Company lists · Data verified August 2026

Top 25 Cybersecurity defense companies based in South Africa

Name: Cybersecurity defense 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 214 companies tracked

There are 214 cybersecurity defense companies headquartered in South Africa (RevenueBase, August 2026). RevenueBase tracks 2,647 professional contacts across them, including 1,054 with verified work emails and 126 with mobile numbers. Johannesburg is the largest hub.

This list covers cybersecurity defense 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.

214Companies

2,647Contacts tracked

1,054Verified emails

126Mobile numbers

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The 25 largest cybersecurity defense companies based in South Africa

Ranked by team size

Top 25 of 214 cybersecurity defense 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	S-Rm	Cape Town	201-500	352	223
2	Cyber1 Solutions	Sandton	51-200	235	24
3	Performanta	Cape Town	51-200	153	103
4	MWR Cybersec	Edenburg	51-200	123	33
5	SECON	Durban	11-50	122	27
6	Conosco	Natal	51-200	105	63
7	Securicom	Cape Town	51-200	78	29
8	Snode Technologies	Centurion	51-200	77	49
9	Aves Cyber Security	Johannesburg	51-200	64	35
10	Iguardsa	Johannesburg	51-200	46	28
11	Armata Cyber Security	Johannesburg	51-200	39	25
12	Qwerti	Durban	51-200	36	21
13	Cyberantix	Midrand	11-50	36	17
14	Dotcom Cybersecurity	Centurion	11-50	30	17
15	Scarybyte	Johannesburg	11-50	28	12
16	Iconis	Cape Town	51-200	26	17
17	MRB Secure PTY LTD RF	Fourways	11-50	20	13
18	Secureconekt	Johannesburg	11-50	20	12
19	Neworder	City Of Tshwane	11-50	20	11
20	Maidar Secure	Bryanston	51-200	20	5
21	Cyber83	Pretoria	11-50	19	10
22	Cyberrey	Johannesburg	11-50	19	3
23	Clyrofor SA	Midrand	11-50	17	3
24	Silent Guardian PTY LTD	Pretoria	11-50	16	8
25	MAGIX	Sandton	11-50	16	5

Showing 25 of 214 cybersecurity defense companies based in South Africa

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Cybersecurity defense companies based in South Africa at a glance

As of Aug 28, 2026

1-10Median size (employees)

JohannesburgLargest hub · 59 HQs

126Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

114

11-50

51-200

201-500

Cybersecurity defense companies by metro

Metro	Companies
Cybersecurity defense companies in Johannesburg	59
Cybersecurity defense companies in Cape Town	37
Cybersecurity defense companies in Pretoria	18
Cybersecurity defense companies in Sandton	14
Cybersecurity defense companies in Midrand	11
Cybersecurity defense companies in Centurion	9
Cybersecurity defense companies in Bryanston	9
Cybersecurity defense companies in Durban	7

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 defense 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 cybersecurity defense companies are there based in South Africa?

There are 214 cybersecurity defense companies headquartered in South Africa as of August 2026 (RevenueBase).

What is the largest company on this list?

S-Rm, headquartered in Cape Town, tops this list with the largest team on record.

Which city has the most cybersecurity defense companies?

Johannesburg leads with 59 headquartered companies, followed by Cape Town (37) and Pretoria (18).

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 1,054 verified decision-maker contacts tracked across these 214 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.