Green World City

Green World City is dedicated to help build more sustainable projects and cities worldwide by providing a framework focusing on cost-effective solutions. Our Think Tank is a global alliance of experts involved in creating sustainable projects in over 120 countries. We have shared our knowledge in building a more sustainable future with hundreds of major political and business decision makers worldwide.

GREEN CITIES & SUSTAINABLE PROJECTS: Our GREEN CITY FRAMEWORK™ & SUSTAINABLE PROJECT FRAMEWORK™ integrates environmental, social and economic considerations to help make cities and projects more sustainable. It adds significant value, minimises risk and provides guidelines in many areas such as sustainable planning, green transport and green technologies.

FUTURE CITY THINK TANK & EXPERTS: Our global network creating sustainable projects include expertise from many sectors.

SUSTAINABLE PROJECTS, TECHNOLOGIES & INITIATIVES: We can use our global networks and resources to help green and innovative companies add value, promote and expand in new markets.

Representative Transactions / Clients

We service from private investors, corporations, associations to governments around the world:

  • Governments Worldwide
  • Cities Worldwide
  • Associations Worldwide

Awards & Honors


"In recognition of significant contributions as a leader in international business, commerce, industry or public service".

University of Newcastle

Client Testimonials

Robert Vancina

Honoured with World Award for Sustainability

“It was an honour to be invited by Sein-Way Tan as a speaker on Green Leaders Summit 2013. His exceptional organisational and leadership skills to bring sustainable leaders together and give such a platform for joint activity on mega-green projects; sustainable initiatives and clean technologies are recognised by World most influential leaders. His sacrificial work is inspirational.”

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Our Team


Level 3, 507 Kent St, Sydney NSW 2000 Australia

Sein-Way Tan (CEO)
Contact via CGA (Cindy)