With the Kazakh government and international companies scrambling for control over the country’s resources, law firms — particularly U.K. firms — have recently been getting a piece of the Caspian action.

Linklaters advised mining giant Kazakhmys, a company with ties to Kazakh’s political elite, in a complicated $2.58 billion stock swap announced Tuesday that made the company the biggest shareholder in Kazakhstan’s largest copper producer, according to Legal Week. Linklaters has advised Kazakhmys since 2005, the firm said.