Firm Profile > Cirio Advokatbyrå AB > STOCKHOLM, Sweden

Cirio Advokatbyrå AB
BOX 3294

Data privacy and data protection Tier 1

Cirio Advokatbyrå AB’s data privacy and information security practice is headed up by Caroline Olstedt Carlström, whose expertise is long-established in the market. The team advises a roster of multinational clients on regulatory and strategic data protection and privacy mandates, while also acting as DPO to numerous high-profile companies. The group also handles GDPR implementation projects and ongoing internal governance issues. David Frydlinger applies his data protection knowledge to digital outsourcing and joint venture projects.

Practice head(s):

Caroline Olstedt Carlström

Other key lawyers:

David Frydlinger


‘Caroline Olstedt Carlström is very good on privacy and grasps problems fast.’

‘We work mostly with Caroline Olstedt Carlström who is always very competent and available.’

‘I love the team’s spirit and likeability. They’re extremely nice to work with and it feels very safe and nice to have them representing us in discussions with courts and authorities.’

‘Caroline Olstedt Carlström has a corporate background that gives her the opportunity to think risk based and business oriented.’

Key clients







UC / Asiakastieto

Klarna Bank

Riksidrottsförbundet (The Swedish Sports Confederation)

Kompetensföretagen (Swedish Staffing Agencies)


Viking Line

Noviral AB

Energy Tier 1

Cirio Advokatbyrå AB’s energy team is highly active in the offshore wind farm sector; practice head Jörgen Möller handles high-value transactions for developers, investors and lenders. The team also advises on developments and transactions involving district heating, biogas and hydropower projects. Möller and managing associates Maria Hanbo and Philip Tonkin also assist with procurement deals, including expansion projects for energy grid utility buyers.

Practice head(s):

Jörgen Möller

Other key lawyers:

Maria Hanbo; Philip Tonkin


‘A fantastic team, always there for us. Find solutions to be available whenever needed, even though we know how busy they are. Expertise in every field we need in the energy sector including M&A, and give us new ideas and perspective to find the best possible solutions.’

‘They work as a team! Really understand and support in the whole process.’

‘Very strong knowledge and capabilities across different types of legal questions. Very good market intelligence.’

‘Jörgen Möller (partner): very high market intelligence, practical advice where suitable but also very strong in complex cases.’

Key clients

JP Morgan Asset Management



Greystone Managed Investments

BayWa r.e.

Scandinavian Biogas group



CapMan Infra

Fontavis AG

Switch Nordic Green


Polhem Infra

Insolvency Tier 1

Cirio Advokatbyrå AB has a full-service insolvency and restructuring practice, which is closely integrated with the banking and finance team. Practice heads Lars-Henrik Andersson and Pierre Pettersson, with Karl Björlin, are regularly appointed by the courts in high-profile bankruptcies, recently in the clothing, cycling, fintech and travel sectors. The team also advises on distressed debt restructurings, refinancing negotiations, workouts and insolvency-related litigation, with advice given to corporate clients as well as creditors. The firm recently recruited senior consultant Odd Swartling, who has extensive insolvency expertise and knowledge of the life sciences sector.

Practice head(s):

Lars-Henrik Andersson; Pierre Pettersson

Other key lawyers:

Karl Björlin; Odd Swartling


‘Cirio has a strong insolvency law department and regularly receives major bankruptcies. The co-owners have great knowledge and are focused on working for the creditors’ best interests.’

‘Lars Henrik Andersson is a very good acquirer of large bankruptcies. Pierre Pettersson is probably one of the most skilled insolvency law lawyers in Sweden. They form a good team together.’

‘They are among the very top firms in Sweden in this area, great team with vast experience, strengthened by the corporate and banking and finance practice areas of the firm.’

‘Lars-Henrik Andersson, top-lawyer with a business-minded approach, not like any other insolvency lawyer. Pierre Pettersson, hard-working and to the point, very likeable, with great experience in corporate reorganisation work.’

