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Arntzen de Besche AS


Arntzen de Besche AS - Oslo
  • P.O. Box 2734 Solli
  • Oslo
  • Oslo
  • Norway
  • NO-0204
  • Chairman: Ingeborg Moen Borgerud
  • Managing Partner: Hanne Skaarberg Holen
  • Number of partners: 55
  • Number of lawyers: 137
  • Languages: English, French, German and the Scandinavian languages
  • International Offices The firm also has an office in Singapore 

Firm Overview:
Arntzen de Besche delivers solution-oriented legal services to Norwegian and international businesses, organisations and public authorities. Arntzen de Besche has years of experience in international transactions on behalf of Norwegian companies abroad and foreign companies in Norway. Through collaboration with some of the world’s leading law firms, Arntzen de Besche offers clients a well-organised global network of legal experts.

Main Areas of Practice:
Banking & Finance:
5 partners and a total of 13 fee-earners
Arntzen de Besche has for a long time served as adviser to both Norwegian and foreign clients, and has been engaged in preparing official reports and in legislative work.
Key Clients: DNB Bank ASA, ABN Amro Bank N.V., Glitnir Banki hf., SAS Scandinavian Airlines System, GE Capital Solutions AB/AS, several major London law firms
Contact: Paul Sveinsson
Tel: +47 23 89 45 84 
Email: psv@adeb.no

Commercial Property & Construction:
13 partners and a total of 33 fee earners
Arntzen de Besche has an extensive practice within commercial property and is involved in most of the largest transactions in this area.
Key Clients: Fearnley Finans Eiendom AS, Ness, Risan and Partners AS, Veidekke ASA, Avantor AS, Helsebygg Midt-Norge, Aberdeen Asset Management Norway AS, Skanska Norge AS, RS Platou Real Estate AS
Contact: Hans Henrik Kværne
Tel: +47 23 89 45 48
Email: hhk@adeb.no

Corporate & M&A:
14 partners and a total of 31 fee earners
Arntzen de Besche offers advice on all aspects of corporate law. Within the area of M&A and securities law, the firm’s transactions range from small private acquisitions to large domestic and cross-border takeovers, often as advisers to domestic and international investment banks and investors.
Key Clients: Teekay Corporation, Warburg Pincus, G4S, Veolia Transport SA, PWC Deals, RWE AG, Tullow Oil
Contact: Geir Evenshaug
Tel: +47 23 89 45 44
Email: gev@adeb.no

7 partners and a total of 18 fee earners
Arntzen de Besche is a leading employment law firm with experienced and dedicated employment law experts within all fields of employment law, including employment litigation, pensions, privacy protection, collective employment law, maritime and public sector employment law.
Key Clients: SAS Group, Statoil ASA, Petroleum Geo-Services ASA, Petoro, STX OSV ASA
Contact: Sven Iver Steen
Tel: +47 23 89 45 93
Email: sis@adeb.no

EU/EEA & Competition:
5 partners and a total of 12 fee earners
Arntzen de Besche has extensive experience within merger control, cartels, abuse of dominant position, state aid, public procurement and the four freedoms. Experience from the Norwegian Competition Authority, the EFTA Surveillance Authority (ESA), and other authorities.
Key Clients: Petroleum Geo-Services, Praxair, Canon Europe, Leonard Weiss, Schneider Electric, Toyota Material Handling
Contact: Stein Ove Solberg
Tel: +47 23 89 46 50
Email: sos@adeb.no

Financial Services:
3 partners and a total of 6 fee earners
Arntzen de Besche has extensive experience within assistance to the financial services industry with all sorts of financial regulatory matters. Solid experience from the Oslo Stock Exchange, the Financial Supervisory Authority of Norway and the Ministry of Finance. Key Clients: Gjensidigestiftelsen, NRP Finans AS
Contact: Trond Vernegg
Tel: + 47 98 29 45 98
Email: vernegg@adeb.no

Litigation & Arbitration:
15 partners and a total of 28 fee earners
Arntzen de Besche has special expertise and extensive experience in dispute resolution and counselling professional liability. Long experience from law firms, the Office of the Attorney General, the EFTA Court and the ECJ and as judges of the ordinary courts. Several of the the firm’s lawyers act as arbitrators on a regular basis.
Key Clients: Ernst & Young, KPMG AS, PriceWaterhouseCoopers, Transocean, Clyde & Co, SBM Offshore, Norwegian Ministry of Petroleum and Energy
Contact: Thomas Nordby
Tel: +47 23 89 46 01
Email: ten@adeb.no

