Future Leap Network 5 January 2020 Burges Salmon Burges Salmon energy team helps power up Japanese investment into UK energy market disrupter Future Leap Network 5 January 2020 Burges Salmon Global utility company Osaka Gas UK has been advised by the energy team at Bristol-headquartered law firm Burges Salmon on its strategic investment of up to £20m in challenger energy supplier Igloo Energy.