Company lists · Data refreshed September 2026

Top 25 Data center consulting firms based in South Africa

Name: Data center 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 1, 2026 85 companies tracked

RevenueBase identified 85 data center consulting firms headquartered in South Africa as of September 2026 and tracks 774 professional contacts across them, including 267 with verified work emails and 19 with mobile numbers. Johannesburg is the largest hub.

This list covers data center 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 1, 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 RevenueBase Smart Search rating on every row Refreshed Sep 1, 2026 86% judged on-target in blind review

85Companies

774Contacts tracked

267Verified emails

19Mobile numbers

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The 25 largest data center consulting firms based in South Africa

Ranked by team size

Top 25 of 85 data center consulting firms based in South Africa, ranked by team size, largest first. Data refreshed Sep 1, 2026. RevenueBase Smart Search rates how each company's information relates to data center 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	Calybre	Partial evidence	Johannesburg, South Africa	51-200	68 contacts →
	Partial evidence “Calybre is a rapidly growing global company focused on building a passionate team of excellent technology-agnostic data consultants across the full range of the data domain.” Source: RevenueBase Database · checked Sep 1, 2026
2	EAS	Partial evidence	Midrand, South Africa	51-200	57 contacts →
	Partial evidence “An IT infrastructure consulting company that assists organisations in transforming to the next generation IT infrastructure.” Source: RevenueBase Database · checked Sep 1, 2026
3	BC Technologies	Partial evidence	Cape Town, South Africa	51-200	54 contacts →
	Partial 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 1, 2026
4	Innovative Knowledge Worx Ikworx	Partial evidence	Johannesburg, South Africa	11-50	48 contacts →
	Partial evidence “IKWorx offers a portfolio of consulting and professional services.” Source: RevenueBase Database · checked Sep 1, 2026
5	RT Systems PTY LTD	Indirect evidence	Johannesburg, South Africa	11-50	44 contacts →
	Indirect evidence “Established in to cater for the growing need of many businesses for the continuous monitoring of their IT support infrastructure.” Source: RevenueBase Database · checked Sep 1, 2026
6	Idealsolution	Indirect evidence	Centurion, South Africa	11-50	34 contacts →
	Indirect evidence “At IdealSolution, understanding the business problem always comes first.” Source: RevenueBase Database · checked Sep 1, 2026
7	Techaccess	Strong evidence	Johannesburg, South Africa	11-50	31 contacts →
	Strong evidence “TechAccess is a services and solutions orientated company in the IT sector with a strong focus on the data centre industry.” Source: RevenueBase Database · checked Sep 1, 2026
8	Puleng Technologies PTY LTD	Indirect evidence	Johannesburg, South Africa	51-200	31 contacts →
	Indirect evidence “Puleng Technologies (PTY) Ltd, is proudly a Level 1 BEE contributor.” Source: RevenueBase Database · checked Sep 1, 2026
9	Bios Data Center	Strong evidence	Highveld Techno Park Centurion, South Africa	11-50	27 contacts →
	Strong evidence “When Bios Data Center was founded by innovative, social entrepreneurs, the vision was established to transform the local and global business world through leading technological…” Source: RevenueBase Database · checked Sep 1, 2026
10	Onezero Consulting	Indirect evidence	Rosebank, South Africa	11-50	26 contacts →
	Indirect evidence “Since our inception in 2010, we coined the term Greenovative and have aimed to be pioneers in the electrical and electronic building.” Source: RevenueBase Database · checked Sep 1, 2026
11	Wires & Wireless	Indirect evidence	Johannesburg, South Africa	11-50	23 contacts →
	Indirect evidence “Since 2001, Wires & Wireless has specialised in the design, delivery and long-term support of critical IT infrastructure environments across South Africa.” Source: RevenueBase Database · checked Sep 1, 2026
12	Boatech	Indirect evidence	Midrand, South Africa	1-10	16 contacts →
	Indirect evidence “Technology is at the core of every business in today's digitally connected world.” Source: RevenueBase Database · checked Sep 1, 2026
13	Nbconsult, A Cyberlogic Company	Indirect evidence	Cape Town, South Africa	11-50	15 contacts →
	Indirect evidence “NBConsult has been a Microsoft partner since 2007.” Source: RevenueBase Database · checked Sep 1, 2026
14	Intellitech Systems PTY LTD	Indirect evidence	Johannesburg, South Africa	11-50	13 contacts →
	Indirect evidence “We are a passionate and driven IT Infrastructure company with specialist skills in Cloud, Networking, Datacenter, Security and Managed Support Services.” Source: RevenueBase Database · checked Sep 1, 2026
15	Edgeconnect	Indirect evidence	Durban, South Africa	11-50	12 contacts →
