Company lists · Data verified August 2026

Top 20 Big data companies based in Johannesburg, South Africa

Name: Big data companies based in Johannesburg, South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 33 companies tracked

The Johannesburg big data companies list contains 33 companies, 347 business contacts, and 185 email addresses. It is updated for August 2026, and Johannesburg is the single most-represented city among the companies on the list.

Big data companies provide platforms, software, or services for collecting, storing, processing, managing, and analyzing large or complex datasets. This list covers companies that provide big data platforms, software, infrastructure, analytics, consulting, or related services. Ranked by team size, largest first. Data current as of August 28, 2026.

33Companies

347Contacts tracked

185Verified emails

15Mobile numbers

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The 20 largest big data companies based in Johannesburg, South Africa

Ranked by team size

Top 20 of 33 big data companies based in Johannesburg, 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	Data Sciences Corporation	Johannesburg	51-200	78	59
2	Calybre	Johannesburg	51-200	68	28
3	Opti-Num Solutions	Johannesburg	51-200	48	35
4	Enterpriseworx	Johannesburg	11-50	24	12
5	Blue Pearl HQ	Johannesburg	11-50	23	9
6	Maestro Consulting	Johannesburg	11-50	23	7
7	Dotmodus	Johannesburg	51-200	17	3
8	Infoflow PTY LTD	Johannesburg	11-50	14	13
9	Select Sifiso	Johannesburg	1-10	8	3
10	The 42 Company	Johannesburg	1-10	4	4
11	Modenit	Johannesburg	1-10	4	2
12	Databased Solutions	Johannesburg	1-10	4	1
13	Nexdata Solutions	Johannesburg	1-10	4	1
14	Analytics Group	Johannesburg	51-200	3	1
15	Vankorp	Johannesburg	1-10	2	1
16	Zikota Consulting PTY LTD	Johannesburg	11-50	1	1
17	Status Data	Johannesburg	1-10	1	1
18	Panoptix PTY LTD	Johannesburg	1-10	1	1
19	Datagroup Holdings	Johannesburg	1-10	1	1
20	SYEOP	Johannesburg	1-10	1	1

Showing 20 of 33 big data companies based in Johannesburg, South Africa

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Big data companies based in Johannesburg, South Africa at a glance

As of Aug 28, 2026

1-10Median size (employees)

JohannesburgLargest hub · 33 HQs

15Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Big data companies by metro in South Africa

Metro	Companies
Big data companies in Johannesburg	33
Big data companies in Cape Town	25
Big data companies in Pretoria	9
Big data companies in City Of Tshwane	2
Big data companies in Alberton	2
Big data companies in Africa	2
Big data companies in Centurion	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 “big data companies”, with match quality audited by blind human judging, and headquartered in Johannesburg, 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; 1 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

What are big data companies?

Big data companies provide platforms, software, or services for collecting, storing, processing, managing, and analyzing large or complex datasets.

How many big data companies are in the Johannesburg list?

The list includes 33 big data companies based in Johannesburg, South Africa, along with 347 business contacts and 185 email addresses.

Where are big data companies located?

The list includes companies based in Johannesburg, South Africa, with Johannesburg as the single most-represented city among the companies on the list.

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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.