Company lists · Data verified August 2026

Top 25 Cybersecurity risk consulting firms based in South Africa

Name: Cybersecurity risk consulting firms based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 324 companies tracked

There are 324 cybersecurity risk consulting firms headquartered in South Africa (RevenueBase, August 2026). RevenueBase tracks 6,056 professional contacts across them, including 2,707 with verified work emails and 802 with mobile numbers. Johannesburg is the largest hub.

This list covers cybersecurity risk consulting firms 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.

324Companies

6,056Contacts tracked

2,707Verified emails

802Mobile numbers

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The 25 largest cybersecurity risk consulting firms based in South Africa

Ranked by team size

Top 25 of 324 cybersecurity risk consulting firms 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	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	Xone Security	Cape Town	501-1,000	226	36
5	Performanta	Cape Town	51-200	153	103
6	Online Intelligence PTY LTD	Pretoria	51-200	126	64
7	MWR Cybersec	Edenburg	51-200	123	33
8	SECON	Durban	11-50	122	27
9	Conosco	Natal	51-200	105	63
10	Audit Advisory Forensics	Durban	201-500	86	39
11	Aves Cyber Security	Johannesburg	51-200	64	35
12	Risk&co	Sandton Johannesburg	51-200	63	2
13	Vusela Risk Services PTY LTD	Centurion	501-1,000	62	17
14	Mobius Consulting South Africa	Rosebank	51-200	57	31
15	Iguardsa	Johannesburg	51-200	46	28
16	Armata Cyber Security	Johannesburg	51-200	39	25
17	Cyberantix	Midrand	11-50	36	17
18	Dotcom Cybersecurity	Centurion	11-50	30	17
19	Scarybyte	Johannesburg	11-50	28	12
20	Iconis	Cape Town	51-200	26	17
21	MRB Secure PTY LTD RF	Fourways	11-50	20	13
22	Neworder	City Of Tshwane	11-50	20	11
23	Chasewaterford	Cape Town	11-50	18	4
24	Silent Guardian PTY LTD	Pretoria	11-50	16	8
25	Open Water Advanced Risk Solutions	Sandton	51-200	16	6

Showing 25 of 324 cybersecurity risk consulting firms based in South Africa

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Cybersecurity risk consulting firms based in South Africa at a glance

As of Aug 28, 2026

1-10Median size (employees)

JohannesburgLargest hub · 82 HQs

802Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

181

11-50

101

51-200

201-500

501-1,000

1,001-5,000

Cybersecurity risk consulting firms by metro

Metro	Companies
Cybersecurity risk consulting firms in Johannesburg	82
Cybersecurity risk consulting firms in Cape Town	60
Cybersecurity risk consulting firms in Pretoria	26
Cybersecurity risk consulting firms in Sandton	17
Cybersecurity risk consulting firms in Centurion	16
Cybersecurity risk consulting firms in Midrand	15
Cybersecurity risk consulting firms in Bryanston	10

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 risk consulting firms”, 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; 3 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 risk consulting firms are there based in South Africa?

There are 324 cybersecurity risk consulting firms headquartered in South Africa as of August 2026 (RevenueBase).

What is the largest company on this list?

Mimecast, headquartered in Cape Town South Africa, tops this list with the largest team on record.

Which city has the most cybersecurity risk consulting firms?

Johannesburg leads with 82 headquartered companies, followed by Cape Town (60) and Pretoria (26).

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 2,707 verified decision-maker contacts tracked across these 324 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.