	Indirect evidence “At EDGECONNECT we understand that there is no such thing as ‘one size fits all’.” Source: RevenueBase Database · checked Sep 1, 2026
16	Chronologic	Indirect evidence	Johannesburg, South Africa	11-50	11 contacts →
	Indirect evidence “At Chronologic, we help ambitious businesses turn technology into a strategic advantage.” Source: RevenueBase Database · checked Sep 1, 2026
17	Itgility	Indirect evidence	Midrand, South Africa	11-50	10 contacts →
	Indirect evidence “ITgility is a South African-based IT solutions provider specialising in consultative-led architecture, modern infrastructure, cybersecurity, hybrid cloud, and enterprise platform…” Source: RevenueBase Database · checked Sep 1, 2026
18	Elitehost	Indirect evidence	Cape Town, South Africa	1-10	9 contacts →
	Indirect evidence “Elitehost, founded in July 2005, is a small privately owned company based in Johannesburg, South Africa.” Source: RevenueBase Database · checked Sep 1, 2026
19	PC Services	Indirect evidence	Stellenbosch, South Africa	11-50	9 contacts →
	Indirect evidence “Our business was founded in 1991 in a partnership.” Source: RevenueBase Database · checked Sep 1, 2026
20	Majestic Data PTY LTD	Indirect evidence	Pretoria, South Africa	11-50	7 contacts →
	Indirect evidence “Since 1997 our DNA has evolved, creating an understanding of our place in this world and the value we can add to assist humanity on their journey towards success.” Source: RevenueBase Database · checked Sep 1, 2026
21	Clowdy	Indirect evidence	Bryanston, South Africa	1-10	7 contacts →
	Indirect evidence “At clowdy, we specialize in providing end-to-end cloud-based solutions that enable business to leverage the power of the cloud to transform their operations.” Source: RevenueBase Database · checked Sep 1, 2026
22	DEALT	Indirect evidence	Centurion, South Africa	1-10	6 contacts →
	Indirect evidence “Our value proposition lies in our more than 20 years’ experience in creating and maintaining highly available systems that are tailored to deliver on our customer’s business needs.” Source: RevenueBase Database · checked Sep 1, 2026
23	Perpetual Power Systems	Strong evidence	Cape Town, South Africa	11-50	6 contacts →
	Strong evidence “Design, Implementation, Installation Turnkey Data Centre Solutions, Commissioning and handover.” Source: RevenueBase Database · checked Sep 1, 2026
24	Fifth Factor Technologies	Indirect evidence	Cape Town, South Africa	11-50	5 contacts →
	Indirect evidence “Fifth Factor Technologies is a specialized ICT service provider focusing on High-level Professional IT Support.” Source: RevenueBase Database · checked Sep 1, 2026
25	Madonse Consulting Engineers	Partial evidence	Bedfordview, South Africa	1-10	4 contacts →
	Partial evidence “Electrical Consulting Company Specialising in a wide range of services ranging from design, implementation and project administration from building services (Electrical and…” Source: RevenueBase Database · checked Sep 1, 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: data center 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 data center consulting firms.
Partial evidence: Its own public description names part of data center consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name data center 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 85 data center consulting firms based in South Africa

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Data center consulting firms based in South Africa at a glance

As of Sep 1, 2026

34.5%Verified-email coverage

2.5%Mobile-number coverage

9.1Average contacts per company

1-10Median size (employees)

29.4%Largest-city concentration · Johannesburg

Sep 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 data center 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 “data center 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 data center 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 data center 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, 267 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 1, 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.

Data center consulting firms by metro

Data center consulting firms in Johannesburg25

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 data center 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 data center consulting firms are there based in South Africa?

RevenueBase identified 85 data center 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?

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

Which city has the most data center consulting firms?

Johannesburg leads with 25 headquartered companies, followed by Cape Town (16) and Midrand (6).

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 267 verified decision-maker contacts tracked across these 85 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 1, 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.