Company lists · Data verified August 2026

Top 25 Cybersecurity and defense software companies based in South Africa

Name: Cybersecurity and defense 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 88 companies tracked

There are 88 cybersecurity and defense software companies headquartered in South Africa (RevenueBase, August 2026). RevenueBase tracks 941 professional contacts across them, including 396 with verified work emails and 26 with mobile numbers. Johannesburg is the largest hub.

This list covers cybersecurity and defense 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.

88Companies

941Contacts tracked

396Verified emails

26Mobile numbers

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The 25 largest cybersecurity and defense software companies based in South Africa

Ranked by team size

Top 25 of 88 cybersecurity and defense 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	Performanta	Cape Town	51-200	153	103
2	Conosco	Natal	51-200	105	63
3	Snode Technologies	Centurion	51-200	77	49
4	Armata Cyber Security	Johannesburg	51-200	39	25
5	Redshift Cyber Security PTY LTD	Bryanston	11-50	35	28
6	Bitcrack Cyber Security	Sandton Johannesburg	11-50	25	16
7	Isolv Technologies PTY LTD	Rosebank	11-50	25	10
8	MRB Secure PTY LTD RF	Fourways	11-50	20	13
9	Cyber83	Pretoria	11-50	19	10
10	Cyberrey	Johannesburg	11-50	19	3
11	Clyrofor SA	Midrand	11-50	17	3
12	Reportstar Technologies	Johannesburg	11-50	16	7
13	Techex Digital Solutions	Headquarters	11-50	15	8
14	Telspace Africa	Johannesburg	11-50	15	2
15	Access Zero PTY LTD	Johannesburg	11-50	13	3
16	Secured Enterprise	Umhlanga	51-200	12	3
17	Bluevision	Jhb	11-50	11	1
18	Blckrhino	Cape Town	1-10	9	8
19	Netsec PTY LTD	Mogale City	11-50	9	7
20	Cyberstack	Mogale City	11-50	8	4
21	Pfortner	Eldoraigne	11-50	8	3
22	Cyber Sentinel	Johannesburg	1-10	8	1
23	Cyber Insight	Cape Town	1-10	6	4
24	Cyberspace Protection PTY LTD	Durban	1-10	6	3
25	Cyberintelligent Systems	Midrand	1-10	4	2

Showing 25 of 88 cybersecurity and defense software companies based in South Africa

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Cybersecurity and defense software companies based in South Africa at a glance

As of Aug 28, 2026

11-50Median size (employees)

JohannesburgLargest hub · 22 HQs

26Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Cybersecurity and defense software companies by metro

Metro	Companies
Cybersecurity and defense software companies in Johannesburg	22
Cybersecurity and defense software companies in Pretoria	8
Cybersecurity and defense software companies in Cape Town	8
Cybersecurity and defense software companies in Sandton	6
Cybersecurity and defense software companies in Midrand	5
Cybersecurity and defense software companies in Bryanston	4
Cybersecurity and defense software companies in Centurion	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 “cybersecurity and defense 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; 1 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 cybersecurity and defense software companies are there based in South Africa?

There are 88 cybersecurity and defense software companies headquartered in South Africa as of August 2026 (RevenueBase).

What is the largest company on this list?

Performanta, headquartered in Cape Town, tops this list with the largest team on record.

Which city has the most cybersecurity and defense software companies?

Johannesburg leads with 22 headquartered companies, followed by Pretoria (8) and Cape Town (8).

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 396 verified decision-maker contacts tracked across these 88 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.