Law Firm TEGOS (Formerly TGS Baltic)

Competition & Antitrust / State Aid / European Union Regulatory / Dispute Resolution / ESG Advisory & Compliance / Oil & Gas / Renewables / Utilities / Criminal Investigations / Fraud & Financial Crime Compliance

Triinu Järviste is a leading competition law specialist, praised 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.

Since 2025Partner, law firm TEGOS (formerly TGS Baltic)

2023-2025Associate Partner, law firm TGS Baltic

2021-2023Counsel, law firm TGS Baltic

2017–2021Senior Associate, law firm TGS Baltic

2014–2017Senior Associate, law firm Varul

Since 2012Competition Crimes Lecturer, University of Tartu, Estonia

2012–2014Associate, law firm Varul

2011–2012Lawyer, law firm Varul

2010Intern, Estonian Competition Authority

2009Intern, law firm Luiga Mody Hääl Borenius

2008Intern, law firm Lawin Lepik ja Luhaäär

2008Intern, law firm Luiga Mody Hääl Borenius

Estonian, English, Russian

2015Competition Law Commission of Estonian Bar Assocation

2012Estonian Bar Association

2010Estonian Moot Court Society

2012London School of Economics and Political Science, Competition Law and Policy course

2011University of Tartu, Faculty of Law, MA (cum laude)

2010University of Helsinki, Faculty of Law (Student Exchange Program)

2009University of Tartu, Faculty of Law, BA (cum laude)

2008University of Salzburg, summer programme on private international law