Rejlers AB engages in the provision of engineering consultancy solutions. It operates through the following geographical segments: Sweden, Finland, Norway, and Group-Wide. The Sweden, Finland, and Norway segments offers technical consultancy services through its subsidiaries. The Group-Wide segment refers to parent company revenue, costs, assets, and liabilities. The firm serves the energy, buildings, industry, telecommunication, and infrastructure sectors. The company was founded by Gunnar Rejler in 1942 and is headquartered in Stockholm, Sweden.