Companies House accounts filing changes from April 2028

Changes to Companies House accounts filings will come into effect on 1 April 2028.

Under the Economic Crime and Corporate Transparency Act 2023, the government will reform how companies report information and what information they report when filing their annual accounts with Companies House.

Changes for company accounts filing

An overview of what’s changing from 1 April 2028

• all companies must file accounts digitally via software (iXBRL format)
• small companies and micro entities will need to file profit and loss accounts, but can opt out of this being displayed on the public register
• Companies House will share details of the opt-out route in due course
• companies will no longer be able to file abridged accounts
• smaller technical changes, including updates to audit exemptions and accounting reference periods

Time to prepare for the changes

To give companies more time to prepare, this package of accounts reforms will now come into effect from April 2028, rather than April 2027. This means all companies will have one full accounting year, plus 9 months (21 months) to get ready.

Companies House is contacting all companies via their registered email address to tell them about these changes and signpost available guidance.

Read further details on Companies House to bring in changes to accounts filing from April 2028.

First published 11 June 2026