About us

Good infrastructure is the key to a good and sustainable life

At Destia, we keep society going. We design, build and maintain essential infrastructure, such as electricity networks, bridges, roads and railways. We develop cities as well as telematics and lighting solutions and provide a wide range of services for traffic and infrastructure management.

At Destia, we have a unique sense of infrastructure. It emerges from each Destia employee’s special expertise and way of thinking. With our sense of infrastructure, we create tomorrow’s infrastructure that enables the flow of people, goods, services and energy. Good infrastructure is the guarantee of a good and sustainable life.

Destia’s customer base includes industrial and business companies, cities, municipalities and government organisations. As we operate throughout Finland, we are always close to our customers. We are the largest infrastructure service company in Finland and part of the international Colas Group.

Our services cover the entire infrastructure life cycle


We are connecting Northern life. We invest in the competitiveness of our core business and want to grow in urban development and new services with our partners. In addition to growth in the domestic market, we are also looking for international growth. 


We build society by taking responsibility for people, the environment and society.

Values and ethical guidelines

We are guided by strong values and ethical guidelines. They are evident in the work of every Destia employee from everyday encounters to decision-making and management.


We are building the future with more than 200 years of experience in Finnish infrastructure.

Certified operating method

Our integrated management system has been awarded the following certifications:

ISO certificates (Det Norske Veritas)

cover all of Destia’s operations

  • ISO 9001 quality management system
  • ISO 14001 environmental management system
  • ISO 45001 occupational health and safety system

Certificates of competence issued by RALA

  • Destia has several certificates of competence in the infrastructure industry issued by RALA and special certificates of competence related to bridge contracting (visit www.rala.fi for more information)

Certifications in the railway business

  • Fusion welding quality certification in accordance with the SFS-EN ISO 3834-2 standard (Det Norske Veritas)
  • Railway operator’s safety certificate issued by Traficom
  • Traficom-approved training institute for providing supplementary training to railway drivers

Power lines and substations

  • Qualification A issued by Fingrid

CE marking

  • Our aggregates are CE certified (Inspecta Certification)

Our owner Colas – an international expert of mobility and infrastructure

Operating in more than 50 countries on five continents, Colas’ mission is to design, build and maintain transport infrastructures in a responsible manner. The Colas Group employs 58,000 people. Colas’ ambition is to be the world leader in innovative and responsible mobility solutions. Colas is a part of the Bouygues Group.

In 2022, Colas generated consolidated revenue of 15.5 billion euros, 60% of which was generated outside France.

Colas’ business segments:

  • Road construction and maintenance (71%)
  • Building materials (21%)
  • Railway construction (7%)
  • Other (1%)