Brilliantly simple, fully digital: keep global minimum taxation under control with tried-and-tested software
Companies with consolidated turnover in excess of €750 million are subject to a reporting obligation, whereby the global minimum tax is to be monitored: Pillar 2.
The Opti.Tax software, with its Pillar 2 module, enables you to fully record, validate and submit the mandatory reports under Compliance with legal requirements (OECD/EU/MinStG). This means you can keep the issue of global minimum taxation under control with just one handy tool.
We have been developing compliance and reporting solutions for professionals for decades.
The software uses the BZSt taxonomy, so you won’t miss a thing.
We keep the software up to date with free updates.
Everything at a glance, everything under control
How the Pillar 2 software works
Watch the video on the module release to see how the software solution for Pillar 2 works.
Always up to date
News & Updates
The legal requirements relating to Pillar 2 are constantly evolving, and Opti.Tax keeps pace with these developments. In this section, we provide you with regular updates on new software releases, changes to the BZSt taxonomy and relevant deadlines. This ensures you remain fully operational and compliant at all times.
24 June 2026 – The new Opti.Tax Update 26.0.7 is now available. It introduces key features for the final push towards the Pillar 2 deadline, enabling the timely and complete submission of the minimum tax return in Germany and Austria.
10 June 2026 – 30 June 2026 marks the deadline for many corporate groups to submit their minimum tax reports. Paul Liese explains how Opti.Tax Pillar 2, version 26.0.5, can assist with this.
29 April 2026 – Paul Liese presents the new Opti.Tax Update 26.0.2, which includes improvements relating to Pillar 2. Opti.Tax Pillar 2 now supports the actual submission of data to the BZSt, automated CbCR data import and improved user guidance.
First choice for Pillar 2
Features in detail
All of this is included in the Pillar 2 software
Specialist software for professionals
Who is the Pillar 2 software designed for?

FAQ – Frequently Asked Questions
Frequently asked questions about Pillar 2 and the Opti.Tax software
Opti.Tax is the ideal software solution for Pillar 2 and for ensuring compliance with the legal requirements relating to global minimum taxation. We have answered the questions we have received from interested professionals on your behalf.
If you have any further questions, please do not hesitate to get in touch. We look forward to hearing from you.
Your message to us
About hsp – Software innovation made in Germany
Since 1991, hsp Handels-Software-Partner GmbH has been developing professional software solutions for tax consultancy and audit firms, as well as for businesses.
Our taxonomy software Opti.Tax has established itself amongst discerning professionals in the DACH region as the reliable, high-performance and long-term solution for electronic invoicing. The digital tools for legally required, GoBD-compliant documentation are particularly popular.
Practical relevance, up-to-date content and genuine service
Our software modules are developed in close collaboration with experienced partner firms such as Energiesozietät GmbH for internal control systems (IKS), ADKL Abels Decker Kuhfuß & Partner mbB for transfer pricing, and Schröder & Partner for the digital pension file. In this way, we ensure that the features in Opti.Tax are tailored to the real-world challenges of day-to-day professional practice.
Regular updates ensure that changes to legislation and new requirements are incorporated into the software in a timely manner. In addition, we support you with a comprehensive range of service and support offerings, e-learning courses, access to the hsp Community, our weekly live broadcast „hsp live at 11“ and much more.






