1995 Entered Singapore through acquisition of ESGO.
1998 Acquired Reliance Environmental Services Pte Ltd and
change it's name to ISS Servisystem Pte Ltd.
2000 Acquired Berkeley Cleaning Pte Ltd's contracts
and Essential Services from SITA Group in November.
2004 Change it's name to ISS Facility Services
Private Limited and acquired Continental Delight Catering
Services Pte Ltd.
2005 ISS Group acquired by Goldman Sachs & EQT
Acquired EKS Catering Pte Ltd
Acquired EKS Business Pte Ltd
Acquired Woko (F&B) Pte Ltd & Gourmet
Wok Pte Ltd
Acquired NBS Building Services Pte Ltd
ISS shifted fromTan Boon Liat Building to
Pacific Tech Centre
2006 ISS new office grand opening
Acquired Hydroculture-Scape Pte Ltd
Acquired Hydroculture Bio-Care Pte Ltd
2008 Acquired Inbuilt Engineering Pte Ltd