Fields of practice

Tõnis specialises in M&A, Private Equity, Project Finance and related Corporate & Commercial work with a focus on Transport, Infrastructure, Shipping and Aviation matters

Professional experience

2010 – Partner at TRINITI in Tallinn, Estonia
2004-2010 Founder and managing partner of Tamme & Otsmann
1994-2004 Attorney and senior associate at Teder & Rask
1995 Practice placement at Essex Court Chambers, London, England

For more than 25 years in commercial law practise Tõnis has acted as a legal adviser on numerous notable transactions in the Baltic market such as:

  • Advising the Estonian national airline Nordica in the acquisition of the shares of Regional Jet OÜ (Xfly) from the Polish national carrier Polskie Linie Lotnicze LOT S.A (2020) Read more
  • Representing Transpordi Varahaldus OÜ, the state-owned aviation asset company, in the acquisition and lease-back of 7 Bombardier CRJ900 aircraft (2015-2019).
  • Study on the Business Case of Rail Baltica and setting up of the Rail Baltica Business Network in Finland, Estonia, Latvia, Lithuania and Poland, for the European Commission (DG-MOVE) (2017-2018)
  • Risk analyses of the Estonian part of the new Rail Baltica railway (2017) Read more
  • Advising Transpordi Varahaldus OÜ in the largest private finance investment into Estonian aviation, the issuance of 25 MEUR bonds (2017) Read more
  • Lead partner of an international consortium PROXIMARE advising the European Commission in the TEN-T North Sea – Baltic Core Network Corrdior Study (2013-2015) Read more
  • Negotiations of the Shareholders Agreement of the Rail Baltica joint venture, between the governments of Estonia, Latvia and Lithuania (2014) Read more
  • Advising the Estonian Police and Border Guard Board in the building of the multi-purpose vessel Kindral Kurvits (2012) Read more
  • Purchase of majority shares of the national carrier Estonian Air from SAS (2009)
  • Sale of Estonian Railways Ltd to the Estonian Government (2007) Read more
  • Sale of one of the largest Estonian shopping Centres- Rocca al Mare (2005) Read more
  • Pre-privatization restructuring of Estonian Telecom (1997)
  • All transport sector privatisations of strategic importance in Estonia: Estonian Air (1996), Estonian Shipping Company (1997), and Estonian Railways (2001)

Altogether Tõnis has advised on more than 160 transactions and has been ranked as a leading and recommended professional by Chambers Global and Legal500 in the fields of M&A, banking & finance and real estate law

Professional Membership

Court of Honour of the Estonian Bar Association, member since 2016
Board Member of Rail Baltica Business Network Estonia since 2015
Court of Honour of the Estonian Bar Association, substitute member, 2013-2016
Ethics Committee of the Estonian Bar Association, member, 2001-2017
Board Member and Vice-Chairman of the British-Estonian Chamber of Commerce 2011-2014
Founding member of the Estonian Young Bar Association, 1995
Member of the Estonian Bar Association since 1994

Contribution to Lawmaking

Member of the Estonian Ministry of Communications workgroup for drafting the bill of the Act of Registered Security over Movables Established over Vehicles

Participation in drafting the bills of the National Opera Act, the Taxi Services Act, the Broadcasting Act and the Bar Association Act

  • Estonian Military Academy Battalion Staff Officer Course, 2018-2019
  • Faculty of Law at the University of Tartu, Estonia 1990-1994
  • United Kingdom Central European Legal Scholarship Scheme (UKCELS) at the Queen Mary and Westfield College, University of London, 1995

Tõnis is fluent in Estonian and English. He also speaks Russian and Finnish


Tõnis Tamme has been appointed the Honorary Consul of the Republic of Slovenia in Estonia

In his free time Tõnis enjoys enduro-motorcycling, downhill skiing and sailing