Company lists · Data refreshed September 2026

Top 25 Water utility consulting firms based in South Africa

RevenueBase identified 106 water utility consulting firms headquartered in South Africa as of September 2026 and tracks 1,993 professional contacts across them, including 667 with verified work emails. Johannesburg is the largest hub.

This list covers water utility consulting firms headquartered in South Africa, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
106Companies
1,993Contacts tracked
667Verified emails
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The 25 largest water utility consulting firms based in South Africa

Ranked by team size
Top 25 of 106 water utility consulting firms based in South Africa, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to water utility consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceWoodmead, South AfricaHQ checked Sep 29, 2026201-500358 contacts →

Partial evidence

“Proxa is a leading water treatment specialist whose integrated services cover the entire water cycle and span numerous global industries, including: mining, food & beverage…”

Source: RevenueBase Database · checked Sep 29, 2026
2Partial evidenceDurban, South AfricaHQ checked Sep 29, 202651-200202 contacts →

Partial evidence

“Increasing pressure on water resources is leading to a global rise in supply-risk and cost of total water management.”

Source: RevenueBase Database · checked Sep 29, 2026
3Strong evidenceJohannesburg, South AfricaHQ checked Sep 29, 2026201-500175 contacts →

Strong evidence

“Nafasi Water, formerly known as Aveng Water is a 100% black-owned leading water technology and water utility service company.”

Source: RevenueBase Database · checked Sep 29, 2026
4Strong evidenceCity Of Tshwane, South AfricaHQ checked Sep 29, 2026201-500136 contacts →

Strong evidence

“iX engineers is a proudly South African multi-disciplinary consulting engineering company with a focus on five key market sectors, being; Water, Energy, Transport, Development…”

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceCity Of Tshwane, South AfricaHQ checked Sep 29, 202651-20068 contacts →

Indirect evidence

“Established in 2013, Eco Elementum is a leading environmental and engineering consultancy.”

Source: RevenueBase Database · checked Sep 29, 2026
6Partial evidenceJohannesburg, South AfricaHQ checked Sep 29, 202651-20051 contacts →

Partial evidence

“As the start and end-point for every aspect of water purity and preservation in Africa, our customers, the environment, and preserving nature‘s most precious resource are at the…”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidencePretoria, South AfricaHQ checked Sep 29, 202611-5042 contacts →

Indirect evidence

“We are acknowledged as a Centre of Envisioning Engineering Excellence (or “Ceenex” for short) by our public- and private-sector clients.”

Source: RevenueBase Database · checked Sep 29, 2026
8Strong evidenceStellenbosch, South AfricaHQ checked Sep 29, 202611-5038 contacts →

Strong evidence

“GLS Consulting (Pty) Ltd offers consulting services and software products in the fields of water, sewer, stormwater and electricity systems.”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceGroenkloof, South AfricaHQ checked Sep 29, 202611-5037 contacts →

Indirect evidence

“WRP is a proudly level 2 BB-BEE specialist engineering consultancy founded and cultivated in South Africa.”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceBellville, South AfricaHQ checked Sep 29, 202611-5026 contacts →

Indirect evidence

“Project Concept and Feasibility Infrastructure Master Planning and Demand Modelling Infrastructure Cost Estimation Preliminary Engineer Design and Reporting Value Engineering…”

Source: RevenueBase Database · checked Sep 29, 2026
11Strong evidenceNoordheuwel, South AfricaHQ checked Sep 29, 202651-20024 contacts →

Strong evidence

“Pro-Plan Consulting Engineers is a South African firm specialising in water and civil infrastructure-from bulk water supply, treatment plants and reservoirs to multidisciplinary…”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceDainfern, South AfricaHQ checked Sep 29, 202611-5023 contacts →

Indirect evidence

“In most cases, a corporation’s energy costs are among the top three highest costs for an organisation.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceSandton, South AfricaHQ checked Sep 29, 20261-1023 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceBallito, South AfricaHQ checked Sep 29, 202611-5014 contacts →

Indirect evidence

“Triplo 4 specialises in solving environmental challenges and improving environmental performance in a sustainable manner.”

