1966 provided security technology in Germany
1970 provided transport for cash and valuables
1985 provided cleaning services
1993 provided prison and court services
1997 provided personnel services
- 1999 integrated system of emergency and service control centres (KÖTTER Net)
2001 provided aviation security
- 2007 provided health management (TERAPON Consulting GmbH)
- 2011 provided integrated security solutions within the operator model SYMTO
- 2012 provided solutions in the field of Compliance and Risk Management (German Business Protection GmbH)
- 2012 provided holistic, single-source solutions for defensive fire protection (KÖTTER Fire & Service GmbH & Co. KG)