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Dittmar & Indrenius

Finland

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Key contacts
Managing Partner: Gabrielle Dannberg
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Senior Partner: Anders Carlberg
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Partner, Transactions: Mikko Eerola
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Partner, Disputes: Jussi Lehtinen
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Partner, Innovations: Jukka Lång
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Quick facts
# Partners

23

# Total number of practitioners

80

Languages

English, Finnish, Swedish

Key practice areas
Banking and finance
Banking
Capital markets
Capital markets : Debt
Capital markets : Equity
Financial and corporate
M&A
Energy and infrastructure
Project development
Firm overview

Dittmar & Indrenius is a leading Finnish law firm delivering comprehensive legal expertise across all practice areas and industry sectors. Our reputation is built on handling some of the most significant deals and disputes of recent decades, serving Finnish companies and institutions, large investors, and leading international law firms. In 2025, we were awarded for Excellence in Client Relations, placing us among Finland's top three law firms in Law Firm of the Year study.

Our Powerhouse service model delivers precisely the right expertise when needed, with integrated teams focused on achieving our clients‘ business objectives. This approach unites specialists from across our firm, creating seamlessly integrated teams operating across four core areas: Transactions, Disputes, Innovations, and Strategic Advisory. The result is forward-thinking legal guidance that drives our clients‘ success and sustainable growth.

Connect with us

Personnel
LinkedIn
Meet the team
Managing partner biography
Events

Matters & news
Latest news

Policies & brochures
Sustainability Report 2024
ESG & sustainability
Cultural cornerstones, diversity & inclusion at Dittmar & Indrenius

Key practice areas
  • Banking
  • Capital markets: Debt
  • Capital markets: Equity
  • Competition
  • Financial restructuring
  • Financial services regulatory
  • M&A
  • Private equity
  • Project finance
  • Real estate finance
  • Securitisation
  • Structured finance/securitisation

Click here for more details.

Key practice contacts

M&A
Anders Carlberg
anders.carlberg@dittmar.fi

Gabrielle Dannberg
gabrielle.dannberg@dittmar.fi

Jasper Kuhlefelt
jasper.kuhlefelt@dittmar.fi

Banking
Juha-Pekka Mutanen
juha-pekka.mutanen@dittmar.fi

Financial services regulatory
Kristian Karlsson
kristian.karlsson@dittmar.fi

Project finance
Eeva-Lotta Kivelä
eeva-lotta.kivela@dittmar.fi

Financial restructuring
Juhani Lautjärvi
juhani.lautjarvi@dittmar.fi

Capital markets: Equity
Mia Mokkila
mia.mokkila@dittmar.fi

Sector expertise
  • Automotive
  • Banking
  • Energy
  • Financial services
  • Forestry
  • Industrials
  • Investment management
  • Mining
  • Natural resources
  • Oil and gas
  • Pharmaceutical and life sciences
  • Real estate
  • Technology and telecommunications

Click here for more details.

Address:
Pohjoisesplanadi 25 A
Helsinki, FI-00100
Tel:+358 968 1700 Email:Contact Us Web Address:http://www.dittmar.fi
Rankings published in 2026
Banking and finance
Tier 2
16 firms ranked
View full list

Tier 1

Borenius
10 practice areas
View full profile
Castrén & Snellman
9 practice areas
View full profile
Hannes Snellman
9 practice areas
View full profile
Krogerus
9 practice areas
View full profile
Roschier
9 practice areas
View full profile

Tier 2

Avance
9 practice areas
View profile
Bird & Bird
10 practice areas
View profile
Dittmar & Indrenius
9 practice areas
View full profile
HPP Attorneys
5 practice areas
View full profile
Waselius
9 practice areas
View full profile
White & Case
9 practice areas
View profile

Tier 3

DLA Piper Finland
9 practice areas
View profile

Tier 4

Dottir Attorneys
7 practice areas
View full profile
Merilampi Attorneys
6 practice areas
View profile

Notable

EY Law Finland
4 practice areas
View full profile
Eversheds Sutherland
5 practice areas
View profile
Capital markets : Debt
Tier 4
11 firms ranked
View full list

