Our Clients


  • Construction Industry Council
  • East and South East Asia Regional Chapter of Acoustics Society of America
  • Hong Kong Chiu Chow Chamber of Commerce
  • Hong Kong Construction Association
  • Hong Kong and China Gas Company Ltd
  • Hong Kong Institute of Acoustics
  • Hong Kong Institute of Coaching Community
  • Hong Kong Institute of Qualified Environmental Professionals
  • Macau Instituto de Acustica
  • Master Insight Media Limited
  • MTR Corporation Ltd
  • Musicus Society
  • Picowork
  • UNESCO HK Association
  • About Us

    C&EO offers a range of professional project management services -- conference, symposium, seminar, exhibition, festivals, arts events, and annual / gala dinner.

  • Contact Us

Aventurine & Co Ltd is trading as C&EO and ET&C