Best Energy Tech Companies in Brussels, Belgium
The 36 best Energy Tech companies in Brussels, Belgium in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Cowboy.
Our analysis of 287 Energy Tech companies
$109.4b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Tech companies in Brussels
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Cowboy Manufacturer of connected e-bikes with adaptive power and theft detection | $144M | 24 mo ago | Series D | Tanguy Goretti Co-Founder & CTO | 2017 | Cart FunctionalityShopifySentry+29 | 12 patents Innovative frame/fork components and electric bike integration for lightweight, modular bicycles | — |
| 2 | Companion.energy Energy management software | $2M | 28 mo ago | Seed | Thomas Vyncke Co-Founder | 2022 | WebflowGSAPAzure+29 | — | — |
| 3 | Zen Car Electric vehicle car sharing service | $2M | 134 mo ago | Seed | Juan Emilio Gonzalez Lopez Co-Founder | 2010 | — | — | — |
| 4 | Ethernetics Provider of solutions to automate data center operations | $2M | 38 mo ago | Seed | Jan Dezutter Co-Founder | 2019 | — | 8 patents Optimized power distribution units for data center rack‑mounted servers and network switches | — |
| 5 | Enersee AI-driven platform designed for energy managers to optimize energy utilization | $1M | 12 mo ago | Seed | Maarten Van De Vijver Founder & CTO | 2021 | WebflowApple iCloud MailMicrosoft 365+21 | — | 1 launch |
| 6 | Pleevi Provider of AI-based solutions for fleet charging | $1M | 19 mo ago | Seed | Wout Lagae Co-Founder & CEO | 2024 | Framer SitesReactPriority Hints+9 | — | 1 job opening |
| 7 | 24SEA Offshore monitoring and engineering service provider | $543K | 35 mo ago | Funding Raised | Freek Couttenier Co-Founder | 2011 | — | — | — |
| 8 | Zensor IoT-based monitoring for industrial assets | $280K | 42 mo ago | Seed | Yves Van Ingelgem Founder | 2013 | Cart FunctionalityStrikinglyNginx+23 | 6 patents Integrated force/strain sensing for fastened joints and smart monitoring systems | — |
| 9 | 3E Software solutions provider in the renewable energy sector | — | 41 mo ago | Funding Raised | Usha Poornima Founder | 1999 | Webflowcore-jsjQuery+15 | — | 2 job openings · 1 award |
| 10 | ImmoPass Provider of technical auditing services of properties | — | 74 mo ago | Seed | Guilmot Marc Co-Founder & CEO | 2018 | PHPYouTubeBootstrap+16 | — | — |
| 11 | haulogy SaaS-based meter data management & customer information systems | — | 102 mo ago | Series B | — | 2005 | WordPressApple iCloud MailGoogle Workspace+22 | — | — |
Top 12 Energy Tech companies in Brussels
#1
Series D · Brussels, Brussels · founded 2017 · 63 employees$143.7Mraised▾
Manufacturer of connected e-bikes with adaptive power and theft detection. The company offers step-over and step-through frame options with removable batteries and GPS tracking. The e-bikes have features such as carbon belt, wireless phone charger, and integrated lights. Additional features include auto-lock, theft alerts, crash detection, and ride statistics.
- Sep 2024Conventional Debt$1.1M
- Sep 2024Series D$4.4M
- Apr 2023Series C$1.7M
- Mar 2023Series C$10.5M
#2
Seed · Brussels, Brussels · founded 2021 · 5 employees$1.3Mraised▾
AI-driven platform designed for energy managers to optimize energy utilization. It helps detect issues, identify improvement areas, and make informed decisions.
- Sep 2025Seed$4.7M
- Jun 2023Seed$1.3M
#3
Seed · Brussels, Brussels · founded 2024$1Mraised▾
Provider of AI-based solutions for fleet charging. It develops AI-powered smart charging APIs to optimize fleet charging for cost efficiency and sustainability. Its software uses advanced forecasting and predictive control to ensure efficient energy usage without overloading the grid.
