Company lists · Data verified August 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 Verified Aug 28, 2026 85 companies tracked

There are 85 data center consulting firms headquartered in South Africa (RevenueBase, August 2026). RevenueBase 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. Data current as of August 28, 2026.

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 verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Calybre	Johannesburg	51-200	68	28
2	EAS	Midrand	51-200	57	14
3	BC Technologies	Cape Town	51-200	54	39
4	Innovative Knowledge Worx Ikworx	Johannesburg	11-50	48	3
5	RT Systems PTY LTD	Johannesburg	11-50	44	32
6	Idealsolution	Centurion	11-50	34	23
7	Techaccess	Johannesburg	11-50	31	15
8	Puleng Technologies PTY LTD	Johannesburg	51-200	31	1
9	Bios Data Center	Highveld Techno Park Centurion	11-50	27	10
10	Onezero Consulting	Rosebank	11-50	26	16
11	Wires & Wireless	Johannesburg	11-50	23	7
12	Boatech	Midrand	1-10	16	6
13	Nbconsult, A Cyberlogic Company	Cape Town	11-50	15	2
14	Intellitech Systems PTY LTD	Johannesburg	11-50	13	6
15	Edgeconnect	Durban	11-50	12	11
16	Chronologic	Johannesburg	11-50	11	5
17	Itgility	Midrand	11-50	10	8
18	Elitehost	Cape Town	1-10	9	8
19	PC Services	Stellenbosch	11-50	9	1
20	Majestic Data PTY LTD	Pretoria	11-50	7	4
21	Clowdy	Bryanston	1-10	7	2
22	DEALT	Centurion	1-10	6	5
23	Perpetual Power Systems	Cape Town	11-50	6	2
24	Fifth Factor Technologies	Cape Town	11-50	5	2
25	Madonse Consulting Engineers	Bedfordview	1-10	4	3

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 Aug 28, 2026

1-10Median size (employees)

JohannesburgLargest hub · 25 HQs

19Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Data center consulting firms by metro

Metro	Companies
Data center consulting firms in Johannesburg	25
Data center consulting firms in Cape Town	16
Data center consulting firms in Midrand	6
Data center consulting firms in Centurion	4
Data center consulting firms in Pretoria	4
Data center consulting firms in Fourways	2
Data center consulting firms in Bryanston	2

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “data center consulting firms”, with match quality audited by blind human judging, and headquartered in South Africa.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

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

There are 85 data center consulting firms headquartered in South Africa as of August 2026 (RevenueBase).

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 is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.