Abdulrahman Al-Turki Group (Atco), the Saudi industrial conglomerate that wholly owned Risal, sold the 51 percent stake for $250 million said CFH, which advised Atco on the deal. 

Energy Capital Group is described on its website as "an investment firm focused on generating long-term profits ... by investing in the global energy sector". 

It has a Middle East presence through a Bahrain subsidiary. 

CFH is based in Beirut. 

Mergers and acquisitions (M&A) in the Middle East and North Africa region hit a rough patch in the wake of the financial crisis as an era of leverage-led buyouts waned and several high-profile investments suffered heavy losses.   

The amount of fee income raised by investment banks from mergers and acquisitions was $165.1 million in the first three quarters of 2011, down nearly 41 percent from the same period last year, according to Thomson Reuters data.