CEDIS — Clean Earth Development & Investment Solutions.
CEDIS is a Nairobi-based consulting practice specialising in ESG, climate-resilient infrastructure and sustainable development advisory. We work alongside donors, NGOs, government agencies and engineering firms to deliver compliant, technically sound and community-grounded projects across Kenya and the Horn of Africa.
The firm is led by Roy Okoth Okello — bringing 16+ years of field, program and policy experience to every engagement.
What we offer
Four practice areas. One integrated approach.
CEDIS combines environmental rigour with engineering pragmatism — the technical depth of a registered engineering practice, paired with the field experience of a senior development practitioner.
Environmental Advisory
Safeguards, audits and compliance frameworks for development and infrastructure clients.
Infrastructure Engineering
Feasibility, detailed design and supervision for water, sanitation and resilience infrastructure.
Climate & ESG Strategy
Climate risk screening, ESG strategy and donor compliance support for multi-stakeholder programs.
Stakeholder & Policy
RAP, FPIC, sectoral planning and engagement with counties, NEMA and donor partners.
Why clients work with CEDIS
- Registered & licensed.NEMA Lead Expert, EBK, KETRB and NCA — work delivered under named professional registrations, not subcontracted.
- Donor-fluent.Deep working knowledge of World Bank ESS, USAID 22 CFR 216 and EMCA 1999 compliance regimes.
- Field-grounded.Sixteen years on ASAL roads, boreholes and county offices — proposals reflect what actually delivers.
- ISO-disciplined.ISO 9001, 14001 and 45001 internal auditing built into how we manage projects, contractors and reports.