Company lists · Data refreshed September 2026
Top 24 Network security consultant companies based in South Africa
RevenueBase identified 222 network security consultant companies headquartered in South Africa as of September 2026 and tracks 1,476 professional contacts across them, including 484 with verified work emails. Johannesburg is the largest hub.
This list covers network security consultant companies 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 29, 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.
The 24 largest network security consultant companies based in South Africa
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 228 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 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 62 contacts → | ||||
Partial evidence “AVeS Cyber Security forms part of the AVeS Cyber International group of companies.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 47 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 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 36 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 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 35 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 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 35 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 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 28 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 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 23 contacts → | ||||
Partial evidence “Founded by highly experienced cyber security specialists in 2012.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 22 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 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 22 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 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 22 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 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 21 contacts → | ||||
Partial evidence “Take Note IT is a highly specialized Boutique Information Technology (IT) Security solution provider.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 19 contacts → | ||||
Partial evidence “SecureConekt provides various Information Security services to a wide range of industries.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 19 contacts → | ||||
Partial evidence “Cyber threats are evolving, but securing your business doesn’t have to be complicated or expensive.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 18 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 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 18 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 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 17 contacts → | ||||
Indirect evidence “Risk X Group assists organisations stay ahead of an evolving cyber threat and regulatory landscape.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 17 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 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 16 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 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 16 contacts → | ||||
Strong evidence “Formerly Alpha Wireless, Alpha Secure Networks provides superior service in IT Security, Networks, Disaster Recovery, Cloud and Supply, Installation and Support of Hardware &…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 15 contacts → | ||||
Indirect evidence “TechEx Digital Solutions is a leading cyber technology firm specialising in providing robust solutions to safeguard small, medium and large organisations from digital threats.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 15 contacts → | ||||
Indirect evidence “Silent Guardian is a cybersecurity firm based in Durban, South Africa.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 15 contacts → | ||||
Indirect evidence “4levels Solutions helps SA businesses grow with IT consulting, cloud services, cybersecurity, and digital transformation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 14 contacts → | ||||
Indirect evidence “Welcome to SIFTCON Forensic Services – your trusted partner in expert forensic solutions, cybersecurity assessments, data analytics, and risk management strategies.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: network security consultant companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names network security consultant companies.
- Partial evidence
- Its own public description names part of network security consultant companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name network security consultant companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 24 of 222 network security consultant companies based in South Africa
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Network security consultant companies based in South Africa at a glance
As of Sep 29, 2026Companies by employee count
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 222 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 consultant companies, 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 consultant companies”. 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 consultant companies), 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 consultant companies, 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, 484 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 29, 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 consultant companies by metro
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 consultant companies, 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 consultant companies are there based in South Africa?
RevenueBase identified 222 network security consultant companies 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 consultant companies?
Johannesburg leads with 61 headquartered companies, followed by Cape Town (33) and Pretoria (16).
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 484 verified decision-maker contacts tracked across these 222 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 29, 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.
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