We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
File your Company Tax Return with HMRC, and your company accounts with Companies House
How to prepare a Company Tax Return for your limited company or unincorporated association - deadlines, corrections and penalties
Your company or association must file a Company Tax Return if you get a…
You’ll have to pay penalties if you do not file your Company Tax Return by…
You must usually make any changes (‘amendments’) within 12 months of the…
How to line up your reporting dates for accounts and Company Tax Returns at the end of your limited company's first year
When you set up your limited company, you automatically get different…
File 2 Company Tax Returns if your company started trading on the same day…
Limited companies can be ‘dormant’ for Corporation Tax between setting up…
Accounts for Companies House and Company Tax Returns for HMRC - what you must send, deadlines, filing separately or together
Find out if you can use the free online filing service to file your Company Tax Return with HMRC and accounts with Companies House.
If you don't file your return, HM Revenue and Customs (HMRC) will estimate how much Corporation Tax to pay. This is called 'determination'.
Find out about making a Company Tax Return, what you need to include and who needs to submit a return.
How to complete your CT600 Company Tax Return form and what information you need to include.
Your accounting period for Corporation Tax and Company Tax returns - financial years and accounting periods, changing accounting periods
How to file your company annual accounts with Companies House
Find out what the Corporation Tax for Agents online service is for, what you can do in the service and how to do it.
Find Companies House-recognised filing software to manage your company accounts, returns and tax accounts
Find out about paying Corporation Tax, instead of Income Tax, if you’re a non-UK resident company with UK property income.
When your company or organisation pays Corporation Tax - paying, reporting and dormant companies
Use this form for accounting periods starting on or after 1 April 2015.
How to manage tell HMRC your company is dormant for Corporation Tax if you have stopped trading or have never traded.
How to file annual accounts with HMRC and Companies House
What you need to do or know if your company is sold, stops trading or is being wound up for Corporation Tax purposes.
Use form CT600 (2007) Version 2 to file a Company Tax Return for accounting periods ending on or after 1 April 2004, up to and including 31 March 2008.
Find out when your company may be charged a Corporation Tax penalty and how they are calculated.
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. We’ll send you a link to a feedback form. It will take only 2 minutes to fill in. Don’t worry we won’t send you spam or share your email address with anyone.