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January 6, 2026

Nørhalne VVS A/S Becomes Part of Sertion

We are very proud to announce that Nørhalne VVS A/S has become part of the Nordic group Sertion and is entering 2026 in a stronger position.

Sertion is strengthening its presence in Denmark through the acquisition of Nørhalne VVS A/S.

Sertion continues its rapid growth and is now completing a new strategic acquisition in Denmark. Through the acquisition of Nørhalne VVS A/S, Sertion is strengthening its position in the Danish market and taking another step forward in its development as a leading international infrastructure and installation group specializing in complex HVAC, technical infrastructure, and industrial piping.

Nørhalne VVS A/S is a well-established Danish plumbing and heating company with a strong local market position in North Jutland and many years of experience in installation, service, and contracting work in the plumbing and heating sector.

“The acquisition of Nørhalne VVS is fully in line with our long-term growth strategy. The company strengthens our organization with expertise and capacity and helps us further develop our offerings in the Nordic market,” says Andreas Bogren, CEO of Sertion AB.

“As part of Sertion, we gain access to new networks and resources that enable us to further develop our business and create long-term value for our customers. We look forward to combining our local expertise with Sertion’s ambitions,” says Johnny Nielsen, CEO of Nørhalne VVS A/S.

Nørhalne VVS A/S will continue to be run by its two current owners, Mogens Østergaard and Johnny Nielsen, who look forward to serving both existing and new customers in light of this new partnership.

The acquisition is one of several planned initiatives this year and a key part of Sertion’s ambition to grow in terms of quality and capacity throughout the Nordic region and Northern Europe.

For more information, contact Johnny Nielsen.

Johnny Nielsen

Director / Construction Manager