Company lists · Data verified August 2026

Top 25 Cybersecurity companies in South Africa

Name: Cybersecurity companies in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 383 companies tracked

Our directory lists 383 cybersecurity companies in South Africa, with 6,363 professional contacts and 2,805 email addresses. The list was last updated in August 2026, and Johannesburg is the single most-represented city among the companies listed.

Cybersecurity companies provide products and services that protect systems, networks, applications, devices, and data from unauthorized access, disruption, or misuse. This list covers companies that provide cybersecurity products, services, consulting, assessments, monitoring, incident response, or related protection for digital systems and data. Ranked by team size, largest first. Data current as of August 28, 2026.

383Companies

6,363Contacts tracked

2,805Verified emails

832Mobile numbers

Unlock all 383 companies Free account · no credit card · 2 minutes

The 25 largest cybersecurity companies in South Africa

Ranked by team size

Top 25 of 383 cybersecurity companies 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	Mimecast	Cape Town South Africa	1,001-5,000	2,348	1,437
2	S-Rm	Cape Town	201-500	352	223
3	Cyber1 Solutions	Sandton	51-200	235	24
4	Maxtec	Sandton	51-200	206	37
5	Performanta	Cape Town	51-200	153	103
6	MWR Cybersec	Edenburg	51-200	123	33
7	SECON	Durban	11-50	122	27
8	Conosco	Natal	51-200	105	63
9	Redstor	Somerset West	51-200	81	28
10	Securicom	Cape Town	51-200	78	29
11	Snode Technologies	Centurion	51-200	77	49
12	Aves Cyber Security	Johannesburg	51-200	64	35
13	Iguardsa	Johannesburg	51-200	46	28
14	The Kernel	Sandton	51-200	44	9
15	Armata Cyber Security	Johannesburg	51-200	39	25
16	Qwerti	Durban	51-200	36	21
17	Cyberantix	Midrand	11-50	36	17
18	Cyber Retaliator Solutions	Centurion	11-50	29	6
19	Scarybyte	Johannesburg	11-50	28	12
20	Iconis	Cape Town	51-200	26	17
21	Isolv Technologies PTY LTD	Rosebank	11-50	25	10
22	The Cloud Crew	Cape Town	11-50	22	12
23	MRB Secure PTY LTD RF	Fourways	11-50	20	13
24	Secureconekt	Johannesburg	11-50	20	12
25	Maidar Secure	Bryanston	51-200	20	5
26	Cloud Group	Cape Town	11-50	20	2
27	NEO Technologies PTY LTD	Hartbeespoort	11-50	18	10
28	Corporate Business Security	Randburg	11-50	17	5

Showing 25 of 383 cybersecurity companies in South Africa

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 2,805 reachable decision-makers.

Free account · no credit card

See all 383 companies

Cybersecurity companies in South Africa at a glance

As of Aug 28, 2026

1-10Median size (employees)

JohannesburgLargest hub · 93 HQs

832Contacts with mobile numbers

19Emails re-verified in last 30 days

Companies by employee count

1-10

203

11-50

126

51-200

201-500

1,001-5,000

Companies by metro

Metro	Companies
Cybersecurity companies in Johannesburg	93
Cybersecurity companies in Cape Town	67
Cybersecurity companies in Pretoria	34
Cybersecurity companies in Sandton	20
Cybersecurity companies in Centurion	13
Cybersecurity companies in City Of Tshwane	12
Cybersecurity companies in Midrand	12
Cybersecurity companies in Durban	12

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 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; 19 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 companies are in the directory?

The directory lists 383 cybersecurity companies in South Africa.

Which city has the most cybersecurity companies?

Johannesburg is the single most-represented city among the cybersecurity companies on the list.

How many contacts are available for cybersecurity companies?

The directory includes 6,363 professional contacts and 2,805 email addresses for the listed cybersecurity companies.

Ready to reach these companies? Verified emails and direct dials for all 383 cybersecurity companies in South Africa. Start with a free account, no credit card.

Get the full list

Related lists

Cybersecurity companies by geography

Browse the directory

Browse: Companies home · All South Africa lists · New lists

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.