Guides
Plain answers about filing for a UK limited company: what’s due, when, and what happens if it’s late. Every fact is checked against GOV.UK and the law, and each guide shows the day it was last checked.
Every year
The filings every UK limited company owes each year, when they are due and what each one involves: accounts, the CT600, the confirmation statement.
When are company accounts due? Every limited company deadline, explainedAccounts are due 9 months after the year end, Corporation Tax 9 months and 1 day after, the CT600 after 12 months. Worked examples and a free checker.The confirmation statement: what it confirms, the £50 fee, and what happens if it’s lateEvery company confirms its details to Companies House at least once a year. The £50 fee, the 14-day deadline, what it confirms and directors’ personal codes.Dormant companies: what counts as dormant, what you still file, and what to tell HMRCDormant means different things to Companies House and HMRC. What breaks dormancy, what you still file every year, and when a CT600 is needed.HMRC’s free company filing service (CATO) has closed: how to file your company tax return nowHMRC’s free “File your accounts and Company Tax Return” service closed on 31 March 2026. What you need now, what to check in software, and your first return.Director’s loan accounts and s455 tax: the rules, and the 35.75% rate from April 2026A director’s loan still owed 9 months after the year end costs the company s455 tax: 35.75% for loans made from 6 April 2026. Worked examples and a calculator.What a community interest company files every year: accounts, the CIC34 report and the £15 feeA CIC files the same accounts as any company, plus a CIC34 community interest company report and a £15 fee. What to write in each part, with an example.
When something changes
Directors, people with significant control, identity verification and personal codes: what you must tell Companies House, and how fast.
Companies House identity verification: what every director must do, and by whenEvery director and PSC must verify their identity with Companies House. Your deadline is your company’s next confirmation statement. How to verify, free.Your Companies House personal code: where to find it, and what to do if it’s lost or not workingYour personal code is the 11-character code you get after verifying your identity. Where to find it, how to get it back, and why it might not work.
Closing down
The ways to close a UK limited company, what each costs and takes, and what to sort out before you apply.
Also useful
- Glossary · the terms, defined in a sentence or two
- Free tools · deadlines, dormancy, strike-off risk, Corporation Tax, s455 and penalties, worked out
- How we write and check these guides