‘The level of competence at the firm is very high and they cover all parts in terms of insolvency. The lawyers are also very accessible and easy to get in touch with.’

‘They are creative and constantly try to find solutions that benefit us. We have very high confidence in the team.’

‘Lars-Henrik Andersson is a very experienced and pragmatic bankruptcy receiver. Understands the bigger picture.’

‘Experienced and competent lawyers who are easy to talk to and are willing to compromise to achieve the best possible result.’

Key clients

BIG Travel Sweden

Vasakronan AB


Swedish Government (Regeringskansliet)

BST BrandSkyddsTeamet Group

Shipping Tier 1

Erik Linnarsson leads Cirio Advokatbyrå AB’s shipping practice and has a focus on corporate activity in the sector, including maritime M&A, pre-emptive restructuring procedures, windups and financing mandates. Other noteworthy team members include Philip Tonkin, who is an expert in dry shipping matters; Carl Axel Morvay, who is a go-to name for ship financing work; and Olle Nykvist, who handles shipping-related disputes including damages claims. Clients include freight operators, ship owners and tourism operators.

Practice head(s):

Erik Linnarsson

Other key lawyers:

Philip Tonkin; Carl Axel Morvay; Olle Nykvist


‘Cirio has one of the premier shipping practices in Sweden and, as such, are very plugged in with the latest trends in the industry.’

‘Erik Linnarsson is one of the statesmen of Swedish shipping and his experience and gentlemanly approach always makes it a joy to work with him.’

‘We like working with Philip Tonkin. He is very bright, understands shipping and gets things done.’

‘Good team with mixed age. They have maintained their position in the market even though there is much less shipping work around.’

‘Erik Linnarsson is very experienced and a super reliable transactional lawyer.’

‘They are not only very capable and efficient, but they are also very practical and pragmatic, which is a big advantage to many of their competitors.’

‘Erik Linnarsson and Philip Tonkin are excellent to work with. They really take an interest in their clients’ businesses and go out of their way to give excellent counsel as well as practical solutions to complex problems.’

Key clients

NKT HV Cables AB

Viking Line Abp

Stromma Group

Gard (Sweden) AB

Swedish Orient Line

Banking and finance Tier 2

Cirio Advokatbyrå AB’s banking and finance practice head Dennis Luttropp Hansson provides a roster of alternative debt providers, international banks and corporate borrowers with advice on the breadth of mandates, including complex leveraged financings, bond issuances and loan restructurings. Jesper Johansson, who is a prominent name in real estate financing, advises investors and institutional lenders including the largest banks from the Swedish and international markets. Fintech companies and financial institutions also take advantage of the robust regulatory knowledge in the team.

Practice head(s):

Dennis Luttropp Hansson

Other key lawyers:

Jesper Johansson; Carl Axel Morvay


‘They have the depth of understanding to handle some of the most complex matters in today’s market. In our experience the Cirio finance team always delivers on time and budget.’

‘Jesper Johansson is very much into the details and is hands on.’

‘Carl Axel Morvay has both great energy and commercial nous so we find that we always gets the job done in a sensible and timely manner.’

Key clients

Nordea Bank



DNB Bank

Arctic Securities

Deutsche Pfandbriefbank


Aareal Bank


AB Sagax

Atrium Ljungberg

Humlegården Fastigheter

BEWISynbra Group


Munters Group



Insurance Tier 2

Cirio Advokatbyrå AB’s insurance practice head Carl-Olof Bouveng works closely with the firm's financial regulatory department to provide multinational insurance companies with expert advice on cross-border regulatory matters. Recent instructions included group policy structuring issues, corporate transactional activity, W&I matters and insurance product launches; the group also handles portfolio transfers and defends clients against damages and liability claims.

