Couples with long standing ties to the UK, can apply to bring their case to be heard in the English courts (Matrimonial and Family Proceedings Act 1984). In one such case, Sparten were instructed to assist the discovery phase by identifying assets and confirm financial vehicles and associated accounts possibly used to obfuscate discovery. Legal teams rely on us to investigate all angles and ensure they have accurate and timely information with which to build a case. 

https://www.thetimes.co.uk/article/vladimir-putins-hockey-buddy-vladimir-potanin-and-ex-natalia-potanina-to-fight-britains-costliest-divorce-6tls36j63