Best Environment Companies in Belgium
The 230 best Environment companies in Belgium in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Electrawinds.
Belgium's Environment sector has real money behind it. This directory ranks 230 tracked companies by disclosed equity funding and recent momentum, and the figures tell you exactly where the capital has concentrated. Electrawinds leads at $253M in disclosed funding, followed by TES at $215M and Ecostal at $111M. That's three companies accounting for the bulk of a $652M total pool, with no unicorns yet but a funding base that's anything but thin. The global environmental services market sits at $68.8B in 2024, forecast to reach $73.5B by 2025 at a 5.3% CAGR, driven hard by tightening environmental regulations and climate mitigation commitments. Belgium's regulatory pressure from EU climate frameworks keeps that demand structural, not cyclical.
So what's pulling investor attention right now? Europa, SRIW, and the European Union itself are among the most active backers here, which tells you something about where public and institutional capital sees durable returns. I'd note the sector's digital layer is growing fast too, with median app install growth running at roughly 20% year-over-year across 161 environmental and renewables apps globally. Hot coverage themes, from climate mobilization to how external pressures reshape startup strategy, reflect a sector in real transition. The funding is earned, the operators are serious, and the directory below gives you the clearest view of who's actually capitalized.
- Research Reports World
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 Belgium
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Electrawinds Renewable energy developer | $253M | 101 mo ago | 1 | 1998 | Luc Desender CEO & Director | — | — | — |
| 2 | TES Developer of solar and wind energy projects | $215M | 26 mo ago | 105 | 2019 | Paul van Poecke Co-Founder & Executive Co-Chairman | SanityApple iCloud MailMicrosoft 365+14 | — | 2 job openings |
| 3 | Ecostal Provider of solar energy services and products | $111M | 21 mo ago | 13 | 2008 | — | Cart FunctionalityWindows ServerBootstrap+16 | — | 2 launchs |
| 4 | Ikaros Solar O&M and EPC service provider | $21M | 182 mo ago | 1 | 2006 | Christofer Voegelin Diener Co-Founder | — | — | — |
| 5 | Maes Recycling Group Provider of waste recycling and collection services | $18M | 65 mo ago | 13 | 2002 | Yves Maes CEO | — | — | — |
| 6 | Blue Foot Membranes Developer of membrane based water treatment solution | $14M | 28 mo ago | 11 | 2015 | Patrick Vanschoubroek Founder & Managing Director | WordPressMySQLPHP+14 | 17 patents Advanced integrated filtration membranes with permeate channels and envelope manufacturing. | — |
| 7 | Sitemark Provider of a platform for managing solar projects across lifecycles | $9M | 64 mo ago | 28 28 → 56 (+100%) · sector median +18% | 2016 | Stanislas Vaeren Co-Founder | WebflowApple iCloud MailMicrosoft 365+19 | — | — |
| 8 | Elia Group Provides a robust electricity grid | $4M | 82 mo ago | 2,750 | 2001 | — | JavaBootstrapEmotion+21 | — | 1 expansion |
| 9 | Parkwind Provider of design, construction, and development for utility-scale offshore wind energy farms | $2M | 77 mo ago | 120 120 → 95 (-21%) · sector median +18% | 2012 | Eric Antoons co-CEO | Craft CMSPHPYii+16 | 17 patents Wind turbine operation platforms and fleet power output stability optimization systems | — |
| 10 | ATMOsphere Home - ATMOsphere | $816K | 84 mo ago | 6 | 2000 | Marc Chasserot CEO | WordPressMySQLPHP+32 | — | 1 launch |
| 11 | EQUANS BeLux Developer of nuclear energy projects | $714K | 29 mo ago | 247 | 2021 | — | DrupalAlgoliaPHP+24 | — | 2 job openings |
| 12 | Green Invest Developer of renewable energy production and energy efficiency installations | $654K | — | 3 | 2006 | — | — | 7 patents Blow‑molding and injection‑molding processes for plastic bottles with standing foot. | — |
| 13 | Verbruggen.be Developer of wind energy projects | $519K | 114 mo ago | 40 | 2000 | — | — | — | — |
| 14 | DuCoop Provider of sustainable energy and environmental services to residential communities. | $487K | 67 mo ago | 2 | 2014 | Peter Smet Co-Founder & CEO | — | — | — |
| 15 | C-Power Developer of wind energy projects | $466K | 30 mo ago | 21 21 → 31 (+48%) · sector median +18% | 2000 | Aizik Aizik CEO | PimcorePHPNginx+8 | 13 patents Powered standing-assist wheelchairs with vertical lift mechanisms for mobility-impaired users | — |
| 16 | Aerocircular Green Operator of aircraft end-of-life solutions, focusing on dismantling and recycling | $429K | 65 mo ago | 2 | 2016 | — | — | — | — |
| 17 | Waterleau Water and wastewater treatment solutions provider | $250K | 125 mo ago | 500 | 2000 | Bart Goedseels CEO | Craft CMSPHPYii+8 | 33 patents Advanced aerobic granular sludge and anaerobic tower technologies for continuous wastewater treatment | 1 launch · 1 partnership |
| 18 | Sumaqua Provider of water management solutions and hydrological modelling services | $190K | 59 mo ago | — | 2017 | Vincent Wolfs Managing Director | — | — | 1 award |
| 19 | BeeOdiversity Provider of biodiversity and pollution monitoring services and nature-based solutions. | $173K | 57 mo ago | 5 | 2012 | Bach Nguyen Founder | WordPressMySQLPHP+32 | 9 patents Beehive pollen traps and solitary‑bee nesting monitoring devices for environmental assessment | 1 internship |
| 20 | cast4all technologies Provider of energy monitoring platform for solar and related energy systems | $163K | 56 mo ago | — | 2001 | Herwig Mannaert Co-Founder | — | 3 patents Data transmission systems for network operation center communications and management | — |
| 21 | Anatis Provider of agricultural waste treatment & biogas producing services | $138K | 148 mo ago | 4 | 2012 | — | — | 3 patents Design and construction of anaerobic digestion bioreactors for bio‑methane production. | — |
Top 12 Environment companies in Belgium
#1
Series D · Cerexhe-heuseux, Wallonia · founded 2008 · 13 employees$111Mraised▾
Wholesaler of green energy solutions intended for photovoltaic installations. The company offers services such as solar modules, mounting systems, personalized and efficient commercial service, flat roof solutions, technical and logistic services, technical assistance provided by professionals after-sales service and more.
