Best Environment Tech Companies in South Africa
The 106 best Environment Tech companies in South Africa in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: H2O Securities.
Environment Tech in South Africa has a ranking problem: most funding stays invisible. This directory cuts through that, tracking 106 companies by disclosed equity and recent momentum, with $155M in total funding on the books.
That number is almost entirely H2O Securities, which accounts for $150M of the pile. Strip that out and you're looking at a long tail of early-stage bets, with Alien Fuel Group at $2M and Open Access Energy, Plentify, and H2O Securities rounding out the visible leaders. The global market sits at roughly $552.1B and is forecast to reach $690.3B by 2026 at a 4.6% CAGR, according to MarketsandMarkets, driven by stricter carbon regulations and accelerating demand for renewables. South Africa's regulatory push on emissions fits that global tailwind directly. And if you want a read on where consumer attention is moving, median install growth across environmental and renewables apps hit roughly +20% YoY across 161 tracked titles, which tells you the demand signal is real, not theoretical. I'd also watch the EV battery and drivetrain themes here. Active backers like Techstars, 4Di Capital, and E3 Capital are the names worth tracking as this sector's deal flow picks up through the rest of the quarter.
- DataM Intelligence
Our analysis of 241 Environment Tech companies
$25.6b in tracked funding; 88% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment Tech companies in South Africa
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | H2O Securities Blockchain-based platform for deployment of water infrastructure | $150M | 47 mo ago | Series D | Julius Steyn Chief Executive Officer | 2021 | — | — |
| 2 | Alien Fuel Group Production of bio oil | $2M | 30 mo ago | Series A | Bruce Johnson Founder & CEO | 2015 | — | — |
| 3 | Open Access Energy Renewable energy management software | $750K | 12 mo ago | Seed | Christoff Albertyn Co-Founder & CTO | 2021 | — | 2 partnerships |
| 4 | BlueNova Manufacturer of energy storage solutions, batteries, and supporting electronic components | $648K | 32 mo ago | Funding Raised | — | 2015 | WordPressZohoMySQL+31 | 1 launch |
| 5 | Athena Provider of medical payments management software for healthcare | $250K | 28 mo ago | Seed | Jabulani Nyembe Founder | 2022 | — | 3 partnerships |
| 6 | CyanoLakes Provider of satellite imagery analysis for cyanobacteria bloom monitoring and management | $161K | 115 mo ago | Funding Raised | Mark Matthews Founder & CEO | 2015 | — | 1 launch |
| 7 | Plentify Provider of SaaS-driven and AI grid optimisers for building management | $150K | 7 mo ago | Series A | Kailas Nair Co-Founder | 2008 | Cart FunctionalityWooCommerceWordPress+36 | 1 partnership |
| 8 | LetMeIn SaaS-driven visitor management software for offices and apartments | $143K | 66 mo ago | Seed | Jarrad Van Zuydam Co-Founder | 2020 | — | — |
Top 12 Environment Tech companies in South Africa
#1
Seed · Cape Town, Western Cape · founded 2021$750Kraised▾
Renewable energy management software. It is a software platform that streamlines energy transactions from generation to consumption. The platform automates the matching of generation and consumption loads, enabling energy trading and management. It enables municipalities and utilities to access smart meters to collect and interpret data to bill customers.
- Jun 2025Seed$1.8M
- Aug 2024Seed$750K
#2
Series A · Cape Town, Western Cape · founded 2008 · 42 employees$150Kraised▾
Provider of SaaS-driven and AI grid optimizers for building management. Its device can be attached to home water heaters that use AI to match users' energy needs in the grid. The platform provides solutions for industries that include property companies and body corporates, solar and battery companies, utilities and municipalities, and more.
- Nov 2025Series A—
- Jul 2024Series A—
- Oct 2023Series A—
- May 2023Grant (prize money)—
#3
Series D · Cape Town, Western Cape · founded 2021 · 12 employees$150Mraised▾
Blockchain-based platform for deployment of water infrastructure. The participant buys H2ON tokens using USDT. The plant settlement smart contract uses all the H2ON token purchases of the connected water plant to settle billing of H2O water network participants generated and the balance of the H2ON tokens not used to settle billing is distributed as a staking pool yield.
#4
Series A · Umhlanga, KwaZulu Natal · founded 2015$2.5Mraised▾
Production of bio oil. It converts solid biomass fuel derived from alien invasive tree species and other wood waste into a efficient, low CO2 emission, green energy source.
- Dec 2023Series A$2.4M
#5
Funding Raised · Somerset West, Western Cape · founded 2015 · 54 employees$648.4Kraised▾
Manufacturer of energy storage solutions, batteries, and supporting electronic components. The company provides battery systems centered around lithium iron phosphate battery chemistry. It offers battery management systems and control modules. The company supplies products to qualified professionals in the energy industry.
- Oct 2023Grant (prize money)$648.4K
#6
Seed · Johannesburg, Gauteng · founded 2022$250Kraised▾
Provider of medical payments management software for healthcare. It offers a platform for medical bill management that enables patients to pay for healthcare in monthly instalments for healthcare surgeries and procedures.
- Jan 2024Seed$150K
#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.
- Dec 2020Seed$143.4K
#8
Funding Raised · Cape Town, Western Cape · founded 2015$161.2Kraised▾
Provider of satellite imagery analysis for cyanobacteria bloom monitoring and management. The company offers measurements and forecasts of blue-green algal blooms. It delivers information to water professionals through a web application. The company also provides weather-like information via mobile applications. The technology distinguishes cyanobacteria from other algal blooms using satellite imagery.
- Nov 2016Grant (prize money)$161.2K
#9
Deadpooled · Johannesburg, Gauteng · founded 2018 · 3 employees$20Kraised▾
Software solutions for waste management. Its platform digitizes and automates waste management operations and manage all waste activities and stakeholders such as clients, orders or schedules and drivers in one place.
- Sep 2022Seed$20K
#10
Funding Raised · Cape Town, Western Cape · founded 2015 · 4 employees$52.2Kraised▾
I-Drop Water provides safe and affordable drinking water refills through their Waterpod system, which purifies water at grocery stores in South African regions. The Waterpods offer low-cost, purified water refills to help reduce plastic waste and carbon emissions associated with bottled water.
- Grant (prize money)$52.2K
#11
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.
- Dec 2017Grant (prize money)$29.7K
#12
Deadpooled · Cape Town, Western Cape · founded 2013$18.8Kraised▾
Solid Insight is a web-based application that promotes awareness of the energy use in buildings by integrating Solid Insight into building’s smart metering systems for electricity and water. It provides a live metering interface for display in building foyers and publically online, as well as bespoke building websites where applicable users guides and other desired information (such as developer details and notable building features) are accessible. It also offers an admin dashboard where users can link any SCADA metering systems installed in the building to the database and manage their live metering charts.
- Nov 2016Grant (prize money)$18.8K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Environment Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
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.