Managing director William Macpherson has led a management buyout of Financial Training from Dutch firm Wolters Kluwer Group.
The total value of the deal has not been released, but it is believed to be between £45m and £50m.
The MBO team was backed by the Royal Bank Private Equity (RBPE), which provided £13m of equity, and Dresdner Kleinwort Wasserstein, which provided most of the balance in loans.
Financial Training was founded in 1958 and sold to the Wolters Kluwer Group in 1987. Last year, the firm had sales of about £29.2m.
Last year, Wolters Kluwer sold the training companies Krauthammer International, IEC and HQ, which together had annual sales of about £29.2m.
Financial Training was advised by PricewaterhouseCoopers and Eversheds.