• "Highly skilled and quick, business-minded and very accessible."


    Client in IFLR 1000 2020

  • "Has a fantastic reputation as a transactional lawyer."


    Who's Who Legal 2014

  • "Highly knowledgeable, responsive, hard-working and pragmatic with a clear goal to get a transaction done."


    Client in IFLR 1000 2020

  • "Someone you can absolutely trust."


    Client in Chambers Global 2019

  • "Simple, efficient answers to complicated matters."


    Client Chambers Global 2019

  • "Great to work with."


    Client in IFLR 1000 2020

  • "Very solution focused, driven and cost-effective."


    Client in IFLR 1000 2020

  • "Combines outstanding technical skills with an in-depth understanding of the business drivers of a deal."


    Legal 500 2014

  • "Very innovative and is always trying to find different ways to be successful. "


    Source in Chambers Global 2020

  • "Very smart and extremely experienced."


    Legal 500 2014

  • "He was 100% focused on the transaction and available day and night. "


    Client in Chambers Global 2020

  • "Highly sophisticated solutions to clients' most complex concerns."


    Client in Who's Who Legal 2016

  • "Very business-minded and a tough negotiator."


    Client in Chambers Global 2014




Dr. Thomas U. Reutter


Thomas U. Reutter specializes in capital market and M&A transactions. He is regularly retained by issuers and underwriters to advise on IPOs, rights issues, convertible bonds, hybrid capital issues and other capital market transactions.

Furthermore, he frequently represents corporate clients and sponsors in private and public M&A transactions including takeover offers, share purchase and sale transactions, mergers and de-mergers, asset transfers, investments, joint ventures and other corporate transactions. In addition, Thomas advises many Swiss listed companies on corporate and securities law matters.

He is Co-Editor of CapLaw (Swiss Capital Markets Law), author of numerous articles within his fields of specialization and a frequent speaker at seminars and conferences.

He is ranked as a leading lawyer in both Capital Markets and M&A by all major ranking agencies. All renowned rankings list Thomas U. Reutter as one of the most respected experts in the areas of capital markets law and M&A in Switzerland (Chambers and Partners Europe and Global, IFLR1000, Legal500, Who's Who Legal Thought Leaders Global Elite). In 2019 he won the Who's Who Legal Global Award "Capital Market Lawyer of the Year" and in 2016 the "ILO Client Choice Award Switzerland".


German, English, French


  • Member of the Managing Board (2011-2014/2017-2020)
  • Partner of Bär & Karrer (since 2005)
  • University of St. Gallen: Dr. iur. (2002)
  • Associate at Bär & Karrer (2001-2004)
  • Georgetown University, Washington D.C.: LL.M. in Securities and Financial Regulation (2001)
  • Associate at a Swiss law firm (1997-2000)
  • Admitted to the Zurich Bar (1997)
  • Project Manager at a Swiss private equity firm (1996)
  • Trainee at a Swiss law firm (1994-1995)
  • University of St. Gallen: lic. iur. (1994)
  • Research Assistant at University of St. Gallen (1992)
  • University of St. Gallen: lic. oec. HSG (1991)
  • Bocconi University, Milan (1989-1990)

Memberships and Public Offices

  • Zurich Bar Association (ZAV)
  • Swiss Bar Association (SAV/FSA)
  • Member of the Bankenrechtsgruppe of the Zurich Bar Association
  • Co-Editor of CapLaw (Swiss Capital Markets Law)

Contact Details

Dr. Thomas U. Reutter
Bär & Karrer AG
Brandschenkestrasse 90
CH-8002 Zurich

T: +41 58 261 52 84
F: +41 58 263 52 84
M: +41 58 262 52 84


Lawyers Search


Deals & Cases

Bär & Karrer Advised on Polyphor's up to CHF 19.3 Million Equity-Linked Financing more »
Bär & Karrer Advised Credit Suisse and Zürcher Kantonalbank on Meyer Burger Technology's Rights Offering in Combination with a PIPE Transaction to Finance the Implementation of its Strategic Transformation more »
Bär & Karrer Advised Goldman Sachs and UBS on the Placement of new Convertible Bonds and the Public Repurchase Offer for Existing Convertible Bonds by Basilea Pharmaceutica Ltd more »
Reutter Thomas - more deals & cases


A new proxy adviser regulation in Switzerland?, CapLaw – Swiss Capital Markets Law, No. 3/2020, p. 22-26 Link …
The New Swiss Prospectus Regime - What You as an IPO Candidate Need to Know, "Going Public" Publicatons, SIX Swiss Exchange Ltd, Zurich, November 2019 … Download »
Popular Initiative on Responsible Enterprises: Switzerland’s Long Arm on Subject Enterprises, CapLaw - Swiss Capital Markets Law, No. 2/ 2019, p. 18-21 … Download »
Reutter Thomas - more publications

Speaking Engagements

CSR und Kapitalmarkt Kapitalmarkt - Recht und Transaktionen XV, (Veranstalter: Europa Institut an der … more »
Regulierung / Marktmacht und Haftung von Proxy Advisors Gastreferat an der Universität St. Gallen, 17.04.2019, St. Gallen … more »
Management for the Legal Profession (MLP-HSG) Modul: Leadership, (Veranstalter Universität St. Gallen), 25.02.2019, St. Gallen … more »
Reutter Thomas - more speaking engagements