Company lists · Data verified August 2026

Top 25 Clean energy software companies based in South Africa

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 170 companies tracked

There are 170 clean energy software companies headquartered in South Africa (RevenueBase, August 2026). RevenueBase tracks 1,605 professional contacts across them, including 428 with verified work emails and 53 with mobile numbers. Johannesburg is the largest hub.

This list covers clean energy software companies 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.

170Companies

1,605Contacts tracked

428Verified emails

53Mobile numbers

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The 25 largest clean energy software companies based in South Africa

Ranked by team size

Top 25 of 170 clean energy software companies 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	Rioglass	Upington	501-1,000	154	10
2	ABC Solar SA	Johannesburg	201-500	120	36
3	Gosolr	Cape Town	51-200	111	41
4	Wetility	Johannesburg	51-200	101	64
5	Enerweb	Midrand	11-50	46	30
6	Galetech Group	Pretoria	51-200	44	11
7	Genergy South Africa	Port Elizabeth	51-200	43	10
8	Emergent Energy	Cape Town	11-50	34	23
9	Solar Energy Africa	George	11-50	27	9
10	Joule Energy Solutions PTY LTD	Cape Town	11-50	24	16
11	Infoled	Cape Town	11-50	24	7
12	Journey2green	Johannesburg	11-50	22	14
13	Nesa Power	Hilton	11-50	22	13
14	Sparki Solar	Linbro Park Johannesburg	51-200	22	4
15	Energy Group	Cape Town	11-50	20	13
16	Mbhe Group PTY LTD	City Of Tshwane	51-200	20	3
17	Greenhouse	Centurion	11-50	19	7
18	Forest Energy	City Of Tshwane Centurion	11-50	19	7
19	Cennergi	Gqeberha	11-50	18	14
20	Renu Solar	Hillcrest	11-50	16	9
21	INALA	Somerset West	11-50	15	9
22	Micasa Energy Solutions	Johannesburg	51-200	14	8
23	Solarvest	Shakashead	11-50	13	5
24	Renen Energy Solutions PTY LTD	Howick	11-50	12	4
25	Nupower Solar	Alberton	51-200	9	4

Showing 25 of 170 clean energy software companies based in South Africa

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Clean energy software companies based in South Africa at a glance

As of Aug 28, 2026

1-10Median size (employees)

JohannesburgLargest hub · 33 HQs

53Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Clean energy software companies by metro

Metro	Companies
Clean energy software companies in Johannesburg	33
Clean energy software companies in Cape Town	33
Clean energy software companies in Pretoria	14
Clean energy software companies in City Of Tshwane	5
Clean energy software companies in Sandton	5
Clean energy software companies in Centurion	4
Clean energy software companies in Midrand	3
Clean energy software companies in Port Elizabeth	3

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 software companies”, 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; 2 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 software companies are there based in South Africa?

There are 170 clean energy software companies headquartered in South Africa as of August 2026 (RevenueBase).

What is the largest company on this list?

Rioglass, headquartered in Upington, tops this list with the largest team on record.

Which city has the most clean energy software companies?

Johannesburg leads with 33 headquartered companies, followed by Cape Town (33) and Pretoria (14).

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 428 verified decision-maker contacts tracked across these 170 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.