BLACKROCK UK (SIGMA) LIMITED has been working since 7/8/2016. The current status of the business is Active BLACKROCK UK (SIGMA) LIMITED located on 12 THROGMORTON AVENUE, LONDON, UNITED KINGDOM, EC2N 2DL Blackrock Company Secretarial Services Uk Limited is known as a Secretary of the company. Director Mcdonald Colin is known as a Director of the company. Managing Director, Finance Thomson Colin Roy is known as a Director of the company. Due date of the next annual return is 8/4/2018 12:00:00 AM."Activities of financial services holding companies" is a known activity of the company.