C4 EcoSolutions Member

C4 EcoSolutions (C4ES) is a specialist climate consultancy with a global reputation for designing and delivering impactful adaptation and mitigation projects. Since 2006, we have delivered more than 400 climate-focused initiatives across over 115 countries in Africa, Asia-Pacific, Latin America, and the Caribbean. Our clients include the UN Environment Programme, UNDP, IFC, IFAD, GIZ, FAO, Conservation International, UNICEF, and a wide range of national governments and development banks. In 2025, C4ES became part of the TAG International Group —-a strategic move that broadened our reach and enhanced our ability to deliver integrated climate, security, governance, and development solutions in fragile and complex environments. As part of this group, we remain a mission-led and technically grounded organisation, delivering innovative, sustainable solutions for the climate and development challenges of today and tomorrow.

In 2025, TAG merged with C4ES, and C4ES became part of the TAG International Group —-a strategic move that broadened our reach and enhanced our ability to deliver integrated climate, security, governance, and development solutions in fragile and complex environments. As part of this group, we remain a mission-led and technically grounded organisation, delivering innovative, sustainable solutions for the climate and development challenges of today and tomorrow.