Company lists · Data refreshed September 2026

Top 25 Computer services companies based in South Africa

Name: Computer services companies based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 515 companies tracked

RevenueBase identified 515 computer services companies headquartered in South Africa as of September 2026 and tracks 3,491 professional contacts across them, including 971 with verified work emails. Johannesburg is the largest hub.

This list covers computer services 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 19, 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 19, 2026 86% judged on-target in blind review

515Companies

3,491Contacts tracked

971Verified emails

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The 25 largest computer services companies based in South Africa

Ranked by team size

Top 25 of 515 computer services companies based in South Africa, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to computer services companies: 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	TCM	Indirect evidence	Sandton, South AfricaHQ checked Sep 19, 2026	1,001-5,000	1,081 contacts →
	Indirect evidence “Established in 1987, TCM possesses the expertise, experience and agility to meet customers' IT requirements and adapt in an ever-changing economic and corporate climate, through…” Source: RevenueBase Database · checked Sep 19, 2026
2	Silicon Overdrive	Indirect evidence	Cape Town, South AfricaHQ checked Sep 19, 2026	51-200	89 contacts →
	Indirect evidence “Founded in 1995 by a team of dedicated techies, fuelled by all things innovative and exciting in the world of technology, Silicon Overdrive’s driving force has always been to…” Source: RevenueBase Database · checked Sep 19, 2026
3	Dial A Nerd	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 19, 2026	51-200	75 contacts →
	Indirect evidence “Dial a Nerd is an IT support company dedicated to businesses.” Source: RevenueBase Database · checked Sep 19, 2026
4	Elcb Information Services PTY LTD	Indirect evidence	East London, South AfricaHQ checked Sep 19, 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 19, 2026
5	Rubiblue Information Technology Solutions PTY LTD	Indirect evidence	Sandton, South AfricaHQ checked Sep 19, 2026	11-50	37 contacts →
	Indirect evidence “RUBIBLUE is a Leading Infomation Technology Company committed to providing companies with professional, quality and affordable IT Solutions.” Source: RevenueBase Database · checked Sep 19, 2026
6	Baseline IT	Indirect evidence	Moreleta Park, South AfricaHQ checked Sep 19, 2026	11-50	35 contacts →
	Indirect evidence “Baseline IT's mission is to create, package, deliver and support high quality, low cost and inspired technology solutions.” Source: RevenueBase Database · checked Sep 19, 2026
7	Wire Speed Systems	Indirect evidence	Randburg, South AfricaHQ checked Sep 19, 2026	11-50	35 contacts →
	Indirect evidence “Wire Speed Systems provides a Professional IT management and support service specifically aimed at small to medium-sized enterprises.” Source: RevenueBase Database · checked Sep 19, 2026
8	Brainwave Projects	Indirect evidence	Cape Town, South AfricaHQ checked Sep 19, 2026	n/a	35 contacts →
	Indirect evidence “Network support.” Source: RevenueBase Database · checked Sep 19, 2026
9	4tech IT Solutions	Indirect evidence	Port Elizabeth, South AfricaHQ checked Sep 19, 2026	11-50	32 contacts →
	Indirect evidence “4Tech IT Solutions is a Port Elizabeth based Information Technology solutions provider.” Source: RevenueBase Database · checked Sep 19, 2026
10	Tenacit Solutions	Indirect evidence	Port Elizabeth, South AfricaHQ checked Sep 19, 2026	11-50	30 contacts →
	Indirect evidence “MSP, MSSP, Enterprise ISP focused around holistic approach to IT, and providing specialized services for clients, and products to other IT companies.” Source: RevenueBase Database · checked Sep 19, 2026
11	Landynamix	Indirect evidence	Sandton, South AfricaHQ checked Sep 19, 2026	11-50	29 contacts →
	Indirect evidence “Established in 2006 by Peter Clarke, LanDynamix provides managed services in the information and communications technology environment, where our areas of specialisation are…” Source: RevenueBase Database · checked Sep 19, 2026
12	Preferred Solutions	Indirect evidence	Somerset West, South AfricaHQ checked Sep 19, 2026	11-50	28 contacts →
	Indirect evidence “Preferred Solutions provides innovative accounting and business administration solutions and support to small and medium businesses by highly trained professionals.” Source: RevenueBase Database · checked Sep 19, 2026
13	DBS Technology	Indirect evidence	Northcliff, South AfricaHQ checked Sep 19, 2026	11-50	28 contacts →
	Indirect evidence “About DBS Technology Founded in 2001, DBS Technology is a South African IT solutions and support provider specialising in delivering reliable, end-to-end technology services for…” Source: RevenueBase Database · checked Sep 19, 2026
14	Synergy Group PTY LTD	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 19, 2026	51-200	27 contacts →
	Indirect evidence “Synergy Group (Pty) Ltd is a complete business solutions provider; from network maintenance, managed services and ITS to ERP solutions and support.” Source: RevenueBase Database · checked Sep 19, 2026
