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Radar · High Tech in Gauteng

Best High Tech Companies in Gauteng, South Africa

The 112 best High Tech companies in Gauteng, South Africa in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Contactable.

112companies tracked
$28.7Mdisclosed funding
0unicorns
10have raised
FLIAR INTELLIGENCE · HIGH TECH × GAUTENG

Our analysis of 1,127 High Tech companies

$222.2b in tracked funding; 89% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.

1,127companies analysed
89%cloud-native stacks
2025funding peak (by rounds)
124unicorns
2018median founding year
73kcombined LinkedIn audience
77%of audience held by top 3
1companies hiring publicly (12 mo)

Ranked: Best High Tech companies in Gauteng

#CompanyDisclosed fundingLast roundStageFounderFoundedTech stackRecent signals
1Contactable
Platform offering biometrics identity proofing solutions
$14M9 mo agoSeries B—2009WordPressMySQLPHP+21—
2Iot.nxt
Open-framework platform for IoT development & solution integration
$8M112 mo agoAcquired—2015WordPressMySQLPHP+211 job opening · 1 launch
3AURA
Provider of software for personal safety
$5M55 mo agoSeries ARyan Green
Co-Founder
2017WordPressMySQLPHP+242 partnerships
4SyncroPhi
Wireless vital signs monitoring system and paperless observation records
$1M123 mo agoSeedDavid Toohey
CEO
2007——
5Livestock Wealth
Provider of a crowd-farming company for investing in cattle
$565K44 mo agoSeed—2015WordPressMySQLPHP+30—
6GotBot
Develops chatbots for customer interaction and response
$171K78 mo agoSeedNick Argyros
Founder & Managing Director
2016WixSentryBootstrap+23—
7LetMeIn
SaaS-driven visitor management software for offices and apartments
$143K66 mo agoSeedJarrad Van Zuydam
Co-Founder
2020——
8Passerine Aircraft Corporation
Developer of VTOL aircraft
$120K96 mo agoSeedMatthew Whalley
Founder & CEO
2017——
9HomeFarm
Developer of IoT-powered hydroponic growing systems
$105K46 mo agoSeed—2016——

Top 12 High Tech companies in Gauteng

#1
Series B · Centurion, Gauteng · founded 2009 · 29 employees
$13.5Mraised
▾

Platform offering biometrics identity proofing solutions. The platform is designed to assist users in validating that the real-world identity exists, that the digital identity matches, and that the person making the identity claim also matches. Solutions they offer are customer Ddgital on-boarding, customer digital identity, biometrics multi modal and etc.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 3k LinkedIn followers — 3.8% of this cohort's audience
Funding rounds
  • Sep 2025Series B$13.5M
Investors
Venture-Capitalworks, Fireball Capital, Ke Nako Capital, Mavovo
Tech stack
Apache Http ServerCloudflareContact Form 7CookieyesCore-JsDivi
#2
Series A · Johannesburg, Gauteng · founded 2017 · 45 employees
$5Mraised
▾

Developer of a location security platform designed to make effective location tracking more accessible and affordable. The company's platform provides access to armed responders who can be alerted with a button to activate a distress signal and pinpoint geolocation, enabling users and businesses to respond to an emergency, anywhere, anytime, and access a closely vetted private security and medical response unit to their location.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 14k LinkedIn followers — 19.2% of this cohort's audience
Activity: 2 partnerships (incl. Glovo Kenya) announced in 12 mo
Founders & team
Ryan GreenCo-FounderWarren MyersFounder
Investors
MultiChoice, Klt Holdings, Buffet Investments, HAVAIC, Fireball Capital
#3
Acquired · Johannesburg, Gauteng · founded 2015 · 300 employees
$7.7Mraised
▾

IoT.nxt has an open-framework platform for IoT development & solution integration for cross-industry solutions. Claims to offer features like interoperability, technology agnostic to let business leverage their legacy systems, and API led rapid integration for agile deployment. It is a silver Microsoft partner and has been awarded as a Gartner Aspiring Innovator 2016.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 38k LinkedIn followers — 51.9% of this cohort's audience
Hiring: 1 hiring post in 12 mo (public) · hiring: Cyber Security Lead
Activity: 1 product launches announced in 12 mo
Funding rounds
  • Feb 2017Series B$7.7M
Investors
Talent10 Technology Partners
Tech stack
All In One SeoCdnjsCloudflareCookie NoticeCrazy EggDivi
#4
Seed · Sandton, Gauteng · founded 2015 · 23 employees
$564.6Kraised
▾

