15. April 2016 Press release 15th of April 2016 – The two companies RSM Group AS and Eiken Mek. Gruppen AS are merging....
4. February 2016 Change of name Today’s Risør Sveis og Montering Holdning AS changes name to RSM Group AS and become an active parent company. RSM Group AS which owns today’s RSM 100% will get 3 subsidiary companies....