A1 Advokater > Stockholm, Sweden > Firm Profile

A1 Advokater

Sweden > Dispute resolution Tier 3

A1 Advokater fields an experienced dispute resolution team, which is frequently instructed on major engagements and represents clients from a range of industries. Co-heads Torgny Wetterberg and Tomas Pleiner have expertise in the insurance sector, while Kristoffer Ribbing is experienced in energy disputes. Thomas Tendorf handles professional negligence claims.

Practice head(s):

Torgny Wetterberg; Thomas Tendorf; Kristoffer Ribbing; Tomas Pleiner

Other key lawyers:

Lina Hansson


‘Great ability to be short and to the point. Very strong litigation team.’

‘Tomas Pleiner and Torgny Wetterberg have combined skills in the areas of insolvency, accounting and law, which is great for litigation when knowledge is needed in all these areas.’

‘A1 is truly a firm based on collaboration and working by a method to deliver value work and results. Thy put together a team with necessary expertise where everyone knows his/her role and purpose and that collaborate in order to address and solve clients’ most complex issues.’

‘The team I work with is very articulate both orally and in writing. They draw logical conclusions and seem to work closely with each other to support in anticipating potential areas of weaknesses in their argumentation that needs to be strengthened. Excellent in absorbing and comprehending large amounts of information and making something useful out of it. As it is truly team work, it is difficult mentioning one without another, but Thomas Tendorf, Torgny Wetterberg, Kristoffer Ribbing and Lina Hansson all fit into this assessment in my view.’

‘Dedicated team with a clear solution focus in mind. Great guidance during the process.’

‘Tomas Pleiner has strong dispute resolution skills and takes great interest in what is really important to the client.’

‘I think the team/firm is a very good choice if you are facing court or arbitration proceedings.’

‘Torgny Wetterberg has an excellent track record over decades in solving disputes in court or arbitration for his clients and I think Torgny Wetterberg and Tomas Pleiner are still on top in Sweden in their field.’

The firm: The firm was set up in 2010 upon initiative by Torgny Wetterberg together with the present partners Thomas Tendorf and Kristoffer Ribbing together with some other lawyers now retired or not any longer active in the market place.

Areas of practice: A1 Advokater is a boutique law firm specialising in commercial dispute resolution.

A1 Advokater is often engaged to act in large high-profile disputes.

A1 Advokater also carry out investigations of various kinds and act as strategic advisers on risk and crisis management.

The lawyers at A1 Advokater are engaged as counsel in litigation and arbitration. Several of the lawyers serve as arbitrators which also gives the firm valuable experience in evaluating disputes.

The team of lawyers has very extensive experience across a broad range of sectors such as banking and finance, energy, engineering, construction and infrastructure projects, nuclear power, retail and manufacturing, real estate, defence, insurance, IT/telecom, pharmaceuticals, media and entertainment and transport.

Some of the lawyers provide legal and business advice on a wide range of national and international commercial issues and are regularly retained by Swedish and international companies. Several of the lawyers have experience as in-house lawyers for major international corporations. Legal and business advice work frequently involves contracts for the manufacture, purchase and supply of industrial facilities, mergers and acquisitions, joint ventures and restructuring, distribution, agency and licensing agreements.

Legal and business advice also involves Swedish and foreign companies on company law, including start-ups, capital acquisition and shareholders’ meetings.

Litigation & Arbitration Torgny Wetterberg
Litigation & Arbitration Kristoffer Ribbing
Litigation & Arbitration Thomas Tendorf
Litigation & Arbitration Tomas Pleiner
Litigation & Arbitration Johannes Lundblad
Commercial, corporate and M&A Peter Vennerstrand
Johannes Lundblad photoAdv Johannes LundbladPartner specialized in dispute resolution
Tomas Pleiner photoAdv Tomas PleinerPartner specialized in dispute resolution
Kristoffer Ribbing photoAdv Kristoffer RibbingPartner
Thomas Tendorf photoMr Thomas TendorfPartner specialized in dispute resolution
Peter Vennerstrand photoAdv Peter VennerstrandPartner
Torgny Wetterberg photoAdv Torgny WetterbergPartner specialized in dispute resolution
Total number of lawyers : 11