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Advokatfirmaet Thommessen AS

8 ranked departments22 ranked lawyersContact information
Established in 1856 ,Thommessen is considered to be one of Norway’s leading commercial law firms. With offices in Oslo, Bergen, Stavanger and London, we assists businesses with transactions, complex projects and contentious matters in all areas of commerical law.
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Firm profile for Global 2022

Profile view:
Global 2022
Global

This firm is also ranked in:

Europe 2022 High Net Worth 2021 FinTech 2022

About

This content is provided by Advokatfirmaet Thommessen AS.

Chairman: Hans Cappelen Arnesen

Managing Partner: Sverre Tyrhaug

Number of partners: 61

Number of other lawyers: Approx. 180

Languages: Norwegian, English, Swedish, Danish, German, French, Dutch


Firm Overview:

Established in 1856, Thommessen is considered to be one of Norway’s leading commercial law firms. The firm has offices in Oslo, Bergen, Stavanger and London. The firm provides advice to Norwegian and international companies as well as organisations in the public and private sectors, ranging from SMEs to large multi-national corporations. Thommessen covers all business related fields of law.


Main Areas of Practice: 

Thommessen assists businesses with transactions, complex projects and contentious matters in all areas of commercial law. Its robust professional legal expertise is combined with in-depth industry knowledge, and its lawyers stay abreast of trends and developments on an ongoing basis in order to provide advice which facilitates long-term value creation.


Asset Management:

Contact: Marius Holm Rynning

Tel: +47 414 55 657

Email: [email protected]


Banking & Financing:  

Contact: Ellen Teresa Heyerdahl

Tel: +47 996 47 416

Email: [email protected]


Compliance & Investigations:  

Contact: Andreas Meidell

Tel: +47 917 88 344

Email: [email protected]


Construction:

Contact: Jacob F Bull

Tel: +47 480 52 421

Email: [email protected]


Data Protection & Cyber Security:

Contact: Christopher Sparre-Enger Clausen

Tel: +47 930 53 854

Email: [email protected]


Debt Capital Markets:

Contact: Einar Grette

Tel: +47 911 55 284

Email: [email protected]


Dispute Resolution:  

Contact: Kristine Hyldmo Bjørnvik

Tel: +47 994 67 423

Email: [email protected]


Employment: 

Contact: Stein Kimsås-Otterbech

Tel: +47 414 20 515

Email: [email protected]


Equity Capital Markets:  

Contact: Solveig F Bugge

Tel: +47 480 12 199

Email: [email protected]


EU/EEA & Competition Law:  

Contact: Siri Teigum

Tel: +47 909 12 355

Email: [email protected]


Finance Regulation:  

Contact: Tore Mydske

Tel: +47 916 20 911

Email: [email protected]


FinTech: 

Contact: Christopher Sparre-Enger Clausen

Tel: +47 930 53 854

Email: [email protected]


Fishery & Aquaculture: 

Contact: Mons Alfred Paulsen

Tel: +47 480 12 142

Email: [email protected]


Insolvency & Restructuring:  

Contact: Kristoffer Hegdahl

Tel: +47 920 57 178

Email: [email protected]


Insurance:  

Contact: Andreas Meidell

Tel: +47 917 88 344

Email: [email protected]


Intellectual Property & Marketing Law: 

Contact: Camilla Vislie

Tel: +47 992 69 142

Email: [email protected]


Life Sciences & Health Care:  

Contact: Magnus Hauge Greaker

Tel: +47 958 17 168

Email: [email protected]


M&A:

Contact: Christian Grüner Sagstad

Tel: +47 930 95 240

Email: [email protected]


Oil & Gas:

Contact: Christian Hals

Tel: +47 476 21 405

Email: [email protected]


Oil Service: 

Contact: Pål Lieungh

Tel: +47 992 65 577

Email: [email protected]


Private Equity: 

Contact: Christian Grüner Sagstad

Tel: +47 930 95 240

Email: [email protected]


PropTech:

Contact: Christopher Sparre-Enger Clausen

Tel: +47 930 53 854

Email: [email protected]


Public Procurement:  

Contact: Wenche Sædal

Tel: +47 454 53 865

Email: [email protected]


Real Estate: 

Contact: Christian Müller

Tel: +47 934 99 656

Email: [email protected]


Renewable Energy & Infrastructure:  

Contact: Bendik Christoffersen

Tel: +47 957 72 936

Email: [email protected]


Retail:

Contact: Eivind J Vesterkjær

Tel: +47 909 66 843

Email: [email protected]


Shipping:

Contact: Mads Haavardsholm

Tel: +47 980 09 765

Email: [email protected]


Sustainability & Climate Risk: 

Contact: Tore Mydske

Tel: +47 916 20 911

Email: [email protected]


Tax & Duties:

Contact: Finn Backer-Grøndahl

Tel: +47 934 19 804

Email: [email protected]


Technology & Digitalisation:  

Contact: Espen A Werring

Tel: +47 997 97 676

Email: [email protected]


Venture Capital:  

Contact: Christian Grüner Sagstad

Tel: +47 930 95 240

Email: [email protected]


International Work: 

Thommessen represent non-Norwegian businesses in Norway, as well as Norwegian businesses internationally. Thommessen has a London office, supplemented by an extensive international network. Thommessen’s team members have comprehensive international experience, and its lawyers have argued numerous cases before international courts and tribunals. Thommessen is also the Norwegian member of Lex Mundi.


