Once you have filed your company’s first set of annual accounts, the deadlines that apply to second and subsequent filings are more straightforward: Private companies must file within 9 months of their accounting reference date. Public companies must file within 6 months of their accounting reference date.

What is the deadline for filing accounts with Companies House?

9 months
Overview

ActionDeadline
File annual accounts with Companies House9 months after your company’s financial year ends
Pay Corporation Tax or tell HMRC that your limited company does not owe any9 months and 1 day after your ‘accounting period’ for Corporation Tax ends

Do you need to file company tax return CT600?

The answer to this is Yes, HOWEVER, you also need to file a company tax return CT600 along with a full set of accounts in the iXBRL version, which is practically undoable for a novice. Apart from the iXBRL tagging part, you also have to know which expense must go under which specific category, in order to get everything right.

Where can I find the computations on my CT600?

The Computations are iXBRL tagged representation of the information you have included in your CT600, showing how we calculated your tax liability. They are available to download along with the CT600 and accounts you have created.

Do you have to fill in WT1 or CT600?

You can only use the paper form (CT600) if either: You must also fill in and post form WT1 to explain why you’ve used the paper form.

Where do you Put Your UTR on a CT600?

If you have used the QuickStart your company name and number will be prepopulated. Enter your Company’s UTR (Unique Tax Reference); you should have received this from HMRC, approximately 2 weeks after registering with Companies House. Select your Company Type, generally a “Trading Company” (0 on the paper CT600).