Company lists · Data verified August 2026

Top 25 Big data companies based in South Africa

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 107 companies tracked

The South Africa big data companies list contains 107 companies, 845 business contacts, and 393 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.

107Companies

845Contacts tracked

393Verified emails

31Mobile numbers

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The 25 largest big data companies based in South Africa

Ranked by team size

Top 25 of 107 big data companies 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	Data Sciences Corporation	Johannesburg	51-200	78	59
2	Bitanium	Woodmead	11-50	73	48
3	Calybre	Johannesburg	51-200	68	28
4	Opti-Num Solutions	Johannesburg	51-200	48	35
5	Intellinexus	Bellville	51-200	37	21
6	29forward	Kapstadt	51-200	31	16
7	Slipstream Data	Cape Town	11-50	27	20
8	Datalab	Cape Town	11-50	25	19
9	Enterpriseworx	Johannesburg	11-50	24	12
10	Blue Pearl HQ	Johannesburg	11-50	23	9
11	Maestro Consulting	Johannesburg	11-50	23	7
12	Vantage Data	n/a	11-50	23	7
13	Canvas Intelligence	Rosebank	11-50	20	5
14	Dotmodus	Johannesburg	51-200	17	3
15	Itbusiness PTY LTD	Bryanston	11-50	15	12
16	Infoflow PTY LTD	Johannesburg	11-50	14	13
17	Northern Data	Cape Town	11-50	13	4
18	BUSII	Kenilworth	11-50	12	8
19	Youngblood Consultants	Midrand	11-50	11	8
20	Select Sifiso	Johannesburg	1-10	8	3
21	Quantalytics	Pretoria	11-50	7	3
22	Datawave	Sandton	11-50	7	2
23	Integrity Engineering ITE	Pretoria	11-50	6	1
24	Zela House	Randburg	1-10	5	2
25	The 42 Company	Johannesburg	1-10	4	4

Showing 25 of 107 big data companies based in South Africa

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Big data companies based in South Africa at a glance

As of Aug 28, 2026

1-10Median size (employees)

JohannesburgLargest hub · 33 HQs

31Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

5,001-10,000

Big data companies by metro

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 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; 6 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 South Africa list?

The list includes 107 big data companies based in South Africa, along with 845 business contacts and 393 email addresses.

Where are big data companies located?

The list includes companies based in 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.