tool Closed: What UK Companies Must Do Now
The joint HMRC and Companies House filing service closed on 31 March 2026. Learn which compliant CT600 filing routes remain.
Dormant Company Accounts: Everything You Need to Know in 2026
Is your company dormant? See exactly what to file with Companies House and HMRC in 2026, the deadlines and penalties, and the mistakes that cost directors money.