Innovative Solutions for Climate, Environment, Water, and Sanitation
A Kenyan-based, regionally focused multidisciplinary consulting firm delivering sustainable impact across Africa.

Trusted Partners
Across East Africa
Trusted by NGOs, governments, and development partners across East Africa.
Empowering Africa Through Climate Resilience
Our Vision
To be the leading consultancy firm in Africa that co-develops, designs and delivers innovative, sustainable, and climate‐resilient solutions in environmental management, water, and sanitation.
Our Mission
To empower governments, communities, and private-sector partners through expert, scalable, and locally informed consultancy services in climate mitigation and adaptation, environmental conservation and management, safe water access, and sanitation infrastructure.
How We Deliver Impact
Co-Development
Working alongside communities
Local Expertise
Grounded in African realities
Evidence-Based
Data-driven solutions
Sustainable Systems
Building long-term resilience
Core Values
Principles that guide our work and partnerships
Integrity & Quality
Ethical, transparent, and excellence-driven delivery.
Innovation
Creative, modern approaches tailored to your context.
Local Empowerment
Co-creating with communities and local partners.
Adaptability
Flexible, responsive, and resilient methods.
Sustainability
Long-term systems thinking and stewardship.
Our Services
Strategy, operations, finance, and specialized support across the Climate • Environment • Water • Sanitation spectrum.
- Strategic planning and organizational development
- Policy design and governance frameworks
- Program design and theory of change
- Operational assessments and optimization
- Process improvement and efficiency audits
- Implementation support and project management
- Climate finance and grant proposal development
- Financial planning and budgeting support
- Donor engagement and partnership development
- Climate risk assessments and adaptation planning
- GHG accounting, mitigation roadmaps, and MRV systems
- Environmental audits, EIAs, and policy advisory
- Water security diagnostics and strategic planning
- Catchment management and hydrological modelling
- Water quality monitoring and data systems
- Citywide Inclusive Sanitation (CWIS) strategies
- Faecal sludge management and service design
- Wastewater treatment and reuse planning
- Program design and implementation support
- Behavior change, hygiene, and SBC interventions
- Monitoring, Evaluation, and Learning (MEL)
- Training for government and utility staff
- Toolkits, guidelines, and SOPs
- Technical backstopping and coaching
Why Partner With Us
We combine local insight with global standards.
Multi-disciplinary Team
Expertise spanning climate, environment, water, sanitation, and MEL.
Holistic Approach
Systems thinking from policy to last-mile service delivery.
Innovation & Tech-driven
Modern tooling including GIS, remote sensing, and data platforms.
Localized Expertise
Kenya-based with regional networks and grounded insights.
Sustainable & Community Oriented Design
Practical, inclusive, and durable solutions with communities.
Trusted Partners
We partner with leading organizations across policy, programs, and implementation.
Government Agencies
Development Partners & Donors
NGOs & Multilaterals
Private Sector
Selected Partners & Clients



























What Our Clients Say
Trusted by leading organizations across Africa
“REWASA delivered exceptional work on our climate adaptation strategy. Their local expertise and data-driven approach exceeded our expectations.”
Mr. Kioli John
Kenya Climate Change Working Group
“The WASH infrastructure assessment provided clear, actionable insights. Their team's technical depth and communication skills are outstanding.”
Eng. Michael Ochieng
County Water Engineer
“Working with REWASA transformed our environmental management approach. Their holistic methodology and community engagement made all the difference.”
Grace Wanjiru
Green Future Initiative
Proven Results
Real impact from our consulting engagements across Africa
Ready to Transform Your Impact?
Book a free consultation to discuss your climate, environment, water, or sanitation challenges. Our experts will provide tailored recommendations for your organization.
✓ No obligation • ✓ Expert insights • ✓ Actionable recommendations
Accreditations & Certifications
Recognized credentials and professional standards

NEMA Registered
National Environment Management Authority

WASREB Licensed
Water Services Regulatory Board

ISO 9001:2015
Quality Management Systems

UNFCCC Accredited
Climate Change Consulting
Certified Environmental Impact Assessors
Registered Water Resources Engineers
Climate Finance Accredited Consultants
WASH Sector Specialists
Our Team
A core team supported by a network of associate experts across Africa.










