Company lists · Data verified August 2026

Top 25 Data science consulting companies based in South Africa

Name: Data science consulting 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 215 companies tracked

There are 215 data science consulting companies headquartered in South Africa (RevenueBase, August 2026). RevenueBase tracks 1,447 professional contacts across them, including 543 with verified work emails and 60 with mobile numbers. Johannesburg is the largest hub.

This list covers data science consulting companies 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.

215Companies

1,447Contacts tracked

543Verified emails

60Mobile numbers

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The 25 largest data science consulting companies based in South Africa

Ranked by team size

Top 25 of 215 data science consulting 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	Business Science Corporation	Johannesburg	51-200	147	103
2	Principa	Cape Town	51-200	80	26
3	Calybre	Johannesburg	51-200	68	28
4	Sambe Consulting	Johannesburg	11-50	60	27
5	Opti-Num Solutions	Johannesburg	51-200	48	35
6	SYTE	Norwood	11-50	44	19
7	Intellinexus	Bellville	51-200	37	21
8	Expeditus PTY LTD	Bryanston	11-50	36	20
9	Ascent Technology	Sandown	51-200	32	18
10	29forward	Kapstadt	51-200	31	16
11	Datalab	Cape Town	11-50	25	19
12	Analytix Engine	Johannesburg	11-50	25	14
13	Blue Pearl HQ	Johannesburg	11-50	23	9
14	Maestro Consulting	Johannesburg	11-50	23	7
15	Vantage Data	n/a	11-50	23	7
16	T7c	Sandton	51-200	17	4
17	Dotmodus	Johannesburg	51-200	17	3
18	Synapse Junction	Johannesburg	11-50	16	11
19	Infoflow PTY LTD	Johannesburg	11-50	14	13
20	Vito Solutions	Cape Town	11-50	14	3
21	Insight Consulting	n/a	51-200	14	2
22	Northern Data	Cape Town	11-50	13	4
23	BUSII	Kenilworth	11-50	12	8
24	71point4	Cape Town	11-50	11	9
25	AZ Consulting	Cape Town	11-50	11	1

Showing 25 of 215 data science consulting companies based in South Africa

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 543 reachable decision-makers.

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Data science consulting companies based in South Africa at a glance

As of Aug 28, 2026

1-10Median size (employees)

JohannesburgLargest hub · 64 HQs

60Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

138

11-50

51-200

201-500

Data science consulting companies by metro

Metro	Companies
Data science consulting companies in Johannesburg	64
Data science consulting companies in Cape Town	55
Data science consulting companies in Pretoria	16
Data science consulting companies in Randburg	5
Data science consulting companies in Midrand	4
Data science consulting companies in Sandton	4
Data science consulting companies in Bryanston	3

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 science consulting 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; 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

How many data science consulting companies are there based in South Africa?

There are 215 data science consulting companies headquartered in South Africa as of August 2026 (RevenueBase).

What is the largest company on this list?

Business Science Corporation, headquartered in Johannesburg, tops this list with the largest team on record.

Which city has the most data science consulting companies?

Johannesburg leads with 64 headquartered companies, followed by Cape Town (55) and Pretoria (16).

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 543 verified decision-maker contacts tracked across these 215 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.