Tier 1

Borenius
10 practice areas
View full profile
Castrén & Snellman
9 practice areas
View full profile
Krogerus
9 practice areas
View full profile
Roschier
9 practice areas
View full profile
White & Case
9 practice areas
View profile

Tier 2

Hannes Snellman
9 practice areas
View full profile
Waselius
9 practice areas
View full profile

Tier 3

DLA Piper Finland
9 practice areas
View profile

Tier 4

Avance
9 practice areas
View profile
Bird & Bird
10 practice areas
View profile
Dittmar & Indrenius
9 practice areas
View full profile
Capital markets : Equity
Tier 3
13 firms ranked
View full list

Tier 1

Borenius
10 practice areas
View full profile
Castrén & Snellman
9 practice areas
View full profile
Krogerus
9 practice areas
View full profile
Roschier
9 practice areas
View full profile
White & Case
9 practice areas
View profile

Tier 2

Avance
9 practice areas
View profile
Hannes Snellman
9 practice areas
View full profile

Tier 3

Bird & Bird
10 practice areas
View profile
Dittmar & Indrenius
9 practice areas
View full profile

Tier 4

DLA Piper Finland
9 practice areas
View profile

Notable

Dottir Attorneys
7 practice areas
View full profile
EY Law Finland
4 practice areas
View full profile
Merilampi Attorneys
6 practice areas
View profile
M&A
Tier 2
20 firms ranked
View full list

Tier 1

Avance
9 practice areas
View profile
Krogerus
9 practice areas
View full profile
Roschier
9 practice areas
View full profile

Tier 2

Bird & Bird
10 practice areas
View profile
Borenius
10 practice areas
View full profile
Castrén & Snellman
9 practice areas
View full profile
Dittmar & Indrenius
9 practice areas
View full profile
Hannes Snellman
9 practice areas
View full profile
White & Case
9 practice areas
View profile

Tier 3

DLA Piper Finland
9 practice areas
View profile
Dottir Attorneys
7 practice areas
View full profile
PwC Legal
2 practice areas
View full profile
Waselius
9 practice areas
View full profile

Tier 4

EY Law Finland
4 practice areas
View full profile
Eversheds Sutherland
5 practice areas
View profile
HPP Attorneys
5 practice areas
View full profile
KallioLaw
6 practice areas
View profile

Notable

Avail Attorneys
1 practice area
View profile
Merilampi Attorneys
6 practice areas
View profile
Wiidare
1 practice area
View profile
Project development
Tier 3
14 firms ranked
View full list

Tier 1

Borenius
10 practice areas
View full profile
Krogerus
9 practice areas
View full profile
Roschier
9 practice areas
View full profile

Tier 2

Avance
9 practice areas
View profile
Castrén & Snellman
9 practice areas
View full profile
HPP Attorneys
5 practice areas
View full profile
Hannes Snellman
9 practice areas
View full profile

Tier 3

Bird & Bird
10 practice areas
View profile
Dittmar & Indrenius
9 practice areas
View full profile
Waselius
9 practice areas
View full profile

Tier 4

DLA Piper Finland
9 practice areas
View profile

Notable

KallioLaw
6 practice areas
View profile
Kivioja Attorneys at Law
1 practice area
View profile
Lieke Attorneys
1 practice area
View full profile
Dittmar & Indrenius
Linked Reviews
Financial and corporate

Dittmar & Indrenius Attorneys is and independent Finnish law firm led by managing partner Gabrielle Dannberg. The firm is based in Finland’s capital city Helsinki and has been serving corporate clients since 1899. 

  

Highlights 

 

A highlight of the firm’s work in the banking and finance sector includes its role assisting CapMan Infra in connection to its investment in renewable district heating and electricity network infrastructure in Hamina. Through the total acquisition of Haminan Kaukolämpö Oy and Haminan Sähköverkko from Haminan Energia, investment in expanding Hamina’s district heating availability will be pursued in the region.  

Another example of the firm’s activities includes the firm’s role as legal advisor to General Atlantic in its $345 million minority investment in Hostaway Oy. The investment is notable for being the third largest financing round ever for a Finish start up company.  

