Your Trusted Legal Force in the Three Seas Region

A group of top-ranked law firms with over 850 experienced lawyers offering legal services in every business sector, from the Baltics to the shores of the Adriatic and Black Sea.

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Our Focused Sector Areas

Transport

Our expertise covers all areas of transportation infrastructure across the region.  We assist at all stages of project development, from feasibility study, due diligence, negotiation and procurement, project execution and delivery.  Our clients encompass all the key stakeholders – investment funds, development banks, IFOs, suppliers and governments.

Energy

Our expertise cover all areas of energy infrastructure projects, from conventional, oil & gas, nuclear to all types of renewables.  We assist clients with development, procurement, joint venture and all required legal documentation.  Our expertise includes PPP, joint ventures, financing as well as security arrangements for most challenging projects.

Digital

Our extensive experience in the digital sector and a relationship with a large number of multinational companies put us in a unique position to provide expert guidance to businesses looking to invest in the region or expand further. We work with telecom, TMT and smart tech providers, and any client undergoing digital transformation in other sectors.

DORDA Rechtsanwälte GmbH

  DORDA stands for clarity. DORDA is a leading business law firm in Austria. It is a full-service law firm and advi ...

BOYANOV & Co.

  Since 1990, BOYANOV & Co. has been a prime partner for transnational businesses in Bulgaria. The firm has ear ...

Divjak Topić Bahtijarević & Krka

  DTB is internationally recognised, top-tier Croatian legal service provider. For almost thirty years, it has been ...

Kocián Šolc Balaštík

  Kocián Šolc Balaštík (KŠB) was founded in 1990 and is one of the largest law firms in the Czech Republic wit ...

Ellex Raidla

  Ellex Raidla is a part of Ellex – Baltic circle of legal excellence – the three leading law firms in the Balt ...

Kyriakides Georgopoulos Law Firm

Kyriakides Georgopoulos Law Firm (“KG”)  is a leading Greek multi-tier business law firm, actively involved in ...

Lakatos, Köves and Partners

  The office of Lakatos Köves was founded by Dr. Péter Köves in 1991 and became the Budapest office of the inter ...

Ellex Klavins

  Ellex Klavins is a part of Ellex – Baltic circle of legal excellence – the three leading law firms in the Bal ...

Ellex Valiunas

  Ellex Valiunas is a part of Ellex – Baltic circle of legal excellence – the three leading law firms in the Ba ...

Wardyński and Partners

  Wardyński & Partners, founded in 1988, is one of the largest independent law firms in Poland, with a recogni ...

Nestor Nestor Diculescu Kingston Petersen

  Nestor Nestor Diculescu Kingston Petersen (NNDKP) is a pioneer of business law in Romania. For the past three dec ...

Barger Prekop

Barger Prekop is one of the largest legal offices in Bratislava, Slovakia. The firm serves international and local clien ...

Šelih & partnerji

Odvetniki Šelih & partnerji, o.p., d.o.o. is one of the leading Slovenian law firms with a long tradition of legal ...

Let our team of experts safely navigate you through most complex legal matters in the CEE region.

Corporate Reorganisations in Practice by Wardyński & Partners

Our member firm, Wardyński & Partners, has collected a vast experience in handling corporate reorganisations in P ...

Foreign Direct Investment Screening Regime is Introduced in Bulgaria

Our Bulgarian member firm, BOYANOV & Co., has issued a publication on the recent introduction of a new FDI screenin ...

Kyriakides Georgopoulos Law Firm Joins TSLA

Three Seas Legal Alliance (TSLA) proudly announces the addition of Kyriakides Georgopoulos (KG) Law Firm (KG Law Fi ...

TSLA Participated at the 2023 3SI Business Forum in Bucharest

As a recently established group of premier law firms, Three Seas Legal Alliance is firmly committed to active ...

Doing Business in Bulgaria by BOYANOV & Co.

Trayan Targov, Mihail Vishanin, Stela Sabeva and Violeta Kirova of BOYANOV & Co. Law Firm have co-authored the late ...

The New World of Foreign Direct Investment

Trayan Targov of BOYANOV & Co. has authored the Bulgarian contribution in the latest comparative guide of The Globa ...

Chambers Global Practice Guide – Corporate M&A 2023

BOYANOV & Co.’s Corporate and M&A expert team has authored the Bulgarian chapter in the Chambers and Part ...

Doing Business in Poland by Wardyński & Partners

Wardyński & Partners has recently published a comprehensive guide on doing business in Poland. This invaluable res ...