People

Joonas Vartia

Associate

Joonas advises clients on mergers and acquisitions and on general corporate, commercial, and contract law.

He joined the firm as an associate trainee and was appointed as an associate lawyer upon his graduation in 2021.

Joonas is currently on a secondment.


References

Parties

Accel-KKR, Aico Group, Juuri Partners

Transaction

Accel-KKR’s majority equity investment in Aico Group

Deal Value

Value not public

Role

Counsel to Accel-KKR, a global technology-focused investment firm

Heidi Haanpää

Heidi Haanpää

Partner
heidi.haanpaa@hannessnellman.com
Tero Pikkarainen

Tero Pikkarainen

Senior Associate
tero.pikkarainen@hannessnellman.com
Joonas Vartia

Joonas Vartia

Associate
joonas.vartia@hannessnellman.com
Wilma Montonen

Wilma Montonen

Associate
wilma.montonen@hannessnellman.com
Heikki Vesikansa

Heikki Vesikansa

Partner
heikki.vesikansa@hannessnellman.com
Stefan Stellato

Stefan Stellato

Managing Associate
stefan.stellato@hannessnellman.com
Marika Sorsa

Marika Sorsa

Counsel
marika.sorsa@hannessnellman.com
Sofia Ropo

Sofia Ropo

Senior Associate
sofia.ropo@hannessnellman.com
Anna Nyberg

Anna Nyberg

Senior Associate
anna.nyberg@hannessnellman.com
Johanna Haltia-Tapio

Johanna Haltia-Tapio

Specialist Partner
johanna.haltia-tapio@hannessnellman.com
Oona Eerola

Oona Eerola

Associate
oona.eerola@hannessnellman.com
Hilma Mäkitalo-Saarinen

Hilma Mäkitalo-Saarinen

Associate
hilma.makitalo-saarinen@hannessnellman.com
Vivi Jaatinen

Vivi Jaatinen

Legal Assistant
vivi.jaatinen@hannessnellman.com
Rebecca Osola

Rebecca Osola

Senior Legal Assistant
rebecca.osola@hannessnellman.com
Anni Ollus

Anni Ollus

Senior Legal Assistant
anni.ollus@hannessnellman.com

Parties:

Nordea Bank Abp (JV shareholder), OP Osuuskunta (JV shareholder), Siirto Brand Oy (JV)

Transaction:

Expansion of the operations of Nordea Bank and OP’s 50/50 owned joint venture company, Siirto Brand Oy

Deal Value:

Value not public

Role:

Joint counsel to all parties

Tuire Kuronen

Tuire Kuronen

Partner
tuire.kuronen@hannessnellman.com
Joonas Vartia

Joonas Vartia

Associate
joonas.vartia@hannessnellman.com
Rebecca Osola

Rebecca Osola

Senior Legal Assistant
rebecca.osola@hannessnellman.com
Emilia Reis

Emilia Reis

Legal Assistant
emilia.reis@hannessnellman.com
Jenni Heurlin

Jenni Heurlin

Managing Associate
jenni.heurlin@hannessnellman.com
 Annika  Grönholm

Annika Grönholm

Associate
annika.gronholm@hannessnellman.com
Jesper Nevalainen

Jesper Nevalainen

Partner
jesper.nevalainen@hannessnellman.com
Lasse Riski

Lasse Riski

Specialist Partner
lasse.riski@hannessnellman.com

Parties:

Masco Corporation (Buyer), Nordic Mezzanine and other Sauna360 Group Oy’s shareholders (Sellers), Sauna360 Group Oy (Target)

Transaction:

Acquisition of Sauna360 Group Oy

Deal value:

Value not public

Role:

Finnish and Swedish Counsel to Masco Corporation

Tuire Kuronen

Tuire Kuronen

Partner
tuire.kuronen@hannessnellman.com
Agda Vähä-Piikkiö

Agda Vähä-Piikkiö

Senior Associate
agda.vaha-piikkio@hannessnellman.com
Joonas Vartia

Joonas Vartia

Associate
joonas.vartia@hannessnellman.com
Wilma Montonen

Wilma Montonen

Associate
wilma.montonen@hannessnellman.com
Simon Mittler

Simon Mittler

Associate
simon.mittler@hannessnellman.com
Ingrid Remmelgas

Ingrid Remmelgas

Counsel
ingrid.remmelgas@hannessnellman.com
Anna Nyberg

Anna Nyberg

Senior Associate
anna.nyberg@hannessnellman.com
Mikael Wood

Mikael Wood

Associate
mikael.wood@hannessnellman.com
Sofia Saarelainen

Sofia Saarelainen

Associate
sofia.saarelainen@hannessnellman.com
Ville Säteri

Ville Säteri

Associate
ville.sateri@hannessnellman.com
Emilia Reis

Emilia Reis

Legal Assistant
emilia.reis@hannessnellman.com
Rebecca Osola

Rebecca Osola

Senior Legal Assistant
rebecca.osola@hannessnellman.com

Parties:

Thome Group, OSM Maritime Group

Transaction: 

Merger of Thome Group and OSM Maritime Group

Value:

Value not public

Role:

Finnish counsel to Thome Group Holding Limited

Tuire Kuronen

Tuire Kuronen

Partner
tuire.kuronen@hannessnellman.com
Joonas Vartia

Joonas Vartia

Associate
joonas.vartia@hannessnellman.com
Heidi Haanpää

Heidi Haanpää

Partner
heidi.haanpaa@hannessnellman.com
Agda Vähä-Piikkiö

Agda Vähä-Piikkiö

Senior Associate
agda.vaha-piikkio@hannessnellman.com
Ingrid Remmelgas

Ingrid Remmelgas

Counsel
ingrid.remmelgas@hannessnellman.com

Parties: 

Methode Electronics, Inc., Nordic Lights Group Corporation

Transaction:

Methode Electronics, Inc.'s recommended public cash tender offer for all shares in Nordic Lights Group Corporation

Deal Value:

EUR 132 million

Role:

Counsel to Methode Electronics, Inc.

Anniina Järvinen

Anniina Järvinen

Partner
anniina.jarvinen@hannessnellman.com
Robert Gordin

Robert Gordin

Senior Associate
robert.gordin@hannessnellman.com
Joonas Vartia

Joonas Vartia

Associate
joonas.vartia@hannessnellman.com
Riikka Kuha

Riikka Kuha

Counsel
riikka.kuha@hannessnellman.com
Heidi Haanpää

Heidi Haanpää

Partner
heidi.haanpaa@hannessnellman.com
Essi Ellman

Essi Ellman

Associate
essi.ellman@hannessnellman.com
Päivi Tammilehto

Päivi Tammilehto

Counsel
paivi.tammilehto@hannessnellman.com
Anna Mäkinen

Anna Mäkinen

Associate
anna.makinen@hannessnellman.com
Hilma Mäkitalo-Saarinen

Hilma Mäkitalo-Saarinen

Associate
hilma.makitalo-saarinen@hannessnellman.com
Simon Mittler

Simon Mittler

Associate
simon.mittler@hannessnellman.com
Ingrid Remmelgas

Ingrid Remmelgas

Counsel
ingrid.remmelgas@hannessnellman.com
Ville Säteri

Ville Säteri

Associate
ville.sateri@hannessnellman.com
Rebecca Osola

Rebecca Osola

Senior Legal Assistant
rebecca.osola@hannessnellman.com
Monika Parkkinen

Monika Parkkinen

Legal Assistant
monika.parkkinen@hannessnellman.com
Karoliina Kaartinen

Karoliina Kaartinen

Legal Assistant
karoliina.kaartinen@hannessnellman.com

Parties

Stora Enso Oyj, UPM-Kymmene Group, Metsä Group, Sonoco-Alcore, other sellers (Sellers), Stena Recycling Oy (Buyer), Encore Ympäristöpalvelut Oy (Target)