 

Testimonials

2025

“Attention to detail, pace of work and drafting.” - Financial Service Regulatory  

“Team is proactive and has a comprehensive view. The team is familiar with our business.” - M&A 

“Very good commercial understanding” - M&A 

“They are easy to work with and good results.” - Bank lending  

“Knowledge within firm” - Banking and finance

 

Key clients 

 

Vaisala, Adven Group, Capman Infra, Polhem Infra, Zurich Insurance Group, BlackFin Capital, Nordic Trustee, General Atlantic

11 results11 results
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Anders Carlberg
Firm:
Dittmar & Indrenius
Rating:
Highly regarded
Practice Area:
Capital markets
Corporate and M&A
Private equity
Jurisdiction:
Finland
Industry Sector:
Financial services
Bar Admission:
Finland
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Mikko Eerola
Firm:
Dittmar & Indrenius
Rating:
Highly regarded
Practice Area:
M&A
Jurisdiction:
Finland
Bar Admission:
Finland
2025_IFLR1000_Highly_Regarded_Lawyer_1_.png
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Jonatan Hallvar
Firm:
Dittmar & Indrenius
Rating:
Rising star
Practice Area:
Project development
Projects : Energy and infrastructure
Jurisdiction:
Finland
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Kristian Karlsson
Firm:
Dittmar & Indrenius
Rating:
Rising star partner
Practice Area:
Banking and finance
Project development
Jurisdiction:
Finland
Bar Admission:
Finland
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Eeva-Lotta Kivelä
Firm:
Dittmar & Indrenius
Rating:
Rising star
Practice Area:
Project development : Energy and infrastructure
Banking and finance
Jurisdiction:
Finland
Bar Admission:
Finland
2025_IFLR1000_Rising_Star_Lawyer_1_.png
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Jasper Kuhlefelt
Firm:
Dittmar & Indrenius
Rating:
Rising star partner
Practice Area:
Capital markets : Equity
M&A
Jurisdiction:
Finland
Bar Admission:
Finland
2025_IFLR1000_Rising_Star_Partner_1_.png
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Hanna-Mari Manninen
Firm:
Dittmar & Indrenius
Rating:
Notable practitioner
Practice Area:
Banking and finance
Jurisdiction:
Finland
Bar Admission:
Finland
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Juha-Pekka Mutanen
Firm:
Dittmar & Indrenius
Rating:
Highly regarded
Practice Area:
Banking
Project finance
Capital markets
M&A
Jurisdiction:
Finland
Industry Sector:
Banking
Financial services
Insurance
Transport
Mining
Bar Admission:
Finland
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Jan Ollila
Firm:
Dittmar & Indrenius
Rating:
Highly regarded
Practice Area:
M&A
Jurisdiction:
Finland
Industry Sector:
Natural resources
Bar Admission:
Finland
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Tuomas Tiensuu
Firm:
Dittmar & Indrenius
Rating:
Rising star
Practice Area:
Energy and infrastructure
Project development
Jurisdiction:
Finland
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Mia Mokkila
Firm:
Dittmar & Indrenius
Practice Area:
Capital markets
M&A
Jurisdiction:
Finland
Bar Admission:
Finland
Deal Highlights
35 results35 results
Deal Name Deal Date Firm Name Jurisdiction Deal Type Lawyer Names Client Names Client Role
VENI Energy Oy - M&A
2021-08-20
Dittmar & Indrenius
Finland
M&A
Jan Ollila
VENI Energy Oy
Acquirer
Otso Infrastruktuuri I; OP-Eläkekassa; OP Insurance; OP Life Assurance Co; - M&A
2021-03-20
Dittmar & Indrenius
Finland
M&A
Mikko Eerola
Otso Infrastruktuuri I, OP-Eläkekassa, OP Insurance, OP Life Assurance Co
Seller
OMERS Infrastructure Inc - M&A
2021-05-20
Dittmar & Indrenius
Finland
M&A
Mikko Eerola
OMERS Infrastructure Inc
Seller
Loiste-group; Energiapolar Oy - M&A
2021-03-20
Dittmar & Indrenius
Finland
M&A
Mikko Eerola
Loiste-group, Energiapolar Oy
Seller
Kansai Electric Power Co - M&A
2021-06-20
Dittmar & Indrenius
Finland
M&A
Mikko Eerola
Kansai Electric Power Co
Acquirer
Foresight Group - M&A
2021-05-20
Dittmar & Indrenius
Finland
M&A
Mikko Eerola
Foresight Group
Acquirer
Falck Renewables SpA - M&A
2021-11-20
Dittmar & Indrenius
Finland
M&A
Mikko Eerola
Falck Renewables SpA
Acquirer
CapMan Nordic Infrastructure I-fund - M&A
2021-12-20
Dittmar & Indrenius
Finland
M&A
Mikko Eerola
CapMan Nordic Infrastructure I-fund
Acquirer
Brookfield Asset Management Inc - M&A
2021-12-20
Dittmar & Indrenius
Finland
M&A
Mikko Eerola
Brookfield Asset Management Inc
Acquirer
Infracapital - Project development
2021-10-20
Dittmar & Indrenius
Finland
Project development
Juha-Pekka Mutanen
Infracapital
Project developer
CapMan Plc - Fund raising
Dittmar & Indrenius
Finland
Fund raising
Hanna-Mari Manninen
CapMan Plc
Investor
Brookfield Asset Management Inc - M&A
2021-12-29
Dittmar & Indrenius
Finland
M&A
Mikko Eerola
Brookfield Asset Management Inc
Acquirer
Colas - Project development
2021-12-20
Dittmar & Indrenius
Finland
Project development
Jan Ollila
Colas
Project developer
OMERS Infrastructure - M&A
2021-05-20
Dittmar & Indrenius
Finland
M&A
Mikko Eerola
OMERS Infrastructure
Seller
Solidium - M&A
Dittmar & Indrenius
Finland
M&A
Anders Carlberg
Solidium
Seller
Cargotec Oyj - M&A
2021-07-02
Dittmar & Indrenius
Finland
M&A
Jukka Lång
Cargotec Oyj
Seller
KLAR Partners - M&A
2021-09-20
Dittmar & Indrenius
Finland
M&A
Wilhelm Eklund
KLAR Partners
Acquirer
MB Funds - M&A
2021-08-20
Dittmar & Indrenius
Finland
M&A
Wilhelm Eklund
MB Funds
Seller
Hexagon AB - M&A
2021-07-01
Dittmar & Indrenius
Finland
M&A
Anders Carlberg
Hexagon AB
Acquirer
Parmaco Group Oy - M&A
2021-03-12
Dittmar & Indrenius
Finland
M&A
Anders Carlberg
Parmaco Group Oy
Seller
1
of
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M&A
Gabrielle Dannberg_Dittmar bg.jpg
Eye on the future: leading a law firm at just 36
Managing partner Gabrielle Dannberg, an M&A specialist by trade, discusses how she has earned the trust of her colleagues to lead a firm that fosters a collaborative culture
Karry Lai, October 28 2024
IFLR1000
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Dittmar & Indrenius boosts M&A and energy teams
Finnish firm welcomes new corporate partner with broad experience in energy and infrastructure
Jon Moore, February 02 2015
Sponsored