Practice head(s):

Carl-Olof Bouveng

Key clients




ICA Försäkring




IT and telecoms Tier 2

Cirio Advokatbyrå AB’s digital synergy practice group draws on expertise from the firm's transactional and commercial groups to handle complex IT outsourcing projects for a prestigious client base. Practice head David Frydlinger, Erik Bergenstråhle, Peter Lilja and senior counsel Anders Christner recently advised both buyers and providers in the financial services, medtech and telecoms sectors. Innovative software, gaming and AI clients also engaged the firm on corporate M&A transactions, capital markets listings and reverse takeovers.

Practice head(s):

David Frydlinger

Other key lawyers:

Erik Bergenstråhle; Peter Lilja; Anders Christner

Key clients



Telia Company


CompuGroup Medical


Klarna Bank




Public procurement Tier 2

Cirio Advokatbyrå AB assists contracting authority and supplier clients from a variety of sectors with all elements of the procurement process, including strategic planning issues, bidding mandates, contract drafting work and disputes. Eva-Maj Mühlenbock, who leads the team, is a highly respected name in the area and advises private companies and contracting entities in the IT, defence and life sciences sectors, while Olof Hallberg represents clients in review procedures and damages disputes up to Supreme Court level.

Practice head(s):

Eva-Maj Mühlenbock

Other key lawyers:

Olof Hallberg; Lukas Granlund; Robin Heimdahl


‘Their experience and knowledge of complex matters is extensive and their outstanding performance is a direct result of them being able to use that extensive knowledge. They always display mastery of their legal area and always explain with an agile sense of what’s at stake.’

‘Eva-Maj Mühlenbock is no doubt one of the 2-3 best in the country when it comes to her area of expertise. Her knowledge of complex matters is extensive and she has really helped us in becoming the most progressive and sought after player in our field of business. She always displays mastery of the public procurement area, is always engaging and is always extremely well informed.’

‘For many years, the firm has helped us in legal matters and shown consistent and high quality advice. Key competencies: 1. Very good knowledge of the regulations. 2. Very good ability to listen and understand us as a customer. 3. Practical experience and ability to translate it into innovative solutions 4. Very good ability to highlight our message in a structured and simple way in writing.’

Key clients

Marfina S.L.

Försvarets Materielverk

Lernia Utbildning AB

Länstrafiken i Jämtlands län AB

AB Stockholmshem

Clear Channel Sverige AB

Capital markets Tier 3

Cirio Advokatbyrå AB advises issuers from a range of sectors including the life sciences, real estate, energy and infrastructure industries on the breadth of equity capital markets projects. Practice head Annika Andersson recently handled mid-cap private placements, directed share issuances and public offers. Jesper Johansson and Dennis Luttropp Hansson take the lead on debt capital markets instructions; investment-grade and high-yield bonds are particular fields of focus.

Practice head(s):

Annika Andersson; Dennis Luttropp Hansson

Other key lawyers:

Jesper Johansson


‘Innovative, always on the frontline seeking opportunities to solve a problem.’

‘Knowledgeable, perceptive, well-structured and dedicated team.’

Key clients


Elekta AB

AB Sagax

BEWiSynbra Group AB

Green Landscaping AB

Abliva AB (formerly NeuroVive AB)

Karolinska Development AB

Artificial Solutions International AB

MaxFastigheter i Sverige

GHP Speciality Care AB

Humlegården Fastigheter AB

Commercial, corporate and M&A Tier 3

Peter Lilja spearheads Cirio Advokatbyrå AB’s corporate M&A department, which is retained by global corporates for transactional mandates. Annika Andersson leads on public takeovers, while Lennart Pettersson’s lateral move from White & Case Advokat AB strengthened the group's private equity skill set. The team is highly active in the technology and industrial sectors. Co-head Erik Bergenstråhle’s strategic contracts practice is enhanced by the utilisation of the Vested sourcing business model, which enhances customer-supplier business relations.

Practice head(s):

Peter Lilja; Annika Andersson; Erik Bergenstråhle

Other key lawyers:

Lennart Pettersson; Josephine Gejard


‘The team is very cohesive and is quickly up to speed on all issues. One key strength is their ability to be both pragmatic while still working on finding the best solution for their client. I think they’re very in-line with market standards and stay relevant on most issues.’

