As a longstanding, successful and independent company, Gamos' client portfolio is lengthy and diverse. This selective list offers a few examples of past and current clients. In addition, details of exiting framework agreements can be found bellow.

Government bodies

• UK Department for International Development (DFID)
• Swedish International Development Cooperation Agency (SIDA)
• International Development Research Centre (IDRC)
• Organisation for Economic Co-operation and Development (OECD)

Large international NGO

• The Gates Foundation
• The World Bank
• The Global Network for Disaster Reduction (GNDR)
• UNICEF
• The Commonwealth Telecommunications Organisation (CTO)
• Food and Agriculture Organization of the United Nations (FAO)
• International Institute for Communication and Development (IICD)

International Charities

• Tearfund
• Compassion
• Visionfund

National and local NGOs

• The Grameen Foundation (India)
• Kulika Trust (Uganda)

Academia

• Institute for Development Policy and Management (Manchester, UK)
• Institute for Development Studies (Sussex, UK)
• The University of Reading (UK)

Gamos currently holds three enabling agreements with the UK Department for International Development (DFID) and one with the European Commission:-

• Engineering Framework Agreement (DFID) Mott MacDonald Consortium
• ICD Framework – Communications for Development Specialists (DFID)– Gamos Consortium (Visit IC4Dev.org)
• ICD Framework – Government information and Communication Services (DFID) – Gamos Consortium
• Regional Information & Communications Technologies Support Programme (European Commission (EDF9)/COMESA Secretariat)– Danish ICT Management