Norvestor has acquired the Occupational Health Service (OHS) companies Stamina and Avonova. Stamina's sister company Stamina Helsa is the primary owner of Avonova. The companies are leading OHS companies in the Nordics and are present in Norway and Sweden. Stamina has 500 FTEs and Avonova has 650 FTEs. The group had consolidated revenues of NOK 1.3bn in 2017. The deal value is not disclosed.