Company lists · Data refreshed September 2026

Top 25 Hydrogeological consulting firms based in South Africa

Name: Hydrogeological consulting firms based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 3, 2026 246 companies tracked

RevenueBase identified 246 company matches for hydrogeological consulting firms associated with South Africa as of September 2026 and tracks 2,121 professional contacts across them, including 747 with verified work emails and 77 with mobile numbers. Johannesburg is the largest hub.

This list covers company matches for hydrogeological consulting firms associated with South Africa, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 3, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 3, 2026 How this list was built

246Companies

2,121Contacts tracked

747Verified emails

77Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest hydrogeological consulting firms based in South Africa

Ranked by team size

Top 25 of 246 company matches for hydrogeological consulting firms based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 3, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Knight Piesold Southern Africa	Exact match	Sandton, South AfricaHQ recorded Sep 3, 2026	201-500	191 contacts →
	Exact match “Knight Piésold is a global consulting firm that provides specialised services to the mining, power, water resources and infrastructure industries.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
2	IX Engineers PTY LTD	Exact match	City Of Tshwane, South AfricaHQ recorded Sep 3, 2026	201-500	134 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
3	Nyeleti Consulting PTY LTD	Exact match	Lynnwood, South AfricaHQ recorded Sep 3, 2026	51-200	93 contacts →
	Exact match “Welcome to Nyeleti Consulting!” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
4	ECO Elementum	Exact match	City Of Tshwane, South AfricaHQ recorded Sep 3, 2026	51-200	68 contacts →
	Exact match “Established in 2013, Eco Elementum is a leading environmental and engineering consultancy.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
5	VBKOM	Exact match	Centurion, South AfricaHQ recorded Sep 3, 2026	11-50	59 contacts →
	Exact match “At VBKOM, we aim to support organizations within the mining and capital intensive industries to make the best possible decisions through our leadership, expertise and innovative…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
6	Geosure PTY LTD	Exact match	Durban, South AfricaHQ recorded Sep 3, 2026	51-200	57 contacts →
	Exact match “Since the company's inception in 1992, Geosure has established a formidable reputation in Southern African Geotechnics.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
7	ARQ Consulting Engineers PTY LTD	Exact match	Pretoria, South AfricaHQ recorded Sep 3, 2026	11-50	52 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
8	GPT	Exact match	Pretoria, South AfricaHQ recorded Sep 3, 2026	11-50	50 contacts →
	Exact match “Since our inception, GPT has focused on delivering tailor-made environmental services, that go beyond the requirements.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
9	Epoch Resources PTY LTD	Exact match	Bedfordview, South AfricaHQ recorded Sep 3, 2026	51-200	49 contacts →
	Exact match “Epoch Resources (Pty) Ltd is a specialist engineering consultancy focused on mine residue and tailings management.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
10	Singo Consulting	Exact match	Emalahleni, South AfricaHQ recorded Sep 3, 2026	51-200	43 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
11	NWE Consulting Engineers	Exact match	Cape Town, South AfricaHQ recorded Sep 3, 2026	11-50	37 contacts →
	Exact match “NWE Consulting Engineers is a multi-disciplinary consulting engineering company with extensive experience in the engineering disciplines of civil, structural, roads and…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
12	WRP Consulting Engineers	Exact match	Groenkloof, South AfricaHQ recorded Sep 3, 2026	11-50	37 contacts →
	Exact match “WRP is a proudly level 2 BB-BEE specialist engineering consultancy founded and cultivated in South Africa.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
13	Umvoto	Exact match	Muizenberg Cape Town, South AfricaHQ recorded Sep 3, 2026	11-50	37 contacts →
	Exact match “Umvoto is an earth sciences consultancy, specializing in environmental resource development, management and sustainability.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
14	Zitholele Consulting	Exact match	Midrand, South AfricaHQ recorded Sep 3, 2026	11-50	33 contacts →
	Exact match “ZITHOLELE CONSULTING, offers Specialist Consulting Services in the fields of Engineering, Environmental Management, Waste Management and Strategic Communication.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
15	Peragage	Exact match	City Of Tshwane, South AfricaHQ recorded Sep 3, 2026	11-50	25 contacts →
	Exact match “PeraGage is a Leading, Trusted and the Preferred specialist firm of geo-consultants including hydrogeologists, geotechnical engineers and engineering geologists operating…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
16	Pro-Plan Consulting Engineers	Exact match	Noordheuwel, South AfricaHQ recorded Sep 3, 2026	51-200	24 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
17	JMA Consulting	Exact match	Delmas, South AfricaHQ recorded Sep 3, 2026	11-50	21 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
18	Rafuni PTY LTD	Exact match	Johannesburg, South AfricaHQ recorded Sep 3, 2026	11-50	21 contacts →
	Exact match “Rafuni offers Geotechnical, Geological and Environmental Consulting Services.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
19	Wec-Consult PTY LTD	Exact match	Stellenbosch, South AfricaHQ recorded Sep 3, 2026	11-50	16 contacts →
	Exact match “WEC-Consult is a South African-owned consulting engineering firm headquartered in Stellenbosch, Western Cape, with the capacity to serve projects across the country and the…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
20	E-Tek Consulting	Exact match	Potchefstroom, South AfricaHQ recorded Sep 3, 2026	11-50	15 contacts →
	Exact match “E-TEK Consulting was established in 2007 and consists of a team of dedicated specialists focusing on environmental engineering, environmental management and closure liability…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
21	Cyclone Engineering Project	Exact match	Mogale City, South AfricaHQ recorded Sep 3, 2026	201-500	15 contacts →
	Exact match “With 15 years of industry experience, Cyclone Engineering Project has established itself as a leading company in the field of engineering services.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
22	Guillaume NEL Environmental Consultants Gnec	Exact match	Paarl, South AfricaHQ recorded Sep 3, 2026	11-50	14 contacts →
	Exact match “We specialize in Environmental Impact Assessments, Basic Assessment Reports, Environmental Control Officers, Water Use Licenses Application, Waste Management and Mining…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
23	Isithelo	Exact match	Sandton, South AfricaHQ recorded Sep 3, 2026	11-50	14 contacts →
	Exact match “Isithelo Background : Previously the technical department of Anglo American’s corporate office, the consulting team have combined their multi-discipinary engineering, mining…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
24	Hidro-Tech Systems	Exact match	Cape Town, South AfricaHQ recorded Sep 3, 2026	11-50	14 contacts →
	Exact match “Hidro-Tech is a leading water and wastewater treatment engineering firm.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
25	Arquero Technical Support	Exact match	Johannesburg, South AfricaHQ recorded Sep 3, 2026	11-50	11 contacts →
	Exact match “ARQUERO® provides professional engineering consulting services for HVAC Design, Plumbing & Drainage, Electrical, Fire Protection Systems and Water & Wastewater Treatment Systems…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “hydrogeological consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 246 hydrogeological consulting firms based in South Africa

