https://www.sannegroup.com/about-us/about-us/
.....Pretty obscure, but offers private financial services. Based in Jersey, they have done pretty well out of offering asset services to the global elite. Chaired by former banker Robert Robson, head of Tullett Prebon.
Went public with code LSE: SNN.L from March 2015, 3-400% SP increase to date.