Versatile infrastructure sector operator

We build versatile for customers of all sizes.

GRK operates in Finland, Sweden and Estonia. Our customers are the state administration, municipalities and cities, as well as the private sector.

Our business sectors are divided into three business areas:

Civil engineering and road construction

We offer a wide range of civil engineering services. Our services cover municipal engineering construction, concrete, steel and composite structures, foundation construction as well as industrial construction. We are specialized in demanding bridge construction work, including over-water and railway bridges.

We carry out road and street construction projects and the improvement of existing roads from access roads to motorways with proven efficiency. Our services also fully cover area-related regional construction.

Rail Business

GRK’s comprehensive rail construction services cover the entire life cycle of rail construction. GRK offers all services from design to construction and maintenance.

The areas of expertise in rail construction cover systems and structures for railways, metro lines and trams.

Our services cover track engineering, track electrification, safety equipment and demanding structural engineering projects from foundations to telecom tower structures. GRK is responsible for the maintenance of tracks in several areas, including southern Finland.

Environmental Services

GRK offers circular economy services to various industries and waste producers. GRK carries out area building projects using recycled materials and, if necessary, takes care of additional planning and permit applications. In 2022, we expanded our services with bioproduct business.

GRK receives and handles waste and industrial by-products both at its own and its customers’ locations. GRK accepts reusable, classified and processable industrial mineral
rejects, fly ash, bottom ash, and bottom and foundry sands, among others. In addition, the environmental services include the bioproduct business, such as the production
and sale of biochar.