Company lists · Data verified August 2026

Top 25 Clean energy consulting firms based in South Africa

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 477 companies tracked

There are 477 clean energy consulting firms headquartered in South Africa (RevenueBase, August 2026). RevenueBase tracks 3,327 professional contacts across them, including 995 with verified work emails and 166 with mobile numbers. Johannesburg is the largest hub.

This list covers clean energy 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. Data current as of August 28, 2026.

477Companies

3,327Contacts tracked

995Verified emails

166Mobile numbers

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The 25 largest clean energy consulting firms based in South Africa

Ranked by team size

Top 25 of 477 clean energy consulting firms based in South Africa, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	NUS Consulting Group	Sandton	201-500	334	25
2	Terra Firma	Johannesburg	201-500	229	95
3	ABC Solar SA	Johannesburg	201-500	120	36
4	Siyakha Consulting	Johannesburg	51-200	90	38
5	MOTLA	City Of Tshwane	51-200	82	36
6	Alumo Energy	Pretoria	201-500	79	33
7	Pele Energy Group	Johannesburg	51-200	65	42
8	C4 Ecosolutions	Cape Town	51-200	61	36
9	Renenergy UK	n/a	51-200	48	34
10	Galetech Group	Pretoria	51-200	44	11
11	Long O Donnell	Durban	51-200	39	14
12	Emergent Energy	Cape Town	11-50	34	23
13	Decentral Energy	Rosebank	11-50	33	22
14	Solink	Johannesburg	51-200	27	23
15	Solar Energy Africa	George	11-50	27	9
16	Onezero Consulting	Rosebank	11-50	26	16
17	LTM Energy PTY LTD	Johannesburg	201-500	26	15
18	Infoled	Cape Town	11-50	24	7
19	Nuvo Energy Africa	Pretoria	51-200	23	20
20	Mbhe Group PTY LTD	City Of Tshwane	51-200	20	3
21	Ecolution Consulting	Cape Town	11-50	17	13
22	Ijika Services	Durban	11-50	17	7
23	Anthesis South Africa	Cape Town	11-50	16	10
24	Renu Solar	Hillcrest	11-50	16	9
25	The Energy Gurus	Centurion City Of Tshwane	51-200	16	8

Showing 25 of 477 clean energy consulting firms based in South Africa

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Clean energy consulting firms based in South Africa at a glance

As of Aug 28, 2026

1-10Median size (employees)

JohannesburgLargest hub · 96 HQs

166Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

308

11-50

136

51-200

201-500

Clean energy consulting firms by metro

Metro	Companies
Clean energy consulting firms in Johannesburg	96
Clean energy consulting firms in Cape Town	88
Clean energy consulting firms in Pretoria	42
Clean energy consulting firms in Durban	17
Clean energy consulting firms in Centurion	15
Clean energy consulting firms in Sandton	15
Clean energy consulting firms in City Of Tshwane	13
Clean energy consulting firms in Randburg	8

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “clean energy consulting firms”, with match quality audited by blind human judging, and headquartered in South Africa.
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: Contact records re-verify on a rolling cadence; 7 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many clean energy consulting firms are there based in South Africa?

There are 477 clean energy consulting firms headquartered in South Africa as of August 2026 (RevenueBase).

What is the largest company on this list?

NUS Consulting Group, headquartered in Sandton, tops this list with the largest team on record.

Which city has the most clean energy consulting firms?

Johannesburg leads with 96 headquartered companies, followed by Cape Town (88) and Pretoria (42).

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 995 verified decision-maker contacts tracked across these 477 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.