15	IT Evolution PTY LTD	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 19, 2026	11-50	24 contacts →
	Indirect evidence “IT Evolution is an IT support company based in Randburg, Johannesburg.” Source: RevenueBase Database · checked Sep 19, 2026
16	Gentron Group	Indirect evidence	Centurion, South AfricaHQ checked Sep 19, 2026	11-50	24 contacts →
	Indirect evidence “Gentron was founded in 1992 and has since become one of South Africa’s leading providers of hardware, software and managed services as IT outsourcing has grown in popularity.” Source: RevenueBase Database · checked Sep 19, 2026
17	IT Trust	Indirect evidence	Midrand, South AfricaHQ checked Sep 19, 2026	11-50	23 contacts →
	Indirect evidence “IT Trust is a South African managed IT services provider established in 2006.” Source: RevenueBase Database · checked Sep 19, 2026
18	Siyaya Phambili Technology Solutions	Indirect evidence	Sandton, South AfricaHQ checked Sep 19, 2026	11-50	22 contacts →
	Indirect evidence “Siyaya Phambili Technology Solutions is an Information Technology and Services company located in South Africa.” Source: RevenueBase Database · checked Sep 19, 2026
19	CMS IT	Indirect evidence	Durban, South AfricaHQ checked Sep 19, 2026	1-10	22 contacts →
	Indirect evidence “CMS is an IT consulting company based in Durban, South Africa providing IT solutions to Businesses, Schools & NPO's in South Africa.” Source: RevenueBase Database · checked Sep 19, 2026
20	Picksmart	Indirect evidence	Pretoria, South AfricaHQ checked Sep 19, 2026	11-50	19 contacts →
	Indirect evidence “Software Development and Web-based Solutions Specialists based in Faerie Glen, Pretoria.” Source: RevenueBase Database · checked Sep 19, 2026
21	SIE Solutions	Indirect evidence	Gauteng, South AfricaHQ checked Sep 19, 2026	11-50	19 contacts →
	Indirect evidence “SIE SOLUTIONS At SIE Solutions, we help businesses eliminate I.T.” Source: RevenueBase Database · checked Sep 19, 2026
22	FPC	Indirect evidence	Magalieskruin, South AfricaHQ checked Sep 19, 2026	11-50	18 contacts →
	Indirect evidence “FPC is a leading end to end business solutions provider with innovative solutions and a comprehensive portfolio.” Source: RevenueBase Database · checked Sep 19, 2026
23	Itqulate	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 19, 2026	51-200	18 contacts →
	Indirect evidence “We are a company that offers : IT Support Services \| Development \| Strategies and Implementations \| That will accelerate your growth and guarantee you operational efficiency.” Source: RevenueBase Database · checked Sep 19, 2026
24	UT Information Technologies	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 19, 2026	51-200	18 contacts →
	Indirect evidence “We provide holistic IT Services and Solutions through our national footprint of highly competent engineers.” Source: RevenueBase Database · checked Sep 19, 2026
25	Artibeus IT	Indirect evidence	Cape Town, South AfricaHQ checked Sep 19, 2026	11-50	18 contacts →
	Indirect evidence “Artibeus IT offers a complete proactive Managed IT Support Service.” Source: RevenueBase Database · checked Sep 19, 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: computer services 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 computer services companies.
Partial evidence: Its own public description names part of computer services companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name computer services 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 25 of 515 computer services companies based in South Africa

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Computer services companies based in South Africa at a glance

As of Sep 19, 2026

27.8%Verified-email coverage

6.8Average contacts per company

1-10Median size (employees)

16.9%Largest-city concentration · Johannesburg

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

357

11-50

141

51-200

201-500

501-1,000

1,001-5,000

10001+

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 515 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 computer services 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 “computer services 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 computer services 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 computer services 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, 971 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 19, 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.

Computer services 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 computer services 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 computer services companies are there based in South Africa?

RevenueBase identified 515 computer services 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?

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

Which city has the most computer services companies?

Johannesburg leads with 87 headquartered companies, followed by Cape Town (61) and Pretoria (46).

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 971 verified decision-maker contacts tracked across these 515 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 19, 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.