In a brief stock market update, the company said the deal, which is for an undisclosed sum, was officially signed off earlier this morning.
Summit, was founded in Geneva in 1999 as Close Trustees Switzerland by Daniel Martineau, Stella Mitchell-Voisin and Robin Lee Smith.
The new brand identity emphasizes the Firm's fundamental focus on the management of "assets" that an individual or institution owns or controls with the expectation that, over time, they increase in value and provide future benefit.
Headquartered in Geneva, RBC Suisse provides private banking and wealth management services to high net worth clients globally, with a particular focus on emerging markets, including clients from Latin America, Africa and the Middle East.
The kids, most of whom were children of Close Brothers' clients, tended to astonish with their energy, tenacity and optimism.
The UAE is one of the places that, Mr Genovese says, appreciates the traditional strengths of the Swiss industry: expertise and discretion.
Lee Hartley, chief executive of Fairstone, said chartered status was important for the firm’s future.
This will capture senior figures from hedge funds, private equity and banks — typically among the highest earners in the City, who pay tax on their UK earnings. They now have until 2017 to comply with the full UK tax regime.