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Key contacts
Senior Partner : Pavle Pensa
Senior Partner: Aleksandra Jemc Merc
Senior Partner: Jure Levovnik
Quick facts
Number of partners

13

Total number of lawyers

48

Memberships

Loan Market Association, Lawyers & Friends SE European Legal Network

Languages

English, French, German, Italian, Serbian, Croatian, Spanish, Slovenian

Key practice areas
Financial and corporate
Energy and infrastructure
Project development
Firm overview

Jadek & Pensa is recognised as one of the market leaders in Slovenia, with a focus on commercial and corporate law and transactions, providing services to major and mid-size domestic and multinational companies, financial institutions, governments and stateowned entities. With origins dating back to 1958, the firm combines a deep understanding of the local legal landscape with a business-oriented approach.

The firm is known as the only Band 1 law firm in Slovenia with integrated Tax and Labour in-house departments, specialized for the most complex cases. This unique combination enables Jadek & Pensa to provide comprehensive legal solutions, supporting clients in navigating intricate legal challenges.

Jadek & Pensa advises major domestic and international companies across various industries, including banking and finance, energy, investment funds, construction, real estate, technology, and healthcare. The firm also provides cross-border legal support through its established network of leading law firms across Europe and beyond.

With a strong emphasis on teamwork, integrity, and client commitment, Jadek & Pensa continues to be a trusted partner for businesses seeking reliable legal guidance in Slovenia

Address:
Tavčarjeva 6
Ljubljana 1000
Ljubljana, 1000
Tel:+386 1 234 520 Fax:+386 1 234 2532 Email:Contact Us Web Address:https://www.jadek-pensa.si/en/
Rankings published in 2026
Financial and corporate
Tier 1
23 firms ranked
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Tier 1

Jadek & Pensa
3 practice areas
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Law firm Kavčič Bračun & Partners
2 practice areas
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ODI Law Firm
3 practice areas
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Rojs Peljhan Prelesnik & Partners
3 practice areas
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Schoenherr Slovenia
3 practice areas
View profile
Wolf Theiss
3 practice areas
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Šelih & Partnerji
3 practice areas
View full profile

Tier 2

CERHA HEMPEL
3 practice areas
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CMS Reich-Rohrwig Hainz
3 practice areas
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Ketler & Partners member of Karanovic
2 practice areas
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Law firm Sibinčič Novak & Partners
1 practice area
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PFP Law
3 practice areas
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Senica and Partners
2 practice areas
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Tier 3

Kirm Perpar law firm
2 practice areas
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Law Firm Fatur Menard
2 practice areas
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Law firm Zaman and Partners
1 practice area
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Nlaw
1 practice area
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Odvetniška družba Lukman
2 practice areas
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Tier 4

Deloitte Legal
1 practice area
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Kosmac Law Office
2 practice areas
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Notable

Kosmac Law Office
2 practice areas
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Law firm Zagorc & Partners
1 practice area
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Odvetniška pisarna Karmen Rebesco
2 practice areas
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Simončič & Terlep Law Firm
2 practice areas
View profile
Project development
Tier 1
17 firms ranked
View full list

Tier 1

Jadek & Pensa
3 practice areas
View full profile
Ketler & Partners member of Karanovic
2 practice areas
View profile
Rojs Peljhan Prelesnik & Partners
3 practice areas
View profile

Tier 2

AZ Attorneys
2 practice areas
View full profile
Law firm Kavčič Bračun & Partners
2 practice areas
View full profile
ODI Law Firm
3 practice areas
View full profile
Šelih & Partnerji
3 practice areas
View full profile

Tier 3

Odvetniška družba Lukman
2 practice areas
View full profile
Schoenherr Slovenia
3 practice areas
View profile
Senica and Partners
2 practice areas
View full profile
Wolf Theiss
3 practice areas
View profile

Tier 4

CMS Reich-Rohrwig Hainz
3 practice areas
View profile
PFP Law
3 practice areas
View profile
Simončič & Terlep Law Firm
2 practice areas
View profile

Notable

CERHA HEMPEL
3 practice areas
View full profile
Kirm Perpar law firm
2 practice areas
View profile
Kosmac Law Office
2 practice areas
View profile
Linked Reviews
Financial and corporate

Jadek & Pensa is an independent full-service law firm headquartered in Ljubljana. The firm's history could be tracked back to1958. The firm boasts of being one of the market leaders in Slovenia providing exceptional legal services to domestic and international clientele. The deal team is made up of prominent Slovenian legal practitioners including Pavle Pensa, Andraž Jadek and Srečo Jadek, among others. The firm has strong record of advising on significant M&A transactions. The firm has experience in public procurement and projects including project financing.

