Company lists · Data refreshed September 2026
Top 25 Systems integration contractors based in South Africa
RevenueBase identified 210 systems integration contractors headquartered in South Africa as of September 2026 and tracks 2,452 professional contacts across them, including 665 with verified work emails. Johannesburg is the largest hub.
This list covers systems integration contractors headquartered in South Africa, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest systems integration contractors based in South Africa
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 140 contacts → | ||||
Indirect evidence “At three6five, IT is what we do best.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 108 contacts → | ||||
Indirect evidence “ISolve Business Solutions (Proprietary) Ltd.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 86 contacts → | ||||
Indirect evidence “In an ever-changing world of new technology, the Directech Group is leading the way towards an automated future.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 85 contacts → | ||||
Partial evidence “Unlocking Safety & Security, Seamlessly Integrated: Welcome to ISF SFP, where we redefine the landscape of safety and security through seamless integration and cutting-edge…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 82 contacts → | ||||
Indirect evidence “The Tipp Focus Group is a B-BBEE level 1 contributor, established in 2001.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 81 contacts → | ||||
Indirect evidence “MC Design & Contracting is a people-centred and client-focussed company specializing in industrial projects.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 80 contacts → | ||||
Indirect evidence “Since Masedi E&I Construction has built an impeccable reputation in the industry with an emphasis on Quality, Safety and Exceptional Service.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 74 contacts → | ||||
Indirect evidence “DeARX Services (Pty) Ltd, established in 2001, is a South African based company focused on providing Information Technology business solutions, products and consulting to…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 72 contacts → | ||||
Partial evidence “We are an Integrated Electronic Solutions Provider combining intelligence driven services and industry-leading technologies offering design, engineering, installation and system…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 58 contacts → | ||||
Indirect evidence “PCS Global (Pty) Ltd.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 46 contacts → | ||||
Strong evidence “Welcome to CSi - Control Systems Integration (Pty) Ltd- Your Trusted Digital Transformation Technology Partner!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 46 contacts → | ||||
Partial evidence “Westrocon is an SAP Platinum Partner – a global IT integrator and systems provider with a wide portfolio of products and services covering consulting, infrastructure…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 44 contacts → | ||||
Indirect evidence “4Sight OT Automation - previously known as AGE Technologies has been providing Electrical, Control and Instrumentation solutions for over 25 years to South African and global…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 36 contacts → | ||||
Indirect evidence “Intergro delivers bespoke business and financial solutions for medium to large enterprises, complete with comprehensive maintenance and support services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 34 contacts → | ||||
Indirect evidence “SAMO ENGINEERING is Telecommunications and Electrical Engineering Service Integrator.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 30 contacts → | ||||
Strong evidence “Integration: IDI is able to add value by integrating custom applications with your existing systems.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 27 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 25 contacts → | ||||
Indirect evidence “FANG Fences and Guards (Pty) Ltd is a True Turnkey, Solutions Driven, Security Integrator company, located at 4 Heath Circle, Blackheath, Western Cape, Cape Town, South Africa.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 25 contacts → | ||||
Partial evidence “Selepe Projects (Pty) Ltd is a Black Woman Owned Contractor, with a CIDB rating of 7 EPPE / EBPE based in Queenswood, Pretoria, who focuses on delivering the best quality of work…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 25 contacts → | ||||
Partial evidence “Executive Solutions is a leading ICT System Integrator and Security provider, who has continued to deliver dynamic, cost-effective solutions to business for over 20 years.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 22 contacts → | ||||
Indirect evidence “With a compact, dedicated team, Stock2Shop has managed to accomplish a lot in a short period of time.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 21 contacts → | ||||
Strong evidence “NJCSI are systems integrations specialists headquartered in Durban, KwaZulu-Natal, and servicing a wide array of industries and clients throughout Southern Africa.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 20 contacts → | ||||
Strong evidence “Scenivision Pty (Ltd) was established as a South African based company focusing on Toll system design, development, integration & maintenance.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 19 contacts → | ||||
Partial evidence “Symbiosys IT is a global IT solutions and integrations consultancy delivering award-winning services in identity security, cloud management, cybersecurity, migration, database…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 19 contacts → | ||||
Indirect evidence “SIE SOLUTIONS At SIE Solutions, we help businesses eliminate I.T.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: systems integration contractors. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names systems integration contractors.
- Partial evidence
- Its own public description names part of systems integration contractors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name systems integration contractors. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 210 systems integration contractors based in South Africa
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Systems integration contractors based in South Africa at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 210 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among systems integration contractors, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in South Africa whose own description of what they do matches “systems integration contractors”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names systems integration contractors), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among systems integration contractors, and records with no verified work email. Companies headquartered outside South Africa are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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
- Every listed company carries at least one verified work email, 665 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Systems integration contractors by metro
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names systems integration contractors, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many systems integration contractors are there based in South Africa?
RevenueBase identified 210 systems integration contractors headquartered in South Africa as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Three6five, headquartered in Johannesburg, tops this list with the largest team on record.
Which city has the most systems integration contractors?
Johannesburg leads with 40 headquartered companies, followed by Cape Town (32) and Pretoria (17).
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 665 verified decision-maker contacts tracked across these 210 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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