The company purchased the security service division ISS Securitas from ISS in 1993, the first in a series of mergers, which later included both Group 4 Securicor and Wackenhut.
Falck kúpila divíziu bezpečnostná služba ISS Securitas od ISS v roku 1993, prvú v sérii fúzií, ktoré neskôr zahŕňali Group 4 Securicor a Wackenhut.