24 Nov 2025

Krogerus Advises Saari Partners on Majority Investment in Wirmax

"Krogerus advised Saari Partners, a Finnish private equity firm, on its majority investment in Wirmax, a building-technology group providing heating, water, ventilation, electricity, automation and security services. Saari Partners will finance Wirmax’s growth as the company expands its service offering and pursues full-service status."

Krogerus advised Saari Partners on its majority investment in Wirmax. The transaction involves Saari Partners acquiring a majority stake in Wirmax, a modern building technology group that provides heating, water, ventilation, electricity, automation and security services. In recent years Wirmax has expanded rapidly, diversifying its offering through acquisitions, developing its service concepts and hiring new experts. Wirmax intends to continue developing into a full-service building technology company. Saari Partners will support and finance Wirmax’s growth plans. Krogerus represented Saari Partners with a team composed by: Partner Antti Luhtala (team lead); Associates Tuuli Merikallio, Inessa Kiili and Thelma Krankkala; Partner Ritva Aalto (tax) assisted by Senior Associate Anniina Konttinen; Partner Pessi Honkasalo (technology) assisted by Senior Associate Ada Klaile and Associate Laura Oiva; Partner Heidi Kivenjuuri (financing) assisted by Counsel Kaarlo Hakkarainen and Associate Elsa Uitto; Partner Carola Möller (employment) assisted by Marko Katainen; and Senior Associate Kalle Lipsanen (general corporate law).
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