Best Environment Companies in Flanders, Belgium
The 72 best Environment companies in Flanders, Belgium in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Electrawinds.
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 Flanders
| # | Company | Revenue | Disclosed funding | Last round | Employees | Founded | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Campine Provider of industrial waste & metal recycling services | $211M FY2024 | — | 83 mo ago | 50 | 1912 | Wim Vos CEO | 2 patents Patents concentrated in chemistry & materials | 1 award |
| 2 | Rentel Utility-scale wind energy project | $154M FY2024 | — | 174 mo ago | — | 2011 | Nathalie Oosterlinck CEO | — | — |
| 3 | C-Power Developer of wind energy projects | $154M FY2024 | $466K | 30 mo ago | 21 21 → 31 (+48%) | 2000 | Aizik Aizik CEO | 13 patents Powered standing-assist wheelchairs with vertical lift mechanisms for mobility-impaired users | — |
| 4 | EnergyVision Provider of solar energy products | $89M FY2024 | — | — | 97 97 → 206 (+112%) | 2014 | Maarten Michielssens Founder & CEO | 2 patents Electric vehicle charging systems and infrastructure design | 2 expansions |
| 5 | GD Energy Residential solar and wind projects installer | $41M FY2024 | — | — | 6 | 2013 | Gert Geraerts CEO | — | 2 job openings |
| 6 | Parkwind Provider of design, construction, and development for utility-scale offshore wind energy farms | $34M FY2024 | $2M | 77 mo ago | 120 120 → 95 (-21%) | 2012 | Eric Antoons co-CEO | 17 patents Wind turbine operation platforms and fleet power output stability optimization systems | — |
| 7 | GWE Provider of wastewater treatment services | $32M FY2024 | — | — | 22 | 1984 | — | — | 1 expansion |
| 8 | Enerdeal Developer of solar PV projects | $22M FY2024 | — | — | 11 | 2009 | — | — | 1 job opening · 1 partnership |
| 9 | Ekopak Provider of waste recycling and revaluing water | $19M FY2024 | — | — | 98 | 1997 | Pieter Loose CEO | — | — |
| 10 | OWS Manufacturer of precision sheet metal enclosures and racks | $13M FY2024 | — | 114 mo ago | 88 88 → 104 (+18%) | 1988 | — | — | 1 job opening |
| 11 | Boydens Provider of sustainable green building design and consulting services | $12M FY2022 | — | 117 mo ago | 71 | 1961 | — | — | — |
| 12 | Ecoo Provider of plastic recycling services | $11M FY2020 | — | — | 3 | 1989 | — | 5 patents Composting equipment and processes for manufacturing plastic (polymer) products. | — |
| 13 | Galloo Provider of scrap recycling and processing of factory scrap, ferrous and non-ferrous metals | $10M FY2022 | — | — | 36 | 1939 | Rik Debaere Managing Director - CEO | 12 patents Advanced metal and plastic recycling: separation, delamination, sieving, and dust control technologies. | — |
| 14 | ABO-Group Diversified conglomerate operating across energy, waste management, and geo-technical industries | $3M FY2024 | — | — | 8 | 1995 | Frank De Palmenaer CEO | — | — |
| 15 | Waterleau Water and wastewater treatment solutions provider | $2M FY2022 | $250K | 125 mo ago | 500 | 2000 | Bart Goedseels CEO | 33 patents Advanced aerobic granular sludge and anaerobic tower technologies for continuous wastewater treatment | 1 launch · 1 partnership |
| 16 | BOSAQ Provider of water management services | $2M FY2021 | — | — | 24 | 2015 | Pieter Derboven Co-Founder & CTO | 12 patents Decentralized water treatment using bipolar membrane electrodialysis and solar‑powered cleaning systems | 1 expansion |
| 17 | Group Machiels Developer of renewable energy projects and construction projects | $1M FY2024 | — | — | 7 | 1941 | Filip Vercauteren CEO | — | 1 partnership |
| 18 | Renasci Provider of waste recycling services | $982K FY2024 | — | 59 mo ago | 3 | 2001 | — | — | — |
| 19 | Enervest Developer of solar energy projects | $621K FY2024 | — | — | 18 | 2008 | — | — | — |
| 20 | INOVIM Provider of waste collection services | $619K FY2024 | — | 132 mo ago | 125 | 2003 | — | — | — |
| 21 | TES Developer of solar and wind energy projects | — | $215M | 26 mo ago | 105 | 2019 | Paul van Poecke Co-Founder & Executive Co-Chairman | — | 2 job openings |
| 22 | Blue Foot Membranes Developer of membrane based water treatment solution | — | $14M | 28 mo ago | 11 | 2015 | Patrick Vanschoubroek Founder & Managing Director | 17 patents Advanced integrated filtration membranes with permeate channels and envelope manufacturing. | — |
