Company lists · Data refreshed September 2026

Top 25 Geotechnical engineering firms based in South Africa

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

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 348 companies tracked

RevenueBase identified 348 geotechnical engineering firms headquartered in South Africa as of September 2026 and tracks 3,917 professional contacts across them, including 1,219 with verified work emails. Johannesburg is the largest hub.

This list covers geotechnical 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 16, 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 16, 2026 86% judged on-target in blind review

348Companies

3,917Contacts tracked

1,219Verified emails

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The 25 largest geotechnical engineering firms based in South Africa

Ranked by team size

Top 25 of 348 geotechnical engineering firms based in South Africa, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to geotechnical 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	BVI Consulting Engineers - BVI Group	Partial evidence	Pretoria, South AfricaHQ checked Sep 16, 2026	201-500	461 contacts →
	Partial evidence “BVi is a Multi-Disciplinary Engineering Firm.” Source: RevenueBase Database · checked Sep 16, 2026
2	Jones & Wagener PTY LTD	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 16, 2026	51-200	228 contacts →
	Indirect evidence “Jones & Wagener is a specialist firm of consulting engineers and scientists based in South Africa.” Source: RevenueBase Database · checked Sep 16, 2026
3	Sutherland	Partial evidence	Cape Town, South AfricaHQ checked Sep 16, 2026	51-200	102 contacts →
	Partial evidence “Sutherland is a multi-disciplinary consulting engineering company with offices in Cape Town, Johannesburg, Durban, and Nairobi, Multidisciplinary sub-disciplines include…” Source: RevenueBase Database · checked Sep 16, 2026
4	Ilifa Africa Engineers PTY LTD	Partial evidence	Pretoria, South AfricaHQ checked Sep 16, 2026	51-200	72 contacts →
	Partial evidence “Ilifa Africa Engineers is an engineering firm specialising in civil and structural engineering as well as contract and project management.” Source: RevenueBase Database · checked Sep 16, 2026
5	Semane Engineering Solutions PTY LTD	Partial evidence	Johannesburg, South AfricaHQ checked Sep 16, 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 16, 2026
6	Lukhozi Consulting Engineers PTY LTD	Partial evidence	East London, South AfricaHQ checked Sep 16, 2026	51-200	69 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 16, 2026
7	Geogroup	Indirect evidence	Sunrella, South AfricaHQ checked Sep 16, 2026	201-500	68 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026
8	GAST	Indirect evidence	Pretoria, South AfricaHQ checked Sep 16, 2026	201-500	63 contacts →
	Indirect evidence “GAST, founded in 1961 had its roots in the chemical industry.” Source: RevenueBase Database · checked Sep 16, 2026
9	CSV Construction PTY LTD	Partial evidence	Cape Town, South AfricaHQ checked Sep 16, 2026	201-500	60 contacts →
	Partial evidence “CSV Construction (Pty) Ltd is a leading diversified Civil Engineering Company with a track record of over 30 years of delivering quality works to clients in Civil and Concrete…” Source: RevenueBase Database · checked Sep 16, 2026
10	VBKOM	Indirect evidence	Centurion, South AfricaHQ checked Sep 16, 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 16, 2026
11	G4 Mining And Civils PTY LTD	Indirect evidence	Benoni, South AfricaHQ checked Sep 16, 2026	51-200	58 contacts →
	Indirect evidence “Based in Benoni, Gauteng, G4 Mining and Civils (Pty) Ltd is a premier South African construction company specializing in the mining infrastructure sector.” Source: RevenueBase Database · checked Sep 16, 2026
12	Geosure PTY LTD	Partial evidence	Durban, South AfricaHQ checked Sep 16, 2026	51-200	57 contacts →
	Partial evidence “Since the company's inception in 1992, Geosure has established a formidable reputation in Southern African Geotechnics.” Source: RevenueBase Database · checked Sep 16, 2026
13	AM Consulting Engineers PTY LTD	Partial evidence	Midrand, South AfricaHQ checked Sep 16, 2026	201-500	56 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 16, 2026
14	Q&a Consulting PTY LTD	Indirect evidence	Bloemfontein, South AfricaHQ checked Sep 16, 2026	51-200	56 contacts →
	Indirect evidence “Q&A Consulting offers: Project Management.” Source: RevenueBase Database · checked Sep 16, 2026
15	ARQ Consulting Engineers PTY LTD	Partial evidence	Pretoria, South AfricaHQ checked Sep 16, 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 16, 2026
16	Open House Management Solutions	Strong evidence	Potchefstroom, South AfricaHQ checked Sep 16, 2026	11-50	47 contacts →
	Strong evidence “Open House Management Solutions is a South-African based, Geotechnical Engineering and Seismological services provider.” Source: RevenueBase Database · checked Sep 16, 2026
17	Mukona Group	Strong evidence	Midrand, South AfricaHQ checked Sep 16, 2026	51-200	41 contacts →
