Company lists · Data refreshed September 2026

Top 25 Information security consultancy services based in South Africa

RevenueBase identified 330 information security consultancy services headquartered in South Africa as of September 2026 and tracks 2,214 professional contacts across them, including 668 with verified work emails. Johannesburg is the largest hub.

This list covers information security consultancy services 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
330Companies
2,214Contacts tracked
668Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest information security consultancy services based in South Africa

Ranked by team size
Top 25 of 330 information security consultancy services 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 information security consultancy services: 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
3Indirect evidenceJohannesburg, South AfricaHQ checked Sep 21, 202611-5063 contacts →

Indirect evidence

“GRIPP Advisory provides boutique advisory and consulting services to its clients.”

Source: RevenueBase Database · checked Sep 21, 2026
4Partial 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
5Indirect evidenceRosebank, South AfricaHQ checked Sep 21, 202651-20056 contacts →

Indirect evidence

“At Mobius, we believe organisations cannot accelerate their digital journey without trust.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceDurban, South AfricaHQ checked Sep 21, 202651-20055 contacts →

Indirect evidence

“BC Technologies, is a proudly South African company specialising in IT Consulting, Specialised support services, and Technology solutions for modern businesses.”

Source: RevenueBase Database · checked Sep 21, 2026
7Partial evidenceNorthwold, South AfricaHQ checked Sep 21, 202651-20040 contacts →

Partial evidence

“Business Management Solutions, CCTV Security, Access control, Cyber security and Forensic Auditing, Electrical Audio Visual, Marketing and Commercial TV Solutions Business…”

Source: RevenueBase Database · checked Sep 21, 2026
8Partial 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
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 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
11Partial evidenceJohannesburg, South AfricaHQ checked Sep 21, 202611-5025 contacts →

Partial evidence

“Executive Solutions is a leading ICT System Integrator and Security provider, who has continued to deliver dynamic, cost-effective solutions to business for over 20 years.”

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
14Partial evidenceDurban, South AfricaHQ checked Sep 21, 202651-20022 contacts →

Partial 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
15Strong evidenceSandton, South AfricaHQ checked Sep 21, 202611-5021 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceCape Town, South AfricaHQ checked Sep 21, 202611-5020 contacts →

Indirect evidence

“We assist clients to align their systems with the strategic objectives of the business.”

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

Strong evidence

“Symbiosys IT is a global IT solutions and integrations consultancy delivering award-winning services in identity security, cloud management, cybersecurity, migration, database…”

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

Strong evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
19Partial 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
20Indirect 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
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, 202651-20016 contacts →

Indirect evidence

“The Open Water Group of companies was established to create a unique risk focused group to service the requirements of organizations who experience new and unforeseen challenges…”

Source: RevenueBase Database · checked Sep 21, 2026
25Partial evidenceSandton, South AfricaHQ checked Sep 21, 20261-1016 contacts →

Partial 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 21, 2026

Showing 25 of 330 information security consultancy services based in South Africa

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 668 reachable decision-makers.

Free signup · no credit card

View the full list →

Information security consultancy services based in South Africa at a glance

As of Sep 21, 2026
30.2%Verified-email coverage
6.7Average contacts per company
1-10Median size (employees)
29.1%Largest-city concentration · Johannesburg
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
203
11-50
102
51-200
21
201-500
2
501-1,000
2

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 330 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 information security consultancy services, 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 “information security consultancy services”. 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 information security consultancy services), 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 information security consultancy services, 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, 668 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.

Information security consultancy services by metro

  • Information security consultancy services in Johannesburg96
  • Information security consultancy services in Cape Town55

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 information security consultancy services, 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 information security consultancy services are there based in South Africa?

RevenueBase identified 330 information security consultancy services 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 information security consultancy services?

Johannesburg leads with 96 headquartered companies, followed by Cape Town (55) and Sandton (23).

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 668 verified decision-maker contacts tracked across these 330 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.

Ready to reach these companies? Verified emails and direct dials for all 330 information security consultancy services based in South Africa. Start with a free account, no credit card.

Download this list →

Related lists

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.