Säkerhetsbolaget FST holds SBSC anläggarfirma brandlarm certificate 16-381 under SBF 1008 and intruder-alarm certificate 20-103. It delivers integrated access, fire protection and surveillance systems to businesses, municipalities and regional authorities from Sollentuna, with further presence in Dalarna. Since 2022 it has been part of the installation group Sparc Group, and its 2022 merger with sister company BMA Säkerhet added mechanical locking to the offering, bringing the combined business to more than fifty staff.