Company lists · Data refreshed October 2026

Top 25 Geothermal energy consulting services based in South Africa

Name: Geothermal energy consulting services based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 13, 2026 150 companies tracked

RevenueBase identified 150 company matches for geothermal energy consulting services associated with South Africa as of October 2026 and tracks 821 professional contacts across them, including 155 with verified work emails. Johannesburg is the largest hub.

This list covers company matches for geothermal energy consulting services 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 October 13, 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 Oct 13, 2026 How this list was built

150Companies

821Contacts tracked

155Verified emails

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The 25 largest geothermal energy consulting services based in South Africa

Ranked by team size

Top 25 of 150 company matches for geothermal energy consulting services based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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	The MSA Group	Exact match	Victory Park, South AfricaHQ recorded Oct 13, 2026	51-200	112 contacts →
	Exact match “The MSA Group is a leading provider of exploration, geology, mineral resource and reserve estimation, mining and environmental consulting services to the mining industry.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2	Umvoto	Exact match	Cape Town, South AfricaHQ recorded Oct 13, 2026	11-50	36 contacts →
	Exact match “Umvoto is an earth sciences consultancy, specializing in environmental resource development, management and sustainability.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3	Geotheta Consulting Engineers And Scientists	Exact match	Johannesburg, South AfricaHQ recorded Oct 13, 2026	51-200	31 contacts →
	Exact match “Tailings management today requires more than engineering excellence, it demands independent oversight, structured governance, and defensible risk frameworks.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4	Geoss South Africa	Exact match	Stellenbosch, South AfricaHQ recorded Oct 13, 2026	11-50	31 contacts →
	Exact match “GEOSS, established on 1 March 2001, specializes in all aspects of hydrogeology, including: • Groundwater exploration (borehole siting, drilling supervision with logging, pumping…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5	Sound Mining	Exact match	Edenburg, South AfricaHQ recorded Oct 13, 2026	11-50	27 contacts →
	Exact match “Founded in 2004, Sound Mining is an international mining consultancy that provides services to the minerals industry across six continents.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6	Rafuni PTY LTD	Exact match	Johannesburg, South AfricaHQ recorded Oct 13, 2026	11-50	23 contacts →
	Exact match “Rafuni offers Geotechnical, Geological and Environmental Consulting Services.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7	Bara Consulting LTD	Exact match	Johannesburg, South AfricaHQ recorded Oct 13, 2026	11-50	22 contacts →
	Exact match “Bara Consulting is a boutique geological, engineering, ESG and mineral processing consultancy owned and operated by experienced industry professionals and offers high quality…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8	Infoled	Exact match	Montague Gardens, South AfricaHQ recorded Oct 13, 2026	11-50	21 contacts →
	Exact match “INFOLED is an experienced and progressive Energy Solutions Company and a recognized leader in the project development and energy consulting services industry.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9	Artesium Consulting Services	Exact match	Pretoria, South AfricaHQ recorded Oct 13, 2026	1-10	13 contacts →
	Exact match “We are passionate about our vision to provide world leading hydrogeological and mine water management specialist services with the goal of value engineering and determination of…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10	B&s Geological	Exact match	Johannesburg, South AfricaHQ recorded Oct 13, 2026	1-10	9 contacts →
	Exact match “At B&S Geological we are passionate about applying our geological expertise and mastery of cutting-edge modelling software to make a tangible difference.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11	Africa-One Consulting	Exact match	Johannesburg, South AfricaHQ recorded Oct 13, 2026	11-50	8 contacts →
	Exact match “Africa-One Consulting and Research Pty Ltd trading as Africa-One Consulting was formed with initial focus on electrical engineering technology consulting with a vision to later…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12	Aqua Earth	Exact match	Johannesburg, South AfricaHQ recorded Oct 13, 2026	11-50	7 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13	Blue SKY Energy	Exact match	Cape Town, South AfricaHQ recorded Oct 13, 2026	1-10	7 contacts →
	Exact match “End-to-end energy needs assessments and investment feasibility.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14	Gemecs PTY LTD	Exact match	Middelburg, South AfricaHQ recorded Oct 13, 2026	1-10	6 contacts →
