OJ Consulting Engineers Ltd. was established in 2006 and a member of MaryJ Group. We provide global consultation services for Architectural, Structural, Geotechnical, Mechanical, Electrical, Plumbing & Drainage, Fire Services & Building Energy, interior design, renovation work and fitting out work services in Hong Kong, China, US, South East Asia.
We shape a
better world

We’re committed to managing our business
We’re committed to managing our business with the upmost responsibility and to always strive for better — be that reducing emissions, creating social value or diversifying our senior leadership and workforce.
We understand both the urgency of the challenges facing our society and our responsibility to act in an impactful and enduring way. We’re leading the change towards a more sustainable and equitable future, partnering with those who want to make a positive difference in the world.
We’re trusted advisors
We’re listening to clients and the communities we serve in order to improve lives and livelihoods, and to create sustainable legacies for generations to come.
We’re trusted advisors — planners, designers, engineers, consultants and program and construction managers — delivering professional services spanning cities, transportation, buildings, water, new energy, and the environment. Working throughout the project lifecycle, we’re one team driven by a common purpose to deliver a better world.

Our Process
Our expertise covers investments & technical advisory – Across the entire project cycle
– Feasibility Study
– Technical Advisory
– Financial Advisory
– Capital Raising / Investment
– Transaction Structuring
– Exit Strategy
– Facilities Management
– Project Delivery
