A-Sprinkler runs sprinkler contracts and service, dry and wet risers, kitchen suppression and operator training from Järfälla outside Stockholm. Its site names the design basis explicitly as SS-EN 12845 together with SBF 120:8, the Swedish sprinkler installation rules. The SBSC register confirms company certificate 1-803 as anläggarfirma vattensprinkler to SBF 1020:4, alongside an SBSC product certificate for hydraulic-calculation software.