HMRC Guidance: Pillar 2 Top-up Taxes Software
Summary
HM Revenue & Customs has published guidance on choosing commercial software for reporting Domestic Top-up Tax and Multinational Top-up Tax under Pillar 2. The guidance outlines the requirements for software and lists providers currently developing compatible products.
What changed
HM Revenue & Customs (HMRC) has issued guidance for large corporate groups on selecting commercial software to report Domestic Top-up Tax and Multinational Top-up Tax, which implement the global minimum corporate tax rate of 15%. The guidance details the functionalities required for the software to submit UK tax returns, Overseas Return Notifications, and Below Threshold Notifications to HMRC. It also lists software providers who have obtained production credentials and are developing compatible products, while explicitly stating that HMRC does not endorse any specific provider.
Regulated entities, specifically large corporate groups subject to Pillar 2, should review this guidance to identify and select appropriate commercial software for their tax reporting obligations. While the guidance does not impose new direct obligations, it informs the necessary steps for compliance with the reporting requirements for accounting periods beginning on or after December 31, 2023. Companies are advised to contact software providers directly for support and information regarding product features and availability.
What to do next
- Review HMRC guidance on choosing software for Pillar 2 Top-up Taxes.
- Identify and select appropriate commercial software for reporting Domestic Top-up Tax and Multinational Top-up Tax.
- Contact software providers directly for information on product features and support.
Source document (simplified)
Guidance
Choose the right software for Pillar 2 Top-up Taxes
Find out what commercial software you will need to report Domestic Top-up Tax and Multinational Top-up Tax.
From: HM Revenue & Customs Published 16 March 2026 Get emails about this page Print this page Domestic Top-up Tax and Multinational Top-up Tax applies to the largest corporate groups by enacting a global minimum corporate tax rate of 15%.
These taxes apply to accounting periods beginning on or after 31 December 2023.
Before you choose your software, check if you need to report Pillar 2 Top-up Taxes.
What your software will need to do
You, or an agent on your behalf, will need to use commercial software that works with Domestic Top-up Tax and Multinational Top-up Tax to submit to HMRC:
- UK tax returns
- Overseas Return Notifications
- Below Threshold Notifications — these can also be submitted to HMRC using the Pillar 2 Digital Service Find more information on how to report Pillar 2 Top-up Taxes.
Software products in development
These are the software providers who have gained production credentials from HMRC. Other developers are currently working in our Developer Hub and we expect to name more providers soon. This software will work with UK tax returns and Overseas Return Notifications for Domestic Top-up Tax and Multinational Top-up Tax. Developers continue to work with HMRC to progress their work on the GloBe Information Return (GIR).
HMRC does not recommend any product or software provider.
For more information about software and the services or features they offer, you can contact the software providers directly or by visiting their website:
When using commercial software
HMRC cannot:
- recommend or endorse any one product or service over another
- provide support for these commercial software supplier products
- help with any difficulties — you’ll need to take up any problems or questions directly with the commercial software supplier
- help with any problems contacting the companies listed
guarantee that these links will work all of the time
HMRC is not responsible for:any loss, damage, cost or expense arising out of the use of this software
the accuracy of the contact details provided by commercial software suppliers
the content or the reliability of these commercial software supplier websites — we do not necessarily endorse the views expressed within them
the availability of the linked pages
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