The Battenburg Group is a secretive and powerful cabal of capitalists. In Democracy 2, Battenburg Group members are non-socialist and typically wealthy too. In Democracy 3, Battenburg Group members are former members of Business First who radicalized.
The Battenburg Group is very well-funded as its directly supported by influential corporations. If angered, the group will attempt to assassinate a country's leader by hiring a highly skilled sniper armed with a state of the art rifle.
The Battenburg Group is named after the Bilderberg Group, an annual private conference of influential people suspected of being involved in a conspiracy.