Imperium (Pvt) Ltd initially started its operations in 2012 as a software division functioning under 3SG Corporation (Pvt) Ltd., a respected off-shore Business Process Outsourcing (BPO) services provider for the US market. A pioneer in BPO in Sri Lanka, , 3SG was established over 15 years ago. 3SG is a fully owned subsidiary of PRIME GROUP with its headquarters in Connecticut, USA.
Successful off-shore BPO operations were conducted for US and Canadian operations of BMW, and Western World Insurance, NiSource Energy etc by 3SG. In order to focus on software design and development, the software division of 3SG was incorporated as Imperium (Pvt) Ltd in January 2015.