It is important that anyone responsible for the accounts and tax filing regime for private limited companies is aware of their obligations.
After the end of its financial year, a private limited company must prepare full annual accounts and a company tax return. The deadline for filing the first set of accounts with Companies House is 21 months after the date the company was registered with Companies House. Further annual accounts must be submitted 9 months after the company’s financial year ends.
There is a fixed date for the payment of Corporation Tax which is 9 months and 1 day after the end of the relevant accounting period. Note that a company is usually required to pay the tax due in advance of the filing deadline for a company tax return.
In most cases a company’s tax return must be submitted within 12 months from the end of their accounting period. Online Corporation Tax filing is compulsory for company tax returns. Company tax returns have to be filed using the iXBRL data standard using either HMRC’s own software or third-party commercial software.
The accounting period for Corporation Tax is normally the same 12 months as the company financial year covered by the annual accounts. Note that there are penalties for filing late with Companies House and HMRC.
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