Company lists · Data refreshed September 2026

Top 25 Watershed analysis consultants based in South Africa

Name: Watershed analysis consultants based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 157 companies tracked

RevenueBase identified 157 watershed analysis consultants headquartered in South Africa as of September 2026 and tracks 899 professional contacts across them, including 281 with verified work emails. Johannesburg is the largest hub.

This list covers watershed analysis consultants 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 22, 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 22, 2026 86% judged on-target in blind review

157Companies

899Contacts tracked

281Verified emails

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The 25 largest watershed analysis consultants based in South Africa

Ranked by team size

Top 25 of 157 watershed analysis consultants based in South Africa, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to watershed analysis consultants: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	ECO Elementum	Partial evidence	City Of Tshwane, South AfricaHQ checked Sep 22, 2026	51-200	68 contacts →
	Partial evidence “Established in 2013, Eco Elementum is a leading environmental and engineering consultancy.” Source: RevenueBase Database · checked Sep 22, 2026
2	GCS Water & Environmental Consultants PTY LTD	Partial evidence	Rivonia, South AfricaHQ checked Sep 22, 2026	11-50	63 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 22, 2026
3	Singo Consulting	Partial evidence	Emalahleni, South AfricaHQ checked Sep 22, 2026	51-200	44 contacts →
	Partial evidence “Singo Consulting (Pty) Ltd is a private independent research consultancy and advisory company based in eMalahleni (Witbank), holding no equity in any project and is owned by the…” Source: RevenueBase Database · checked Sep 22, 2026
4	WRP Consulting Engineers	Partial evidence	Groenkloof, South AfricaHQ checked Sep 22, 2026	11-50	37 contacts →
	Partial evidence “WRP is a proudly level 2 BB-BEE specialist engineering consultancy founded and cultivated in South Africa.” Source: RevenueBase Database · checked Sep 22, 2026
5	Umvoto	Partial evidence	Cape Town, South AfricaHQ checked Sep 22, 2026	11-50	37 contacts →
	Partial evidence “Umvoto is an earth sciences consultancy, specializing in environmental resource development, management and sustainability.” Source: RevenueBase Database · checked Sep 22, 2026
6	Groundtruth	Indirect evidence	Hilton, South AfricaHQ checked Sep 22, 2026	11-50	32 contacts →
	Indirect evidence “An award-winning multidisciplinary consulting company with over 20 years experience in water, biodiversity, and engineering across aquatic and terrestrial ecosystems.” Source: RevenueBase Database · checked Sep 22, 2026
7	Geoss South Africa	Indirect evidence	Stellenbosch, South AfricaHQ checked Sep 22, 2026	11-50	31 contacts →
	Indirect evidence “GEOSS, established on 1 March 2001, specializes in all aspects of hydrogeology, including: • Groundwater exploration (borehole siting, drilling supervision with logging, pumping…” Source: RevenueBase Database · checked Sep 22, 2026
8	Kimopax Group	Indirect evidence	Midrand, South AfricaHQ checked Sep 22, 2026	11-50	31 contacts →
	Indirect evidence “Kimopax is a company rendering specialized services in selected earth and environmental sciences, engineering disciplines and related project management functions.” Source: RevenueBase Database · checked Sep 22, 2026
9	Environmental Assurance PTY LTD	Partial evidence	Pretoria, South AfricaHQ checked Sep 22, 2026	11-50	21 contacts →
	Partial evidence “ENVASS Group of Companies is an environmental consultancy, established in 2004 in South Africa.” Source: RevenueBase Database · checked Sep 22, 2026
10	Savannah Environmental PTY LTD	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 22, 2026	11-50	21 contacts →
	Indirect evidence “Through undertaking a broad range of environmental studies, Savannah Environmental has gained extensive experience with regards to environmental legislation requirements and…” Source: RevenueBase Database · checked Sep 22, 2026
11	JMA Consulting	Indirect evidence	Delmas, South AfricaHQ checked Sep 22, 2026	11-50	21 contacts →
	Indirect evidence “INTRODUCTION JMA Consulting (Pty) Ltd is an environmental consulting company which comprises of highly trained professionals, each of whom are registered with the South African…” Source: RevenueBase Database · checked Sep 22, 2026
12	Milnex Environmental Consultants	Indirect evidence	Potchefstroom, South AfricaHQ checked Sep 22, 2026	11-50	17 contacts →
	Indirect evidence “Milnex provides comprehensive environmental services to the mining, commercial, residential and agricultural industry.” Source: RevenueBase Database · checked Sep 22, 2026
13	Coastwise Consulting	Indirect evidence	Durban, South AfricaHQ checked Sep 22, 2026	1-10	16 contacts →
	Indirect evidence “CoastWise Consulting is a specialist environmental consulting company operating in collaboration with like-minded specialists in the coastal and estuarine environments” Source: RevenueBase Database · checked Sep 22, 2026
14	Environmental Impact Management Services PTY LTD	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 22, 2026	11-50	15 contacts →
	Indirect evidence “Environmental Impact Management Services (Pty) Ltd (EIMS) was founded in 1993 and has steadily grown to be a significant player in the environmental management consulting industry…” Source: RevenueBase Database · checked Sep 22, 2026
15	Triplo4 Sustainable Solutions PTY LTD	Indirect evidence	Ballito, South AfricaHQ checked Sep 22, 2026	11-50	14 contacts →
