Best Environment Companies in Gauteng, South Africa
The 77 best Environment companies in Gauteng, South Africa in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Pele Energy.
Our analysis of 309 Environment companies
$75.8b in tracked funding; 79% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment companies in Gauteng
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Pele Energy Developer of wind energy projects | $132M | 30 mo ago | Seed | Boipelo Moloabi Co-Founder | 2009 | Cart FunctionalitySquarespace CommerceSquarespace+15 | — |
| 2 | SolarAfrica Provider of financial services for solar PV systems | $107M | 5 mo ago | Series B | James Irons Co-Founder | 2011 | WordPressApple iCloud MailMicrosoft 365+41 | — |
| 3 | Pele Energy Group Developer of renewable energy projects and community socio-economic development initiatives | $31M | 15 mo ago | Series C | Thapelo Motlogeloa Co-Founder | 2009 | Cart FunctionalitySquarespace CommerceSquarespace+16 | — |
| 4 | Hohm Energy Provider of renewable energy producer and solar installation & services | $8M | 28 mo ago | Seed | Tim Ohlsen CEO | 2013 | — | — |
| 5 | EnviroServ Provider of horizontally integrated waste management services | $8M | 187 mo ago | Acquired | — | 1979 | Progress SitefinityWindows ServerYouTube+23 | 1 job opening |
| 6 | Grid Africa Provider of custom solar energy solutions for commercial and industrial clients | $3M | 20 mo ago | Seed | Nigel Mangwiro Co-Founder & CFO | 2015 | — | — |
| 7 | iG3N Provider of solar panel installation services for residential and commercial | $1M | 58 mo ago | Seed | — | 2018 | — | — |
| 8 | PowerOptimal Manufacturer of solar PV modules | — | 48 mo ago | Seed | — | 2014 | WordPressMySQLPHP+33 | — |
Top 12 Environment companies in Gauteng
#1
Series B · Centurion, Gauteng · founded 2011 · 76 employees$106.8Mraised▾
SolarAfrica provides solar PV systems on a rent-to-own basis for residential and commercial units. Partners with solar installers who install and operate systems which the company owns, manages and finances. Operates in places like Kenya, Ghana, Nigeria, Namibia and others.
- Jan 2026Conventional Debt$91.8M
- Sep 2024Series B$15M
#2
Series C · Johannesburg, Gauteng · founded 2009$31Mraised▾
Developer of renewable energy projects and community socio-economic development initiatives. The organization focuses on power generation and sustainable development through its linked entities. These entities work together to enhance energy infrastructure with education, skills development, and community investments. The organization aims to drive structural change and foster long-term socio-economic progress.
- Mar 2025Series C$31M
#3
Seed · Sandton, Gauteng · founded 2009$132Mraised▾
Developer of wind energy projects
- Dec 2023Grant (prize money)$132M
- Jun 2020Seed—
#4
Seed · Johannesburg, Gauteng · founded 2015$2.8Mraised▾
Grid Africa is a provider of custom business solar solutions in South Africa, offering tailored solar energy systems and financing options to support commercial and industrial clients. The company is focused on delivering bespoke solar projects across the country, with a goal of reducing carbon footprint and promoting sustainable energy practices. Grid Africa has secured significant equity investments and has a proven track record of developing and financing successful solar energy projects. The company's solutions aim to address the energy needs of businesses across various sectors, including industrial, commercial, and retail.
- Oct 2024Seed$2.8M
#5
Seed · Sandton, Gauteng · founded 2013 · 101 employees$8Mraised▾
Provider of renewable energy producer and solar installation & services
- Feb 2024Seed$8M
#6
Acquired · Johannesburg, Gauteng · founded 1979 · 2200 employees$7.5Mraised▾
Provider of horizontally integrated waste management services
#7
Seed · Johannesburg, Gauteng · founded 2018 · 60 employees$1.3Mraised▾
Provider of solar panel installation services for residential and commercial
- Aug 2021Seed$1.3M
- Dec 2020Seed—
#8
Seed · Johannesburg, Gauteng · founded 2014—raised▾
Manufacturer of solar PV modules
- Jun 2022Seed—
#9
Late Stage · Rivonia, Gauteng · founded 2012—raised▾
Droper Wind Energy is an Independent Power Producer utilising 40 Nordex 2.5MW wind turbines, having a nominal aggregate production output of 100MW. The wind farm is connected to the Eskom Distribution Network under a 20 year Power Purchase Agreement. Current shareholders in the project are Sumitomo, Rainmaker Energy and Gaia Infrastructure.
- Jan 2017PE—
#10
Funding Raised · Johannesburg, Gauteng · 11 employees—raised▾
{}
#11
Seed · Johannesburg, Gauteng · founded 2003 · 9 employees—raised▾
BrightBlack is a solar power project development company which entered in the solar energy sector in 2013. Services include designing, building, financing, operation, and maintenance of solar energy solutions for the commercial clients.Offers three options to the clients - outright purchase, renting, PPA.Has completed projects with a total production capacity of 6MW.
- 2014Seed—
#12
Late Stage · Pretoria, Gauteng · founded 1996—raised▾
Provider of water testing and environment monitoring system
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Environment coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Environmental Monitoring is moving in South Africa
A read on the academic research around Environmental Monitoring — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 222 South Africa-affiliated papers.
- Sustainability Institute19
- Stellenbosch University19
- University of Johannesburg18
- University of South Africa16
- University of Cape Town16
- Environmental data4
- Biodiversity4
- Biomonitoring3
- Pesticide3
- Environmental DNA3
- Water quality2→8
- Pollutant1→5
- Pollution1→14
- Water quality3→13
- Pollutant1→7
- Aquatic ecosystem2→7
- Contamination2→7
Where environmental monitoring is researched across South Africa
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
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.