United Secretaries Limited and Grant Thornton Corporate Services Limited are both  part of Grant Thornton Hong Kong Limited. Grant Thornton Hong Kong Limited, being one of the 28 networks across Grant Thornton China is also a member firm of Grant Thornton International Ltd (GTIL), which is one of the world’s leading organisations of independent assurance, tax, and advisory firms and employs more than 73,000 people in over 149 markets.

United Secretaries Limited is a licensed trust or company service provider in Hong Kong providing diversified corporate secretarial services to entities of various jurisdictions. It also provides professional and comprehensive outsourcing services for Hong Kong and multinational business through one of its affiliates.