Companies House Reforms: A Bold Step for Transparency The move towards mandatory iXBRL tagging reflects the UK’s commitment to aligning with international best practices.The UK Government’s Corporate ...

In the quiet, efficient corridors of Finnish finance departments, a technological revolution is brewing. For decades, Finnish Accounting Standards (FAS)—or Kirjanpitolaki—have been the bedrock of domestic reporting. But as the Finnish Patent and Registration Office (PRH) rolls out its ambitious digital mandate, the way we translate these standards for the world is changing forever. The shift to Inline XBRL (iXBRL)

Normativas de la UE como ESEF y CSRD exigen que las empresas publiquen datos financieros y de sostenibilidad en formatos legibles por sistemas automáticos como XBRL e iXBRL. La generación un informe…

RTI CIS Pension P11D Previous Years payment rectification MTD VAT CT iXBRL Accounts Companies house PAYE E filing Services online for UK Certified by HMRC and CH

RTI CIS Pension P11D Previous Years payment rectification MTD VAT CT iXBRL Accounts Companies house PAYE E filing Services online for UK Certified by HMRC and CH

Previous business secretary vowed to drop the plans to avoid imposing regulation on entrepreneurs

From 1 April 2028, all UK registered companies will need to file their accounts in Inline eXtensible Business Reporting Language (iXBRL) format using commercial software. This change applies whether you file your own accounts as a company director or use a third party agent, or accountant, to do so on your behalf. This change will enable more efficient and secure filings. It marks a significant step towards improving the quality of data on the register. This is an important part of the wider Companies House reform programme. As we move towards this change, we’ve been making improvements to the ways overseas companies file their accounts with us. Until recently, multiple component submissions (also known as package accounts) could only be filed on paper at Companies House. As part of our digital transformation, we launched a new accounts upload service to allow these packages to be filed digitally. The service went live on 22 January 2025 for United Kingdom Single Electronic Format (UKSEF) accounts and in April 2025 for all other accounts, except overseas. ## Filing package accounts We’ve since developed the service to allow overseas company accounts submissions. You can now use the service to file package accounts for: * overseas accounts – there’s a £50 fee to file * community interest companies (CICs) – there’s a £15 fee to file * audit exempt subsidiary accounts * dormant exempt subsidiary accounts * limited partnership accounts * UKSEF accounts for listed companies * group package accounts - section 400, parent incorporated under UK law * group package accounts - section 401, parent incorporated under non-UK law * Welsh accounts with an English translation ## How the digital filing process works When filing overseas accounts digitally with Companies House, you must first prepare your accounts and any applicable forms using commercial software. Once complete, download your accounts from the software as a ZIP file and submit directly through the Companies House package accounts service. While you might be familiar with the ‘ZIP file’ term, this service will only accept ZIP files made using commercial software. This is because the underlying data within a set of accounts needs to be tagged using iXBRL. This is a worldwide technical standard that combines HTML with machine-readable XBRL tags. It allows the same document to be read by both humans and machines. We will then receive the full package of documents, ready for processing. Once your submission has been received, you will get a confirmation email from Companies House. You should keep this for your records. If there’s an issue with your submission – for example, if the file contains an error – you will be notified and given the opportunity to resubmit. If you're not sure whether your submission has been processed successfully, you can check the status of your filing through your Companies House account. Most commercial software handles the majority of the tagging automatically. But, you will need to review and make sure the tags are correct. If you do not already use tagging functionality, we recommend you fully understand your software's tagging features on test accounts. Do this well before the mandation deadline to build familiarity with the process. ## More information The digitisation of our accounts filing represents more than just a technological upgrade. It’s a fundamental shift in how we approach corporate transparency and accountability. By mandating more structured, validated and machine-readable financial data, we’re creating a stronger defence against those who use corporate structures to hide illicit activity. > Read our guidance for filing overseas accounts: > > File accounts in the UK as an overseas company > > Overseas companies registered in the UK

Click to view the official SEC document.

Click to view the official SEC document.

Click to view the official SEC document.

Normativas de la UE como ESEF y CSRD exigen que las empresas publiquen datos financieros y de sostenibilidad en formatos legibles por sistemas automáticos como XBRL e iXBRL. La generación un informe…

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