Zenas Engineering PLC is a registered Ethiopian consultancy with 21+ years of engineering excellence — delivering water supply, sanitation, and urban infrastructure solutions across Ethiopia and the Horn of Africa since 2004. Backed by a core team of 17 professionals and 20+ specialist freelance experts.
2004
Est.
30+
Projects
17
Core Staff
10+
Countries
Zenas Engineering PLC was established in September 2004, evolving from the individual consulting practice of Yemarshet Yemane. Over two decades, the firm has grown into a multidisciplinary team of 17 professionals delivering technically rigorous, policy-aligned engineering consultancy across Ethiopia and the wider Horn of Africa.
Licensed by the Ministry of Water and Energy as a registered Water and Sewerage Consultant, and qualified for all government-funded tenders, Zenas operates a closed engineering loop — from concept and feasibility through detailed design, construction supervision, and post-completion advisory.
Concept & Feasibility
Site assessment, institutional scoping, investment planning
Detail Design & Guidelines
Engineering drawings, specifications, ESIA, BOQ
Construction Supervision
Site oversight, QA/QC, contract administration, certification
Advisory & Capacity Building
Business plans, tariff design, utility coaching, sustainability
21+
Years of Engineering Experience
30+
Major Projects Delivered
17
Core Permanent Staff
10+
Regions & Countries Served
15+
International Clients Served
Every calculation, drawing, and specification executed with exacting accuracy. From hydraulic modeling to FIDIC contract administration — no shortcuts.
Applying modern GIS, SCADA, and citywide sanitation planning (CWIS) methodologies — combining global best practice with deep local contextual knowledge.
Transparent reporting, ethical practice, and full accountability — across VAT-registered operations, publicly audited programs, and donor-funded assignments.
Water Supply & Distribution
Network analysis, pump stations, SCADA, metering
Wastewater & Sanitation
Sewer design, WWTP, fecal sludge management
Construction Supervision
Site QA/QC, contract admin, as-built certification
Environmental Safeguards
ESIA, resettlement plans, stakeholder engagement
Master Planning
Urban sanitation strategy, citywide WASH plans
Business Planning & Tariffs
Utility business plans, cost recovery, financing
GIS & Geospatial
Asset mapping, hydrogeology, remote surveys
Capacity Building
Utility training, policy advisory, technology transfer
National-level WASH sector assessment across federal and state levels in conflict-affected Sudan, with short/medium-term investment plans.
UNICEF Sudan
USD 249,264
Inclusive citywide WASH service plans for four Ethiopian cities covering business modelling, utility capacity, and investment planning.
USAID / Chemonics
USD 128,000
Full cost-recovery management capacity built for three water utilities serving refugee and host communities in Fafen Zone.
UNICEF Ethiopia
USD 711,244
Registered & Licensed
Water & Sewerage Consultant
Min. Water & Energy
Commercial Registration
Ministry of Trade
VAT Registered
Federal Inland Revenue
Gov. Tender Qualified
Min. of Finance
Addis Ababa Trade Bureau
City Registration
From national investment planning to individual town water system design — we bring technical depth, field experience, and stakeholder relationships to every assignment.