Innovation: 

Top-of-class project management is a hallmark of the Thommessen approach, and both the firm and their clients experience considerable time savings and improved communication flows in projects where Thommessen’s digital project management solutions are used. Thommessen use a leading tool for interaction and collaboration on their projects and have developed proprietary project management tools. With its own internal digitalisation department at the firm, Thommessen have a short route from idea to product. Teamwork and new forms of collaboration have helped Thommessen establish an innovation culture which it believes has put it on the path towards creating the law firm of the future.


Sustainability: 

At Thommessen, it seeks, together with its clients, to facilitate the development and adoption of sustainable and climate-friendly solutions. The firm's sustainability and climate risk resources are presented here to help you reach your goals. You are invited to visit the firm's Sustainability Database, which provides an overview of applicable initiatives and regulations, as well as to take a closer look at the firm's relevant products and services.

Global

This firm is also ranked in:

Europe 2022 High Net Worth 2021 FinTech 2022

Contributions

Total 11 contributions

Trends and Developments

Cartels 2022 in Norway

Authors: Siri Teigum, Eivind Vesterkjær, Heidi Jorkjend, Eivind Sæveraas

Law and Practice

Cartels 2022 in Norway

Authors: Siri Teigum, Eivind Vesterkjær, Heidi Jorkjend, Eivind Sæveraas

Trends and Developments

Trade Marks 2022 in Norway

Authors: Camilla Vislie, Eirik W Raanes, Magnus Hauge Greaker, Julie Rasmussen Solli

Ranked Departments

Chambers Research is conducted by 200 Research Analysts, across 200 jurisdictions and provides nearly 6,000 rankings tables. Annually we collect hundreds of thousands of responses from clients, the majority via in-depth interview. Learn more about our methodology.

Norway

Banking & Finance
Band 1
Capital Markets: Debt
Band 1
Capital Markets: Equity
Band 1
Corporate/M&A
Band 1
Dispute Resolution
Band 3
Energy: Oil & Gas
Band 2

6 of 8 results

Ranked Lawyers

Chambers Research is conducted by 200 Research Analysts, across 200 jurisdictions and provides nearly 6,000 rankings tables. Annually we collect hundreds of thousands of responses from clients, the majority via in-depth interview. Learn more about our methodology.

Find this firm’s ranked individuals based on your requirements using the Location, Practice Area or Band filter below.

Filter by

Band
Norway

Banking & Finance


Ellen Teresa Heyerdahl
Band 3
Halvor Mansåker
Band 3
Hans Haugstad
Band 1
Hedda Leikvang
Foreign expert

Capital Markets: Debt


Einar Grette
Band 1
Halvor Mansåker
Band 2

6 of 22 results

Top Ranked Lawyers

Eminent Practitioners
Sverre TyrhaugCapital Markets: Equity
Band 1
Hans HaugstadBanking & Finance
Einar GretteCapital Markets: Debt
Anders ArnkværnCapital Markets: Equity
Hans Cappelen ArnesenCapital Markets: Equity
Anders ArnkværnCorporate/M&A
Camilla VislieIntellectual Property
Band 2
Halvor MansåkerCapital Markets: Debt
Henning HarborgDispute Resolution
Audun StornesEnergy: Oil & Gas
Pål LieunghEnergy: Oil & Gas
Band 3
Ellen Teresa HeyerdahlBanking & Finance
Halvor MansåkerBanking & Finance
Solveig Fagerheim BuggeCapital Markets: Equity
Band 4
Ervin AurenCorporate/M&A
Thomas AbrahamsenEnergy: Oil & Gas
Eirik W. RaanesIntellectual Property

Ranked Offices

Chambers Research is conducted by 200 Research Analysts, across 200 jurisdictions and provides nearly 6,000 rankings tables. Annually we collect hundreds of thousands of responses from clients, the majority via in-depth interview. Learn more about our methodology.

Norway

Bergen
Stavanger
UK

London

Ranked Offices

Head Office

firm
Head Office

Haakon VIIs Gate 10

PO Box 1484 Vika

Oslo

Oslo

Norway

N-0116

View head office profile