SIRIUS advokater > Copenhagen, Denmark > Firm Profile

SIRIUS advokater

Denmark > Employment Tier 2

SIRIUS advokater covers both the employer and the employee aspects of employment law, often advising on complex cross-border issues including business of transfers and employment abroad. The group also has a robust employment law disputes practice and represents both large and mid-size public and private businesses and organisations. Helle Nøhr Larsen heads the department and has over 30 years experience within both individual and collective labour law. Pernille Backhausen has extensive experience within executive compensation and benefits, and she has vast experience in handling and advising in strategic and tactical business matters and restructuring.

Practice head(s):

Helle Nøhr Larsen

Other key lawyers:

Pernille Backhausen; Peter Breum; Jacob Goldschmidt; Benjamin Lundström


‘Quality and availability, with a high degree expertise. A strong labour law team.’

‘Helle Nøhr Larsen has a personable approach. Strong knowledge in specialised areas of employment she makes operable.’

‘The team is very experienced and commercially savvy. In terms of number of specialists and experience, it is one of the leading teams in Denmark.’

‘Pernille Backhausen and Benjamin Lundström are strong practitioners in employment law.’

‘They are the best in their field arguing the employees’ right and goes all the way for their clients’

‘Peter Breum is sharp and experienced in labour law.’

‘Besides being one of the most knowledgeable law firms, their approach to both matters and clients are with curiosity and respect, seeking to find not only the best solution but also the most valuable solution for both parties.’

‘Benjamin Lundström and his team are extremely professional and we feel very confident and safe working with them.’

Key clients

Danske Hospitalsklovne

BLS Capital A/S

Ny Carlsberg Glyptotek

Novavi Foundation

Red Cross Asylum Department

Socialpædagogernes Landsforbund

HK Privat

Herlufsholm Skole & Gods

Dagbladet Børsen A/S

Yngre Læger

Denmark > Environment Tier 2

SIRIUS advokater‘s environmental practice group has extensive experience in providing advice on the intersection of environmental law with general public law issues including planning, nature protection, climate change and expropriation mandates, public utilities work and litigation arising out of the space. The team also has considerable expertise in advising the public utility sector and government entities. Søren Stenderup Jensen and Kurt Helles Bardeleben jointly lead the department; Jensen has extensive experience appearing before the Danish Supreme Court and the Environmental and Food Board of Appeal regarding soil contamination, EIA and expropriation under article 73 of the Danish Constitution, while Bardeleben handles public sector activities, particularly relating to transactions between the public and private sectors, and acts in lawsuits and arbitration proceedings involving public sector entities.

Practice head(s):

Søren Stenderup Jensen; Kurt Helles Bardeleben


‘They are easy to get a hold of. They process requests very quickly and with great precision.’

‘They have a deep understanding of our workplace, the tasks we do, and their counsel is based upon that knowledge. Especially our two main partners, Kurt Bardeleben and Søren Stenderup Jensen.’

‘Strong insights into the Danish laws, and an ability to navigate political processes.’

Key clients

NCC Industry A/S

Trelleborg AB

Telenor A/S

Nordic Waterproofing A/S

Municipality of Køge

Arwos Forsyning A/S

Din Forsyning A/S

SK Forsyning A/S

NK-Forsyning A/S

KLAR Forsyning A/S

Clearidium A/S


UTF Holding ApS

Taasinge Elementer A/S


FSK Foreningen Skaansomt Kystfiskeri

Municiplality of Stevns

Field’s A/S

Indsamling på Tværs I/S

Denmark > Real estate and construction

SIRIUS advokater’s comprehensive offering in the real estate and construction space includes handling infrastructure projects, public procurement work, regulatory issues, commercial letting matters, ESG mandates, planning and environmental law issues, contracts and dispute resolution, among others. Kim Ørnstrup RasmussenTina Ortega, Kurt Helles Bardeleben, Joachim Ørum Petersen, Thomas Grønkær and Tove Palnum Dyre comprise the team’s leadership group. Rasmussen leads on the construction front in conjunction with Ortega; the pair are go-to names for large-scale construction projects.

Practice head(s):

Kim Ørnstrup Rasmussen; Tina Ortega; Kurt Helles Bardeleben; Joachim Ørum Petersen; Thomas Grønkær; Tove Palnum Dyre

Other key lawyers:

Niels Kristian Bach Juhl


‘SIRIUS can be recommended for its distinctive strengths and capabilities. Potential clients would be keen to learn about the team’s exceptional expertise, steadfast dedication to delivering effective client solutions, and their ability to do so promptly while ensuring complete satisfaction.’

