Company lists · Data refreshed September 2026

Top 25 Network security consultancies based in South Africa

RevenueBase identified 269 network security consultancies headquartered in South Africa as of September 2026 and tracks 1,871 professional contacts across them, including 593 with verified work emails. Johannesburg is the largest hub.

This list covers network security consultancies headquartered in South Africa, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
269Companies
1,871Contacts tracked
593Verified emails
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The 25 largest network security consultancies based in South Africa

Ranked by team size
Top 25 of 269 network security consultancies based in South Africa, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to network security consultancies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceSandton, South AfricaHQ checked Sep 21, 202651-200228 contacts →

Partial evidence

“CYBER1 Solutions is a Cyber Security specialist operating in Southern Africa, East & West Africa, Dubai and EMEA.”

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceJohannesburg, South AfricaHQ checked Sep 21, 202651-200130 contacts →

Indirect evidence

“Welcome back to the future, MWR CyberSec!”

Source: RevenueBase Database · checked Sep 21, 2026
3Partial evidenceJohannesburg, South AfricaHQ checked Sep 21, 202651-20062 contacts →

Partial evidence

“AVeS Cyber Security forms part of the AVeS Cyber International group of companies.”

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceCape Town, South AfricaHQ checked Sep 21, 202651-20052 contacts →

Indirect evidence

“At ESET Southern Africa, we specialise in advanced cybersecurity solutions designed to safeguard businesses and individuals against ever-evolving threats.”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceSandton, South AfricaHQ checked Sep 21, 2026n/a47 contacts →

Indirect evidence

“Dataproof Communications is a Cybersecurity Company incorporated in 2014 specialising in cybersecurity operations, incident management and response best practices and technologies.”

Source: RevenueBase Database · checked Sep 21, 2026
6Partial evidenceMidrand, South AfricaHQ checked Sep 21, 202611-5036 contacts →

Partial evidence

“CyberAntix Pty Ltd offers Premium CyberSecurity for your business using advanced Security Operations Centre (SOC) technology and process platform that is built using cutting-edge…”

Source: RevenueBase Database · checked Sep 21, 2026
7Partial evidenceBryanston, South AfricaHQ checked Sep 21, 202611-5035 contacts →

Partial evidence

“Redshift is a South African cyber security advisory company assisting our customers with assessing their cyber security posture, determining risk exposure and building robust…”

Source: RevenueBase Database · checked Sep 21, 2026
8Partial evidenceJohannesburg, South AfricaHQ checked Sep 21, 202651-20035 contacts →

Partial evidence

“We believe every business deserves the peace of mind, performance, and protection that world-class IT and Cyber Security brings, no matter their size.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceJohannesburg, South AfricaHQ checked Sep 21, 202611-5035 contacts →

Indirect evidence

“Innovation Hub Group is a strategic IT services and consulting partner helping businesses operate more securely, efficiently, and intelligently.”

Source: RevenueBase Database · checked Sep 21, 2026
10Partial evidenceCenturion, South AfricaHQ checked Sep 21, 202611-5031 contacts →

Partial evidence

“Dotcom Security is a cyber risk-centric organisation focused on defining, maturing and automating both organisational and technical processes.”

Source: RevenueBase Database · checked Sep 21, 2026
11Partial evidenceJohannesburg, South AfricaHQ checked Sep 21, 202611-5028 contacts →

Partial evidence

“We offer the support and guidance of industry leaders and security specialists to help you accelerate your cybersecurity improvement via cutting-edge methodologies and risk…”

Source: RevenueBase Database · checked Sep 21, 2026
12Partial evidenceSandton, South AfricaHQ checked Sep 21, 202611-5023 contacts →

Partial evidence

“Founded by highly experienced cyber security specialists in 2012.”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceJohannesburg, South AfricaHQ checked Sep 21, 202611-5022 contacts →

Indirect evidence

“Infoprotect is a trusted ICT Solution Provider specializing in Managed IT Services, from End-Points to Cloud Infrastructure, Cybersecurity to Compliance Management, and everything…”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceDurban, South AfricaHQ checked Sep 21, 202651-20022 contacts →

Indirect evidence

“ICON Information Systems is an ISO9001 and ISO27001 certified end-to-end ICT Services Provider with 9 years of operational experience under its belt.”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceCape Town, South AfricaHQ checked Sep 21, 202611-5022 contacts →

Indirect evidence

“At TCC – The Cloud Crew, we empower you to excel in what you do best by providing secure, cutting-edge technology and strategic partnerships with market leaders.”

