Wirmax Oy

Wirmax Oy, located in Finland, specializes in HVAC services, providing innovative building solutions that enhance energy efficiency and property maintenance for residential and commercial clients. Founded in 2007, Wirmax Oy operates in the HVAC sector, offering comprehensive building services. The company is headquartered in Helsinki, Finland. In November 2025, Saari Partners acquired a majority stake in Wirmax Oy.

Wirmax is a modern technology-driven company specializing in comprehensive building services, encompassing heating, water, ventilation, electrical systems, automation, and security technology. The company provides solutions that enhance energy efficiency and ease the maintenance of properties, targeting both residential households and commercial entities, including property management firms and construction companies. Their core offerings include installation and maintenance of district heating systems, electric vehicle charging stations, and advanced security systems, such as surveillance and access control solutions. Wirmax actively operates in various geographical markets, including Uusimaa, Kanta-Häme, Pirkanmaa, and Keski-Suomi, catering to a diverse client base that includes individual homeowners, property owners, and corporate clients seeking reliable and innovative building technology solutions.

Wirmax generates revenue primarily through direct service transactions, including installation and maintenance of its various product offerings. The company's revenue model involves providing a range of services on a project basis or through ongoing maintenance agreements, allowing clients to engage in long-term partnerships. Additionally, Wirmax's pricing includes charges for specific services such as the installation of electric vehicle charging stations and maintenance of HVAC systems, with services rendered on a 24/7 basis to ensure customer satisfaction. This transactional framework allows for flexibility in meeting client needs, catering to both B2B and B2C markets.

The company's expected annual revenue is around EUR 20 mn, reflecting its growth trajectory and expanding client base within the building services sector. The company plans to use the funding from November 2025 to enhance its technology and support its growth.