15.10.2025

Putcon Oy, a nationwide company focusing on turnkey fire suppression system deliveries and maintenance, and Kotera Group Oy have completed a business transaction under which Putcon Oy will become part of the Kotera Group. The Finnish Competition and Consumer Authority has approved the transaction, which came into effect on October 14, 2025.

Following the acquisition, Putcon Oy will continue its operations as before under its current business ID, personnel, and brand. The transaction will not affect customer relationships or staff. The company’s CEO and founder, Miika Kortesalmi, will continue to lead the company and remain a shareholder through Kotera Group’s ownership structure.

As a result of the acquisition, Kotera Group’s pro forma revenue for 2024 will increase to approximately EUR 158 million, with EBITDA exceeding EUR 12 million. The Group’s fourteen operational subsidiaries collectively employ around 490 construction professionals across Finland.

”I am extremely proud of the foundation we have built at Putcon through years of determined work. In recent years, we have developed not only a profitable but also a responsible and customer-oriented business that has earned the trust of our clients and partners. At this stage, it was natural to seek a partner who shares our values and provides the best conditions for further growth. Joining Kotera Group is exactly that. This step allows us to continue developing our operations while benefiting from the broader group’s resources and expertise. Together, we are stronger. Most importantly, this arrangement opens up new career opportunities and growth paths for our skilled and dedicated employees as part of a larger organization. We look forward to building our shared future with confidence,” says Miika Kortesalmi, Founder and CEO of Putcon Oy.

“We are very pleased to welcome Putcon and its skilled personnel to Kotera Group. The company has a strong position particularly in industrial fire suppression system contracting and maintenance, as well as a diversified customer base and experienced team. This acquisition strengthens our technical services expertise, expands our geographical reach, and provides strong synergies with our other group companies,” says Tuomas Forsberg, CEO of Kotera Group Oy.

For further information:
Miika Kortesalmi, CEO, Putcon Oy, +358 44 726 5732 miika.kortesalmi@putcon.fi
Tuomas Forsberg, CEO, Kotera Group Oy +358 45 631 8597, tuomas.forsberg@koteragroup.fi

Kotera Group Oy
Kotera Group Oy is a diverse Finnish construction growth company founded at the end of 2023, specializing in industrial construction and services, HVAC technical contracting and maintenance, repair and damage restoration, and demolition and recycling services. The group employs about 490 people across twelve subsidiaries throughout Finland. Companies within the group include Bark Oy, LVI Kurikka Oy, RKM Group Oy, TT- teknologia Oy, Ahosen Palvelut Oy, Ahosen Kierrätysmurskaus Oy, Pre One Oy, Kuratek Oy, KTC Group Oy, JN Titan Welding Oy, Sähköpalvelu Walberg Ab Oy, Sähköpalvelu Walberg Vaasa Oy, Vastuuremontti Oy and Putcon Oy. The group’s pro forma revenue in 2024 was approximately 158 million euros, and its EBITDA was over 12 million euros. The company is owned by Finnish investment company Korpi Capital Oy, a Swedish private equity fund managed by Bragnum Invest AB, and key personnel of the companies. More information is available at: https://koteragroup.fi/

Putcon Oy
Putcon Oy, founded in 2012, specializes in the design, installation, and maintenance of industrial fire suppression and sprinkler systems. The company primarily serves industrial and energy sector clients, including Stora Enso, Metsä Board, Terrafame, SSAB, and Outokumpu. Putcon has offices in Helsinki, Oulu, Kemi, Kuopio, and Lappeenranta, employing around 40 professionals. In 2024, Putcon’s revenue was approximately EUR 10.9 million and EBITDA around EUR 1.2 million. More information: https://putcon.fi/