Assemblin strengthens its ventilation expertise through an acquisition in Sweden
Press release
1 April 2026 08:00 CET
Assemblin Ventilation acquires GSJ VENTService AB and strengthens its service and maintenance capacity in Jönköping and surrounding areas. The company has an annual revenue of approximately SEK 21 million and nine employees.
GSJ VENTService AB, "Ventsab", was founded in 2007 and is headquartered in Jönköping with operations throughout the Småland region. The company specializes in ventilation maintenance, renovation, remodeling, and extension projects primarily for private and municipal property owners.
“Ventsab is a ventilation service company that impresses with its high level of expertise, stable operations and strong customer relationships. Through this acquisition, we complement our strong operations in Jönköping and the Småland region. Together we get a comprehensive offering, a stronger presence and a broader customer base, which is beneficial for both of us and for our customers”, comments Håkan Ekvall, CEO Assemblin Ventilation, EVP.
“We have come to know Assemblin as a strong local player with the same view on leadership and culture. As part of Assemblin, we also get access to structured support functions, which means we can focus on developing our business and creating value for our customers, which is positive for both customers and employees”, comments Jens P Johansson, Chairman of the Board, Ventsab.
For more information, contact:
Håkan Ekvall, CEO Assemblin Ventilation, EVP, hakan.ekvall@assemblin.se, +46 10 452 72 63
Jens P Johansson, Chairman of the Board at Ventsab, jens@ventsab.se, +46 70 104 15 41
Åsvor Brynnel, Head of Communications and Sustainability, SVP, Assemblin Caverion Group, asvor.brynnel@assemblin.se, +46 70 600 73 21
About Assemblin Caverion Group
Assemblin Caverion Group is a leading northern European provider of technical services and installations, delivering smart and sustainable solutions in multiple technical expertise areas across the full lifecycle of the built environment. With around 20,000 skilled and committed professionals in nine countries, we help customers improve energy efficiency, sustainability and automation in buildings, infrastructure and industrial environments through our main brands, Assemblin and Caverion, alongside several other commercial and product brands. The Group generated SEK 41 billion (EUR 3.7 billion) in revenue over the last twelve months.
www.assemblincaverion.com
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