Climate • Environment • Water • Sanitation

Innovative Solutions for Climate, Environment, Water, and Sanitation

A Kenyan-based, regionally focused multidisciplinary consulting firm delivering sustainable impact across Africa.

Free initial assessment
Expert team
Community water project

Trusted Partners

Across East Africa

Trusted by NGOs, governments, and development partners across East Africa.

Our Purpose

Empowering Africa Through Climate Resilience

Vision

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.

Mission

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.

Real-World Impact
0.0K+
People with improved water access
0%
Reduction in climate vulnerability
0+
Community adaptation projects

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

Homabay County Government
IUCN
World Vision
CIFOR-ICRAF
Nairobi County
Taita Taveta County
Kenya Climate Change Working Group
The Nature Conservancy
NCBA Group
Homabay County Government
IUCN
World Vision
CIFOR-ICRAF
Nairobi County
Taita Taveta County
Kenya Climate Change Working Group
The Nature Conservancy
NCBA Group
Homabay County Government
IUCN
World Vision
CIFOR-ICRAF
Nairobi County
Taita Taveta County
Kenya Climate Change Working Group
The Nature Conservancy
NCBA Group

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

Forest & Water Policies Harmonisation and Stakeholder Engagement
Policy Development & Stakeholder Coordination

Forest & Water Policies Harmonisation and Stakeholder Engagement

Client: Taita Taveta County Government

Challenge

Developing unified and aligned forest and water policies and frameworks to coordinate activities across sectors and achieve national development goals.

Our Solution

Facilitated stakeholder and county technical team engagement on review, harmonisation and finalisation of forest and water policies; developed roadmap for adoption with support from The Nature Conservancy (TNC).

Key Results

  • Forest and water policies harmonised and aligned with national and global legislation
  • Unified framework developed to coordinate activities across water, environment and natural resources sectors
  • Stakeholder consensus achieved on policy adoption roadmap
  • Framework designed to advance universal water coverage and boost forest cover goals
Homa Bay County – Agricultural Staff Capacity Building & Extension Training (2025)
Agricultural Extension & Institutional Capacity

Homa Bay County – Agricultural Staff Capacity Building & Extension Training (2025)

Client: County Government of Homa Bay – Departments of Agriculture, Livestock, Fisheries & Cooperatives

Challenge

Building technical capacity of county agricultural extension staff to improve service delivery and farm productivity outcomes.

Our Solution

Designed and delivered comprehensive training program for SCAOs and Directors of Agriculture, Livestock, Fisheries and Cooperatives; focused on modern agricultural practices, climate-smart techniques, and extension methodologies.

Key Results

  • Training delivered to SCAOs and departmental directors across Homa Bay County
  • 7 months of ongoing capacity building and technical support (February – Present)
  • Enhanced extension staff capability in agricultural innovation and climate adaptation
  • Strengthened institutional coordination across Agriculture, Livestock, Fisheries and Cooperatives departments
National Forest & Landscape Restoration Implementation Plan
Forest & Landscape Restoration

National Forest & Landscape Restoration Implementation Plan

Client: National and County Governments (Kenya)

Challenge

Accelerating large-scale restoration of 3.5 million hectares of deforested landscapes across Kenya.

Our Solution

Co-designed national implementation plan and monitoring framework; guided pilot counties in developing restoration plans.

Key Results

  • National implementation plan (2022-2027) and monitoring framework developed
  • County-level plans for Laikipia, Nyandarua, Tana River, Vihiga and Taita Taveta
  • Aligned with AFR100, Bonn Challenge, Paris Agreement NDCs and UN Decade of Ecosystem Restoration
Kisumu County – Water Infrastructure Development & Resource Mobilization
Water Infrastructure & Institutional Strengthening

Kisumu County – Water Infrastructure Development & Resource Mobilization

Client: County Government of Kisumu

Challenge

Delivering water infrastructure projects under constrained budgets and capacity.

Our Solution

Led preparation of work plans and budgets, implemented performance systems, and managed project appraisals, designs, procurement and supervision.

Key Results

  • Departmental work plans and budgets prepared
  • Performance management systems implemented
  • Multiple projects appraised, designed and delivered with BOQs and tender documents
  • Water infrastructure projects supervised and completed
Kenya Water for Health Organization (KWAHO) – WASH Service Delivery & Community Mobilization
WASH Implementation & Capacity Building

Kenya Water for Health Organization (KWAHO) – WASH Service Delivery & Community Mobilization

Client: Kenya Water for Health Organization (KWAHO) / Local communities

Challenge

Delivering sustainable WASH services across schools and communities while building local capacity.

Our Solution

Implemented WASH services across schools, coordinated construction through CBOs, facilitated multi-stakeholder engagement, and delivered trainings and health clubs.

Key Results

  • WASH implementation across six schools and ten sub-grantee CBOs
  • 40+ participatory trainings across six counties
  • 10 school health clubs and 270 new latrines constructed
  • 100% project completion rate with sustainable community-led models

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

NEMA Registered

National Environment Management Authority

WASREB Licensed

WASREB Licensed

Water Services Regulatory Board

ISO 9001:2015

ISO 9001:2015

Quality Management Systems

UNFCCC Accredited

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.

D
Dr. Rose Akombo

Dr. Rose Akombo

Director, Environmental Science

Dr. Rose Akombo

Environment, Forestry and Climate change Expert with a PhD in Environmental Science and MSc in Forest Science and Forest Ecology with over 20 years experience in the sector including national policies formulation.

E
Eng. Opuko Hesbon

Eng. Opuko Hesbon

Lead, Water Engineering & Sanitation

Eng. Opuko Hesbon

Water and Sanitation Expert with BSc in Water Engineering with over 30 years experience in Water and Sanitation sector including development of policies and legal frameworks at County level.

M
Ms. Faith Agnes

Ms. Faith Agnes

Knowledge Management Expert

Ms. Faith Agnes

Knowledge management expert with BSc in Social Sciences and MSc in Peace Studies and International Relations with over 8 years of experience in climate change, peacebuilding, and international development.

M
Ms. Noel Anyango

Ms. Noel Anyango

Agri-Business Expert

Ms. Noel Anyango

Agribusiness specialist experienced in agricultural value chains, market linkages, and farm-level advisory services to improve productivity and commercialization.

E
Eng. Bengo Ray

Eng. Bengo Ray

ICT Expert Lead

Eng. Bengo Ray

ICT lead with expertise in designing and implementing digital systems, data management, GIS integration, and ICT-for-development solutions.

M
Ms. Diana Terry

Ms. Diana Terry

Economist and Risk Expert | Data Analyst

Ms. Diana Terry

Economist specializing in economic analysis, financial risk assessment, cost–benefit studies, and climate resilience planning for development projects.

Get in Touch

Ready to discuss your project? Book a free consultation to explore how we can help.

Email: info@rewasaconsultants.co.ke

Phone: +254 727 682 925 | +254 722 449 315

Location: East Riverine Drive - Nairobi, Kenya

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