‘Entire team – from junior to partner – is very hands-on and communicates well with the clients. Both Peter Lilja and Josephine Gejard are very pleasant to work with and always deliver balanced recommendations that enable each project to move forward in a pragmatic way.’

‘This practice provides excellence in legal skills but also great customer attention with a unique capacity to very quickly create a slim and efficient team to bring support on complex projects and issues. When reaching out as a client you get immediate, competent and flexible support.’

Key clients


Nalka Invest/Inter IKEA

Telia Company

Astra Zeneca


Enercon GmbH


ICA Gruppen


Axel Johnson International

Polhem Infra

EU and competition Tier 3

Cirio Advokatbyrå AB advises on the breath of competition law matters ranging from merger control filings and compliance reviews to abuse of dominance and cartel investigations and litigation. Practice head Ulrica Salomon, with assistance from senior associate Robin Heimdahl, is also strong on matters of state aid, specifically in the transport and aviator sectors. Eva-Maj Mühlenbock provides expertise in matters at the cross section of competition and public procurement law.

Practice head(s):

Ulrica Saloman

Other key lawyers:

Robin Heimdahl; Eva-Maj Mühlenbock


‘The team demonstrates excellent knowledge in the field and has the ability to give an answer adapted to the individual circumstances of the case.’

‘I must emphasise Ulrica Salomon’s client focus and willingness and ability to deliver. She asks the necessary and right questions to make sure that her advice answers the customer’s problems.’

Key clients

Randstad Sweden Group AB

Yamaha Motor Europe N.V.

Nalka Invest AB

Kalmar Öland Airport AB

Strömma Turism och Sjöfart AB

Intellectual property and media Tier 3

Cirio Advokatbyrå AB fields a broad bench of IP experts, which includes practice co-head Sanna Wolk, who is a go-to name for contentious and non-contentious digital copyright matters. The team handles commercial and licensing work in the technology sector, and in the brand protection space, co-head David Leffler routinely acts in trade mark prosecution, enforcement, opposition and revocation actions. Co-head Christopher Tehrani takes the lead on patent and trade secret litigation mandates, including disputes concerning medical devices and pharmaceuticals products.

Practice head(s):

Sanna Wolk; David Leffler; Christopher Tehrani


‘The team is unique due to highly skilled lawyers. It is hard to find more specialised lawyers in this area of expertise.’

‘Sanna Wolk is perhaps one of the best IP lawyers in Sweden.’

‘We have been so happy with the services provided, the team has comprehensive knowledge of the field, and always come up with various solutions to our problems.’

‘Sanna Wolk is so knowledgeable and so passionate about her field that it is always inspiring to work with her.’

‘A relatively young team with strong presence in the market. Attentive to clients’ needs and sound commercial advice.’

‘Christopher Tehrani is head of patent and trade secrets and has great knowledge within patent litigation. He is dedicated and always available.’

‘I worked with Christopher Tehrani several years ago. He is a very good lawyer and upcoming IP star in Sweden. I hope to have the opportunity to work together with him again in the future.’

Key clients

HP PPS Sverige AB

British American Tobacco Sweden AB

Komplementskolan Sverige AB (Binogi)


Mental Health in Mind International AB

Stockholm Live AB

Wasserman Medic AB

Karnov Group AB

HealthTextiles I Sverige AB

Real estate Tier 3

Established as a standalone firm in 2019, Cirio Advokatbyrå AB's team members have longstanding experience in all areas of real estate law. Johan Hessius leads the real estate M&A practice and has expertise in private and public acquisition transactions, while Olof Hallberg's additional experience in environmental law makes him a key name for development projects. Former practice head Mikael Stabo departed in 2020 to Hannes Snellman.

Practice head(s):

Johan Hessius

Other key lawyers:

Olof Hallberg; Joel Sandin Persson


‘Cirio gives us excellent attention and can provide very good services in all legal areas required in more complex transactions. In addition to their M&A team we have also worked closely with their banking and finance people and specialists in real estate law such as planning, environmental and lease related matters.’