 

Highlights  

Jadek & Pensa advised Telemach Slovenija d.o.o on the carve out of its fixed infrastructure business into a new company. The team drafted all the required rnasaction documentation and related documents, as well as provided detailed advice on the particularities of the transaction. The team acted as lead counsel and was led by Nastja Merlak and Ožbej Merc. The transaction closed in March 2024.  

The firm also advised 2TDK, d.o.o. on the construction of the second track of the railway between Divača and the Port of Koper, a major port in the Adriatic Sea. Their work included the preparation of FIDIC based construction agreements and several other ongoing issues and requests. The project is currently ongoing and led by partners Andraž Jadek and Borut Leskovec.  

 

Key Clients  

TelemachLeubeHidriaLighthouseDARS d.d.; 2TDK, d.o.o.; DC Naložbe d.o.o. 

 

Testimonials 2024/2025 

We appreciate the team’s experience in this field, preparation and support in negotiations. (M&A) 

The team representing Jadek & Pensa were extremely professional and managed a very difficult transaction within the agreed time frames and were always available no matter what time of day. (Banking & Finance)   

The team is professional with a large scale of knowledge and experiences. (Banking & Finance) 

The firm demonstrates intellectual integrity. (Project Development) 

I can confidently say that they are an exceptional legal partner. The team at Jadek & Pensa brings a rare combination of deep legal expertise, strategic thinking, and a collaborative spirit that consistently adds value to every engagement. (Project Development) 
 
Throughout our collaboration, Jadek & Pensa has demonstrated a proactive and detail-oriented approach, and often anticipated legal challenges and offered practical, well-reasoned solutions. Their communication is clear, timely, and always constructive—whether they are reviewing documentation, advising on regulatory frameworks, or coordinating with stakeholders under tight deadlines. (Project Development) 

The team fosters a positive working dynamic, even in high-pressure situations, and their professionalism is matched by a personable and respectful demeanour. (Project Development) 

They are experts in building law, do in-depth research, and are very effective. They are a great team that is always available for consultation. (Project Development) 

 

I have had the pleasure of working with Eva Gostiša on several complex legal and regulatory matters, and I can confidently say that she is an exceptional legal partner. Eva brings a rare combination of deep legal expertise, strategic thinking, and a collaborative spirit that consistently adds value to every engagement. (Project Development) 

Throughout our collaboration, Eva Gostiša has demonstrated a proactive and detail-oriented approach, often anticipating legal challenges and offering practical, well-reasoned solutions. Her communication is clear, timely, and always constructive—whether she is reviewing documentation, advising on regulatory frameworks, or coordinating with stakeholders under tight deadlines. (Project Development) 
 
What sets Eva Gostiša apart is her ability to balance precision with approachability. She fosters a positive working dynamic, even in high-pressure situations, and her professionalism is matched by a personable and respectful demeanour. (Project Development) 

Eva Gostiša has expert knowledge in building law and is very dedicated to every case, she helps us with developing infrastructure projects. (Project Development) 

Luka Hribernik provides good support and is well organized. (Banking & Finance) 

Andraž Jadek has a professional approach, deep knowledge, and high level of experiences. (Banking & Finance) 

Gregor Kovačič is great in building law, has a lot of experience with large infrastructure projects, and is dedicated to every case. (Project Development) 

We appreciate Ožbej Merc’s holistic view, negotiations, and tactical preparation. (M&A) 

Nastja Merlak is responsive and proactive, has excellent communication skills, and a good understanding of our business. (Banking & Finance) 

Daniela Sindičič makes realistic arguments. (Project Development) 

 

Testimonials 2023/2024

"The work was done professionally, precisely, accurately, and expertly." (Banking Client)

"The team was knowledgeable, professional, with a commercial focus and always very responsive." (M&A Client)

360-degrees approach, covering all the legal areas.” (M&A Client) 

Andraž is an excellent lawyer. He has sharp analytical skills and is very detailed. Throughout my interactions with Andraž, I have found him to be very reliable and responsive.” - Andraž Jadek, Firm Partner 

He is very professional, precise professional, punctual, exceptional negotiation skills.” - Andraž Jadek, Firm Partner 

Clear communication and great knowledge.” - Ozbej Merc, Firm Senior Partner  

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Deal Highlights
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