Zwahlen & Mayr to be Indirectly Acquired by Groupe Bader
Deal News | Mar 12, 2025 | Legal Community Swiss

Groupe Bader SA is set to indirectly acquire an 81.47% stake in Zwahlen & Mayr S.A., a company listed on the Swiss stock exchange, SIX. Founded in 1881, Zwahlen & Mayr is renowned for its production of stainless steel and nickel alloy tubes. Groupe Bader, which specializes in recycling and material recovery, anticipates the transaction to finalize by mid-April 2025, contingent on customary closing conditions. Legal guidance for the acquisition was provided by Bonnard Lawson, with key figures from the firm involved in the deal including partners Lois Hainard, Raphaël Schindelholz, and Benjamin Smadja, alongside associate Jérémie Riccardi.
Sectors
- Manufacturing
- Recycling and Material Recovery
- Legal Advisory
Geography
- Switzerland – Both Zwahlen & Mayr and Groupe Bader are Swiss companies, and the transaction involves a company listed on the Swiss stock exchange.
Industry
- Manufacturing – Zwahlen & Mayr is involved in the production of stainless steel and nickel alloy tubes, making the manufacturing industry relevant.
- Recycling and Material Recovery – Groupe Bader specializes in recycling and material recovery activities.
- Legal Advisory – Bonnard Lawson provided legal advisory services for the transaction.
Financials
Participants
Name | Role | Type | Description |
---|---|---|---|
Zwahlen & Mayr S.A. | Target Company | Company | A Swiss company that produces welded, seamless, and precision redrawn tubes in stainless steel and nickel alloy. |
Groupe Bader SA | Bidding Company | Company | A company specializing in recycling, material recovery, and transportation activities. |
Bonnard Lawson | Legal Advisor | Company | Provided legal advisory services for Groupe Bader in the acquisition. |
Lois Hainard | Partner - Corporate/M&A | Person | Partner at Bonnard Lawson advising on the corporate/M&A aspect of the transaction. |
Jérémie Riccardi | Associate - Corporate/M&A | Person | Associate at Bonnard Lawson advising on the corporate/M&A aspect of the transaction. |
Raphaël Schindelholz | Partner - Banking | Person | Partner at Bonnard Lawson, involved in the banking aspect of the transaction. |
Benjamin Smadja | Partner - Real Estate | Person | Partner at Bonnard Lawson, involved in the real estate aspect of the transaction. |