Key clients

AB Sagax

Axa Real Estate

SHH Bostad AB

Bantorget Hyresbostäder AB

Midroc Property Development AB

Västerkulla Hotell Holding AB

Söderport Fastigheter AB

Danator Group AB

Runö Fastigheter AB

Humlegården Fastigheter AB

The firm: The firm’s heritage dates back to a law firm founded in 1918 in Stockholm and as of 1 January 2019 the firm continues to conduct its business under the new name Cirio with around 130 co-workers. The firm continues to build its strategy formulated and successfully implemented over the last few years. Cirio builds on a heritage of providing first class legal advice, aiming to take legal advice to a new level and to be even more innovative for the benefit of our clients and talents. The launch of Cirio will be a catalyst for broader changes in the way a law firm operates and the role it plays in society and business.

Cirio has developed specialised competence across three synergy areas – digital, biological and physical – that enable us to add deep industrial knowledge, commercial and technical understanding to our four areas of legal expertise:

  1. Transactional services
  2. Business strategy and operations services
  3. Special situations services
  4. Collaborative innovation services


  1. In the digital area of information and communication technology, we cover disruptive technologies such as artificial intelligence and block chain, data, software, cloud and digital infrastructure.
  2. In the biological area of life science, we cover pharmaceuticals, medical technology, health-care and food.
  3. In the physical areas, we cover energy, real estate, infrastructure and logistics.

In addition, we have developed leading expertise at the intersection of these areas, with teams that work seamlessly across the various areas.

Our firm works hard to be the most sustainable law firm in Sweden, both from a social and environmental perspective. We have a detailed plan to reach equal gender representation in the partnership, and we work strategically to become the most attractive law firm to work at, not least by making sure that working conditions are sustainable.

Areas of practice: Cirio is a law firm with a complete offering for the clients we work with, which client base ranges from corporate clients and PE funds to international law firms. For this reason, we have a natural focus and strong team in the transactional practice areas, including private and public M&A and banking and finance (including insolvency and restructuring) and litigation.

Our restructuring and insolvency team distinguishes itself from competition in the Swedish market by being closely integrated with our banking and finance practice, and thus by being able to offer in-depth knowledge throughout the entire financing cycle.

We combine this with a strong offering in our focus business sectors, such as life sciences, ICT, energy, infrastructure and real estate. Those business areas are best summarized in the digital, biological and physical areas, all important sectors improving the way both business and society work in the fourth industrial revolution.

In order to assist our clients in all aspects, we offer strong practice in areas such as: collaborative innovation; competition; compliance; public procurement; insolvency; insurance and intellectual property.

