. about us Koncentra has invested in Swedish companies since 1999. We believe that our recipe for success with our investments is... our portfolio Koncentra Holding AB is a privately held investment company with a focus on long-term investments within a range of different industries. contact Koncentra’s headquarter is located in Stockholm. We focus on long-term investments... Koncentra Holding AB is a privately held investment company with a focus on long-term investments within a range of different industries. We have invested in companies ranging from drug development to manufacturing of mobile power generation systems. Koncentra Verkstads AB is Koncentra’s holding company for investments within the manufacturing industry. Koncentra is owned by a UK holding company, Alestra Ltd. and Koncentra is the group’s holding company in Sweden for investments in Sweden and Finland. Koncentra Holding AB, Vasagatan 36, 4 tr, 111 20 Stockholm, Sweden Tel: +46 8 400 11 471