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Who are we?

1 %
Profound knowledge and experience
1 %
Goals & expectations achieved
Sustainability projects delivered
Network Members trusted us
1 %
Project efficiency generated

SINCE 2006

For over 14 years, we provide a wide range of services and solutions to support our members and clients, succeeding triple bottom line results.

Based in London and Athens, with offices in Berlin, Brussels, Cairo and Nicosia, Global Sustain offers innovative online and off-line services related to sustainability, corporate responsibility, responsible investing, green economy, business ethics and excellence, transparency, human rights and accountability.

Its members include corporations, non-governmental and non-profit organisations, municipalities and local authorities, academic institutions, media, professional bodies, service providers, chambers, think tanks and other public or private entities. 

Giving back

Has financed 20 charitable projects carried out by Global Sustain NGO members to date.


Operates as a 100% carbon neutral firm.


Conducts research on sustainability, CSR, the green economy and the third sector for members and clients.


Has published 9 Yearbooks to date.

Pioneering sustainability

  • Is a UN Global Compact signatory and founding member of the Global Compact Network Hellas since 2008 and member of United Nations Global Compact Network Belgium, since November 2012.
  • Is a signatory to the United Nations-supported Principles for Responsible Investment (PRI) Initiative.
  • Is a member and partner of leading global media organisations such as CSRwire, Inc., Ethical Performance and Business Wire .
  • Is a GRI Gold Partner.

Partnerships for the goals

  • Facilitates partnerships among members, between the corporate and third sectors as well as key stakeholders.
  • Broadcasts CSR and sustainability news, reports, events and information on behalf of members and clients, with a global audience.
  • Takes part, presents and officially supports local, regional and international conventions, events and exhibitions organised by: the Economist Conferences, Ethical Corporation, FT Business, Social Capital Media – SOCAP/Europe, Transparency International, TBLI Conference B.V., EBD Group AG, Institute of Directors (IOD) India, Enterprise Asia and many others.
  • Delivers conferences, training, networking and professional development events.


Michael Spanos


Christina Halkia

Events & Outreach

costis castakioris global sustain team

Costis Catsakioris​

Client Relations

ilektra liberopoulou global sustain team

Ilektra Liberopoulou

Marketing & Communications

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