Company lists · Data refreshed September 2026

Top 25 Water resources engineering firms based in South Africa

RevenueBase identified 328 water resources engineering firms headquartered in South Africa as of September 2026 and tracks 5,652 professional contacts across them, including 2,138 with verified work emails. Johannesburg is the largest hub.

This list covers water resources engineering 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 19, 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 19, 2026 86% judged on-target in blind review
328Companies
5,652Contacts tracked
2,138Verified emails
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The 25 largest water resources engineering firms based in South Africa

Ranked by team size
Top 25 of 328 water resources engineering firms based in South Africa, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to water resources engineering 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 evidenceJohannesburg, South AfricaHQ checked Sep 19, 2026501-1,000635 contacts →

Partial evidence

“We are one of the world’s leading professional services firms, uniting our engineering, advisory and science-based expertise to shape communities to advance humanity.”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceJohannesburg, South AfricaHQ checked Sep 19, 202651-200228 contacts →

Indirect evidence

“Jones & Wagener is a specialist firm of consulting engineers and scientists based in South Africa.”

Source: RevenueBase Database · checked Sep 19, 2026
3Partial evidenceJohannesburg, South AfricaHQ checked Sep 19, 2026201-500221 contacts →

Partial evidence

“JG Afrika, a leading multi-disciplinary engineering and environmental consultancy in South Africa, provides civil and structural engineering and environmental consulting services…”

Source: RevenueBase Database · checked Sep 19, 2026
4Strong evidenceDurban, South AfricaHQ checked Sep 19, 202651-200202 contacts →

Strong 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 19, 2026
5Strong evidenceSandton, South AfricaHQ checked Sep 19, 2026201-500193 contacts →

Strong evidence

“Knight Piésold is a global consulting firm that provides specialised services to the mining, power, water resources and infrastructure industries.”

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceUmhlanga Rocks, South AfricaHQ checked Sep 19, 202651-200163 contacts →

Indirect evidence

“SiVEST is a South African based international company founded in 1952, with offices established in Durban, Johannesburg, Pietermaritzburg, Richards Bay, East London, Port Louis…”

Source: RevenueBase Database · checked Sep 19, 2026
7Strong evidenceCity Of Tshwane, South AfricaHQ checked Sep 19, 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 19, 2026
8Partial evidenceCape Town, South AfricaHQ checked Sep 19, 202651-200125 contacts →

Partial evidence

“HHO is a world-class infrastructure engineering company with a wealth of experience and an innovative approach that delivers meticulously thought-through projects.”

Source: RevenueBase Database · checked Sep 19, 2026
9Partial evidenceDurbanville, South AfricaHQ checked Sep 19, 202611-50111 contacts →

Partial evidence

“Element Consulting Engineers is a well-established consulting engineering company with its head office in Durbanville, Western Cape, and additional branched located nationwide.”

Source: RevenueBase Database · checked Sep 19, 2026
10Partial evidenceCity Of Tshwane, South AfricaHQ checked Sep 19, 202651-200106 contacts →

Partial evidence

“We are a team of Professional Engineers, Technical specialists and Project Managers organised to provide specialized consulting and management services within the Engineering and…”

Source: RevenueBase Database · checked Sep 19, 2026
11Partial evidenceMidrand, South AfricaHQ checked Sep 19, 202651-200102 contacts →

Partial evidence

“Consulting Engineering Company situated in Midrand, Gauteng specializing in civil engineering design, supervision, project management, land use, town planning, quantity surveying…”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceJohannesburg, South AfricaHQ checked Sep 19, 2026201-50099 contacts →

Indirect evidence

“At Henry Fagan Consulting Engineers & Project Managers, we are a 100% black-owned, design-focused firm with over 40 years of experience delivering innovative, sustainable, and…”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidencePretoria, South AfricaHQ checked Sep 19, 2026201-50085 contacts →

Indirect evidence

“As a V3 Consulting Engineers’ family, we pride ourselves in providing professional services to our wide client base.”

Source: RevenueBase Database · checked Sep 19, 2026
14Partial evidencePretoria, South AfricaHQ checked Sep 19, 202651-20085 contacts →

Partial evidence

“KBK ENGINEERS Pty Ltd is a civil engineering company based out of South Africa.”