	Exact match “We are independent geological consultants providing a world class service in mineral resource management • Provide geological modelling services • Provide experienced and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15	Ingwe Projects And Consulting PTY LTD	Exact match	Sandton, South AfricaHQ recorded Oct 13, 2026	1-10	6 contacts →
	Exact match “Ingwe Projects and Consulting (Pty) Ltd.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16	Solarepc	Exact match	Laser Park, South AfricaHQ recorded Oct 13, 2026	11-50	6 contacts →
	Exact match “An honest and ethical Solar Engineering consultancy that specializes in turnkey solar and battery ESS solutions.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17	Melis & DU Plessis Consulting Engineers	Exact match	Cape Town, South AfricaHQ recorded Oct 13, 2026	1-10	5 contacts →
	Exact match “Melis & Du Plessis Consulting Engineers have been in existence for 40 years, providing specialist consultancy services in the fields of Geotechnical Engineering and Engineering…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18	Synlec PTY LTD	Exact match	Johannesburg, South AfricaHQ recorded Oct 13, 2026	1-10	5 contacts →
	Exact match “Electrical engineering consulting.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19	Clean Kilowatt Energy	Exact match	Somerset West, South AfricaHQ recorded Oct 13, 2026	11-50	4 contacts →
	Exact match “We are dedicated to transforming the energy landscape by providing cutting-edge consulting services with a strong focus on renewable energy integration.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20	Engage Energy Engineering	Exact match	Durban, South AfricaHQ recorded Oct 13, 2026	1-10	4 contacts →
	Exact match “Engage Energy and Engineering (Pty) Ltd “ENGAGE” has a core team that have worked on over 100 sites locally and internationally; providing energy advisory services, engineering…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21	Mindset Mining Consultants	Exact match	Pretoria, South AfricaHQ recorded Oct 13, 2026	1-10	4 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22	Mentor Engineering Consultants	Exact match	Ballito, South AfricaHQ recorded Oct 13, 2026	1-10	4 contacts →
	Exact match “Mentor Consulting is a multi-disciplinary team of engineers providing varied services into the industrial manufacturing, renewable and thermal engineering sectors.+ Owner's…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23	Pivot Mining Consultants PTY LTD	Exact match	Johannesburg, South AfricaHQ recorded Oct 13, 2026	11-50	4 contacts →
	Exact match “The PIVOT Mining Consultants technical team is headed up by Ken Lomberg and Hannes Bornman, boasting more than 60 years of hands on experience between the two of them.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24	Ecosteps	Exact match	Maruleng, South AfricaHQ recorded Oct 13, 2026	1-10	4 contacts →
	Exact match “Consultancy/Developer in the Renewable Energy and alternate building Industry.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25	Earth Science Africa PTY LTD	Exact match	Cape Town, South AfricaHQ recorded Oct 13, 2026	1-10	4 contacts →
	Exact match “Earth Science Africa (Pty) Ltd.” Recorded in the RevenueBase company graph · Oct 13, 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 “geothermal energy consulting services”. 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 150 geothermal energy consulting services based in South Africa

See the full list, filter by size, metro and specialty, and access 155 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geothermal energy consulting services based in South Africa at a glance

As of Oct 13, 2026

18.9%Verified-email coverage

5.5Average contacts per company

1-10Median size (employees)

18.0%Largest-city concentration · Johannesburg

Oct 13, 2026Page data refreshed

Companies by employee count

1-10

104

11-50

51-200

201-500

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 150 companies.

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 “geothermal energy consulting services” 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 155 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 October 13, 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.

Geothermal energy consulting services by metro

Geothermal energy consulting services in Johannesburg27

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 “geothermal energy consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geothermal energy consulting services are there based in South Africa?

RevenueBase identified 150 company matches for geothermal energy consulting services associated with South Africa as of October 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?

The MSA Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most geothermal energy consulting services?

Johannesburg leads with 27 company records, followed by Cape Town (19) and Pretoria (16).

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 155 professional contacts with verified work emails tracked across these 150 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 October 13, 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 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.