Company lists · Data verified August 2026

Top 25 Cybersecurity defense contractors based in South Africa

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 211 companies tracked

There are 211 cybersecurity defense contractors headquartered in South Africa (RevenueBase, August 2026). RevenueBase tracks 2,528 professional contacts across them, including 1,011 with verified work emails and 126 with mobile numbers. Johannesburg is the largest hub.

This list covers cybersecurity defense contractors 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.

211Companies

2,528Contacts tracked

1,011Verified emails

126Mobile numbers

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The 25 largest cybersecurity defense contractors based in South Africa

Ranked by team size

Top 25 of 211 cybersecurity defense contractors 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	Snode Technologies	Centurion	51-200	77	49
8	Aves Cyber Security	Johannesburg	51-200	64	35
9	Iguardsa	Johannesburg	51-200	46	28
10	Armata Cyber Security	Johannesburg	51-200	39	25
11	Cyberantix	Midrand	11-50	36	17
12	Dotcom Cybersecurity	Centurion	11-50	30	17
13	Scarybyte	Johannesburg	11-50	28	12
14	Iconis	Cape Town	51-200	26	17
15	Take Note Group Of Companies	Sandton	11-50	21	7
16	MRB Secure PTY LTD RF	Fourways	11-50	20	13
17	Secureconekt	Johannesburg	11-50	20	12
18	Neworder	City Of Tshwane	11-50	20	11
19	Cyber83	Pretoria	11-50	19	10
20	Cyberrey	Johannesburg	11-50	19	3
21	Aieq Systems	Cape Town	11-50	18	14
22	Risk X Group	Cape Town	11-50	17	13
23	Silent Guardian PTY LTD	Pretoria	11-50	16	8
24	MAGIX	Sandton	11-50	16	5
25	Techex Digital Solutions	Headquarters	11-50	15	8

Showing 25 of 211 cybersecurity defense contractors based in South Africa

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Cybersecurity defense contractors based in South Africa at a glance

As of Aug 28, 2026

1-10Median size (employees)

JohannesburgLargest hub · 56 HQs

126Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

112

11-50

51-200

201-500

Cybersecurity defense contractors by metro

Metro	Companies
Cybersecurity defense contractors in Johannesburg	56
Cybersecurity defense contractors in Cape Town	38
Cybersecurity defense contractors in Pretoria	19
Cybersecurity defense contractors in Sandton	14
Cybersecurity defense contractors in Midrand	12
Cybersecurity defense contractors in Centurion	9
Cybersecurity defense contractors in Bryanston	8

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 contractors”, 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 contractors are there based in South Africa?

There are 211 cybersecurity defense contractors 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 contractors?

Johannesburg leads with 56 headquartered companies, followed by Cape Town (38) and Pretoria (19).

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 1,011 verified decision-maker contacts tracked across these 211 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.