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Following approval by the Swiss Financial Market Supervisory Authority, SIX has completed three consecutive mergers involving SDX Web3 AG, SDX Group AG, SIX Digital Exchange AG and SIX SIS AG. The final merger between SIX Digital Exchange AG and SIX SIS AG was completed on 30 April 2026. Through this strategic consolidation, SIX brings together its digital central securities depository (“CSD”) and traditional asset services within a single regulated CSD, establishing the foundation for delivering integrated post-trade services across both asset classes.
The consolidated CSD is now also licensed to offer crypto custody solutions, enabling financial institutions to access digital asset servicing through the same institutional-grade infrastructure they rely on for traditional securities.
Bär & Karrer acted as legal, regulatory and tax advisor to SIX in this transaction. The team included Peter Hsu, Tiffany Ender, Philipp Theiler, Luiza Gjura (all Regulatory/M&A), Urs Kägi, Shu Zhang (both Corporate/M&A), Julia Eiholzer (Corporate/Notary), Susanne Schreiber, Anke Stumm, Lesia Tüchthuisen (all Tax), as well as Laura Widmer and Sandra Schaffner (both Employment). With respect to legal and regulatory matters, it closely collaborated with BjörnGunnar Flückiger (LAWBEAR AG) who also acted as an advisor to SIX.
For further information please contact:
Media Relations, Eric Stupp
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Bär & Karrer is a leading Swiss law firm with more than 200 lawyers, providing customized legal advice in complex transactions and litigation. Clients range from multinational corporations to private individuals in Switzerland and abroad. Bär & Karrer is present with offices in all main language regions in Switzerland and operates globally via an international network of leading law firms. For further information please visit baerkarrer.ch.