PRESS RELEASE – 2025-11-11

Adconsys Oy becomes part of SI Group

SI Group continues its expansion in Finland through the acquisition of Adconsys Oy. The acquisition strengthens SI Group's position as a reliable and valued player in energy optimization and building automation.

This is a strategic step in SI Group's long-term plan to grow in the Nordic market, providing customers with an even broader range of services. By adding Adconsys' expertise and experience, we increase our ability to deliver sustainable and energy-efficient solutions that meet the growing demands for automation and optimization.

– Adconsys is an attractive acquisition that strengthens our presence in Finland with 35 new experts in building automation and 6 new local offices. The company has a well-established market position and a large installed customer base, which is largely managed via Adconsys' own cloud service Adair. In addition, their business model complements our operations in an excellent way, says Mikael Norlander, CEO of SI, and continues:

– Adconsys stands for quality, long-term thinking, continuous development and sustainability – values that are fully in line with SI Groups. Together we create even better conditions to support both existing and new customers.

Jarmo Väkevä, CEO of Adconsys, expresses his enthusiasm:

– Adconsys has built a strong reputation in the market over several decades. Our values align well with SI's and we look forward to developing in a larger context. For me as CEO, this means an opportunity to take the company's development to the next level and to be able to offer our customers an even broader range of solutions and services.

Adconsys – a platform that opens up new opportunities

The acquisition of Adconsys means that customers in the Helsinki metropolitan area, central and southeastern Finland, as well as other parts of the country, will have access to a broader and more complete range of services within energy optimization and automation. Together with Adconsys' local expertise and SI Group's resources, we create:

• An expanded service offering that gives our customers more solutions and greater flexibility
• Technical synergies that enable innovative, sustainable and high-quality solutions
• Strengthened and continuous development of new solutions and services that help our customers achieve their energy efficiency and sustainability goals

– Together with Adconsys, we will have even better opportunities to create long-term value for our local, regional and national customers in Finland, concludes Mikael Norlander.

The planned acquisition is expected to be completed within two months.

About SI Group in brief

SI, which stands for Sustainable Intelligence, is a leading group within energy optimization and building automation. SI Group has over 435 employees spread across 29 offices in Sweden, Norway and Finland. The company was founded in 1998 in Varberg and has a turnover of approximately SEK 900 million.
More information: www.wearesi.se

About Adconsys in brief

Adconsys is a well-established provider of building automation based in Helsinki and southeastern and central Finland. Since its inception in 1993, the company has helped customers create energy-efficient and sustainable solutions through smart control of heating, cooling and ventilation systems. With over 30 years of experience and more than 1500 successful projects, Adconsys is a reliable partner for both small and large projects.

The company offers everything from simple automation solutions to advanced web-based platforms and has a dedicated team of 35 full-time employees serving customers all over Finland. References include schools, hotels, sports arenas, power plants, as well as public and commercial properties.

Adair is a vendor-neutral cloud-based control room, interface and user experience for remote control of all building automation systems. It is a web-based visual presentation system that is accessible via computer, tablet and mobile phone. Nearly 500 buildings are managed and operated via Adair today.
More information: www.adconsys.fi