About us

TopDrain WaterWorks LTD

Flowing Solutions, Lasting Excellence!

Who we are

TopDrain WaterWorks LTD is a leading plumbing and drainage company in Nairobi delivering high-quality, sustainable water infrastructure solutions across Kenya — from flood control and sewer management to plumbing, drainage works, and maintenance.

Our engineers, technicians, and project managers bring years of hands-on experience, combining technical expertise with local knowledge for residential, commercial, and public-sector clients.

From emergency plumbing to large-scale drainage infrastructure, we support projects across Nairobi and throughout Kenya.

Our goal is simple

Create resilient water and drainage systems that protect communities, conserve resources, and enable growth — whether managing stormwater, installing efficient plumbing, or providing 24/7 maintenance support.

Flood control
Plumbing works
Sewer management
Drainage works
Firefighting systems
Water supply

Why choose us

Proven track record in complex water and drainage projects

Dedicated team of certified professionals

Quality workmanship and environmental sustainability

Reliable support from design through maintenance

Let's build better water systems — together.

Vision, mission & values

Our vision

To be the most trusted water and infrastructure solutions provider in Africa, delivering excellence and sustainability in every project.

Our mission

Offer reliable, innovative engineering services that meet the water and infrastructure needs of communities and institutions across the region.

Core values

  • Integrity
  • Professionalism
  • Innovation
  • Teamwork
  • Sustainability

Our team

Muriithi Mwangi

Muriithi Mwangi

Director of Technical Operations & Strategic Development

Over 8 years of hands-on experience in water works and infrastructure. Leads project planning, execution, and adoption of cutting-edge water solutions across all initiatives.

Maina Ndegwa

Maina Ndegwa

Business Development Director — Water Infrastructure

Drives strategic partnerships and client-centered solutions. Champions sustainable water systems and growth opportunities aligned with TopDrain’s mission.

Management & technical team

Kelvin Muchemi

Kelvin Muchemi

Finance Officer

Charles Muriithi

Charles Muriithi

Senior Technical Advisor — Plumbing & Drainage

Rose Wanjiru

Rose Wanjiru

Office Administrator

Kariuki Karanja

Kariuki Karanja

Technology & Digital Systems Lead

Samuel Mugo

Samuel Mugo

Manager — Transport & Logistics

Eric Maina

Eric Maina

Senior Supervisor — Plumbing & Drainage

Ilan Muriithi

Ilan Muriithi

Plumbing Supervisor

Clement Macharia

Clement Macharia

Plumbing Technician

John Ngari

John Ngari

Plumbing Technician

Peter Thuo

Peter Thuo

Plumbing Technician

Work with TopDrain WaterWorks LTD

Need drainage, plumbing, or emergency support? View our projects or get in touch for a site visit and clear quote.