	Strong evidence “Mukona Group is a holding company of Mukona Consulting Engineers and Mukona Geotechnics, offering a full spectrum of civil engineering consulting services and geotechnical…” Source: RevenueBase Database · checked Sep 16, 2026
18	NWE Consulting Engineers	Partial evidence	Plattekloof, South AfricaHQ checked Sep 16, 2026	11-50	38 contacts →
	Partial evidence “NWE Consulting Engineers is a multi-disciplinary consulting engineering company with extensive experience in the engineering disciplines of civil, structural, roads and…” Source: RevenueBase Database · checked Sep 16, 2026
19	Franki Africa PTY LTD	Partial evidence	Ottery, South AfricaHQ checked Sep 16, 2026	51-200	37 contacts →
	Partial evidence “Franki is the oldest and most established specialist geotechnical contractor in Sub-Saharan Africa.” Source: RevenueBase Database · checked Sep 16, 2026
20	LSL Consulting	Indirect evidence	Bryanston, South AfricaHQ checked Sep 16, 2026	51-200	36 contacts →
	Indirect 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 16, 2026
21	LEO Consulting PTY LTD	Partial evidence	Queenswood, South AfricaHQ checked Sep 16, 2026	11-50	35 contacts →
	Partial evidence “LEO Consulting is a consulting engineering company established in 2008 with civil engineering staff having in excess of 100 years of combined personal professional experience in…” Source: RevenueBase Database · checked Sep 16, 2026
22	Phoenecian Group PTY Limited	Partial evidence	Tembisa, South AfricaHQ checked Sep 16, 2026	201-500	34 contacts →
	Partial evidence “Phoenecian Group is a dynamic demolition, civil, building and geotechnical contractor, with an unmatched track record in the private and public sector.” Source: RevenueBase Database · checked Sep 16, 2026
23	Project Management International	Partial evidence	South AfricaHQ checked Sep 16, 2026	11-50	30 contacts →
	Partial evidence “Project Management International (PMI) is a dynamic project management company specialising in tailor-made Marine Construction, Engineering Services and Survey & Site…” Source: RevenueBase Database · checked Sep 16, 2026
24	Kitso Botlhale Consulting Engineers	Indirect evidence	Midrand, South AfricaHQ checked Sep 16, 2026	11-50	29 contacts →
	Indirect evidence “KITSO BOTLHALE CONSULTING ENGINEERS is a company based out of the International Business Gateway, C/o Pioneer and Elizabeth Road, Midridge Park Midrand” Source: RevenueBase Database · checked Sep 16, 2026
25	Geotheta Consulting Engineers And Scientists	Partial evidence	Johannesburg, South AfricaHQ checked Sep 16, 2026	51-200	28 contacts →
	Partial evidence “Tailings management today requires more than engineering excellence, it demands independent oversight, structured governance, and defensible risk frameworks.” Source: RevenueBase Database · checked Sep 16, 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: geotechnical engineering 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 geotechnical engineering firms.
Partial evidence: Its own public description names part of geotechnical engineering firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name geotechnical engineering 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 348 geotechnical engineering firms based in South Africa

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Geotechnical engineering firms based in South Africa at a glance

As of Sep 16, 2026

31.1%Verified-email coverage

11.3Average contacts per company

1-10Median size (employees)

13.8%Largest-city concentration · Johannesburg

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

193

11-50

110

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 348 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 geotechnical 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 “geotechnical 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 geotechnical 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 geotechnical 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, 1,219 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 16, 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.

Geotechnical engineering firms by metro

Geotechnical engineering firms in Johannesburg48
Geotechnical engineering firms in Cape Town27
Geotechnical engineering firms in Pretoria26
Geotechnical engineering firms in City Of Tshwane25

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 geotechnical 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 geotechnical engineering firms are there based in South Africa?

RevenueBase identified 348 geotechnical 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?

BVI Consulting Engineers - BVI Group, headquartered in Pretoria, tops this list with the largest team on record.

Which city has the most geotechnical engineering firms?

Johannesburg leads with 48 headquartered companies, followed by Cape Town (27) and Pretoria (26).

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 1,219 verified decision-maker contacts tracked across these 348 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 16, 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.