Company lists · Data verified August 2026

Top 25 Custom software development companies based in South Africa

Name: Custom software development 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 764 companies tracked

There are 764 custom software development companies headquartered in South Africa (RevenueBase, August 2026). RevenueBase tracks 5,763 professional contacts across them, including 2,086 with verified work emails and 247 with mobile numbers. Johannesburg is the largest hub.

This list covers custom software development 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.

764Companies

5,763Contacts tracked

2,086Verified emails

247Mobile numbers

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The 25 largest custom software development companies based in South Africa

Ranked by team size

Top 25 of 764 custom software development 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	Retro Rabbit Smartek21	Pretoria	201-500	205	124
2	Appventurez	Johannesburg Northgate	201-500	196	53
3	Agile Bridge	Pretoria	51-200	165	108
4	scrums.com	Johannesburg	201-500	162	59
5	Dariel	Cape Town	51-200	156	116
6	Stixis Technologies	Johannesburg	201-500	156	36
7	Maxtra Technologies PVT LTD	Cape Town	51-200	120	4
8	Full Stack	Milnerton	51-200	110	4
9	Gendac Software, Innovations & IOT	Pretoria	51-200	100	72
10	ITQ Business Solutions PTY LTD	Midrand	201-500	84	51
11	Platform45	Johannesburg	51-200	80	58
12	Glucode	Johannesburg	51-200	76	41
13	Bitcube	Cape Town	51-200	71	33
14	The Gemini Solution	Cape Town	51-200	66	62
15	Headbyte	Cape Town	51-200	57	29
16	Mayura Consultancy Services	Lone Hill	51-200	57	20
17	KRS Khanyisa Real Systems	Cape Town	51-200	56	34
18	I1 Solutions	Midrand	51-200	50	34
19	Open Vantage	Johannesburg	51-200	44	30
20	DAC Systems	Centurion	51-200	44	26
21	Enviro365 IT Solutions	Centurion	11-50	43	26
22	Lalandi Conclusion	Cape Town	51-200	40	28
23	PEPLA	City Of Tshwane	11-50	39	23
24	Neametrics PTY LTD	Johannesburg	11-50	30	2
25	Techzarlogy	Cape Town	11-50	29	15

Showing 25 of 764 custom software development companies based in South Africa

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Custom software development companies based in South Africa at a glance

As of Aug 28, 2026

1-10Median size (employees)

JohannesburgLargest hub · 170 HQs

247Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

515

11-50

206

51-200

201-500

Custom software development companies by metro

Metro	Companies
Custom software development companies in Johannesburg	170
Custom software development companies in Cape Town	132
Custom software development companies in Pretoria	77
Custom software development companies in Centurion	34
Custom software development companies in Sandton	33
Custom software development companies in Durban	25
Custom software development companies in Midrand	18
Custom software development companies in Randburg	14

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 “custom software development 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; 4 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 custom software development companies are there based in South Africa?

There are 764 custom software development companies headquartered in South Africa as of August 2026 (RevenueBase).

What is the largest company on this list?

Retro Rabbit Smartek21, headquartered in Pretoria, tops this list with the largest team on record.

Which city has the most custom software development companies?

Johannesburg leads with 170 headquartered companies, followed by Cape Town (132) and Pretoria (77).

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 2,086 verified decision-maker contacts tracked across these 764 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.