Oil, Offshore & Energy:
8 partners and a total of 21 fee earners
Arntzen de Besche’s attorneys have been preferred Counsel for oil companies on the Norwegian Continental Shelf for 40 years, and are today advising international majors and other industrial players, governments and national oil companies on all aspects of the oil and energy sector.
Key Clients: Petroleum Geo-Services ASA, Lundin Norway AS, RWE Dea Norge AS, Ministry of Foreign Affairs/NORAD, Core Energy AS, Petoro AS, Gassco AS, Petroleum Safety Authority, Ministry of Petroleum and Energy, Petroleum Directorate
Erlend Bakken
Tel: +47 23 89 45 38
Email: eba@adeb.no

Renewable Energy & Climate:
4 partners and a total of 10 fee earners
Arntzen de Besche advices some of the largest Scandinavian power producers regarding their Norwegian operations concerning gas to power, renewables and Kyoto mechanisms. The firm’s experience also includes climate change and pioneering legal work related to carbon capture and storage.
Key Clients: TrønderEnergi AS, Enova SF, Gassnova SF, CO2 Technology Centre Mongstad DA, Norwegian Bio Energy Association
Contact: Dag Erlend Henriksen
Tel: +47 23 89 45 33
Email: deh@adeb.no

Technology & Innovation:
3 partners and a total of 5 fee earners
Arntzen de Besche provides legal counselling to both national and international clients within the technology, media and telecommunications sectors. Wide-ranging experience assisting in establishing protection strategies in order to maximise the commercial and strategic value of the client’s intellectual property.
Key Clients: SINTEF, Gassnova SF, Petroleum Geo- Services ASA, Sensor Developments AS, Multi Phase Meters AS, FMC Kongsberg Holding AS
Contact: Espen Sandvik
Tel: +47 23 89 45 51
Email: esa@adeb.no

5 partners and a total of 12 fee earners
Arntzen de Besche has a strong tax practice and several of the tax lawyers are considered to be among the leading tax practitioners in Norway covering all aspects of domestic and international tax and VAT, planning and dispute resolution. Key
Transocean, Olav Thon Gruppen AS, Petroleum Geo-Services ASA, GDF Suez E&P Norge AS, Lundin Norway AS, Gate Gourmet GmbH, Teekay Petrojarl AS, Core Energy AS
Contact: Anders Heieren
Tel: +47 23 89 45 22
Email: ahe@adeb.no


  • P.O. Box 2734 Solli,
  • Oslo,
  • Norway
  • NO-0204
  • Tel +47 23 89 40 00
  • Fax +47 23 89 40 01
  • Email : oslo@adeb.no
  • Website : www.adeb.no
  • PO Box 660,
  • Stavanger,
  • Rogaland
  • Norway
  • NO-4003
  • Tel +47 51 89 89 00
  • Fax +47 51 89 89 01
  • Email : stavanger@adeb.no
  • P.O. Box 8853 Solsiden,
  • Trondheim,
  • Sør-Trøndelag
  • Norway
  • NO-7481
  • Tel +47 73 87 12 00
  • Fax +47 73 87 12 32
  • Email : trondheim@adeb.no

Banking & Finance - Norway

Basic facts about the department
- 5 partners
- 5 other qualified lawyers

What the team is known for Long experience of financing in the oil and energy sector including debt financing on the Norwegian continental shelf and traditional reserve-based lending. Aviation, shipping and offshore financing are other areas of expertise.

Strengths (Quotes mainly from clients)
"The lawyers are good at taking the lead and showing initiative; they are responsive, thorough and attentive."

"It has a very strong practice in energy activities and petroleum."

"It has been able to eat into the market as a result of new hires."

What's new? Regulatory lawyer Sven Iver Steen returned to the firm from the Banking Law Commission.

Appointed to the panel of Eksportkreditt Norge.

Work highlights Advised ABN AMRO on a financing facility to Strategic Shipping for the construction of three dry bulk newbuildings.

Assisted Lundin Petroleum with a USD2.5 billion, 7-year senior secured revolving credit facility.

Notable practitioners  

Practice head Pål Sveinsson comes recommended for aviation financing as well as financing litigation. He represented the estate of the former Icelandic bank Glitnir in a NOK240 million lawsuit against its former subsidiary BN Bank.

Trond Kildal "is a practical guy; I like him a lot," said a market observer. He brings in-house banking experience to the table and advises on acquisition finance and bond issues. He recently moved from Advokatfirmaet Haavind, where he headed up the practice.

