The firm’s Max Horne, Trudi Horne and Fraser Rowan from will all join Wren Sterling as part of the deal.
Under the terms of the deal Wren Sterling will secure around £116m of assets under advice, taking Wren Sterling’s total to £3.3bn.
This acquisition is the third by Wren Sterling in the last three years and follows the buys of back books from First Trust Bank in Northern Ireland and Leek United Building Society.
Ian Halley, Wren Sterling CEO, said: “This acquisition is an exciting step for Wren Sterling because it further supports the growth of our business.
“I’m looking forward to working with Max and his team to embed these clients into our business ensuring they continue to have access to independent Financial Planning services.
Mr Halley said that as part of its growth plans Wren Sterling was looking for “opportunities to acquire more businesses and/or back books, where there is a good cultural fit between the businesses and it’s clear that a transaction will secure clients’ access to advice and enable advisers to plan for their succession.”