Company lists · Data refreshed September 2026

Top 25 Scientific consulting firms based in South Africa

Name: Scientific 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 14, 2026 317 companies tracked

RevenueBase identified 317 scientific consulting firms headquartered in South Africa as of September 2026 and tracks 2,535 professional contacts across them, including 998 with verified work emails. Johannesburg is the largest hub.

This list covers scientific 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 14, 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 14, 2026 86% judged on-target in blind review

317Companies

2,535Contacts tracked

998Verified emails

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The 25 largest scientific consulting firms based in South Africa

Ranked by team size

Top 25 of 317 scientific consulting firms based in South Africa, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to scientific 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 14, 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 14, 2026
2	Knight Piesold Southern Africa	Partial evidence	Sandton, South AfricaHQ checked Sep 14, 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 14, 2026
3	Sivest	Indirect evidence	Umhlanga Rocks, South AfricaHQ checked Sep 14, 2026	51-200	163 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 14, 2026
4	The MSA Group	Partial evidence	Victory Park, South AfricaHQ checked Sep 14, 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 14, 2026
5	Insight Actuaries & Consultants	Partial evidence	Midrand, South AfricaHQ checked Sep 14, 2026	51-200	97 contacts →
	Partial evidence “Insight Actuaries & Consultants was formed in 2014 following the merger of the Health Monitor Company, CareGauge and Lighthouse Actuarial Consulting.” Source: RevenueBase Database · checked Sep 14, 2026
6	ECO Elementum	Indirect evidence	City Of Tshwane, South AfricaHQ checked Sep 14, 2026	51-200	68 contacts →
	Indirect evidence “Established in 2013, Eco Elementum is a leading environmental and engineering consultancy.” Source: RevenueBase Database · checked Sep 14, 2026
7	GCS Water & Environmental Consultants PTY LTD	Indirect evidence	Rivonia, South AfricaHQ checked Sep 14, 2026	11-50	63 contacts →
	Indirect 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 14, 2026
8	VBKOM	Indirect evidence	Centurion, South AfricaHQ checked Sep 14, 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 14, 2026
9	Fraser Mcgill	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 14, 2026	51-200	56 contacts →
	Indirect evidence “At Fraser McGill we are 100% mining sector focused and with locations in Johannesburg South Africa, Perth Australia and Gaborone Botswana we are active in Southern Africa and the…” Source: RevenueBase Database · checked Sep 14, 2026
10	Singo Consulting	Partial evidence	Emalahleni, South AfricaHQ checked Sep 14, 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 14, 2026
11	A & B Global Mining	Indirect evidence	Centurion, South AfricaHQ checked Sep 14, 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 14, 2026
12	Zitholele Consulting	Partial evidence	Midrand, South AfricaHQ checked Sep 14, 2026	11-50	33 contacts →
	Partial evidence “ZITHOLELE CONSULTING, offers Specialist Consulting Services in the fields of Engineering, Environmental Management, Waste Management and Strategic Communication.” Source: RevenueBase Database · checked Sep 14, 2026
13	Groundtruth	Partial evidence	Hilton, South AfricaHQ checked Sep 14, 2026	11-50	32 contacts →
	Partial 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 14, 2026
14	Venn Milford Incorporated	Partial evidence	Johannesburg, South AfricaHQ checked Sep 14, 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 14, 2026
15	Geotheta Consulting Engineers And Scientists	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 14, 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 14, 2026
16	Environmental Assurance PTY LTD	Indirect evidence	Pretoria, South AfricaHQ checked Sep 14, 2026	11-50	21 contacts →
	Indirect evidence “ENVASS Group of Companies is an environmental consultancy, established in 2004 in South Africa.” Source: RevenueBase Database · checked Sep 14, 2026
17	Savannah Environmental PTY LTD	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 14, 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 14, 2026
18	JMA Consulting	Partial evidence	Delmas, South AfricaHQ checked Sep 14, 2026	11-50	21 contacts →
	Partial 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 14, 2026
19	Absolute Science	Partial evidence	Pretoria, South AfricaHQ checked Sep 14, 2026	11-50	19 contacts →
	Partial evidence “Absolute Science is an accurate and reliable source of independent analysis, research and consulting services to the agricultural industry.” Source: RevenueBase Database · checked Sep 14, 2026
20	Nadeson Consulting Services	Partial evidence	Cape Town, South AfricaHQ checked Sep 14, 2026	11-50	18 contacts →
	Partial evidence “Nadeson Consulting Services is a multi-disciplinary and advisory engineering consultancy with its headquarters in Cape Town, South Africa.” Source: RevenueBase Database · checked Sep 14, 2026
21	Luhlaza Advisory And Consulting PTY LTD	Partial evidence	Randburg, South AfricaHQ checked Sep 14, 2026	11-50	18 contacts →
	Partial evidence “Luhlaza Advisory and Consulting (Pty) Ltd (Luhlaza) is a leading multi-disciplinary consultancy, providing a comprehensive and diverse set of professional services to a broad…” Source: RevenueBase Database · checked Sep 14, 2026
22	Milnex Environmental Consultants	Indirect evidence	Potchefstroom, South AfricaHQ checked Sep 14, 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 14, 2026
23	E-Tek Consulting	Partial evidence	Potchefstroom, South AfricaHQ checked Sep 14, 2026	11-50	15 contacts →
	Partial evidence “E-TEK Consulting was established in 2007 and consists of a team of dedicated specialists focusing on environmental engineering, environmental management and closure liability…” Source: RevenueBase Database · checked Sep 14, 2026
24	Guillaume NEL Environmental Consultants Gnec	Indirect evidence	Paarl, South AfricaHQ checked Sep 14, 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 14, 2026
25	Isithelo	Partial evidence	Johannesburg, South AfricaHQ checked Sep 14, 2026	11-50	14 contacts →
	Partial evidence “Isithelo Background : Previously the technical department of Anglo American’s corporate office, the consulting team have combined their multi-discipinary engineering, mining…” Source: RevenueBase Database · checked Sep 14, 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: scientific 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 scientific consulting firms.
Partial evidence: Its own public description names part of scientific consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name scientific 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 317 scientific consulting firms based in South Africa

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Scientific consulting firms based in South Africa at a glance

As of Sep 14, 2026

39.4%Verified-email coverage

8.0Average contacts per company

1-10Median size (employees)

16.7%Largest-city concentration · Johannesburg

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

218

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 317 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 scientific 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 “scientific 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 scientific 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 scientific 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, 998 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 14, 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.

Scientific consulting firms by metro

Scientific consulting firms in Johannesburg53
Scientific consulting firms in Pretoria37
Scientific consulting firms in Cape Town27

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 scientific 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 scientific consulting firms are there based in South Africa?

RevenueBase identified 317 scientific 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 scientific consulting firms?

Johannesburg leads with 53 headquartered companies, followed by Pretoria (37) and Cape Town (27).

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 998 verified decision-maker contacts tracked across these 317 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 14, 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.