Source: RevenueBase Database · checked Sep 21, 2026
16Partial evidenceSandton, South AfricaHQ checked Sep 21, 202611-5021 contacts →

Partial evidence

“Take Note IT is a highly specialized Boutique Information Technology (IT) Security solution provider.”

Source: RevenueBase Database · checked Sep 21, 2026
17Partial evidenceJohannesburg, South AfricaHQ checked Sep 21, 202611-5019 contacts →

Partial evidence

“SecureConekt provides various Information Security services to a wide range of industries.”

Source: RevenueBase Database · checked Sep 21, 2026
18Partial evidenceFourways, South AfricaHQ checked Sep 21, 202611-5019 contacts →

Partial evidence

“Cyber threats are evolving, but securing your business doesn’t have to be complicated or expensive.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceRandburg, South AfricaHQ checked Sep 21, 202611-5018 contacts →

Indirect evidence

“Welcome to AIEQ Systems, where innovation, connection, and evolution converge to redefine cybersecurity and propel your business into the future.”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidencePretoria, South AfricaHQ checked Sep 21, 202611-5018 contacts →

Indirect evidence

“At Cyber83, we are dedicated to delivering top-tier cybersecurity solutions that meet the complex needs of today's enterprises.”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceDurbanville, South AfricaHQ checked Sep 21, 202611-5017 contacts →

Indirect evidence

“Risk X Group assists organisations stay ahead of an evolving cyber threat and regulatory landscape.”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceMidrand, South AfricaHQ checked Sep 21, 20261-1017 contacts →

Indirect evidence

“Technology is at the core of every business in today's digitally connected world.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceMidrand, South AfricaHQ checked Sep 21, 202611-5017 contacts →

Indirect evidence

“Clyrofor is a South African #Cybersecurity company that is founded on the principles of empowerment and innovation.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceSandton, South AfricaHQ checked Sep 21, 202611-5017 contacts →

Indirect evidence

“Magix is a South African company which delivers comprehensive and trusted Cybercrime Defence and Detection services to address, manage, and contain the risks and potential damage…”

Source: RevenueBase Database · checked Sep 21, 2026
25Partial evidenceJohannesburg, South AfricaHQ checked Sep 21, 202611-5016 contacts →

Partial evidence

“ReportStar Technologies is a leading provider of cyber security solutions to the corporate, government and educational markets.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 269 network security consultancies based in South Africa

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Network security consultancies based in South Africa at a glance

As of Sep 21, 2026
31.7%Verified-email coverage
7.0Average contacts per company
1-10Median size (employees)
26.0%Largest-city concentration · Johannesburg
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
160
11-50
89
51-200
18
201-500
1
501-1,000
1

Email recency for this list is measured worldwide rather than for South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 269 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among network security consultancies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in South Africa whose own description of what they do matches “network security consultancies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names network security consultancies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among network security consultancies, and records with no verified work email. Companies headquartered outside South Africa are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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
Every listed company carries at least one verified work email, 593 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Network security consultancies by metro

  • Network security consultancies in Johannesburg70
  • Network security consultancies in Cape Town38

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names network security consultancies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many network security consultancies are there based in South Africa?

RevenueBase identified 269 network security consultancies headquartered in South Africa as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Cyber1 Solutions, headquartered in Sandton, tops this list with the largest team on record.

Which city has the most network security consultancies?

Johannesburg leads with 70 headquartered companies, followed by Cape Town (38) and Sandton (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 593 verified decision-maker contacts tracked across these 269 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.