Mr Speirs joined Chase de Vere in 2016 as a corporate consultant.
In the new role he will be responsible for managing Chase de Vere’s team of 17 corporate advisers based around the UK.
The team provides employee benefits consultancy, workplace financial education and business protection advice and services for employers.
Mr Speirs has 31 years industry experience having previously worked at Clydesdale Bank, Halifax Bank of Scotland and Royal Bank of Scotland.
Away from work, he is married with two children, enjoys fishing and holidays and follows Glasgow Rangers Football Club.
Mr Speirs said: “I am passionate about Chase de Vere and am relishing the opportunity to work with our team of corporate advisers.
“This team already does a fabulous job of helping employers with a range of services including employee benefits, workplace pensions, group risk and providing financial education in the workplace.
“I am determined to make a real difference to make our corporate advice services even better.”
Stephen Kavanagh, chief executive, Chase de Vere, says: “We are in the enviable position of having a corporate advice service sitting alongside our independent financial advice business.
“This means we’re able to provide a comprehensive range of services to employers and to their employees and senior executives.
“Stewart has the skills, experience and determination to develop our corporate advice proposition and, with the introduction of this new specialist role, he can ensure that our corporate and private client advisers are working together to provide the best outcomes for our clients.”