Threadneedle Investment Services Limited, Cannon Place, 78 Cannon Street, London, EC4N 6AG. Registration Number 3701768. Authorised and Regulated in the UK by the Financial Conduct Authority. Columbia Threadneedle Investments is the global brand name of the Columbia and Threadneedle group of companies.hreadneedle Investment Services Limited, Cannon Place, 78 Cannon Street, London, EC4N 6AG. Registration Number 3701768. Authorised and Regulated in the UK by the Financial Conduct Authority. Columbia Threadneedle Investments is the global brand name of the Columbia and Threadneedle group of companies.