‘When working with SIRIUS, we have consistently encountered team members who are exceptionally competent in their respective roles.’

‘Tina Ortega together with Kim Ørnstrup Rasmussen have a team which are always professional, they are highly competent, professional, polite, pleasant, straight forward with a high level of expertise and work morale.’

‘Tina Ortega stands out. She is very knowledgeable and gives very sensible advice. She is pragmatic and very easy to work with a keen eye for the details of the cases.’

‘Kim Ørnstrup Rasmussen has great knowledge and work ethic, and an ability to see every problem from every angle to get the best result, which is unique.’

‘Niels Kristian Bach Juhl provides high quality legal advice and is not afraid to give a clear answer to any given question.’

‘Relevant knowledge about the business and understanding of the commercial aspects, not only the strictly legal.’

‘Kim Ørnstrup Rasmussen: experience from the adviser profession makes it easier to communicate, and we trust him very much because he sees the business from different angles.’

Key clients

Lokaltog A/S

The Danish Building Defects Fund

CSK Stålindustri A/S

DSV Road A/S / DSV Panalpina A/S, DSV Road Holding ApS and other companies within the DSV Panalpina Group

Brdr. K. Hansen

COBE arkitekter

Elindco A/S

Enemærke & Petersen

SK Forsyning A/S

Over Byen Arkitekter

Arkitema Architects

Taasinge Elementer A/S

Entreprenørfirmaet Einar Kornerup A/S

MT Højgaard Holding A/S

UTF Holding ApS

UTF Invest Nordsjælland ApS

Stay Properties ApS

Esbønderup Invest ApS

Viggo Pedersen & Søn A/S Byggeentreprise

Nectar Asset Management ApS

Protica Development ApS / Procita Properties ApS / Protica Property Group ApS

Sund & Bælt Holding A/S

Københavns Kommune

Køge Kommune




Allerød Kommune


2M El-Installation A/S


Hein 1 ApS

The municipality of Stevns

Athena Partners ApS

Høje Taastrup Forsyning

Ejendomsfonden Naturkraft

Casa Nord ApS

Jørgensen & Sønner A/S

Sommer Metalvarefabrik K/S

Bravida Danmark A/S

Thalbitzer & Hassenkamm Holding 2019 ApS


Liljeborg Ejendomme Roskilde I/S

Topsoe A/S

UTF Holding IV ApS


Boligkontoret Danmark

Ejendomsselskabet Gothersgade 55 ApS

Odsherred Forsyning A/S

Novafos A/S

Denmark > Commercial, corporate and M&A Tier 5

SIRIUS advokater renders advice to privately owned and Danish and international listed companies, as well as private equity funds, on a wide range of transactions. Olaf Carl Ehrenskjöld, Joachim Ørum Petersen and Anders Kjær Dybdahl jointly head up the Copenhagen-based team. Ehrenskjöld advises corporations, private equity houses and venture funds, while Peterson is a key name for negotiating terms and drafting transaction documents, and Dybdahl has a particular focus on transactions and investments.

Practice head(s):

Olaf Carl Ehrenskjöld; Joachim Ørum Petersen; Anders Kjær Dybdahl


‘The team displays quick turnarounds on tasks and cases they are familiar with, reflecting their proficiency. Services come at a premium.’

‘Engaging with the team is always pleasant, reflecting their dedication to forging strong, cordial relationships with clients.’

‘Very pragmatic and flexible to work with.’

‘Anders Dybdahl is proactive and has an eye for detail while also being pragmatic.’

Key clients

DSV Panalpina A/S (DSV Group)

M. Goldschmidt A/S

Medpro Clinic Sweden AB

Nordic Waterproofing A/S

Taasinge Elementer A/S

BLS Finans A/S / BLS Capital Fondsmæglerselskab A/S

Bikuben Fonden

NIL Technology ApS

Ellegaard Göttingen Minipigs A/S

Peter Möller Group AG and subsidiaries

Urban Core ApS

Jespers Torvekøkken ApS

Sirius Home A/S

ChronosHub ApS

H.W. Larsen A/S

Faves ApS

Roskilde Festival Charity Society

Creative Space A/S

Nordic Corporate Investment A/S

Cobe A/S

Carve Consulting P/S

Fire Eater A/S

Thiim A/S

Schades A/S and subsidiaries

EPAM Systems ApS

Simple Revolution ApS

WorldTicket A/S

Wolters Kluwer/CT Corporation

NCC Group

Bending Spoons Apps ApS and affiliates

UTF Holding ApS and subsidiaries (UTF Group)

