Company information

Helenius is a leader in technical consulting, with expertise founded on more than a half century of experience. Helenius is an engineering and consulting company for the energy, industrial, infrastructure and public/commercial markets, creating progress for our client since 1965.

Helenius offices are based in three locations in Sweden: Stockholm, Sollentuna and Uppsala employing 65 people and 15 subcontractors. Helenius is certified according to ISO 9001, ISO 14001 and ISO 45001. The company is privately owned and has yearly turnover of 100 million SEK.


Helenius was founded in 1965 and we have a history to be proud of Georg Helenius, who founded the company, established values which we still live by. They involve concepts such as customer relationships, customer satisfaction, commitment and responsibility. During our jubilee year we will of course look back and remember times without cellphones and BIM models but above all we look forward. This is Just the beginning.


Please contact us

Ray Symes
+46 8-625 22 15
+ 46 72-500 46 30

Arne Wallström
+46 8-625 22 19
+ 46 708-26 55 01


  • Design Engineering and project
  • Project Management
  • Construction Management
  • Cleanroom technology and safety ventilation
  • Design reviews
  • Energy efficiencient building design an energy co-ordination

Fast Facts

  • Founded: 1965
  • Turnover: approx. 100 MSEK
  • Employees: 65
  • Quality and environmental certified
  • AAA-rating
  • Privately-owned
  • Reviewed and certified in accordance with SS-EN ISO 9001:2015,  SS-EN ISO 14001:2015 and ISO 45001:2018.
  • Organization number: 556097-7851
Tadva Yoken
Mirjam Björklund
Veronica Galimova, Marit Wiksell
Detalj från Chopin Karolinska Huddinge
Anna Danielsson, Forsen
Trädgårdshotellet Åtvidaberg
Gärdesskolan Sollentuna
Tommy Stjernfeldt
Danderyds sjukhus, flygbild
Mirjam Björklund
Göran Karlsson, Helenius
Vasakronans huvudkontor