ECCL collaborates with other consultancy firms across the region. This enables the firm to undertake assignments regionally and internationally with ease. The firm collaborates with local and regional firms in undertaking clientele assignments when necessary.

The firm has successfully undertaken assignments for the following organizations among others: World Bank, Ministry of water and Irrigation, Kenya for Kenya coast development project, OSSREA PROGRAMME, IUCN/MERECP PROGRAMME, MU-VLIR-OUS PROGRAMME, community based organizations among organizations.