Koon Holdings, one of Singapore’s largest civil engineering, reclamation and shore protection specialists, says it has received in-principle approval from the SGX for an upgrade to the Mainboard.

The listing and trading of the group’s shares on the Mainboard will start on Thursday, Feb 4.

Koon was primary listed on the Australian Stock Exchange and secondary listed on the SGX-SESDAQ in 2003. Since then, full year revenue has increased from $109.4 million in 2003 to $135.3 million in 2009.

The group recorded the highest net profit in its corporate history of $10.6 million in 2009.