Corporation Tax is a tax on the taxable profits of limited companies and other organisations, such as clubs and societies. If you run one of these, it may be liable for Corporation Tax. Even if your company or organisation is not liable, you may still have to submit a Company Tax Return, if requested. Our short video What is Corporation Tax? gives you an overview of what it means to be liable.

Exactly what you have to do for Corporation Tax depends on whether your company or organisation is active or dormant. What being active or dormant means is covered in our tutorial Corporation Tax - my obligations.

If you have Corporation Tax to pay, you have to pay within nine months and one day of the end of the relevant accounting period. Our tutorial How and when to pay Corporation Tax goes into more detail for you.

If required, you have to file a Company Tax Return within 12 months of the end of that same accounting period. Our tutorial Filing a Company Tax Return will tell you what a Company Tax Return is, and when and how to file one.

You must submit your Company Tax Return online and pay any Corporation Tax you owe electronically. If you want to find out how to register and use the online system, try looking at our tutorial Corporation Tax Online.

There are certain changes to your company you have to tell HMRC and/or Companies House about - these are detailed in our video Changes for Corporation Tax - who to tell and when.

You can see how a real business manages their Corporation Tax in our video Corporation Tax.

Finally, if you're a director of a limited company, it's not just about Corporation Tax. Find out more in our tutorial Directors' responsibilities - Tax and National Insurance.