Provider of a crowd-farming company for investing in cattle. It allows users to invest in cattle farms and earn from their investments.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 5k LinkedIn followers — 6.3% of this cohort's audience
Funding rounds
  • Sep 2022Seed$564.6K
  • Sep 2019Conventional Debt$131.8K
Investors
MIC Khulisani Ventures, Mineworkers Investment Company, AlphaCode, MassChallenge
Tech stack
Amazon CloudfrontAmazon Web ServicesAnime.JsCloudflareCloudflare Bot ManagementCloudflare Browser Insights
#5
Seed · Sandton, Gauteng · founded 2007 · 7 employees
$1.4Mraised
▾

Wireless vital signs monitoring system and paperless observation records. Its offerings include KEWS 100, small lightweight sensor modules worn in a disposable pouch that gives the patient freedom to move and give the staff the ability to provide continuous monitoring of body vitals, and KEWS 200, a wireless ambulatory patient vital-signs monitoring with paperless observation records and instant patient review at the point of care, KEWS 300 a CE-marked software suite which supports paperless patient observation rounds and clinical reviews at the point-of-care. When combined with the KEWSpod it provides real-time updates of patient records and instant recall of patient history.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 248 LinkedIn followers
Funding rounds
  • Mar 2016Grant (prize money)$493.3K
  • Aug 2013Seed$1.4M
Founders & team
David TooheyCEO
Investors
AIB Seed Capital Fund, Europa, Enterprise Equity, Western Development Commission
Tech stack
WordpressMysqlPhpLitespeed
#6
Seed · Johannesburg, Gauteng · founded 2016 · 9 employees
$104.8Kraised
▾

Developer of IoT-powered hydroponic growing systems. Its soil-less pod uses a nutrient solution for supporting plant growth. The pod has its own watering and lighting system that requires external water and power supply. The pod can be used to grow a wide variety of herbs, micro-greens, and leafy vegetables whose seeds. Its companion app allows the user to track plant growth and look for recipes.

Funding rounds
  • Aug 2022Seed$104.8K
Investors
CapaciTech
Tech stack
NginxSectigo
#7
Seed · Johannesburg, Gauteng · founded 2020 · 3 employees
$143.4Kraised
▾

SaaS-driven visitor management software for offices and apartments. It facilitates an API based interface that can be used in any chat app. It also offers a chatbot-based pre-screening risk management dashboard.

Funding rounds
  • Dec 2020Seed$143.4K
Founders & team
Jarrad Van ZuydamCo-FounderPaul Van ZylCo-Founder & CTO
#8
Seed · Johannesburg, Gauteng · founded 2016 · 12 employees
$170.9Kraised
▾

GotBot is a chatbot technology company, that claims to use artificial intelligence to help enterprises manage their customer interactions. GotBot's offering is delivered to clients as GotBot Get It (chiefly aimed at retail companies to help them initiate conversations with existing clients for upselling and cross-selling products and services) and as GotBot CustomCare (for replying to client requests).

LinkedIn Pulse recent public activity · Jul 2026
Audience: 497 LinkedIn followers
Funding rounds
  • Dec 2019Seed$170.9K
Founders & team
Nick ArgyrosFounder & Managing Director
Investors
Startupbootcamp
Tech stack
Amazon CloudfrontAmazon S3Amazon Web ServicesBootstrapCdnjsCloudflare
#9
Seed · Johannesburg, Gauteng · founded 2017 · 2 employees
$120Kraised
▾

Passerine Aircraft develops VTOL aircraft for commercial purposes. The aircraft claims to have multiple features including lift wing (powered by the lift device that offers low stall speed with high cruise speed). Both the aircraft are fixed-wings, have a payload capacity in the range of 6 kg-300 kg, and feature an onboard controller allowing it to be remotely piloted. They are capable of operating without take-off/landing infrastructure and of spot landings & standing take-offs. Claims that the products emulate the landing of Passerine bird i.e. a flared landing and then dropping onto their legs.