Sponsored

  • IFLR1000
    Sponsored by Dittmar & Indrenius
    Finland: Dittmar & Indrenius: We are a Great Place to Work!
    Today, we celebrate our culture! We have landed in the 10th spot at the Great Place to Work® survey in the TOP 15 list of mid-sized companies in Finland.
    Dittmar & Indrenius - Finland, March 27 2026
  • IFLR1000
    Sponsored by Dittmar & Indrenius
    Finland: Dittmar & Indrenius joins NATO’s DIANA Legal Connect Network
    We are delighted to announce that Dittmar & Indrenius has been selected as a member of the DIANA Legal Connect Network – a prestigious initiative launched by NATO’s Defence Innovation Accelerator for the North Atlantic (DIANA).
    Dittmar & Indrenius - Finland, February 03 2026
  • IFLR1000
    Sponsored by Dittmar & Indrenius
    Finland: Recent Trends in Finland’s Defence and Security Sector
    In the rapidly evolving landscape of Finland’s defence and security sector, understanding regulatory requirements as well as the latest legal practices is crucial for both domestic and international businesses when navigating this complex field. This article provides a brief overview of certain aspects to be considered in connection with investments in the defence and security sectors. It discusses defence and security procurement, key legislation and recent legal precedents.
    Dittmar & Indrenius - Finland, June 27 2024
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