Department Name Email Telephone
Mergers & Acquisitions Peter Lilja
Mergers & Acquisitions Anders Moberg
Equity Capital Markets and Public M&A Annika Andersson
Equity Capital Markets and Public M&A Maria Arnoldsson
Private Equity Peter Lilja
Private Equity Peter Högström
Banking & Finance and Debt Capital Markets Dennis Luttropp Hansson
Banking & Finance and Debt Capital Markets Jesper Johansson
Outsourcing and Supply Chain Erik Bergenstråhle
Sales, Distribution and Franchising Erik Bergenstråhle
Sales, Distribution and Franchising David Frydlinger
Intellectual Property Sanna Wolk
Competition Law and State Aid Ulrica Salomon
Competition Law and State Aid Eva-Maj Mühlenbock
Public Procurement Eva-Maj Mühlenbock
Public Procurement Olof Hallberg
Data privacy and Information Security Caroline Olstedt Carlström
Data privacy and Information Security David Frydlinger
Corporate Sustainability Sanna Wolk
Corporate Sustainability David Frydlinger
Dispute Resolution Daniel Lander
Dispute Resolution Olle Nykvist
Restructuring and Insolvency Lars-Henrik Andersson
Restructuring and Insolvency Pierre Pettersson
Collaborative Innovation - Vested David Frydlinger
Collaborative Innovation - Vested Erik Linnarsson
Relational Contracting David Frydlinger
Relational Contracting Erik Linnarsson
Transportation / Shipping Erik Linnarsson
Energy Jörgen Möller
Infrastructure Peter Högström
Life Sciences Per Hedman
Real Estate Johan Hessius
Photo Name Position Profile
 Annika Andersson  photo Annika Andersson Partner Annika Andersson is head of Cirio’s Equity capital markets and Public…
 Lars-Henrik Andersson  photo Lars-Henrik Andersson Lars-Henrik is a partner and specialises in banking and finance, insolvency, restructuring…
 Maria Arnoldsson  photo Maria Arnoldsson Partner Maria specialises in capital markets and corporate law with a main…
 Erik Bergenstråhle photo Erik Bergenstråhle Partner Erik is heading Cirio’s strategic contracts group. Erik has 25 years…
Adv Karl Björlin  photo Adv Karl Björlin Partner
 Carl-Olof Bouveng  photo Carl-Olof Bouveng Partner Carl-Olof has key expertise in corporate law, mergers & acquisitions and…
 Caroline Olstedt Carlström photo Caroline Olstedt Carlström Partner Caroline is head of Cirios’s data privacy group. She has more…
 Carl Gustaf De Geer  photo Carl Gustaf De Geer Senior Counsel
 David Frydlinger  photo David Frydlinger Partner David is Cirio’s managing partner and also head of Cirio’s digital…
 Peter Högström  photo Peter Högström Partner Peter works with corporate law, M&A, venture capital, capital markets as…
 Olof Hallberg  photo Olof Hallberg Partner Olof specialises in real estate, environment and public procurement. Olof has…
 Per Hedman  photo Per Hedman Partner Per specialises in M&A and private equity including venture capital. He…
 Johan Hessius  photo Johan Hessius Partner Johan has more than 30 years of experience in corporate law…
 Jesper Johansson  photo Jesper Johansson Partner Jesper specialises in banking and finance and his main focus is…
 Daniel Lander  photo Daniel Lander Partner Daniel is head of Cirio’s Dispute Resolution team. He is an…
 Peter Lilja  photo Peter Lilja Partner Peter is head of Cirio’s mergers and acquisitions group and specialises…
 Erik Linnarsson  photo Erik Linnarsson Partner Erik specializes in international trade and maritime and transport law. He…
 Dennis Luttropp Hansson  photo Dennis Luttropp Hansson Partner Dennis is part of Cirio’s banking and finance group and has…
 Jörgen Möller  photo Jörgen Möller Partner Jörgen co-heads Cirio’s physical synergy area, with a specific focus in…
 Anders Moberg  photo Anders Moberg Partner Anders focuses on M&A and other transactional law. He has extensive…
 Carl Axel Morvay  photo Carl Axel Morvay Partner Carl Axel is part of Cirio’s Banking & Finance and Debt…
 Eva-Maj Mühlenbock photo Eva-Maj Mühlenbock Partner Eva-Maj has extensive experience in advising clients in both public and…
 Olle Nykvist  photo Olle Nykvist Partner Olle has a solid background in the area of dispute resolution…
Mr Pierre Pettersson photo Mr Pierre Pettersson Pierre is a partner and mainly specialises in restructuring and insolvency and…
Adv Lennart Pettersson  photo Adv Lennart Pettersson Partner
 Ulrica Salomon  photo Ulrica Salomon Partner Ulrica is head of Cirios’s public business and competition law group.…
 Odd Swarting  photo Odd Swarting Senior Counsel
 Christopher Tehrani  photo Christopher Tehrani Senior Counsel Christopher Tehrani heads Cirio’s patent and trade secret litigation practices.…
 Sanna Wolk  photo Sanna Wolk Professor / Head of IP & Corporate Sustainability
Total number of lawyers : 90