About us

About us

We are a leading law firm in mergers and acquisitions, dispute resolution and the full scope of business law.

The forerunners of demanding legal services and a strategic partner to our clients

Success stems from courage, swift decisions and foresight. We combine top-tier legal expertise, business savvy and technology to give you a competitive edge. We are the forerunners of demanding legal services in mergers and acquisitions, dispute resolution and the full scope of business law. With us standing committed by your side, you gain a lasting advantage.

You can focus on leadership, growth and strategy – we ensure that the legal side supports your goals. We deliver a comprehensive perspective and the best solutions for your business.

Courage, growth and a strategic advantage.

Our way of working

We collaborate closely with our clients to create value, drive innovation, and achieve shared business objectives.

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Sustainability

We are a forerunner of sustainable business in the legal services industry. Our sustainability work covers three areas: client work, our own activities and impact on society.

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Leadership & organisation

Castrén & Snellman is owned by a group of attorneys who work in the firm. We have 33 partners, 11 of whom are women. Our Management Group is responsible for the practical execution of the strategy, and for leading the development of our business to best support the work we do for our clients.

Key numbers

  • 1888

    Founded in 1888, Castrén & Snellman is Finland’s oldest law firm.

  • 300

    Decades of supporting our clients’ success have enabled us to grow into a firm of almost 300 people.

  • 31

    Our lawyers work in 31 specialised fields of business law.

  • 33

    We have 33 partners, 11 of whom are women.

Our story

Founded in 1888, Castrén & Snellman is Finland’s oldest law firm. Castrén & Snellman is one of the fastest growing firms in the legal sector, and our personnel has grown from 15 employees in 1988 to nearly 300 employees today. This makes us one of Finland’s largest law firms in terms of the number of lawyers.

Our journey is filled with memorable moments and we have played a part in many of Finland’s historic events.

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Awards & certificates

Law Firm of the Year: Finland

Lexology Index Awards 2024

Most attractive law firm employer for 17 years running, no. 1 in the legal sector in 2025

Universum Student Survey 2025

Law firm of the year: Scandinavia & The Nordics

Who’s Who Legal Awards 2023

Scandinavian Firm of the Year

Women in Business Law Awards EMEA 2025

The most responsible summer job

Oikotie Kesäduuni 2023

Law Firm of the Year: Scandinavia and the Nordics

The Lawyer European Awards 2021

Finland Law Firm of the Year

Benchmark Litigation Europe Awards 2021

Castrén & Snellman is a member of the Responsible Workplace community led by Oikotie

Responsible Workplace community, Oikotie

Finland’s First Green Office Law Firm

WWF’s Green Office Certificate

Regulation and supervision

Castrén & Snellman’s regulated lawyers are listed in the register maintained by the Finnish Bar Association. The professional title Asianajaja is granted in Finland. In Finland, only lawyers belonging to the Finnish Bar Association can use the title Asianajaja.

The legal profession is regulated by the Advocates Act (496/1958, as amended) and the By-laws and the Code of Conduct of the Finnish Bar Association, which are available at www.asianajajaliitto.fi.

The Finnish Bar Association monitors the activities of the lawyers it has registered and people working in firms of such lawyers. The Finnish Bar Association can be contacted at:

Finnish Bar Association
PO Box 194 (Simonkatu 12 B)
00101 HELSINKI
Tel. +358 (0)9 6866 120
Fax +358 (0)9 6866 1299
info@asianajajaliitto.fi