Best Waste & Water Management Companies in Flanders, Belgium
The 33 best Waste & Water Management companies in Flanders, Belgium in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Maes Recycling Group.
Our analysis of 100 Waste & Water Management companies
$3.6b in tracked funding; 67% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Waste & Water Management companies in Flanders
| # | Company | Revenue | Disclosed funding | Employees | Founded | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Indaver Provider of waste to energy services | $342M FY2024 | — | 411 | 1985 | TYPO3 CMSPHPGoogle Maps+17 | Top 5M | 64 patents Hazardous waste landfill covering, leachate control, settlement monitoring, and incineration technologies | — |
| 2 | Campine Provider of industrial waste & metal recycling services | $211M FY2024 | — | 50 | 1912 | WordPressApple iCloud MailMicrosoft 365+23 | Top 10M | 2 patents Nanoclay‑reinforced polyamide/polyester composites with enhanced flame‑resistance | — |
| 3 | GWE Provider of wastewater treatment services | $32M FY2024 | — | 22 | 1984 | PHPGoogle MapsNginx+12 | Top 50M | — | — |
| 4 | SipWell Provider of water management services | $24M FY2024 | — | — | 1993 | BootstrapNginxAzure+19 | Top 5M | — | — |
| 5 | Ekopak Provider of waste recycling and revaluing water | $19M FY2024 | — | 98 | 1997 | — | — | — | — |
| 6 | OWS Manufacturer of precision sheet metal enclosures and racks | $13M FY2024 | — | 88 88 → 104 (+18%) | 1988 | — | — | — | — |
| 7 | Ecoo Provider of plastic recycling services | $11M FY2020 | — | 3 | 1989 | PHPNginxPinterest Conversion Tag+10 | Top 5M | 5 patents Composting systems and plastic molding processes for biodegradable waste and polymer products | — |
| 8 | Galloo Provider of scrap recycling and processing of factory scrap, ferrous and non-ferrous metals | $10M FY2022 | — | 36 | 1939 | Apple iCloud MailMicrosoft 365Bootstrap+19 | Top 5M | 12 patents Metal waste recycling: separation, delamination, sieving, and dust suppression technologies | — |
| 9 | RPB Provider of waste management and materials solutions | $7M FY2024 | — | 6 | 2019 | — | — | — | — |
| 10 | ABO-Group Diversified conglomerate operating across energy, waste management, and geo-technical industries | $3M FY2024 | — | 8 | 1995 | Mapbox GL JSTailwind CSSGSAP+25 | Top 10M | — | — |
| 11 | Waterleau Water and wastewater treatment solutions provider | $2M FY2022 | $250K | 500 | 2000 | Craft CMSPHPYii+8 | Top 5M | 33 patents Advanced aerobic granular sludge and anaerobic tower technologies for wastewater treatment | — |
| 12 | BOSAQ Provider of water management services | $2M FY2021 | — | 24 | 2015 | WordPressApple iCloud MailMicrosoft 365+28 | Top 10M | 12 patents Patents concentrated in transport & manufacturing processes | — |
| 13 | Renasci Provider of waste recycling services | $982K FY2024 | — | 3 | 2001 | — | — | — | — |
| 14 | INOVIM Provider of waste collection services | $619K FY2024 | — | 125 | 2003 | Google MapsBootstrapMicrosoft 365+3 | Top 50M | — | — |
| 15 | Infra Group Provider of water management services | $545K FY2024 | — | 1 | 1966 | WordPressMySQLPHP+16 | Top 10M | — | — |
| 16 | Blue Foot Membranes Developer of membrane based water treatment solution | — | $14M | 11 | 2015 | WordPressMySQLPHP+14 | Top 50M | 17 patents Advanced integrated permeate channel membrane structures and production methods for filtration modules | — |
| 17 | Maes Recycling Group Provider of waste recycling and collection services | — | $18M | 13 | 2002 | — | — | — | — |
| 18 | DuCoop Provider of sustainable energy and environmental services to residential communities. | — | $487K | 2 | 2014 | — | — | — | — |
| 19 | Sumaqua Provider of water management solutions and hydrological modelling services | — | $190K | — | 2017 | — | — | — | — |
Top 12 Waste & Water Management companies in Flanders
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
Funding Raised · Antwerp, Flanders · founded 2000 · 500 employees$250.5Kraised▾
Waterleau designs and develops turn-key projects for water and wastewater treatment. Uses proprietary aerobic & anaerobic technologies for the treatment of industrial effluents & municipal wastewater. Offers drinking water solution which uses aeration, coagulation & RO membrane systems for filtration. Provides proprietary membrane bioreactor(MBR) technology which is called as Atlantis & X-Tractor for wastewater recycling. Also offers a waste-to-energy digester which converts biomass into methane. Other solutions are hazardous waste incinerators, desalination systems & air treatment system.
- Jan 2016Grant (prize money)$250.5K
#8
Funding Raised · Ghent, Flanders · founded 2017 · 2 employees—raised▾
Provider of waste, water and shipping management services
- May 2023Grant (prize money)—
#9
Funding Raised · Aartselaar, Flanders · founded 1990 · 1155 employees—raised▾
Belgium-based Aqaufin focuses on developing wastewater and sewage treatment and processing facilities. The company owns and operates municipal wastewater treatment facilities and collection infrastructure in Belgium. The company also helps municipalities setup sewage networks and managing the wastewater treatment infrastructure.
#10
Acquired · Ostend, Flanders · founded 2001 · 3 employees—raised▾
Provider of waste recycling services
- Jul 2021Seed—
#11
Public · Beerse, Flanders · founded 1912 · 50 employees—raised▾
Provider of industrial waste & metal recycling services
#12
Acquired · Ghent, Flanders · founded 1988 · 88 employees—raised▾
Manufacturer of precision sheet metal enclosures and racks for the telecom, power, and IT sectors. The company produces customized cabinets and server racks, exported internationally for use in various applications. They hold relevant certifications and are registered vendors with major industry players. Their products are designed for demanding environments and meet stringent industry standards.
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Waste & Water Management coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Water Treatment is moving in Belgium
A read on the academic research around Water Treatment — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 166 Belgium-affiliated papers.
- Ghent University60
- KU Leuven31
- Centre for Advanced Process Technology for Urban Resource Recovery14
- Flemish Institute for Technological Research11
- Ghent University Hospital8
- Adsorption7
- Membrane5
- Portable water purification3
- Desalination3
- Reuse3
- Wastewater3→12
- Adsorption1→8
- Membrane1→5
- Chlorine1→5
- Effluent2→6
- Reverse osmosis7
- Water quality4
- Contamination4
- Chlorine4
- Membrane3
Where water treatment 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.