Merlyn Global Group is a company that was formerly owned and run by the Merlyn family. In the wake of the Undertaking there has been no further mention of the company, aside from an alternative reality in favor of the Legion of Doom, which included Malcolm.
Merlyn Global Group held a fundraiser for CNRI when their largest donor, Stagg Industries, pulled out. The company had help create the earthquake machine that caused "The Undertaking" resulting in the death of 503 people; including the son of Malcolm Merlyn, Tommy Merlyn. The current CEO of the company is unknown. In an alternate reality, Malcolm remained the well respected CEO and Tommy was still alive.
- Presumably, as Malcolm's daughter, Thea Queen could stake some kind of claim to his shares in this enterprise.