Source: RevenueBase Database · checked Sep 29, 2026
15Partial evidenceCape Town, South AfricaHQ checked Sep 29, 202611-5014 contacts →

Partial evidence

“Hidro-Tech is a leading water and wastewater treatment engineering firm.”

Source: RevenueBase Database · checked Sep 29, 2026
16Partial evidenceJohannesburg, South AfricaHQ checked Sep 29, 2026501-1,00012 contacts →

Partial evidence

“Zana Manzi Services specialises in the management, construction, refurbishment, operation and maintenance of water and wastewater systems.”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceMidrand, South AfricaHQ checked Sep 29, 20261-1012 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
18Partial evidencePietermaritzburg, South AfricaHQ checked Sep 29, 202611-5010 contacts →

Partial evidence

“Impumelelo Consulting Engineers (Pty) Ltd Impumelelo Consulting Engineers is a leading South African engineering consultancy specializing in infrastructure development and…”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceCenturion, South AfricaHQ checked Sep 29, 202611-509 contacts →

Indirect evidence

“Akhile is a Level 1 company dedicated to delivering sustainable and practical solutions to the public sector.”

Source: RevenueBase Database · checked Sep 29, 2026
20Partial evidencePretoria, South AfricaHQ checked Sep 29, 202611-509 contacts →

Partial evidence

“Clarity Installations (Pty) Ltd is a proudly South African leader in water engineering, delivering innovative and sustainable water and wastewater solutions since 2010.”

Source: RevenueBase Database · checked Sep 29, 2026
21Partial evidenceCape Town, South AfricaHQ checked Sep 29, 202611-507 contacts →

Partial evidence

“Established in 2021, REFLEKT WATER is led by three engineers - Marco Kritzinger, Francois Smuts, and James Whitehead.”

Source: RevenueBase Database · checked Sep 29, 2026
22Partial evidenceCenturion, South AfricaHQ checked Sep 29, 202611-507 contacts →

Partial evidence

“Infraburo, a consulting civil & structural engineering firm, was founded in 1997, specializing in the planning, design, construction monitoring & management of civil engineering…”

Source: RevenueBase Database · checked Sep 29, 2026
23Partial evidenceDurban, South AfricaHQ checked Sep 29, 20261-106 contacts →

Partial evidence

“PuraPlan is a design and project services company focusing on water and wastewater treatment.”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceJohannesburg, South AfricaHQ checked Sep 29, 202611-506 contacts →

Partial evidence

“Enaqua - Specialist water engineering solutions We design, deliver and consult on specialised water treatment plants focusing mainly on UV, Chlorine Dioxide & Reverse Osmosis…”

Source: RevenueBase Database · checked Sep 29, 2026
25Strong evidenceFaerie Glen, South AfricaHQ checked Sep 29, 20261-106 contacts →

Strong evidence

“BTW AND Associates is a professional civil engineering consulting company with expertise in civil, structural, geotechnical and process engineering, water and wastewater…”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 106 water utility consulting firms based in South Africa

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Water utility consulting firms based in South Africa at a glance

As of Sep 29, 2026
33.5%Verified-email coverage
18.8Average contacts per company
11-50Median size (employees)
18.9%Largest-city concentration · Johannesburg
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
47
11-50
35
51-200
14
201-500
7
501-1,000
2

Email recency for this list is measured worldwide rather than for South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 106 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among water utility consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in South Africa whose own description of what they do matches “water utility consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names water utility consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among water utility consulting firms, and records with no verified work email. Companies headquartered outside South Africa are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 667 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names water utility consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many water utility consulting firms are there based in South Africa?

RevenueBase identified 106 water utility consulting firms headquartered in South Africa as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Proxa Water, headquartered in Woodmead, tops this list with the largest team on record.

Which city has the most water utility consulting firms?

Johannesburg leads with 20 headquartered companies, followed by Pretoria (10) and Durban (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 667 verified decision-maker contacts tracked across these 106 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.