Transaction

Sale of Encore Ympäristöpalvelut Oy to Stena Recycling Oy

Deal Value

Value not public

Role

Counsel to Stora Enso Oyj, UPM-Kymmene Group, Metsä Group, Sonoco-Alcore, and other sellers

Tuire Kuronen

Tuire Kuronen

Partner
tuire.kuronen@hannessnellman.com
Susanna Purovirta

Susanna Purovirta

Senior Associate
susanna.purovirta@hannessnellman.com
Joonas Vartia

Joonas Vartia

Associate
joonas.vartia@hannessnellman.com
Päivi Tammilehto

Päivi Tammilehto

Counsel
paivi.tammilehto@hannessnellman.com
Klaus Metsä-Simola

Klaus Metsä-Simola

Partner
klaus.metsa-simola@hannessnellman.com
Anna Mäkinen

Anna Mäkinen

Associate
anna.makinen@hannessnellman.com
Wilhelm Sanmark

Wilhelm Sanmark

Associate
wilhelm.sanmark@hannessnellman.com
Panu Vikberg

Panu Vikberg

Senior Associate
panu.vikberg@hannessnellman.com

Parties

SARC Architects Oy (seller), CapMan Buyout (buyer)

Deal

CapMan Buyout’s investment in award-winning Finnish architectural firm SARC Architects

Deal Value

Value not public

Role

Counsel to SARC Architects Oy

Mikko Heinonen

Mikko Heinonen

Partner
mikko.heinonen@hannessnellman.com
Joonas Vartia

Joonas Vartia

Associate
joonas.vartia@hannessnellman.com
Anna Nyberg

Anna Nyberg

Senior Associate
anna.nyberg@hannessnellman.com

Parties

Digital 9 Infrastructure plc (Buyer), Pontos Oy, Taaleri Datacenter Ky, other sellers (Sellers), Ficolo Oy (Target)

Transaction

Sale of Ficolo Oy to Digital 9 Infrastructure plc

Deal Value

EUR 135 million

Role

Counsel to Pontos Oy, Taaleri Datacenter Ky, and other sellers

 

Tuire Kuronen

Tuire Kuronen

Partner
tuire.kuronen@hannessnellman.com
Satu Kokko

Satu Kokko

Senior Associate
satu.kokko@hannessnellman.com
Joonas Vartia

Joonas Vartia

Associate
joonas.vartia@hannessnellman.com
Jesper Nevalainen

Jesper Nevalainen

Partner
jesper.nevalainen@hannessnellman.com
Anna Nyberg

Anna Nyberg

Senior Associate
anna.nyberg@hannessnellman.com
Julia Ranta

Julia Ranta

Associate
julia.ranta@hannessnellman.com
Mikko Huimala

Mikko Huimala

Partner
mikko.huimala@hannessnellman.com

Parties

Basware Corporation (target), a consortium consisting of Accel-KKR, Long Path Partners, and Briarwood Chase Management (buyer)

Transaction

Counsel to the offeror consortium of Accel-KKR, Long Path Partners, and Briarwood Chase Management in the tender offer for all outstanding securities in Basware Corporation.

