Guides for UK limited companies
Plain-English guides to the Company Tax Return, Corporation Tax, annual accounts and the rest of a limited company's year. Each one lists the official pages its facts come from, and the day they were read.
Corporation Tax
The Company Tax Return (CT600) explained
What a UK limited company's Company Tax Return (CT600) is, what goes in it, how its dates work, and what happens when it is late or wrong.
5 min read
Corporation Tax rates and marginal relief
The 19% small profits rate, the 25% main rate and marginal relief between £50,000 and £250,000, with worked examples and what changes the limits.
4 min read
CT600 software: what to look for
A Company Tax Return has to be filed with commercial software. What CT600 software does, how to use HMRC's supplier list, and what to ask before you pay.
3 min read
Accounts, filing and Companies House
Filing company accounts: Companies House and HMRC
Where a UK limited company's annual accounts go, who must approve them, which dates apply, and what changes in April 2028 when accounts need software.
4 min read
A new company's first accounts and tax return
Why a new company's first accounts cover more than 12 months, why it may file two Company Tax Returns, and how the dates work, with GOV.UK's own examples.
4 min read
The confirmation statement: what it is and when
What a company's confirmation statement is, how the review period and deadline work, what to update first, and what happens if it is not filed.
3 min read
Micro-entity accounts: do you qualify?
Who counts as a micro-entity, the three limits and the two-year rule, what a micro-entity can leave out, and what every company still has to file.
2 min read
For property companies
Accounts and tax for a buy-to-let company
What a UK limited company that lets property files each year, and how this software prepares the books, Corporation Tax figures and accounts.
Bookkeeping for an HMO company
Books for a house in multiple occupation held in a limited company: licence dates, property-by-property results, and what the software leaves to you.
Filing deadlines for a UK limited company
When a private limited company files accounts, pays Corporation Tax, files its CT600 and sends its confirmation statement, and how the dates work.
Dormant company accounts: what a UK company files
What a dormant UK limited company files, what counts as dormant, why a company that lets property is not, and what this software does for one.
Corporation Tax calculator for a UK company
Estimate a UK company's Corporation Tax for an accounting period: small profits rate, main rate, marginal relief and associated companies.
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