Merlyn Global Group is a company that was owned and run by the Merlyn family. It was one of the prime businesses in Star City. In the wake of the Undertaking, there has been no further mention of the company.
With Malcolm's role in the Undertaking revealed to the public, Tommy's death, and Thea off traveling, it is unknown if Merlyn Global Group is still operational.
DC's Legends of Tomorrow
Arrow: The Dark Archer
- As Malcolm Merlyn's daughter and Tommy Merlyn's half-sister, Thea Queen could presumably stake some kind of claim to their shares in this enterprise.