| 23 | Electrawinds Renewable energy developer | — | $253M | 101 mo ago | 1 | 1998 | Luc Desender CEO & Director | — | — |
| 24 | Maes Recycling Group Provider of waste recycling and collection services | — | $18M | 65 mo ago | 13 | 2002 | Yves Maes CEO | — | — |
| 25 | Ikaros Solar O&M and EPC service provider | — | $21M | 183 mo ago | 1 | 2006 | Christofer Voegelin Diener Co-Founder | — | — |
| 26 | DuCoop Provider of sustainable energy and environmental services to residential communities. | — | $487K | 67 mo ago | 2 | 2014 | Peter Smet Co-Founder & CEO | — | — |
| 27 | Spectar Technologies Provider of sewer water management services | — | $58K | 48 mo ago | 2 | 2019 | Wouter Viroux Co-Founder | — | — |
| 28 | Sumaqua Provider of water management solutions and hydrological modelling services | — | $190K | 59 mo ago | — | 2017 | Vincent Wolfs Managing Director | — | 1 award |
| 29 | 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 | — |
Top 12 Environment companies in Flanders
#1
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
#2
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
#3
Funding Raised · Ostend, Flanders · founded 2000 · 21 employees$465.9Kraised▾
Developer of wind energy projects
- Dec 2023Grant (prize money)$465.9K
#4
Public · Ostend, Flanders · founded 1998 · 1 employees$253Mraised▾
Renewable energy developer
#5
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
#6
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
#7
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
#8
Funding Raised · Ghent, Flanders · founded 2014 · 2 employees$487.1Kraised▾
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- Nov 2020Grant (prize money)$326.7K
- Oct 2019Grant (prize money)$160.3K
#9
Seed · Antwerp, Flanders · founded 2019 · 2 employees$57.9Kraised▾
Developer of a sewer management mechanism intended to reduce the cost of sewer management in Europe to promote a more water-resilient world. The company's mechanism is focused on time efficiency and offers manoeuvrability below the ground which minimizes the need to change between manholes and manoeuvrability above ground which helps in inspection, enabling users to overcome obstacles to minimize cleaning costs.
- 2022Seed$57.9K
#10
Funding Raised · Leuven, Flanders · founded 2017$189.9Kraised▾
Provider of water management solutions and hydrological modelling services. They offer climate adaptation strategies, water resource modelling and analysis, forecasting and intelligent control systems, risk analysis and policy support, and expertise and training. A key offering is Sirio, software designed to optimize rainwater systems, simulating long-term rainfall impacts and enabling efficient design. The company develops pragmatic solutions based on cutting-edge scientific advancements.
- Jul 2021Grant (prize money)$65.7K
- Jan 2021Grant (prize money)$124.2K
#11
Funding Raised · Niel, Flanders · founded 2001$163.3Kraised▾
Provider of energy monitoring platform for solar and related energy systems. The platform collects and analyzes data from various energy devices. It offers independent data retrieval, ensuring continuous monitoring regardless of internet connectivity. The platform supports multiple inverter brands and facilitates reporting according to energy performance regulations. It also provides tools for optimizing energy consumption and analyzing PV generation data.
- Oct 2021Grant (prize money)$163.3K
#12
Funding Raised · Roeselare, Flanders · founded 2007$42Kraised▾
Provider of storage, handling, and cleanup solutions for hazardous materials. This includes a variety of products such as safety cabinets, spill containment systems, and absorbent materials. The company offers professional advice and support to ensure safe and compliant storage and management of hazardous substances. They also provide informative articles on best practices and solutions for handling hazardous materials. Their services cater to various sectors requiring expertise in hazardous materials management.
- Jul 2021Grant (prize money)$42K
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
What Flanders researches in environmental monitoring
- Flanders Marine Institute17
- Flanders Environment Agency4
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.