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Frog Marine Service AB

Frog Marine Services (FMS) are included along with Swedish Sj√∂entrepenad (SSE), SVENTAB, Marcon Teknik AB and Marcon Windpower AB in Marcon Group AB, one of Sweden’s leading marine construction and marine services. Frog Marine Service carries out all types of work in and around water, in addition to about 20 divers, we are 15 sailors handling tugs, barges etc etc we have a complete equipment park for work in and on the water. On our own quay in Gothenburg , we have storage room, workshop etc.. We provide all types of underwater services to the maritime, petrochemical, hydroelectric and municipalities. Our strengths are: adaptive equipment, skilled staff and great flexibility. We can quickly set about the business and adapt to customer needs and requests.




We are one of the oldest company in the country within marine construction, diving and marine service. FMS have been active in almost 50 years and always been a reliable service partner to ship-owners, process industry power plants etc etc. The ownership of the company has change over the years, to day FMS is part of the Marcon group, with headquarters in south Sweden. Marcon Group also owns Svensk Sjöentrepenad, SVENTAB, Marcon Teknik and Marcon Windpower.


We shall strive for continuous improvements of the long term relationship with our customers and work for a long term lasting development for the gain of people, the environment and our cultural heritage. We shall be the natural partner for the water activity of others. This is achieved by:

  • Heeding our policy during procurement and product development.
  • Reaching and surpassing customer and legislative requirements.
  • Having the staff take an active interest in our environment and quality work through active leadership, education and dialogue.
  • Working for a good work environment by having a well educated staff and making good use of technology.
  • Systematically returning own and customer experiences to create competitive, fault free products and a good work environment.

Staying at the forefront of our market area concerning staff, competence and technology.

Download our full policy document here

Download our Magement policy document here



FMS is approved by all the large classification societies to perform In Water Surveys. FMS is also certified by Achilles joint qualification system for suppliers to Nordic Utilities. Below you will find links to the web sites of the organizations as well as downloads of our certificates.

IWS (In Water Survey)