Deal Value

EUR 620 million

Role

Counsel to the consortium

Klaus Ilmonen

Klaus Ilmonen

Partner, Doctor of Laws
klaus.ilmonen@hannessnellman.com
Tommi Kovero

Tommi Kovero

Senior Associate
tommi.kovero@hannessnellman.com
Aki Salmela

Aki Salmela

Senior Associate
aki.salmela@hannessnellman.com
Robert Gordin

Robert Gordin

Senior Associate
robert.gordin@hannessnellman.com
Joonas Vartia

Joonas Vartia

Associate
joonas.vartia@hannessnellman.com
Linnea Lehtonen

Linnea Lehtonen

Senior Associate
linnea.lehtonen@hannessnellman.com
Roope Sevón

Roope Sevón

Associate
roope.sevon@hannessnellman.com
Heikki Vesikansa

Heikki Vesikansa

Partner
heikki.vesikansa@hannessnellman.com
Harri Vehviläinen

Harri Vehviläinen

Specialist Partner
harri.vehvilainen@hannessnellman.com
Sofia Ropo

Sofia Ropo

Senior Associate
sofia.ropo@hannessnellman.com
Mikko Huimala

Mikko Huimala

Partner
mikko.huimala@hannessnellman.com
Markus Bremer

Markus Bremer

Partner
markus.bremer@hannessnellman.com
Pauliina Sutinen

Pauliina Sutinen

Senior Associate
pauliina.sutinen@hannessnellman.com
Johanna Haltia-Tapio

Johanna Haltia-Tapio

Specialist Partner
johanna.haltia-tapio@hannessnellman.com
Anna Nyberg

Anna Nyberg

Senior Associate
anna.nyberg@hannessnellman.com
Outi Jousi

Outi Jousi

Counsel
outi.jousi@hannessnellman.com
Annika Tiitola

Annika Tiitola

Associate
annika.tiitola@hannessnellman.com
Axel Hård af Segerstad

Axel Hård af Segerstad

Associate
axel.hard@hannessnellman.com

Parties 

Angel Pond Holdings Corporation, MariaDB Corporation Ab

Transaction 

Combination of Angel Pond Holdings Corporation and MariaDB Corporation Ab by way of a domestication merger and cross-border merger, and related transactions

Deal Value 

USD 672 million (implied enterprise value of the combined company)

Role

Finnish counsel to Angel Pond Holdings Corporation

Tuire Kuronen

Tuire Kuronen

Partner
tuire.kuronen@hannessnellman.com
Agda Vähä-Piikkiö

Agda Vähä-Piikkiö

Senior Associate
agda.vaha-piikkio@hannessnellman.com
Heidi Haanpää

Heidi Haanpää

Partner
heidi.haanpaa@hannessnellman.com
Susanna Purovirta

Susanna Purovirta

Senior Associate
susanna.purovirta@hannessnellman.com
Joonas Vartia

Joonas Vartia

Associate
joonas.vartia@hannessnellman.com
Heikki Vesikansa

Heikki Vesikansa

Partner
heikki.vesikansa@hannessnellman.com
Harri Vehviläinen

Harri Vehviläinen

Specialist Partner
harri.vehvilainen@hannessnellman.com
Joakim Frände

Joakim Frände

Specialist Partner
joakim.frande@hannessnellman.com
Jesper Nevalainen

Jesper Nevalainen

Partner
jesper.nevalainen@hannessnellman.com
Hanna Lindberg

Hanna Lindberg

Associate
hanna.lindberg@hannessnellman.com

Parties

Citycon Oyj

Transaction

Citycon Oyj’s repurchase of a total amount of 9,500,000 own shares for a total purchase price of EUR 65.8 million as a result of a market based reverse accelerated bookbuild process

Deal Value

EUR 65.8 million

Role

Counsel to Citycon Oyj

Mikko Heinonen

Mikko Heinonen

Partner
mikko.heinonen@hannessnellman.com
Klaus Ilmonen

Klaus Ilmonen

Partner, Doctor of Laws
klaus.ilmonen@hannessnellman.com
Aki Salmela

Aki Salmela

Senior Associate
aki.salmela@hannessnellman.com
Joonas Vartia

Joonas Vartia

Associate
joonas.vartia@hannessnellman.com

Education and Professional Background

  • Associate, Hannes Snellman, 2021–
  • Master of Laws, University of Helsinki, 2021
  • Associate Trainee, Hannes Snellman, 2021
  • Trainee, Bird & Bird Attorneys Ltd, 2020–2021
  • Legal Trainee, DNA Plc, 2020
  • Junior Advisor, Business Finland, India, 2019–2020