Mr Davidson has worked in the profession for 25 years and joins from Thorntons Investments where he worked since 2012, most recently as head of Financial Planning.
He has also held roles at Prudential Financial Planning, and Standard Life Client Management.
Ronnie Binnie, managing partner for Edinburgh, said: “This is a hugely exciting time for our Edinburgh team as we continue a period of rapid growth. Barry marks the 12th person to join our team across all departments since the summer and we are still looking to further expand throughout the year.
“Barry is a wonderful addition to our team – he is hugely experienced and highly-regarded in the sector and will play a vital role as we continue on our journey.”
As part of Tilney’s ‘dual expert’ approach, Mr Davidson will work with the firm’s investment managers to provide integrated wealth management.
Tilney manages over £25 billion in assets for client and employs more than 1,000 staff in 30 offices. The company is headquartered in Mayfair, London.