Company lists · Data refreshed September 2026
Top 25 Application security consulting firms based in South Africa
RevenueBase identified 82 application security consulting firms headquartered in South Africa as of September 2026 and tracks 346 professional contacts across them, including 127 with verified work emails. Johannesburg is the largest hub.
This list covers application security 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. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 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 25 largest application security consulting firms based in South Africa
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 15 contacts → | ||||
Indirect evidence “Silent Guardian is a cybersecurity firm based in Durban, South Africa.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 14 contacts → | ||||
Partial evidence “Whirly Labs (Pty) Ltd is a security consultancy based in Cape Town, South Africa.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 14 contacts → | ||||
Indirect evidence “Telspace Africa was established in 2002 by CEO Dino Covotsos, who is still Chairman of the Board.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 12 contacts → | ||||
Partial evidence “We specialize in cyber-security solutions, API management, AppSec(DevSecOps), modern enterprise integrations (ESB, microservices, event based architectures) across different…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 10 contacts → | ||||
Partial evidence “Telic is an information security consultancy founded in Johannesburg, South Africa in 2006.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 9 contacts → | ||||
Indirect evidence “Cybersecurity for SMEs That Can’t Afford Downtime.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 8 contacts → | ||||
Indirect evidence “Founded from humble beginnings in 2012,our company has grown from strength to strength.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 8 contacts → | ||||
Strong evidence “9TH BIT Consulting is Your partner in Information Technology Integration, Middleware, SOA, Microservices / API's, DevSecOps, Security and related Solutions and Services.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 6 contacts → | ||||
Indirect evidence “Did you know 60% of businesses close within six months of a cyber attack?” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 5 contacts → | ||||
Strong evidence “Premier IT Audit and Consulting Services At Carbon Vector, we specialize in IT consulting with a focus on IT audits, security, privacy, and risk management.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 contacts → | ||||
Indirect evidence “The average person spends more than hours in their lifetime at work, and last time we checked, that's a lot.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 5 contacts → | ||||
Indirect evidence “Cyber Offsec is an innovative offensive cybersecurity firm specializing in penetration testing, vulnerability management, and purple team operations.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 15 | 5 contacts → | ||||
Strong evidence “Bantima Cyber Security is a consulting services and information security solutions company.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Partial evidence “In today’s fast-paced and ever-evolving business landscape, NavegTech is your trusted partner in navigating the complexities of IT and Cyber Security.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 contacts → | ||||
Partial evidence “At CyberXperts we are all about delivering exceptional and top-class Information and Cyber Security Solutions to our valued clients.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 18 | 3 contacts → | ||||
Indirect evidence “Founded in 2008, we are committed to helping organizations identify and mitigate cyber threats, safeguard sensitive information, and maintain regulatory compliance.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Partial evidence “At Revolution Development SA and Consulting, we believe that your IT requirements / solutions should be supported by experienced professionals.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Indirect evidence “Part time - Training for graduates” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Partial evidence “Emerging into the security technology arena during the height of the Covid-19 global pandemic in 2020, ElementC Solutions (Pty) Ltd offered a market in chaos, an independent…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Partial evidence “Seraph Cyber Security is a South African company specializing in providing cyber security advice and protection to organizations through risk, vulnerability and gap assessments.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Partial evidence “ProQuanta specializes in bespoke development, security, cloud & enterprise architecture as well as DevSecOps, agile transformation and agile coaching.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Indirect evidence “A South Africa's premier provider of IT and Cybersecurity Services.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Indirect evidence “Cyres is a leading provider of innovative cybersecurity solutions designed to protect businesses of all sizes from the ever-evolving threat landscape.” Source: RevenueBase Database · checked Sep 14, 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: application security consulting firms. 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 application security consulting firms.
- Partial evidence
- Its own public description names part of application security consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name application security consulting firms. 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 25 of 82 application security consulting firms based in South Africa
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 127 reachable decision-makers.
Free signup · no credit card
Application security consulting firms based in South Africa at a glance
As of Sep 14, 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 82 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 application security consulting firms, 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 “application security consulting firms”. 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 application security consulting firms), 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 application security consulting firms, 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, 127 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 14, 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.
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 application security consulting firms, 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 application security consulting firms are there based in South Africa?
RevenueBase identified 82 application security consulting firms 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?
Integrity360 WAS Redshift Cyber Security, headquartered in Bryanston, tops this list with the largest team on record.
Which city has the most application security consulting firms?
Johannesburg leads with 20 headquartered companies, followed by Cape Town (15) and Pretoria (8).
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 127 verified decision-maker contacts tracked across these 82 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 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 82 application security consulting firms based in South Africa. Start with a free account, no credit card.
Download this list →Related lists
Application security consulting firms by geography
- Application security consulting firms based in the United States
- Application security consulting firms based in the United Kingdom
- Application security consulting firms based in Canada
- Application security consulting firms based in France
- Application security consulting firms based in Germany
- Application security consulting firms based in Brazil
- Application security consulting firms based in Australia
- Application security consulting firms based in the Netherlands
- Application security consulting firms based in Spain
- Application security consulting firms based in Italy
- Application security consulting firms based in Mexico
- Application security consulting firms based in Israel
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Application security consulting firms based in the United States
- Application security consulting firms based in the United Kingdom
- Application security consulting firms based in Canada
- Application security consulting firms based in France
- Application security consulting firms based in Germany
- Application security consulting firms based in Brazil