Company lists · Data refreshed September 2026

Top 25 Defense IT consulting firms based in South Africa

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 245 companies tracked

RevenueBase identified 245 defense IT consulting firms headquartered in South Africa as of September 2026 and tracks 1,803 professional contacts across them, including 602 with verified work emails. Johannesburg is the largest hub.

This list covers defense IT 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 28, 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 28, 2026 86% judged on-target in blind review

245Companies

1,803Contacts tracked

602Verified emails

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The 25 largest defense IT consulting firms based in South Africa

Ranked by team size

Top 25 of 245 defense IT consulting firms based in South Africa, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to defense IT consulting firms: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	BUI	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	51-200	251 contacts →
	Indirect evidence “BUI is an award-winning global technology consultancy delivering cloud, security, networking and managed services from offices in South Africa, East Africa, the United Kingdom…” Source: RevenueBase Database · checked Sep 28, 2026
2	Elcb Information Services PTY LTD	Indirect evidence	East London, South AfricaHQ checked Sep 28, 2026	51-200	71 contacts →
	Indirect evidence “ELCB has achieved decades of success, sustaining growth and a measurable high standard of service delivery.” Source: RevenueBase Database · checked Sep 28, 2026
3	Lerumo	Partial evidence	Centurion, South AfricaHQ checked Sep 28, 2026	51-200	65 contacts →
	Partial evidence “Lerumo was founded in 1993 as Information and Logistic Consultancy (ILC) offering services in Defence Engineering and Weapon System Management.” Source: RevenueBase Database · checked Sep 28, 2026
4	Aves Cyber Security	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	51-200	62 contacts →
	Indirect evidence “AVeS Cyber Security forms part of the AVeS Cyber International group of companies.” Source: RevenueBase Database · checked Sep 28, 2026
5	BC Technologies	Strong evidence	Durban, South AfricaHQ checked Sep 28, 2026	51-200	55 contacts →
	Strong 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 28, 2026
6	Sourceworx	Partial evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	51-200	50 contacts →
	Partial evidence “SOURCEWORX provides IT solutions that are tailored to suit the unique needs of any organization.” Source: RevenueBase Database · checked Sep 28, 2026
7	Network Alliance	Indirect evidence	Centurion, South AfricaHQ checked Sep 28, 2026	51-200	45 contacts →
	Indirect evidence “Network Alliance was created with a simple idea in mind: to deliver value-added, high-quality, and cost-effective Information Technology services and solutions to businesses…” Source: RevenueBase Database · checked Sep 28, 2026
8	Innovation HUB Group	Strong evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	11-50	35 contacts →
	Strong 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 28, 2026
9	Itec Communications	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	201-500	33 contacts →
	Indirect evidence “Office automation company” Source: RevenueBase Database · checked Sep 28, 2026
10	Waymark Infotech	Indirect evidence	Pretoria, South AfricaHQ checked Sep 28, 2026	11-50	31 contacts →
	Indirect evidence “Since 2003 we have established a reputation as a company that cements long standing partnerships with our clients.” Source: RevenueBase Database · checked Sep 28, 2026
11	Puleng Technologies PTY LTD	Indirect evidence	Bryanston, South AfricaHQ checked Sep 28, 2026	51-200	31 contacts →
	Indirect evidence “Puleng Technologies (PTY) Ltd, is proudly a Level 1 BEE contributor.” Source: RevenueBase Database · checked Sep 28, 2026
12	Hileya	Partial evidence	Standton, South AfricaHQ checked Sep 28, 2026	11-50	26 contacts →
	Partial evidence “Established in 2013, Hileya Management Consulting is a proudly South African Company and a Level 1 Broad-Based BEE contributor with one purpose: to help South Africa decrease the…” Source: RevenueBase Database · checked Sep 28, 2026
13	Executive Solutions	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	11-50	25 contacts →
	Indirect 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 28, 2026
14	Bitcrack Cyber Security	Indirect evidence	Sandton, South AfricaHQ checked Sep 28, 2026	11-50	23 contacts →
	Indirect evidence “Founded by highly experienced cyber security specialists in 2012.” Source: RevenueBase Database · checked Sep 28, 2026
15	Infoprotect SA	Partial evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	11-50	22 contacts →
	Partial 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 28, 2026
16	Iconis	Indirect evidence	Durban, South AfricaHQ checked Sep 28, 2026	51-200	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 28, 2026
17	The Cloud Crew	Indirect evidence	Cape Town, South AfricaHQ checked Sep 28, 2026	11-50	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 28, 2026
18	ONE Source ICT	Indirect evidence	Eldoraigne, South AfricaHQ checked Sep 28, 2026	11-50	20 contacts →
	Indirect evidence “One Source ICT is a dynamic and innovative technology company dedicated to providing cutting-edge solutions and services in the field of Information and Communication Technology…” Source: RevenueBase Database · checked Sep 28, 2026
19	NEO Technologies PTY LTD	Partial evidence	Centurion, South AfricaHQ checked Sep 28, 2026	11-50	18 contacts →
	Partial evidence “With over two decades of experience, we proudly serve South Africa's corporate, government, and educational sectors as a trusted IT and Security solutions provider.” Source: RevenueBase Database · checked Sep 28, 2026
20	Baagi Technology	Partial evidence	Pretoria, South AfricaHQ checked Sep 28, 2026	1-10	18 contacts →
	Partial evidence “Baagi Technology is a management consulting and technology services company.” Source: RevenueBase Database · checked Sep 28, 2026
21	Boatech	Indirect evidence	Midrand, South AfricaHQ checked Sep 28, 2026	1-10	17 contacts →
	Indirect evidence “Technology is at the core of every business in today's digitally connected world.” Source: RevenueBase Database · checked Sep 28, 2026
22	Clyrofor SA	Indirect evidence	Midrand, South AfricaHQ checked Sep 28, 2026	11-50	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 28, 2026
23	Tirisan Tech Solutions	Partial evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	11-50	17 contacts →
	Partial evidence “Tirisan Tech Solutions was established to provide leading edge intelligent technical solutions and consulting services such as software solutions, consulting services and…” Source: RevenueBase Database · checked Sep 28, 2026
24	Techex Digital Solutions	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	11-50	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 28, 2026
25	4levels	Strong evidence	Midrand, South AfricaHQ checked Sep 28, 2026	11-50	15 contacts →
	Strong evidence “4levels Solutions helps SA businesses grow with IT consulting, cloud services, cybersecurity, and digital transformation.” Source: RevenueBase Database · checked Sep 28, 2026

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: defense IT 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 defense IT consulting firms.
Partial evidence: Its own public description names part of defense IT consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name defense IT 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 245 defense IT consulting firms based in South Africa

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Defense IT consulting firms based in South Africa at a glance

As of Sep 28, 2026

33.4%Verified-email coverage

7.4Average contacts per company

1-10Median size (employees)

29.8%Largest-city concentration · Johannesburg

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

128

11-50

51-200

201-500

501-1,000

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 245 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 defense IT 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 “defense IT 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 defense IT 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 defense IT 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, 602 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 28, 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.

Defense IT consulting firms 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 defense IT 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 defense IT consulting firms are there based in South Africa?

RevenueBase identified 245 defense IT 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?

BUI, headquartered in Johannesburg, tops this list with the largest team on record.

Which city has the most defense IT consulting firms?

Johannesburg leads with 73 headquartered companies, followed by Cape Town (27) and Pretoria (19).

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 602 verified decision-maker contacts tracked across these 245 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 28, 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.