The acquired business has 100 staff in Zurich and Geneva, offering private banking, asset management and family office services
Close Brothers Retail Finance provides unsecured finance to consumers through retailers at the point of sale, and has worked with companies such as Jessops, Samsung and Cotswold Outdoor.
Additionally, three of ASI’s funds achieved ‘sector leader’ status, meaning they have the highest ESG performance of their peer group.
The US firm plans to create a “significant” business in Luxembourg, according to the report, which will allow it to serve more fund management clients across the European Economic Area.
Robertson said: ‘We have built Octo Members with the financial services community, particularly advisers, at the forefront of our thinking.
This is a sharp acceleration from 2016, which saw only 3.5% growth of this population, reflecting more favorable conditions for wealth creation, despite volatile geopolitics.