Funding rounds
  • 2018Seed$120K
Founders & team
Matthew WhalleyFounder & CEO
Investors
Y Combinator
#10
Funding Raised · Pretoria, Gauteng · founded 2014 · 4 employees
$29.7Kraised
▾

Clean Carbon Technologies has developed carbon capture technology systems which convert waste effluent gases into carbon nanotubes(CNT) aggregates, polymers, resins, and sheets. Offers carbon conversion reactors which have a production capacity of 1kg per hour and multi-walled nanotubes. Can be used in aviation, space industry, computers, and military applications.

Funding rounds
  • Dec 2017Grant (prize money)$29.7K
Founders & team
Vivek NairCo-Founder & CEO
Investors
TechFounders
#11
Acquired · Centurion, Gauteng · founded 1985 · 1000 employees
—raised
▾

Provider of telematics solutions for fleet management and operational optimisation. The company delivers tools for real-time monitoring, performance analytics, and driver management. It offers solutions for fixed and mobile asset tracking, fuel monitoring, and video telematics. The company provides services to industries including transport, mining, agriculture, and government.

Founders & team
Relebohile LiphotoCEO
Investors
Sanari Capital, 27four Investment Managers, Stellar Capital Partners
Tech stack
Amazon CloudfrontAmazon S3Amazon Web ServicesAmplitudeAngular MaterialAngularjs
#12
Seed · Johannesburg, Gauteng · founded 2016 · 31 employees
—raised
▾

Paycode offers fingerprint-based authentication solutions for digital identity & payments. It uses biometric digital identity for data assurance, payments, verification, transactions, and more. Its features are offline/online transaction processing, multi-user applications, branchless or agent banking, and more.

Funding rounds
  • Nov 2020Seed—
Founders & team
Gabriel RuhanCEO & Director
Investors
Mastercard, Acorus Capital, Inclusive Fintech 50
Tech stack
Apache Http ServerBootstrapGoogle CloudGoogle Cloud CdnGsapHotjar

Funding & investor landscape

$28.7Mtotal disclosed funding
10companies funded
11disclosed rounds
0rounds last 90 days
Most active investors
Fireball Capital2 rounds
Sanari Capital2 rounds
100+ Accelerator1 rounds
27four Investment Managers1 rounds
AIB Seed Capital Fund1 rounds
Acorus Capital1 rounds
AlphaCode1 rounds
Avant-Garde Private Equity1 rounds
Buffet Investments1 rounds
CapaciTech1 rounds

Notable founders

Ryan Green
Co-Founder · AURA
Warren Myers
Founder · AURA
David Toohey
CEO · SyncroPhi
Jarrad Van Zuydam
Co-Founder · LetMeIn
Paul Van Zyl
Co-Founder & CTO · LetMeIn
Nick Argyros
Founder & Managing Director · GotBot
Matthew Whalley
Founder & CEO · Passerine Aircraft Corporation
Vivek Nair
Co-Founder & CEO · Clean Carbon Technologies
Relebohile Liphoto
CEO · Ctrack
Gabriel Ruhan
CEO & Director · Paycode
Prism market signals · South Africa · country-scoped Prism corpus, 851,841 docs

Market landscape — 10 sub-themes by coverage

Share of High Tech coverage by sub-theme.

Regulatory-risk over time rising

Funding & growth over time

funding rising · growth rising

Common questions

How many High Tech companies are there in Gauteng, South Africa?
Radar tracks 112 indexable High Tech companies headquartered in Gauteng, South Africa that meet our profile-completeness bar.
What is the total funding raised by High Tech companies in Gauteng, South Africa?
The High Tech companies in Gauteng, South Africa on this list have raised a combined $28.7M in disclosed equity funding across 10 funded companies.
Which is the highest-funded High Tech company in Gauteng, South Africa?
Contactable is the highest-funded High Tech company in Gauteng, South Africa, with $13.5M in disclosed equity funding.
How many High Tech companies in Gauteng, South Africa are funded?
10 of the 112 High Tech companies in Gauteng, South Africa on this list have disclosed at least one equity funding round.
How many High Tech unicorns are there in Gauteng, South Africa?
None of the High Tech companies in Gauteng, South Africa on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in Gauteng, South Africa High Tech companies?
The most active investors in Gauteng, South Africa High Tech companies on this list include Fireball Capital, Sanari Capital, 100+ Accelerator, 27four Investment Managers, AIB Seed Capital Fund.
Rohit KhannaTrends & Stories

Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.

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