Atle Gabrielsen is praised for his understanding of the oil and gas sector. "He can really do the structured work in oil and gas," enthuses one interviewee. Gabrielsen advised Maas Capital Investments on a USD50 million mezzanine facility to Marine Accurate Well for the completion of a semi-submersible drilling rig. 

Significant clients GE Capital Solutions, SAS, SpareBank 1 SMN, Widerøe Flyveselskap.

Capital Markets - Norway

Basic facts about the department
- 7 partners work across corporate and capital markets
- 7 other lawyers work across corporate and capital markets

What the team is known for Advising oil and gas clients on capital markets transactions. Compact team covers both debt and equity mandates, including share and bond issues and public takeovers. 

Strengths (Quotes mainly from clients)
"The team is available at all times and I feel confident that we are in safe hands."

"The lawyers are very solution-oriented. They know that all I need is a result, not loads of reasons why I cannot do something."

What's new? Instructions from new clients Tellus Petroleum and Norse Energy.

Work highlights Assisted Petroleum Geo-Services with the Norwegian aspects of its USD150 million bond issue in New York.

Acted for IGE Resources on its NOK97 million rights issue.

Notable practitioners  

Practice head Geir Evenshaug is regarded as a solid corporate lawyer and is appreciated by clients for his pragmatic and to-the-point advice. He assisted Fram Exploration with its NOK200 million convertible bond issue.

Significant clients Warburg Pincus, EMGS, Tiway Oil, Swedbank First Securities.

Competition/Antitrust - Norway

Basic facts about the department
- 5 partners
- 11 other qualified lawyers

What the team is known for Broad practice covering merger clearance as well as state aid and public procurement. Has considerable experience of EU and EEA law, and frequently represents both Norwegian and foreign clients before the EFTA Surveillance Authority in state aid matters. The practice also handles follow-on litigation arising from ESA decisions. Notable knowledge of the energy, aviation and transport sectors.

Strengths (Quotes mainly from clients)
"It was a very complicated case but the team quickly grasped the issues and had no hesitation in making a decision."

What's new? Leonhard Weiss, Skipti and Kystlink are among the firm's new clients.

Work highlights Advised WF Holding on merger clearance for its acquisition of 80% of Widerøe’s Flyveselskap from SAS.

Represented Mila before the EFTA Court in challenging a state aid decision by the Surveillance Authority.

Notable practitioners  

Litigation specialist Thomas Nordby is highly regarded for his knowledge of state aid. He focuses on EU and EEA law and is also well known for his public procurement expertise.

Practice head Stein Ove Solberg is regarded as a strong technician and frequently assists with merger filings. Clients praise his business understanding: "He has a really good overview of our industry and is very service-minded."

Up-and-coming Espen Bakken attracts effusive praise from clients, who describe him as "a real team player and easy to work with." They also highlight his excellent communication skills and impressive knowledge of EEA regulations. Public procurement cases form another aspect of his practice.

Significant clients Praxair, SAS, Canon Europe, G4S, Nettbuss Sør. 

Corporate/M&A - Norway

Basic facts about the department
- 14 partners
- 20 other qualified lawyers

What the team is known for Best known for offering M&A and corporate advice to major players in the oil and gas and offshore sectors. Also instructed by clients from the IT, consumer goods and media sectors.

Strengths (Quotes mainly from clients)
"We feel very valued - client service is not put on the back seat."

"The lawyers give excellent advice and are always available."

Work highlights Advised Opera Software on its USD155 million acquisition of Skyfire.

Represented Tullow Oil in its USD372.3 million acquisition of Spring Energy.

Assisted Starbucks with establishing its Norwegian business.

Notable practitioners  

Practice head Per Dagslet continues to receive praise for his business-driven advice. He advised ICE on the Norwegian aspects of its acquisition of NYSE Euronext.

Geir Evenshaug "is particularly good at catching the important issues quickly, and before a problem arises," report satisfied clients. He has a broad practice which includes providing both M&A and capital markets advice to oil and gas clients.

Trond Vernegg is a respected corporate lawyer with a wealth of experience. He advised Dolphin Invest on its acquisition of Expert.

Significant clients Rasmussengruppen, Teekay, Live Nation, Polaris Media, Ministry of Trade & Industry. 

Dispute Resolution - Norway

Basic facts about the department
- 15 partners
- 10 other qualified lawyers

What the team is known for Oil and gas-related litigation is a key feature of the team's practice. Professional liability cases are another strength. Often acts for audit firms in negligence suits.

Strengths (Quotes mainly from clients)
"The lawyers provide timely advice and prioritise us as a client." 

