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CT600

CT600 conversion services

FinTags is an approved iXBRL/CT600 solutions provider by HMRC.

Company Accounts

1. Company Tax returns: format for accounts forming part of an online return

For most companies and organisations, accounts forming part of the return must be in iXBRL format, but there are exceptions. Where accounts are not filed in iXBRL format, they must be filed as a PDF attachment. Read more

2. Company Tax returns: accounts HM Revenue and Customs require

The legal obligation for a company to deliver a Company Tax Return is created by HM Revenue and Customs (HMRC) serving a ‘Notice to deliver a Company Tax Return’. The legal obligation for a company to deliver a Company Tax Return is created by HM Revenue and Customs (HMRC) serving a ‘Notice to deliver a Company Tax Return. Read more

Online filing of Company Tax Returns

Company Tax returns: online filing 2 years on

This note summarises the outcome of the first 2 full annual cycles of the new requirements, and gives advice on some key issues for the future. Read more

Online filing for companies that are winding up

Corporation Tax: online filing at the end of a company's life

At the end of a company’s life you may have difficulty in producing full Company Tax Returns and have problems with mandatory online filing. For this reason, there’s a legal exemption for insolvent companies who don’t have to file online. Read more

This guide explains

  • who must file a Company Tax Return online
  • when a legal exemption applies
  • examples of HM Revenue and Customs approach in dealing with cases