Company lists · Data refreshed September 2026

Top 25 Geophysical consulting firms based in South Africa

Name: Geophysical 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 28, 2026 253 companies tracked

RevenueBase identified 253 geophysical consulting firms headquartered in South Africa as of September 2026 and tracks 2,609 professional contacts across them, including 945 with verified work emails. Johannesburg is the largest hub.

This list covers geophysical 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 28, 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 28, 2026 86% judged on-target in blind review

253Companies

2,609Contacts tracked

945Verified emails

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The 25 largest geophysical consulting firms based in South Africa

Ranked by team size

Top 25 of 253 geophysical consulting firms based in South Africa, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to geophysical 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Jones & Wagener PTY LTD	Partial evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	51-200	228 contacts →
	Partial evidence “Jones & Wagener is a specialist firm of consulting engineers and scientists based in South Africa.” Source: RevenueBase Database · checked Sep 28, 2026
2	Knight Piesold Southern Africa	Partial evidence	Sandton, South AfricaHQ checked Sep 28, 2026	201-500	193 contacts →
	Partial 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 28, 2026
3	The MSA Group	Partial evidence	Victory Park, South AfricaHQ checked Sep 28, 2026	51-200	110 contacts →
	Partial evidence “The MSA Group is a leading provider of exploration, geology, mineral resource and reserve estimation, mining and environmental consulting services to the mining industry.” Source: RevenueBase Database · checked Sep 28, 2026
4	Semane Engineering Solutions PTY LTD	Partial evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	501-1,000	71 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 28, 2026
5	Geogroup	Indirect evidence	Sunrella, South AfricaHQ checked Sep 28, 2026	201-500	68 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
6	VBKOM	Indirect evidence	Centurion, South AfricaHQ checked Sep 28, 2026	11-50	60 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
7	Geosure PTY LTD	Indirect evidence	Durban, South AfricaHQ checked Sep 28, 2026	51-200	57 contacts →
	Indirect evidence “Since the company's inception in 1992, Geosure has established a formidable reputation in Southern African Geotechnics.” Source: RevenueBase Database · checked Sep 28, 2026
8	Digital Surveying	Partial evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	51-200	54 contacts →
	Partial evidence “Digital Surveying is a specialist Directional, Geophysical, Geotechnical & Hydrogeological logging company servicing the mining, exploration, and civil engineering industries.” Source: RevenueBase Database · checked Sep 28, 2026
9	ARQ Consulting Engineers PTY LTD	Partial evidence	Pretoria, South AfricaHQ checked Sep 28, 2026	11-50	52 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 28, 2026
10	Wireline Africa	Indirect evidence	Mooi Nooi, South AfricaHQ checked Sep 28, 2026	51-200	52 contacts →
	Indirect evidence “Wireline Africa is an engineering company that focuses on supplying the local and international mining industry with products and services.” Source: RevenueBase Database · checked Sep 28, 2026
11	Open House Management Solutions	Indirect evidence	Potchefstroom, South AfricaHQ checked Sep 28, 2026	11-50	47 contacts →
	Indirect evidence “Open House Management Solutions is a South-African based, Geotechnical Engineering and Seismological services provider.” Source: RevenueBase Database · checked Sep 28, 2026
12	Singo Consulting	Partial evidence	Emalahleni, South AfricaHQ checked Sep 28, 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 28, 2026
13	A & B Global Mining	Indirect evidence	Centurion, South AfricaHQ checked Sep 28, 2026	51-200	42 contacts →
	Indirect evidence “ABGM is a leading niche mining consultancy and provides a world-class service to our clients.” Source: RevenueBase Database · checked Sep 28, 2026
14	Franki Africa PTY LTD	Indirect evidence	Ottery, South AfricaHQ checked Sep 28, 2026	51-200	37 contacts →
	Indirect evidence “Franki is the oldest and most established specialist geotechnical contractor in Sub-Saharan Africa.” Source: RevenueBase Database · checked Sep 28, 2026
15	Umvoto	Indirect evidence	Cape Town, South AfricaHQ checked Sep 28, 2026	11-50	37 contacts →
	Indirect evidence “Umvoto is an earth sciences consultancy, specializing in environmental resource development, management and sustainability.” Source: RevenueBase Database · checked Sep 28, 2026
16	LSL Consulting	Partial evidence	Bryanston, South AfricaHQ checked Sep 28, 2026	51-200	36 contacts →