What's new? NVS, Norwegian Property and Stiansen Eiendom were secured as new clients.

Work highlights Represented Single Buoy Moorings in a USD3 billion arbitration with Talisman Energy Norge concerning the construction and delivery of a mobile offshore production unit.

Advised Petroleum Geo-Services on EUR10 million insolvency proceedings concerning the enforceability of Norwegian law in foreign jurisdictions.

Notable practitioners  

Terje Granvang has extensive experience in professional liability litigation and "is the sort of lawyer you want standing up in court representing your case," according to one client.

Experienced litigator Fred Gade wins plaudits for his fighting qualities. He represented three investors in a NOK35 million dispute with Pareto Securities concerning negligent advice. 

Significant clients SAS, Gjensidige Forsikring, ACE European Group, Ernst & Young.

Employment - Norway

Basic facts about the department
- 8 partners
- 11 other qualified lawyers

What the team is known for Highly qualified team with extensive expertise across both contentious and advisory matters. Represents clients in important litigation concerning discrimination as well as advising on restructuring, transfer of employees and other M&A-related issues. Pensions is another strength, as is data privacy. Particular experience of the aviation and oil and gas sectors.

Strengths (Quotes mainly from clients)
"I like the personal approach and can rely on getting timely responses."

"The team has outstanding experience and excellent knowledge of pensions."

What's new? Gable, NHO and Omniray were secured as new clients.

Work highlights Advised SAS Group on pension plans and collective agreements as part of a major financial restructuring.

Assisted Ingram Micro with downsizing the company's activities in Norway.

Notable practitioners  

Sources confirm that star lawyer Lars Holo is "an important contributor to labour law in Norway." He is noted for his attention to detail and appears in several important cases, such as representing Statoil in an agency worker dispute.

Practice head Tron Dalheim is described by clients as "very knowledgeable with a practical approach to legal risks." His practice covers litigation, cross-border employment issues and restructuring.

Ingeborg Moen Borgerud is reputed for both her employment and pensions expertise. "She has authority in the courtroom and in negotiations; she has been a great asset," reports a satisfied client.

Sven Iver Steen "is really excellent for pensions," according to one source. "He has in-depth understanding of the regulations and is an excellent guy to work with; his advice goes beyond what I expect," reveals one satisfied client.

Clients say Knut-Marius Sture is a strong choice for this area. "I get good advice on what I can and cannot do; he is always ready to help out," reports an interviewee. Sture advises on redundancies, pensions and personnel insurance issues.

Håvard Sandnes "understands our questions and offers several solutions," according to satisfied clients. He acts on both contentious and non-contentious cases and recently moved to the firm from Thommessen.

Significant clients Petoro, Petroleum Geo-Services, Mesta, Norsk Medisinaldepot, TrønderEnergi.

Energy & Natural Resources - Norway

Basic facts about the department
- 10 partners
- 16 other qualified lawyers

What the team is known for Covers all aspects of oil and gas work and is particularly well reputed for E&P, upstream and licence transactions. Strong international practice advising foreign governments on field development, regulations and mediation. Also involved in some of the largest disputes in the sector.

Strengths (Quotes mainly from clients)
"The team covers the whole spectrum of work, from day-to-day legal advice to big disputes, and has a great track record in court."

"The team is particularly strong in upstream oil and gas and regulatory matters."

What's new? New panel appointments include Gassnova and BG Norge. Tellus Petroleum, Explora Petroleum and Single Buoy Moorings also joined the client list.

Work highlights Advised regular client Lundin Norway on all its legal matters including the development of the Edvard Grieg Field and its USD2.5 billion senior secured revolving credit facility.

Assisted Autoridade Nacional do Petroleo with reviewing petroleum regulations and Model Production Sharing Agreement for the Timor-Leste Exclusive Area.

Notable practitioners  

Christian Fredrik Michelet continues to be revered in the oil and gas sector. Clients highlight his understanding of operational challenges, technical developments and commercial drivers. "He also has a very keen eye for petroleum policy," comments one enthusiastic referee.

Erlend Bakken attracts excellent feedback from clients who appreciate his experience of E&P and his negotiation skills. "He stood firm when we needed to but was also able to compromise when necessary," reports one source.

Practice head Dag Erlend Henriksen "is very good at seeing the big picture and advising on which direction to take," say clients. They also emphasise the breadth of his oil and gas experience gained in both government and industry.

Clients enjoy working with Rune Omdahl and say that "he is exceptionally skilled on the commercial side." His practice includes field development, licensing issues and the sale of petroleum products.

Significant clients Gassco, AGR Group, RWE, Ministry of Foreign Affairs. 

