
Triinu Järviste
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Country
Estonia
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Languages
Estonian, English, Russian
Triinu Järviste is a leading competition law specialist, praised by Chambers Europe for her ability to approach antitrust issues from a broader economic perspective.
She advises clients on all aspects of competition law, including criminal proceedings, merger control, and competition law claims in civil courts.
Triinu has significant experience in state aid matters, representing both grantors and recipients in proceedings before the European Commission and national courts. She has helped several public entities navigate state aid audits and ensure compliance.
With deep expertise in regulatory sectors such as electricity, gas, post, water management, electronic communications, and transport, Triinu advises clients on issues including price regulation, renewable energy support systems, and network-related matters.
She is a member of the Competition Law Committee of the Estonian Bar Association and lectures on competition law offences at the University of Tartu.
Testimonial
CV
Partner, law firm TEGOS (formerly TGS Baltic)
Associate Partner, law firm TGS Baltic
Counsel, law firm TGS Baltic
Senior Associate, law firm TGS Baltic
Senior Associate, law firm Varul
Competition Crimes Lecturer, University of Tartu, Estonia
Associate, law firm Varul
Lawyer, law firm Varul
Intern, Estonian Competition Authority
Intern, law firm Luiga Mody Hääl Borenius
Intern, law firm Lawin Lepik ja Luhaäär
Intern, law firm Luiga Mody Hääl Borenius
Competition Law Commission of Estonian Bar Assocation
Estonian Bar Association
Estonian Moot Court Society
London School of Economics and Political Science, Competition Law and Policy course
University of Tartu, Faculty of Law, MA (cum laude)
University of Helsinki, Faculty of Law (Student Exchange Program)
University of Tartu, Faculty of Law, BA (cum laude)
University of Salzburg, summer programme on private international law
Deals & cases
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17.09.2025 | EstoniaTEGOS advised on the sale of the landmark Värska Originaal
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03.06.2025TEGOS advised OneMed on the acquisition of ITAK
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06.05.2025TEGOS advised SEB on the lease agreement for its new Baltic headquarters in Tallinn
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30.01.2025TEGOS advised the City of Tallinn on the planning of a unified Tallinn hospital
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09.01.2025 | Estonia, LithuaniaTEGOS assisted MS Galleon Group in Strategic Acquisition of CORAB S.A.
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08.01.2025 | EstoniaTEGOS Advises Delux Holding OÜ on the Acquisition of Mivar-Viva AS
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23.09.2024TGS Baltic successfully represented Elering in two renewable energy support cases at the European Court of Justice
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04.09.2024 | Estonia, LatviaTEGOS advised TÜV SÜD AG on the acquisition of Carspect Group Holding AB
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26.06.2024 | LithuaniaTEGOS advised “Rulonas” on the acquisition of “IMS Baltic” companies
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28.02.2024 | Estonia, Latvia, LithuaniaTGS Baltic together with Cederquist advised Kinnevik on the sale of Tele2 shares to Freya Investissement
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21.02.2024 | Estonia, Latvia, LithuaniaStrategic acquisition: TEGOS advised IFCO SYSTEMS in acquiring 100% BEPCO OÜ shares
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16.01.2024 | EstoniaTEGOS advised Estonia’s state fund SmartCap on making an investment into Estonian deeptech startup Up Catalyst in its 4MEUR seed round
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03.01.2024 | Estonia, LatviaTGS Baltic assisted Enefit Green AS with selling Brocēni pellet mill and cogeneration plant in Latvia to Warmeston OU, the leading Estonian wood pellet producer.
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29.11.2023 | Estonia, LatviaTGS Baltic assisted Enefit Green AS with selling Paide and Valka district heating businesses in Estonia and Latvia to AS Utilitas Eesti, Estonia’s largest district heating company.
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22.11.2023TGS Baltic advised the Environmental Investment Centre on the development of a EUR 49 million hydrogen measure
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24.10.2023TGS Baltic advised the private equity fund BaltCap on the acquisition of VKG Elektrivõrgud
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13.10.2023 | Estonia, Latvia, LithuaniaTGS Baltic advised Hawesko on entering into a strategic partnership with the Dunker Group
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24.07.2023 | Estonia, Latvia, LithuaniaBaltCap completes the first take-private transaction by a Baltic investor on the London Stock Exchange by acquiring Xpediator
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02.06.2023TEGOS advised the Estonian national postal service provider Eesti Post (Omniva) on the purchase of certain assets from Parcelsea.
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18.04.2023TEGOS advised the Estonian Museum Association on developing the Museum Card service
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12.09.2022TEGOS advised on the sale of shares between esteemed Estonian companies
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27.04.2022Successfully represented AS Tartu Agro in Supreme Court
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10.04.2022TEGOS advised LHV Pension Funds on the acquisition of the first office building in Estonia designed according to the Green Building concept
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21.03.2022We advised AS Eesti Post on the acquisition of the newspaper delivery service provider AS Express Post
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10.01.2022TGS Baltic advised the City of Tartu and Tartu 2024 Foundation on granting support concerning the European Capital of Culture Tartu 2024 programme
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19.12.2021 | EstoniaAdvising and representing Elering
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04.10.2021Advising the Ministry of Environment
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20.09.2021We advised LHV pension funds on acquiring a production building from Ensko Ensek AS
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13.09.2021TGS Baltic represented subsidiary of Bigbank in merger control proceedings
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02.03.2021TGS Baltic Successfully Represented Eesti Post in Estonian Competition Authority’s Proceedings
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26.01.2021TGS Baltic Scored Significant Victory for Coffee IN Against Apollo Cinema
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22.01.2021We Advised One of Baltics’ Largest Real Estate Companies Kapitel on Acquisition of 50% Holding in Logistics Property Company Nordassets
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05.01.2021TGS Baltic assisted investment company De Maria Project in acquisition of Energate
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21.12.2020TEGOS advised the sale of one of the newest and most modern fuel terminals in Estonia
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20.04.2020Representing Environment Investment Centre
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03.04.2020Advising one of the biggest fuel retail undertakings in Estonia Circle K potential unlawful state aid deriving from the statistics trading system enforced by the Estonian Liquid Fuel Act.
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19.02.2020Preparation of an analysis of the legal regulation of the forest sales regime to the State Forest Management Centre (RMK).
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05.02.2020We advised Nasdaq-listed fintech company Opera on the acquisition of Pocosys
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20.01.2020TEGOS advised client in acquiring headquarter of Danske Bank
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22.10.2015 | EstoniaRepresenting Tallink Group before European Commission in connection with alleged state aid resulting from tax benefits
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05.06.2014 | EstoniaAdvising the sale of Cinamon cinema chain
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03.03.2013 | EstoniaAdvising Tallink Group on the legislative proceeding of the draft Maritime Safety Act in the Parliament of Estonia
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News
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04.12.2025 | Estonia, Latvia, LithuaniaLexology Index 2025 Recognises Six TEGOS Lawyers Across the Baltic Region
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04.12.2025 | Estonia, Latvia, LithuaniaTEGOS Recognised Among the World’s Leading Competition Law Firms in the GCR 100
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14.11.2025 | Estonia, Latvia, LithuaniaTEGOS Achieves Outstanding Results in IFLR1000 Central & Eastern Europe Rankings
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Publications
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28.03.2025 | EstoniaEstonia’s Shifting Energy Policies: Challenges and Opportunities in Q1 2025
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19.12.2024 | EstoniaEstonia’s Renewable Energy and Climate Initiatives: Energy Sector Updates for Q4 2024
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17.09.2024 | EstoniaThree-in-One: Superficies License Procedure for Offshore Wind Farms in Estonia
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