Rosti A/S

Stay Properties ApS and subsidiaries

Foodoptimize ApS

ATLANT 3D Nanosystems ApS

Hartvig Gruppen

7 Days ApS

Eksponent ApS

Sterisafe Holding A/S

Neder Kjærsholm Holding ApS (Formerly DanBoring Holding ApS)

MHS Corporate Finance ApS

Lago Holding ApS

HedeDanmark A/S

Indoordesign ApS

Allan Plough A/S

The Curated ApS


Valida Health ApS

Bamboh Invest ApS

Work highlights

  • Advised Agreena on Series B funding round raising a total of €43m in February and March 2023.
  • Advised UTF Holding IV ApS on the sale of its entire shareholding of 66.67% in real-estate company UTF Invest Nordsjælland ApS, which owns two large properties.
  • Advised Creative Space ApS on negotiations and planning on the establishment of a new company structure for the Creative Space companies allowing for the daily management to overtake 75% of the ownership of the Creative Space group.

The firm: SIRIUS advokater is a distinguished law firm renowned for its commitment to professionalism and expertise and having a personalised approach with clients. Drawing upon the extensive experience and knowledge across diverse legal fields, SIRIUS advokater adeptly addresses client challenges with professionalism, efficiency, and with a focus on ethical and human integrity. The approach based on a robust foundation of specialised expertise cultivated over many years, both domestically and internationally, resulting in the delivery of solution-oriented, and value-enhancing legal guidance tailored to their clients’ specific needs.

SIRIUS advokater has a long-standing tradition of working with international and foreign clients, showcasing a deep understanding of international legal frameworks, cross-border legal complexities and cultural nuances. The international experience enriches the firm’s practice, both domestically and internationally.

Recognised for fostering a culture of positivity and individualism, SIRIUS advokater is dedicated to being responsible contributors to society. It is the firm believe that professionalism, empathy, and compassion are intertwined, with empathy and compassion not only enhancing the workplace environment but also facilitating a more complete advice to meet the clients’ needs.

Moreover, SIRIUS advokater is committed to fostering diversity among its employees and partners. The dedication to inclusivity extends beyond mere representation, as the firm actively promote an environment where individuals from all backgrounds feel valued, respected, and empowered to contribute with their unique perspectives. SIRIUS advokater believes that embracing diversity enriches the workplace culture, fosters innovation, and enables the firm to provide holistic and inclusive legal advice that truly meets the diverse needs of the clients and the broader community.

Department Name Email Telephone
Associations and Foundations - Charity Law Kim Pedersen +45 23 45 00 64
Associations and Foundations - Charity Law Aleksander Pilgaard +45 51 99 85 57
Mergers and Acquisitions Anders Kjær Dybdal +45 61 24 51 47
Corporate Law and Mergers and Acquisitions Joachim Ørum Petersen +45 28 26 31 55
Corporate Law and Mergers and Acquisitions Benjamin Lundström +45 20 40 82 22
Construction Law, Procurement Law, Real Estate and Commercial Leasing Kim Ørnstrup Rasmussen +45 20 69 36 83
Dispute resolution - litigation, arbitration, mediation and amicable settlements Benjamin Lundström +45 20 40 82 22
Dispute resolution - litigation, arbitration, mediation and amicable settlements Søren Stenderup Jensen +45 29 99 30 30
Employment and Labour Law Pernille Backhausen +45 40 34 23 64
Employment and Labour Law Benjamin Lundström +45 20 40 82 22
Insurance and Compensation Helle Hald +45 88 88 85 85
Insurance and Compensation Kim Pedersen +45 23 45 00 64
Intellectual Property Law Gitte Løvgren Larsen +45 20 62 80 31
Tax Kim Pedersen +45 23 45 00 64
Public regulation - Environmental law - planning law Søren Stenderup Jensen +45 29 99 30 30
Public regulation - Environmental law - planning law Pernille Backhausen +45 40 34 23 64
Commercial Contracts Gitte Løvgren Larsen +45 20 62 80 31
Company Law and Commercial Law Anders Kjær Dybdahl +45 61 24 51 47
Danish and other Scandinavian languages