Source: RevenueBase Database · checked Sep 19, 2026
15Strong evidenceDurbanville, South AfricaHQ checked Sep 19, 2026201-50083 contacts →

Strong evidence

“We offer expertise over the entire spectrum of civil engineering construction with it’s main focus on construction of water treatment plants, waste water treatment plants…”

Source: RevenueBase Database · checked Sep 19, 2026
16Partial evidenceJohannesburg, South AfricaHQ checked Sep 19, 2026501-1,00071 contacts →

Partial evidence

“Semane Engineering Solutions (Pty) Ltd is an independent South African multi-disciplinary consulting company that provides project management and engineering solutions in…”

Source: RevenueBase Database · checked Sep 19, 2026
17Partial evidenceEast London, South AfricaHQ checked Sep 19, 202651-20069 contacts →

Partial evidence

“Lukhozi Consulting Engineers (Pty) Ltd is a Level 1 B-BBEE contributor and a leading multi-disciplinary professional engineering consultancy that offers a professional service…”

Source: RevenueBase Database · checked Sep 19, 2026
18Partial evidenceCity Of Tshwane, South AfricaHQ checked Sep 19, 202651-20068 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
19Partial evidenceRivonia, South AfricaHQ checked Sep 19, 202611-5063 contacts →

Partial evidence

“Established in 1987, GCS (Pty) Ltd is an independent consultancy offering a range of professional services within the fields of water, environmental and earth sciences.”

Source: RevenueBase Database · checked Sep 19, 2026
20Partial evidenceThe Msunduzi, South AfricaHQ checked Sep 19, 202611-5057 contacts →

Partial evidence

“Makhaotse, Narasimulu and Associates (Pty) Ltd (MNA) is a Professional Services Provider in the fields of Civil Engineering Consulting and Project Management.”

Source: RevenueBase Database · checked Sep 19, 2026
21Partial evidenceJohannesburg, South AfricaHQ checked Sep 19, 202651-20057 contacts →

Partial evidence

“Ingerop South Africa is a multidisciplinary consulting engineering and project management company which was established in 1957.”

Source: RevenueBase Database · checked Sep 19, 2026
22Partial evidenceMidrand, South AfricaHQ checked Sep 19, 2026201-50056 contacts →

Partial evidence

“AM Consulting Engineers (Pty) Ltd (AMCE) provides professional engineering and consulting services to the public and private infrastructure sector.”

Source: RevenueBase Database · checked Sep 19, 2026
23Partial evidencePretoria, South AfricaHQ checked Sep 19, 202611-5052 contacts →

Partial evidence

“Our professional services include Structural, Civil, Traffic, Transportation Engineering, Town Planning as well as Project Management and Delivery in the following disciplines…”

Source: RevenueBase Database · checked Sep 19, 2026
24Partial evidencePretoria, South AfricaHQ checked Sep 19, 202611-5052 contacts →

Partial evidence

“ARQ is an award winning consulting engineering firm with a reputation as being a leader in South Africa in our specialist fields of dams & hydro, geotech and bridges.”

Source: RevenueBase Database · checked Sep 19, 2026
25Partial evidencePretoria, South AfricaHQ checked Sep 19, 202611-5042 contacts →

Partial 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 19, 2026

Showing 25 of 328 water resources engineering firms based in South Africa

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Water resources engineering firms based in South Africa at a glance

As of Sep 19, 2026
37.8%Verified-email coverage
17.2Average contacts per company
11-50Median size (employees)
11.9%Largest-city concentration · Johannesburg
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
161
11-50
121
51-200
29
201-500
15
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 328 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 resources engineering 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 resources engineering 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 resources engineering 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 resources engineering 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, 2,138 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 19, 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.

Water resources engineering firms by metro

  • Water resources engineering firms in Johannesburg39
  • Water resources engineering firms in Pretoria30

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 resources engineering 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 resources engineering firms are there based in South Africa?

RevenueBase identified 328 water resources engineering 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?

WSP In Africa, headquartered in Johannesburg, tops this list with the largest team on record.

Which city has the most water resources engineering firms?

Johannesburg leads with 39 headquartered companies, followed by Pretoria (30) and Cape Town (18).

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 2,138 verified decision-maker contacts tracked across these 328 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 19, 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.