	Partial evidence “LSL Consulting (Pty) Ltd is a specialist Consulting Engineers and Project Manager company in the materials handling, process, steel plants, synfuel and power generating industries.” Source: RevenueBase Database · checked Sep 28, 2026
17	Premier Mapping Africa	Indirect evidence	Cullinan, South AfricaHQ checked Sep 28, 2026	51-200	34 contacts →
	Indirect evidence “Our scope now includes the engineering, environmental and exploration sectors.” Source: RevenueBase Database · checked Sep 28, 2026
18	Geoss South Africa	Indirect evidence	Stellenbosch, South AfricaHQ checked Sep 28, 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 28, 2026
19	Kimopax Group	Indirect evidence	Midrand, South AfricaHQ checked Sep 28, 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 28, 2026
20	Venn Milford Incorporated	Partial evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	51-200	30 contacts →
	Partial evidence “Since 1947, we have built a reputation as cutting-edge visionaries who deliver quality multi-disciplinary projects and consulting services to clients in the mining, engineering…” Source: RevenueBase Database · checked Sep 28, 2026
21	Geotheta Consulting Engineers And Scientists	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	51-200	28 contacts →
	Indirect evidence “Tailings management today requires more than engineering excellence, it demands independent oversight, structured governance, and defensible risk frameworks.” Source: RevenueBase Database · checked Sep 28, 2026
22	Sound Mining	Indirect evidence	Edenburg, South AfricaHQ checked Sep 28, 2026	11-50	26 contacts →
	Indirect evidence “Founded in 2004, Sound Mining is an international mining consultancy that provides services to the minerals industry across six continents.” Source: RevenueBase Database · checked Sep 28, 2026
23	Peragage	Indirect evidence	City Of Tshwane, South AfricaHQ checked Sep 28, 2026	11-50	25 contacts →
	Indirect evidence “PeraGage is a Leading, Trusted and the Preferred specialist firm of geo-consultants including hydrogeologists, geotechnical engineers and engineering geologists operating…” Source: RevenueBase Database · checked Sep 28, 2026
24	A19 Consulting Engineers	Indirect evidence	Cape Town, South AfricaHQ checked Sep 28, 2026	11-50	23 contacts →
	Indirect evidence “Over the past 20+ years we have successfully delivered services to clients in a wide variety of residential, commercial, and industrial projects with scopes ranging from small to…” Source: RevenueBase Database · checked Sep 28, 2026
25	Rafuni PTY LTD	Partial evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	11-50	22 contacts →
	Partial evidence “Rafuni offers Geotechnical, Geological and Environmental Consulting Services.” Source: RevenueBase Database · checked Sep 28, 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: geophysical consulting firms. 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 geophysical consulting firms.
Partial evidence: Its own public description names part of geophysical consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name geophysical consulting firms. 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 253 geophysical consulting firms based in South Africa

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Geophysical consulting firms based in South Africa at a glance

As of Sep 28, 2026

36.2%Verified-email coverage

10.3Average contacts per company

1-10Median size (employees)

17.4%Largest-city concentration · Johannesburg

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

150

11-50

51-200

201-500

501-1,000

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 253 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 geophysical 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 “geophysical 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 geophysical 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 geophysical 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, 945 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 28, 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.

Geophysical consulting firms by metro

Geophysical consulting firms in Johannesburg44

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 geophysical 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 geophysical consulting firms are there based in South Africa?

RevenueBase identified 253 geophysical 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?

Jones & Wagener PTY LTD, headquartered in Johannesburg, tops this list with the largest team on record.

Which city has the most geophysical consulting firms?

Johannesburg leads with 44 headquartered companies, followed by Cape Town (23) and Pretoria (20).

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 945 verified decision-maker contacts tracked across these 253 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 28, 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.