Worley has asked the Foreign Investment Review Board to look at "possible creeping acquisitions" by Beirut-headquartered Dar Group as the ASX-listed engineering and consulting firm aims to fend off a possible takeover by its largest shareholder.

Worley has asked the Foreign Investment Review Board to look at "possible creeping acquisitions" by Beirut-headquartered Dar Group as the ASX-listed engineering and consulting firm aims to fend off a possible takeover by its largest shareholder.