See the full list, filter by size, metro and specialty, and access 747 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Hydrogeological consulting firms based in South Africa at a glance

As of Sep 3, 2026

35.2%Verified-email coverage

3.6%Mobile-number coverage

8.6Average contacts per company

1-10Median size (employees)

13.0%Largest-city concentration · Johannesburg

Sep 3, 2026Page data refreshed

Companies by employee count

1-10

157

11-50

51-200

201-500

1,001-5,000

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

6731–60

42561–90

25390–180

2180+

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with South Africa whose business descriptions match “hydrogeological consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 747 professional contacts with verified work emails across the full matched dataset. 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 3, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Hydrogeological consulting firms by metro

Hydrogeological consulting firms in Johannesburg32

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “hydrogeological consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hydrogeological consulting firms are there based in South Africa?

RevenueBase identified 246 company matches for hydrogeological consulting firms associated with South Africa as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Knight Piesold Southern Africa tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most hydrogeological consulting firms?

Johannesburg leads with 32 company records, followed by Pretoria (23) and Cape Town (15).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 747 professional contacts with verified work emails tracked across these 246 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 3, 2026.

Ready to reach these companies? Verified emails and direct dials for all 246 hydrogeological consulting firms based in South Africa. Start with a free account, no credit card.

Download this list →

Related lists

Hydrogeological consulting firms by geography

Browse the directory

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 SmartSearch, 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.