Company lists · Data refreshed October 2026

Top 25 Energy efficiency engineering firms based in South Africa

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

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 173 companies tracked

RevenueBase identified 173 company matches for energy efficiency engineering firms associated with South Africa as of October 2026 and tracks 1,376 professional contacts across them, including 541 with verified work emails. Johannesburg is the largest hub.

This list covers company matches for energy efficiency engineering 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 October 12, 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 12, 2026 How this list was built

173Companies

1,376Contacts tracked

541Verified emails

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The 25 largest energy efficiency engineering firms based in South Africa

Ranked by team size

Top 25 of 173 company matches for energy efficiency engineering firms based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	Usp&e Global	Exact match	Bryanston, South AfricaHQ recorded Oct 12, 2026	51-200	144 contacts →
	Exact match “For more than 22 years, USP & E has helped clients worldwide overcome the risks of downtime, delays, and unreliable power.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Sutherland	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	51-200	108 contacts →
	Exact match “Sutherland is a multi-disciplinary consulting engineering company with offices in Cape Town, Johannesburg, Durban, and Nairobi, Multidisciplinary sub-disciplines include…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	M-Tech Industrial	Exact match	Potchefstroom, South AfricaHQ recorded Oct 12, 2026	51-200	61 contacts →
	Exact match “M-Tech Industrial (Pty) Ltd.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Livewire Engineering And Consulting PTY LTD	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	11-50	53 contacts →
	Exact match “Livewire Engineering and Consulting (Pty) Ltd was founded in March 2006 to specifically address consulting requirements in the fields of Energy Management, Tariff Analysis, Energy…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Karebo Group	Exact match	Woodmead, South AfricaHQ recorded Oct 12, 2026	11-50	38 contacts →
	Exact match “Karebo has been in business since 1997 and has a solid track record in large scale energy efficiency rollouts and other mass rollouts.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Energy And Combustion Services	Exact match	Kloof, South AfricaHQ recorded Oct 12, 2026	11-50	37 contacts →
	Exact match “At ECS we strive to empower our customers in the mining, industrial and commercial sectors with the ability to transform and continuously enhance and optimise their operational…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Syncsystems South Africa	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	11-50	29 contacts →
	Exact match “SyncSystems is owned by professional engineers with broad industrial experience, including mining, petrochem, biotech and water treatment.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	LTM Energy PTY LTD	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	201-500	26 contacts →
	Exact match “LTM Energy is an Energy Services Company (ESCO) with a unique blend of skills and experience obtained primarily in the energy industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Plantech PTY LTD	Exact match	Pretoria, South AfricaHQ recorded Oct 12, 2026	11-50	25 contacts →
	Exact match “Plantech (Pty) Ltd is a consulting engineering firm established in 1982 by Hein Schuld, James Theron and Peet Olivier.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Onezero Consulting	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	11-50	23 contacts →
	Exact match “Since our inception in 2010, we coined the term Greenovative and have aimed to be pioneers in the electrical and electronic building.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Dihlase Consulting Engineers	Exact match	Bloemfontein, South AfricaHQ recorded Oct 12, 2026	11-50	21 contacts →
	Exact match “Dihlase Consulting Engineers is a company based out of South Africa.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Lombard Consulting Engineers LCE	Exact match	Durbanville, South AfricaHQ recorded Oct 12, 2026	11-50	17 contacts →
	Exact match “A leading mechanical and electrical building services consulting firm in the construction industry, especially in the medical and commercial sectors.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	The Energy Gurus	Exact match	City Of Tshwane, South AfricaHQ recorded Oct 12, 2026	51-200	17 contacts →
	Exact match “The Energy Gurus (Pty) Ltd.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Energy System Planning ESP	Exact match	Parkwood, South AfricaHQ recorded Oct 12, 2026	11-50	16 contacts →
	Exact match “Since our ‘proudly-small’ beginnings in April 2009, ESP has grown to become a formidable and trusted engineering consultancy for the energy sector.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Ecolution Consulting	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	11-50	15 contacts →
	Exact match “Ecolution Consulting is a green building consultancy demonstrating that responsible design is the most practical and efficient way to build for the future.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Grenex	Exact match	Pretoria, South AfricaHQ recorded Oct 12, 2026	11-50	15 contacts →
	Exact match “Located in Pretoria, Grenex (PTY) Ltd specializes in energy management, water management, carbon management services and products.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Zero Point Energy	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	11-50	14 contacts →
	Exact match “Established & operational since 2015, we are a proudly South African sustainable energy company providing professional engineering consulting, turn-key Engineering, Procurement &…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Solutionstation Consulting Engineers	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	11-50	13 contacts →
	Exact match “SolutionStation Consulting Engineers is a closed corporation which was formed in 2001 and is a certified BEE Level 2 contributor with a recognition level of 125% in terms of the…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	SEM Solutions PTY LTD	Exact match	Centurion, South AfricaHQ recorded Oct 12, 2026	11-50	12 contacts →
	Exact match “SEM Solutions is an ENERGY ENGINEERING company that specialises in tailoring bespoke solutions for the energy requirements of our clients.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Imbue Sustainability	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	1-10	11 contacts →
	Exact match “Imbue Sustainability is a leading South African sustainability consultancy specialising in solar and renewable energy solutions and utility optimisation, enhancing the…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Mantech Systems & Solutions	Exact match	Ekurhuleni, South AfricaHQ recorded Oct 12, 2026	11-50	10 contacts →
	Exact match “ManTech Systems and Solutions offers cutting-edge engineering and automation solutions across diverse sectors including industrial, commercial, and residential.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Urban Earth	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	1-10	9 contacts →
	Exact match “Urban Earth is a South African sustainability consultancy established in 2010.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Delta Carbon	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	1-10	8 contacts →
	Exact match “Delta Carbon is an integrated energy services and decarbonisation advisory company.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	PJC Partners	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	1-10	6 contacts →
	Exact match “PJC is an environmental + sustainable design consultancy in the building industry focusing on climate responsive architecture, bioclimatic design and operational building…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Bfba Durban Consultants PTY LTD	Exact match	Durban, South AfricaHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “BFBA DURBAN CONSULTANTS is an established Electrical Engineering consulting company in Durban.” Recorded in the RevenueBase company graph · Oct 12, 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 “energy efficiency engineering 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 173 energy efficiency engineering firms based in South Africa

See the full list, filter by size, metro and specialty, and access 541 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy efficiency engineering firms based in South Africa at a glance

As of Oct 12, 2026

39.3%Verified-email coverage

8.0Average contacts per company

1-10Median size (employees)

15.6%Largest-city concentration · Johannesburg

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

107

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 173 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 “energy efficiency engineering 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 541 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 12, 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.

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 “energy efficiency engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficiency engineering firms are there based in South Africa?

RevenueBase identified 173 company matches for energy efficiency engineering firms 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?

Usp&e Global tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most energy efficiency engineering firms?

Johannesburg leads with 27 company records, followed by Cape Town (24) and Pretoria (12).

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 541 professional contacts with verified work emails tracked across these 173 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 12, 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.