Instalco AB is a leading installation and technical services group operating across Northern Europe, with a primary presence in Sweden, Norway, Finland, and Germany. The company's core business involves the design, installation, and maintenance of technical systems inside buildings and industrial facilities. Its service offerings span electrical wiring, plumbing, heating, ventilation, and air conditioning (HVAC), as well as industrial solutions and technical consulting. Instalco does not manufacture products; instead, it generates revenue through labor, project delivery, and service agreements for new construction, renovations, and ongoing facility maintenance. The company serves a diverse client base, including construction firms, commercial property owners, public sector organizations, and industrial enterprises. Instalco operates a highly decentralized business model, having acquired over 150 local specialist companies that retain their local proximity to customers while benefiting from the group's scale, cross-selling opportunities, and mature management practices. The company reports its financials primarily through two geographic segments: Sweden, which accounts for the majority of its revenue (roughly 68-70%), and the Rest of Nordics/Europe. By focusing on energy-efficient installations and climate-smart solutions, Instalco positions itself to benefit from the growing demand for sustainable building upgrades and the broader green transition in the construction sector.