Few readers of thewealthnet may be aware of Hansa Capital Partners LLP, a London-based investment management partnership with around £1 billion under management.

But Hansa, or the Hanseatic Group as it now calls itself, is a successor to Rea Brothers, a small London private bank controlled by the Salomon family that was acquired by Close Brothers in 1999.

In addition to managing a small portfolio of open and closed-ended funds, including the London-listed Hansa Investment Company, the partnership effectively manages the investment portfolio of Ocean Wilsons Holdings, another London-listed investment company as...