The London-listed group has added to its board, it announced on the London Stock Exchange.

UK-based Arbuthnot Banking Group has appointed Ian Dewar to its board as non-executive director. 

The news came on the same day its private banking subsidiary, Arbuthnot Latham, reported a large surge in pre-tax profits for the first half of this year.

As of August, Dewar will also become non-executive director of Arbuthnot Latham. He also holds directorship roles at Brewin Dolphin Holdings and Brewin Dolphin Limited and has previously served as director at KPMG.

“The board is delighted to welcome Ian to Arbuthnot Banking Group and we are looking forward to benefitting from his wealth of experience and his contribution to the future success of the group,” said the group's chairman and chief executive, Sir Henry Angest.

Arbuthnot Banking Group generated pre-tax profits of £15.7 million ($24.4 million) for the first half of 2015, up 65 per cent from the previous year.