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About Play Safe

Our Founder, Director &
Chief Play Environment Safety Consultant

Mary Wong


  • Certified Playground Safety Inspector (CPSI) ,National Recreation and Park Association (NRPA), US 

  • Certified Annual Outdoor Inspector, Register of Play Inspectors International Ltd (RPII), UK

  • Certified Annual Indoor Inspector, Register of Play Inspectors International Ltd (RPII), UK

Mary Wong has over 25 years of experience in playground safety inspection and training. In 2008, she setup "Play Safe Consultancy Company Ltd" with the key objective of providing an independent, professional and internationally recognized services of play space design, playground safety inspection, training and related consultation works. 

Mary has been appointed as the Chief Playground Safety Inspector of Hong Kong Housing Authority to conduct the bi-annual playground and fitness equipment safety audit of all the public estates since 2010.  Over the years, she and her team have audited over 13,000 playground and fitness equipment in Hong Kong.

Starting from 2011, Mary is actively providing the custom-made playground safety trainings to local and overseas construction companies, private property management companies and government sectors.  She has trained over 300 playground safety practitioners to keep the playground fun and safe.  

Recently, Mary has always been invited as playground safety consultant of different international projects from the nearby countries/cities such as Beijing, Shanghai, Macau, Thailand, Vietnam, Singapore. 

Her vision is simple. Keep the playground SAFE and FUN! 

Our Qualifications

The Certified Playground Safety Inspector (CPSI) is accredited by National Recreational Park Association (NRPA) in U.S for the recognition and prevention of the potential playground hazards.

The Register of Play Inspectors International (RPII) is the official UK body for examining, accrediting and certificating inflatable, indoor and outdoor play inspectors.

Our Overseas Advisor

Keith Dalton

  • RPII Registered Annual Outdoor Inspector

  • RPII Indoor Soft Play Inspector

  • RPII Routine, Operational & Annual Level Trainer & Examiner

  • RPII Technical Director (Outdoor)

  • RPII Chairman

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