- Jan 2025Seed$1M
#4
Seed · Brussels, Brussels · founded 2022 · 2 employees$2.3Mraised▾
Energy management software. The software combines financial and operational data to forecast energy costs and optimize energy usage.
- May 2024Seed$2.3M
- 2023Seed—
#5
Seed · Brussels, Brussels · founded 2019 · 9 employees$1.6Mraised▾
Ethernetics provides solutions to automate data centre operations. It also provides dashboards based on measurement data. It uses machine learning and artificial intelligence technology to implement predictive maintenance of server power supplies, UPS and backup batteries. It also provides solutions for lower power cost, reduction of the total cost of ownership, and for certifications.
- Jun 2023Seed$1.6M
#6
Funding Raised · Brussels, Brussels · founded 2011$542.7Kraised▾
Offshore monitoring and engineering service provider. Offers testing, inspection services and develops short & long-term energy and health monitoring systems for offshore turbine structures. With core expertise in data analysis, offers solutions for structural dynamics, signal processing, system identification, and health monitoring using data mining techniques. Also, involved in the commissioning and decommissioning of the offshore turbine structures.
- Oct 2023Grant (prize money)$542.7K
#7
Seed · Brussels, Brussels · founded 2013 · 12 employees$280.1Kraised▾
Zensor offers an innovative technology to accurately detect anomalies and keep an eye on the functioning of assets. They serve enterprises in verticals like renewables, civil infrastructure, oil gas, and pipelines.
- Mar 2023Grant (prize money)$280.1K
- Mar 2017Angel—
#8
Seed · Brussels, Brussels · founded 2010 · 3 employees$2Mraised▾
Zen Car is a Belgium based electric car sharing service. The company has a fleet of all-electric vehicles which the users can book using the website and app. Post booking and use the customers have to return the cars at designated locations.
- Jul 2015Seed$2M
#9
Funding Raised · Brussels, Brussels · founded 1999—raised▾
Software solutions provider in the renewable energy sector. It provides software and consultancy services to the renewable energy sector. Developed a proprietary monitoring software called SynaptiQ, that monitors, reports and claims to improve the performance of solar and wind projects.
#10
Seed · Brussels, Brussels · founded 2018—raised▾
Immopass provides technical auditing services for properties for property owners and managers. Property buyers and managers can use its services to assess the condition of the property to avoid unexpected renovation costs.
- Jun 2020Seed—
#11
Series B · Brussels, Brussels · founded 2005 · 82 employees—raised▾
haulogy provides SaaS-based meter data management & customer information systems to grid operators and utility service providers in gas and power market. Has features like customer interaction, invoice generation, customer information databased, grid management, and others. Claims to send around 100M messages yearly to customers by users and issue 3.5M invoices to end-customers in 2016. Has more than 35 customers in its portfolio including belpower, Elexys, Total, Brussels AIrport, and others, as of Mar'18.
- Mar 2018Series B—
#12
Deadpooled · Brussels, Brussels · founded 2013 · 3 employees—raised▾
You Know Watt offers energy data analytics and non-intrusive load monitoring tools to engage commercial and residential consumers for utilities. Appliance signatures are recognised without the need to add intelligence or measuring hardware to the appliance. Consumption data is sent to the YKW-servers where algorithms distinguish the different appliances and their respective consumption.
- Jun 2015Series B—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Grid Energy Storage is moving in Belgium
A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 231 Belgium-affiliated papers.
- KU Leuven43
- Vrije Universiteit Brussel23
- UCLouvain22
- Ghent University21
- Flanders Make18
- Battery (electricity)2→19
- Cathode1→9
- Anode1→8
- Supercapacitor2→9
- Electrochemistry1→8
- Renewable energy1→23
- Battery (electricity)4→22
- Electricity1→9
- Supercapacitor1→8
- Flexibility (engineering)1→8
- Battery (electricity)1→7
- Nanotechnology1→6
Where energy storage 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.