Company lists · Data verified August 2026

Top 25 Cybersecurity companies based in Johannesburg, South Africa

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 93 companies tracked

Our directory lists 93 cybersecurity companies based in Johannesburg, South Africa, with 569 professional contacts and 219 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.

93Companies

569Contacts tracked

219Verified emails

16Mobile numbers

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The 25 largest cybersecurity companies based in Johannesburg, South Africa

Ranked by team size

Top 25 of 93 cybersecurity companies based in Johannesburg, 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	Aves Cyber Security	Johannesburg	51-200	64	35
2	Iguardsa	Johannesburg	51-200	46	28
3	Armata Cyber Security	Johannesburg	51-200	39	25
4	Cyberlinx Security	Johannesburg	11-50	29	22
5	Scarybyte	Johannesburg	11-50	28	12
6	Infoprotect SA	Johannesburg	11-50	22	16
7	Secureconekt	Johannesburg	11-50	20	12
8	Cyberrey	Johannesburg	11-50	19	3
9	Trinexia South Africa	Johannesburg	11-50	18	15
10	Reportstar Technologies	Johannesburg	11-50	16	7
11	Telspace Africa	Johannesburg	11-50	15	2
12	Prima Secure	Johannesburg	11-50	14	3
13	Access Zero PTY LTD	Johannesburg	11-50	13	3
14	I'curity Solutions	Johannesburg	11-50	12	4
15	Icloudz	Johannesburg	11-50	12	1
16	Sisekela	Johannesburg	1-10	10	3
17	Hubsec	Johannesburg	11-50	9	3
18	Cyber Sentinel	Johannesburg	1-10	8	1
19	Cyberwin	Johannesburg	1-10	5	3
20	Cypherdata	Johannesburg	11-50	5	2
21	Digital Resilience	Johannesburg	1-10	5	2
22	Prostream South Africa	Johannesburg	51-200	4	3
23	Naveg Technologies	Johannesburg	11-50	4	1
24	Cyberdata Group PTY LTD	Johannesburg	11-50	3	2
25	Cyberxperts	Johannesburg	1-10	3	1

Showing 25 of 93 cybersecurity companies based in Johannesburg, South Africa

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Cybersecurity companies based in Johannesburg, South Africa at a glance

As of Aug 28, 2026

1-10Median size (employees)

JohannesburgLargest hub · 93 HQs

16Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Cybersecurity companies by metro in South Africa

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 Johannesburg, 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; 0 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 93 cybersecurity companies based in Johannesburg, 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 569 professional contacts and 219 email addresses for the listed cybersecurity companies.

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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.