#2
Series C · Zaventem, Flanders · founded 2019 · 105 employees$215.4Mraised▾
Developer of solar and wind energy projects
- Apr 2024Series C$149M
- Jul 2022Series C$66.4M
#3
Series A · Lommel, Flanders · founded 2015 · 11 employees$13.7Mraised▾
Manufacturer of back washable flat sheet membranes. The company's washable flat sheet membranes provides improved fouling control of the membranes and improved fouling control results in flux improvement compared to commercial available flat sheet membranes, enabling clients to get efficient physical cleaning for filtration systems.
- Feb 2024Series A$10.7M
- Aug 2017Seed$3M
#4
Public · Ostend, Flanders · founded 1998 · 1 employees$253Mraised▾
Renewable energy developer
#5
Funding Raised · Brussels, Brussels · founded 2021 · 247 employees$714.4Kraised▾
Developer of nuclear energy projects
- Dec 2023Grant (prize money)$714.4K
#6
Funding Raised · Ostend, Flanders · founded 2000 · 21 employees$465.9Kraised▾
Developer of wind energy projects
- Dec 2023Grant (prize money)$465.9K
#7
Series A · Leuven, Flemish Region · founded 2016 · 28 employees$8.8Mraised▾
Provider of a platform for managing solar projects across lifecycles. The platform offers tools for site assessment, progress tracking, quality control, and asset management. It facilitates thermography, work management, and commissioning. The platform integrates drones, robotics, artificial intelligence, analytics, forms, and ticketing. It supports stakeholders, including asset owners, EPC contractors, and O&M teams.
- Jan 2021Grant (prize money)$60.7K
- May 2020Grant (prize money)$904.1K
- Sep 2019Series A$5.5M
- Sep 2018Grant (prize money)$2.1M
#8
Series A · Tessenderlo, Flanders · founded 2002 · 13 employees$18.4Mraised▾
Provider of waste management services intended to cater to the needs of the construction industry. The company offers a broad range of services including container rental over waste transport, collection and processing of construction and demolition waste, ensuring its clients deal sustainably with waste flows.
- Jan 2021Series A$18.4M
#9
Acquired · Schoten, Flanders · founded 2006 · 1 employees$21.2Mraised▾
Ikaros Solar is a Belgian company focused on providing services to the PV industry. The company specializes in providing O&M and EPC services to utility project developers and to industrial and commercial customers who set-up rooftop solar.
- Mar 2011PE$21.2M
#10
Public · Brussels, Brussels · founded 2001 · 2750 employees$4Mraised▾
Elia Group is a reliable provider of electricity transmission services, ensuring a robust grid with a 99.999 percent reliability level. They are committed to transparency and sustainability in their operations, driving the European energy transition.
- Jul 2019Grant (prize money)$674.2K
- Jan 2018Grant (prize money)$559.2K
- Sep 2017Grant (prize money)$297.2K
- Nov 2014Grant (prize money)$2.5M
#11
Acquired · Antwerp, Flanders · founded 2012 · 120 employees$1.7Mraised▾
Provider of design, construction, and development for utility-scale offshore wind energy farms
- Jan 2020Grant (prize money)$95.5K
- Nov 2017Grant (prize money)$43.2K
- Jan 2017Grant (prize money)$38K
- Feb 2016Grant (prize money)$1.6M
#12
Funding Raised · Brussels, Brussels · founded 2000 · 6 employees$816Kraised▾
One-stop solution to scaling the clean cooling and heating economy. ATMOsphere assists in the transition to sustainable technologies.
- Jun 2019Grant (prize money)$83.6K
- Jun 2017Grant (prize money)$448.8K
- Feb 2016Grant (prize money)$283.6K
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 Belgium
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 253 Belgium-affiliated papers.
- Flemish Institute for Technological Research26
- Ghent University25
- KU Leuven23
- Vrije Universiteit Brussel19
- Flanders Marine Institute17
- Water quality2→5
- Biodiversity1→8
- European union1→6
- Contamination1→4
- Environmental resource management3→4
- Environmental resource management1→7
- Environmental planning2→6
- Pollution1→4
- European union2→5
Where environmental monitoring is researched across Belgium
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
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.