Company lists · Data refreshed September 2026
Top 15 Iot sensors companies based in South Africa
RevenueBase identified 33 iot sensors companies headquartered in South Africa as of September 2026 and tracks 405 professional contacts across them, including 138 with verified work emails. Johannesburg is the largest hub.
This list covers iot sensors companies 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 20, 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 15 largest iot sensors companies based in South Africa
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 98 contacts → | ||||
Partial evidence “Azoteq is a pioneer in multi-sensor technologies on a single chip.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 32 contacts → | ||||
Partial evidence “Greycode specialises in delivering Internet of Things (IoT) solutions that empower businesses and communities to monitor, connect, and control their entire environment from a…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 18 contacts → | ||||
Partial evidence “ICORP Technologies is one of the largest independent leading distributors in Southern Africa with a dominant and formidable product line card in the IOT Segment.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 15 contacts → | ||||
Partial evidence “Improving human health, quality of life and securing humanity’s future by leveraging the power and reach of the Internet of Things (IoT).” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 15 contacts → | ||||
Indirect evidence “Internet of Things Integration.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 13 contacts → | ||||
Partial evidence “Sigfox South Africa delivers innovative IoT solutions through the Zero G Network, offering comprehensive nationwide coverage.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 9 contacts → | ||||
Partial evidence “Fleetkor’s portfolio of complete Internet of Things (“IoT”) solutions combine hardware, software, and cloud to bring real-time visibility, analytics, applications and AI to all…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 7 contacts → | ||||
Indirect evidence “FaustLink develops custom hardware, software and mobile applications to allows the client to monitor information such as temperature, pressure, humidity, door states, location…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 7 contacts → | ||||
Indirect evidence “Begun trading in 1997, Opto Africa initially started as a Project Management and Systems Integration company and quickly established itself as a leader in Remote Monitoring and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 6 contacts → | ||||
Partial evidence “Netshield is a Pretoria-based technology company that specialises in providing tailor-made end-to-end IoT and Cloud based technology solutions to our clients.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 5 contacts → | ||||
Indirect evidence “CIRT uses technology & data to create a return on investment.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 3 contacts → | ||||
Partial evidence “Sense It Technologies provides real-time IoT monitoring and control solutions that help businesses protect assets, stay compliant, and operate more efficiently.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 2 contacts → | ||||
Partial evidence “Informed Decisions is a wholistic IoT, IIoT and Connected Devices company that designs, builds and executes a wide range of specialised solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 1 contacts → | ||||
Partial evidence “iFings is an advanced IoT platform that places you in control of your business.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 1 contacts → | ||||
Partial evidence “The Internet of Things (IoT) has changed the landscape of various industries.” Source: RevenueBase Database · checked Sep 20, 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: iot sensors companies. 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 iot sensors companies.
- Partial evidence
- Its own public description names part of iot sensors companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name iot sensors companies. 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 15 of 33 iot sensors companies based in South Africa
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Iot sensors companies based in South Africa at a glance
As of Sep 20, 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 33 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 iot sensors companies, 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 “iot sensors companies”. 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 iot sensors companies), 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 iot sensors companies, 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, 138 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 20, 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.
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 iot sensors companies, 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 iot sensors companies are there based in South Africa?
RevenueBase identified 33 iot sensors companies 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?
Azoteq, headquartered in Paarl, tops this list with the largest team on record.
Which city has the most iot sensors companies?
Johannesburg leads with 8 headquartered companies, followed by Pretoria (4) and Centurion (2).
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 138 verified decision-maker contacts tracked across these 33 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 20, 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.