United Prime Educational Publishing (HK) Limited, established in 2022, is dedicated to innovation in the education industry. Building on the expertise of its parent company, Sino United Publishing, with over a century of experience, United Prime has taken over Pearson Longman's local publishing portfolio to elevate educational resources. The brand focuses on learning to innovate and innovating to learn, combining accumulated knowledge with a commitment to continuous learning.

Market-leading titles include primary school materials for Music and Computer, along with Secondary Mathematics, Putonghua, Economics, and BAFS. In response to the evolving educational landscape, United Prime offers digital solutions like the music composing app Little Composer and the Mathematics in Action Series' Diagnostic Assessment tool. Their product range extends to eTextbooks with interactive elements and personalized performance analysis.

United Prime's vision is to foster collaborative and innovative learning while preparing learners for future success through ongoing educational solutions