	Indirect evidence “Triplo 4 specialises in solving environmental challenges and improving environmental performance in a sustainable manner.” Source: RevenueBase Database · checked Sep 22, 2026
16	Guillaume NEL Environmental Consultants Gnec	Indirect evidence	Paarl, South AfricaHQ checked Sep 22, 2026	11-50	14 contacts →
	Indirect evidence “We specialize in Environmental Impact Assessments, Basic Assessment Reports, Environmental Control Officers, Water Use Licenses Application, Waste Management and Mining…” Source: RevenueBase Database · checked Sep 22, 2026
17	Nsovo Environmental Consulting	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 22, 2026	11-50	13 contacts →
	Indirect evidence “Our specialist area of focus is the assessment of multifaceted projects, including the establishment of linear developments, bulk infrastructure, power generation and…” Source: RevenueBase Database · checked Sep 22, 2026
18	Chand Consultants	Partial evidence	Cape Town, South AfricaHQ checked Sep 22, 2026	1-10	12 contacts →
	Partial evidence “Chand Environmental Consultants is located in the dynamic city of Cape Town, South Africa providing environmental consultancy services to our clients for over 24 years.” Source: RevenueBase Database · checked Sep 22, 2026
19	Sillito Environmental Consulting PTY LTD	Indirect evidence	Cape Town, South AfricaHQ checked Sep 22, 2026	11-50	10 contacts →
	Indirect evidence “Sillito Environmental Consulting provides expertise in the areas of environmental authorisation, licencing, monitoring and auditing, contamination assessment, development of…” Source: RevenueBase Database · checked Sep 22, 2026
20	Letsolo Water And Environmental Services CC	Indirect evidence	Pretoria, South AfricaHQ checked Sep 22, 2026	1-10	9 contacts →
	Indirect evidence “Letsolo Water and Environmental Services is a proudly South African company dedicated to delivering sustainable, compliant, and innovative solutions across the water and…” Source: RevenueBase Database · checked Sep 22, 2026
21	Aqua Earth	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 22, 2026	11-50	8 contacts →
	Indirect evidence “Aqua Earth celebrates more than 20 years of operation and prides itself on having a dynamic team of specialists in Hydrogeology, also identified as Groundwater, as well as…” Source: RevenueBase Database · checked Sep 22, 2026
22	Confluent Environmental	Indirect evidence	George, South AfricaHQ checked Sep 22, 2026	1-10	7 contacts →
	Indirect evidence “OUR SERVICES We provide aquatic consulting and research services to the agricultural, industrial, mining, tourism and private sectors in South Africa and the rest of Africa and…” Source: RevenueBase Database · checked Sep 22, 2026
23	Ukhozi Environmentalists PTY LTD	Indirect evidence	Centurion, South AfricaHQ checked Sep 22, 2026	1-10	6 contacts →
	Indirect evidence “The identification, assessment and coordination of participative and sustainable environmental solutions have developed since 1996 as a focal mission of KSE and its sister company…” Source: RevenueBase Database · checked Sep 22, 2026
24	Geostratum Water Management Consulting	Indirect evidence	Bethlehem, South AfricaHQ checked Sep 22, 2026	1-10	5 contacts →
	Indirect evidence “Geostratum Water Management Consulting is a company based out of South Africa” Source: RevenueBase Database · checked Sep 22, 2026
25	Greenfield Sustainable Group	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 22, 2026	11-50	5 contacts →
	Indirect evidence “Greenfield denotes pristine resources with untapped potential, operating at peak capacity.” Source: RevenueBase Database · checked Sep 22, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: watershed analysis consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names watershed analysis consultants.
Partial evidence: Its own public description names part of watershed analysis consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name watershed analysis consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 157 watershed analysis consultants based in South Africa

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Watershed analysis consultants based in South Africa at a glance

As of Sep 22, 2026

31.3%Verified-email coverage

5.7Average contacts per company

1-10Median size (employees)

13.4%Largest-city concentration · Johannesburg

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

117

11-50

51-200

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 157 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 watershed analysis consultants, 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 “watershed analysis consultants”. 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 watershed analysis consultants), 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 watershed analysis consultants, 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, 281 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 22, 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 watershed analysis consultants, 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 watershed analysis consultants are there based in South Africa?

RevenueBase identified 157 watershed analysis consultants 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?

ECO Elementum, headquartered in City Of Tshwane, tops this list with the largest team on record.

Which city has the most watershed analysis consultants?

Johannesburg leads with 21 headquartered companies, followed by Pretoria (20) and Cape Town (11).

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 281 verified decision-maker contacts tracked across these 157 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 22, 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.