Real Estate - Norway

Basic facts about the department
- 12 partners
- 29 other qualified lawyers

What the team is known for Moves up the rankings this year thanks to excellent client feedback and increased market recognition. Covers all aspects of transactional work as well as advising on lease agreements and development projects. Construction practice assists with planning law, public tenders, contract negotiation and litigation. Clients include private equity firms, private investors, real estate developers and public bodies. Strong presence in Trondheim.

Strengths (Quotes mainly from clients)
"It provides first-class service and has industry knowledge which is second to none."

"The team is excellent at finding good solutions that work in practice."

"It is at the top for real estate transactions." 

What's new? Microsoft Norway, Enaco and Leonard Weiss are among the firm's new clients.

Work highlights Acted for NRP Finans on its NOK930 million purchase of Storebrand Gullhaug Torg.

Represented Reinertsen in a claim for compensation against a contractor and the National Road Authority arising from the construction of Riksvei 80.

Notable practitioners  

Practice head Hans Henrik Kværne is widely praised for his negotiation skills and market knowledge. "He is really focused on moving the deal forward and getting the right commercial solutions. He is always on top of the market trends," report clients.

Up-and-coming Eilif Koch continues to develop his real estate practice. He assists investors and private equity firms with investments, transactions and structuring, and advised Aberdeen Asset Management on the NOK400 million sale of Strandveien 4-8 to Ferd Eiendom.

Associate-to-watch Thomas Øslebø enters the rankings in response to positive reviews from clients. "He is a smart negotiator, always pleasant, and creates a good atmosphere in discussions," comments an interviewee. Øslebø is also noted for his "tremendous work capacity and overview of the transaction process."

Significant clients Fearnely Finans Eiendom, Avantor, Stor-Oslo Management, Helsebygg Midt-Norge, Skanska Norge.

Restructuring/Insolvency - Norway

Basic facts about the department
- 3 partners
- 5 other qualified lawyers

What the team is known for Strong market position in Trondheim where it frequently acts as administrator of bankruptcy estates. Also assists with debt settlement proceedings and negotiations with creditors. Oslo-based restructuring practice collaborates with the corporate team and has particular experience of assignments in the oil and gas sector.

Strengths (Quotes mainly from clients)
"The team knew how to structure the transaction and shared our way of thinking."

"Number one in Trondheim." 

What's new? Norse Energy Corp joined the client list.

Work highlights Administered claims totalling NOK75.6 million against the bankruptcy estate of Pan Landskap.

Acted for Swedbank First Securities on the restructuring of Northland Resources.

Notable practitioners  

Practice head Joar Grimsbu is the dominant insolvency lawyer in Trondheim, handling a large proportion of bankruptcies. For example, he acted as administrator on the bankruptcy estate of BSB Maskin.

Significant clients Teekay Corporation, Ernst & Young, KPMG, Sparebank1 SMN.

Shipping - Norway

This firm is classed as a "Other Noted Firm".

Other Noted Firms are firms that are active in this practice area but have not yet been ranked.

Tax - Norway

Basic facts about the department
- 5 partners
- 8 other qualified lawyers

What the team is known for Growing tax practice handling a mixture of high-profile litigation and corporate tax matters. Acts for clients before the authorities and courts on a variety of issues, including group contribution, corporate migration and dividend distribution. Also assists with structuring transactions, group reorganisations and company ownership. Transfer pricing is another key area of work. Long experience advising clients from the oil and gas industry and assisting operators on the NCS. Additional expertise in real estate tax matters. 

Strengths (Quotes mainly from clients)
"It has detailed knowledge of issues relating to our industry."

"We are very happy with everything the firm has done." 

What's new? Telenor Eiendom Holding and Toisa were secured as new clients.

Work highlights Advised Teekay on the restructuring of an offshore vessel.

Represented TrønderEnergi Kraft in a case concerning property taxation and the operation of the power grid.

Notable practitioners  

Clients say practice head Anders Heieren is skilled at structuring international transactions. "For complex, technical issues I would go to him," reports an interviewee. Heieren has considerable experience of the oil and gas sector.

Managing partner Hanne Skaarberg Holen moves up the rankings and is "the leading light" of the tax practice, according to one commentator. Clients are equally enthusiastic about her performance in court: "She is just brilliant, and so rigorous; she is the one the judges listen to." Holen continues to represent Transocean in ongoing civil proceedings.

Significant clients Transocean, Olav Thon Gruppen, Spectrum, Teekay Petrojarl, ExxonMobil Exploration and Production.