GreenCo is a professional ESG advisory firm accredited with ISO 9001 in ESG Reporting and Climate Policy Advisory Services. GreenCo has provided ESG advisory to over 60 listed companies in Hong Kong, China and Singapore.

GreenCo, as one of the first batch enterprises in providing ESG advisory services, has been engaged in the ESG reporting/Sustainability reporting services since 2015/2016 in accordance with the Environmental, Social and Governance Reporting Guide of Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited. As a member of GRI Community and Business Environment Council, we have been committed to corporate sustainability and offering ESG consulting services that assisted over 60 listed companies in Hong Kong, Taiwan, mainland China, Singapore and Korea with diverse business backgrounds (including all 12 industries listed in Hang Seng Industry Classification System, namely Energy, Materials, Industrials, Consumer Discretionary, Consumer Staples, Healthcare, Telecommunications, Utilities, Financials, Properties & Construction, Information Technology and Conglomerates).

Our ESG/Sustainability consulting services cover a wide range of areas, including but not limited to the preparation of annual ESG/Sustainability/CSR report, professional ESG training (e.g. face-to-face seminar, workshop, online conference and ESG researches), setting-up of ESG/Sustainability policies and investment frameworks, advisory service for ISO standards certification, documentation support for green finance, ESG rating / scoring model, ESG assurance, gap analysis, ESG branding as well as other sustainability-related services. Headquartered in Hong Kong, we have branches in mainland China that provide ESG consulting services to clients with mainland China operations.


ESG Reporting team and ESG Investment team

  • Master of Environmental Engineering and Management

  • Certified Public Accountant (CPA)
  • MPhil of Engineering for Sustainable Development

  • Master degree of Energy Engineering

  • Chartered Financial Analyst (CFA)

  • Financial Risk Manager (FRM)

  • Master of Statistics

  • Master of Finance


  • Good connection with institutional investors

  • Dealing with institutional investors on ESG enquiry

  • GCESG has met over 100 public companies for discussion on ESG matters

  • Customized greenhouse gas emission system for calculating greenhouse gas emission of fuel and electricity consumption

  • Covering the emission factors of different geographical locations

  • Continuous commitment in ESG investment research

  • Cloud data storage – emission report by year – dedicated company accounts for report

GreenCo Introduction Video

Geographic Scope of the Business Operation of Our Clients

Turkey | China | Hong Kong | Taiwan | Macau | United States | Indonesia | Bangladesh | Malaysia | Korea | Cambodia | Netherlands | Brazil | Singapore | Japan

Our team can help clients to strengthen their internal sustainability management and prepare the ESG/Sustainability reports that comply with the listing rules of Hong Kong Stock Exchange, the Listing Rule 711A and Listing Rule 711B of Singapore Stock Exchange, GRI Standards, CDP Guidance Documentation and Questionnaires, S&P Corporate Sustainability Assessment, ISO 26000 Guidance on Social Responsibility, Basic Framework of Corporate Social Responsibility Reporting Guide in China (CASS-CSR4.0), Task Force on Climate-related Financial Disclosures (TCFD) Recommendations and Sustainability Accounting Standards Board.

Our team has rich experience in various fronts regarding environmental engineering and sustainable development, especially GRI Standards, ISO 14001 ISO26000, and ISO 31000. Our previous expertise in corporate health and safety risk management made us qualified in providing convincing, thorough and accurate services to our clients. Our team has worked in China and Singapore. We equipped with knowledge on carbon emission assessment, carbon footprint calculation and carbon reduction methods as well. We specially advise on environmental impact assessment in sustainability reporting and firmly believe that we are qualified to provide consultation services for private and public companies.

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