Northern Trust and Carey Olsen, the specialist offshore law firm, have supported Castelnau Group Limited with its IPO on the London Stock Exchange. The Guernsey-domiciled investment company, managed by Phoenix Asset Management, was recently launched on the LSE following a GBP178m (USD245m) IPO. Castelnau is focused on investing in both public and private companies with initial investments including firms providing digital analytics. Northern Trust is providing Castelnau Group Limited with a suite of asset servicing solutions, including fund administration, fund accounting, custody and depositary services.