Best Energy Efficiency Tech Companies in Flanders, Belgium
The 42 best Energy Efficiency Tech companies in Flanders, Belgium in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: REstore.
Our analysis of 50 Energy Efficiency Tech companies
$7.8b in tracked funding; 86% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Efficiency Tech companies in Flanders
| # | Company | Last round | Disclosed funding | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | aug.e Smart energy software platform for buildings and energy transition | — | — | 22 | 2021 | Stefan Lodeweyckx Co-Founder | — | — | — |
| 2 | BBC Bircher Smart Access Developer of sensor solutions for automated access and safety applications | — | — | — | 1957 | Josef Gross CEO | StoryblokVue.jsNginx+11 | — | — |
| 3 | byNubian Analytics for building sensor data | — | — | 3 | 2015 | Laurent Marlein Co-Founder | — | — | — |
| 4 | Carbonhex Provider of smart heat exchangers to manage carbon footprints | — | — | — | 2018 | Matthijs Rabaey CEO | — | — | — |
| 5 | Charp Real time data monitoring and energy usage optimization | — | — | — | 2023 | Geert Bauwens Founder & MD | — | 2 patents Multi-sensor detection systems for integrated environmental and safety monitoring | — |
| 6 | Duotecno Smart automation solution provider | — | — | 11 11 → 18 (+64%) | 2002 | Burt Eeckhout Owner | Craft CommerceCraft CMSPHP+15 | — | 1 partnership |
| 7 | Energcon Provider of energy management solutions | — | — | 1 | 2009 | — | — | — | — |
| 8 | Energy Design Provider of SaaS-driven energy measuring & management solutions | — | — | — | 2010 | Johan Roggeman Founder & Owner | — | — | — |
Top 12 Energy Efficiency Tech companies in Flanders
#1
Seed · Ghent, Flanders · founded 2018 · 15 employees$5.1Mraised▾
Provider of SaaS platform for billing and customer interaction for heating. The platform streamlines invoicing processes and facilitates transparent communication with end consumers through a self-service portal. It offers features such as predicting invoice amounts and providing real-time overviews of billed and unbilled amounts. The platform supports meter-to-cash processes, aiming to simplify invoicing, cash collection, and cost allocation. It integrates into existing IT landscapes, offering automated billing and customer service.
- Sep 2024Seed$2.8M
- Sep 2022Seed$2.3M
#2
Series A · Ghent, Flanders · founded 2020 · 10 employees$3.3Mraised▾
Manufacturer of quantum dot LED solution. It manufactures quantum dots that can be applied to LED, watches, mobile phones, and goggles. They are tiny semiconductors that transform UV light into other pure colors. It can also be used in smartphones, AR/VR goggles, and more.
- 2023Grant (prize money)$6.6M
- Sep 2022Grant (prize money)$705.3K
- Feb 2020Series A$3.3M
#3
Seed · Antwerp, Flanders · founded 2016 · 1 employees$5.5Mraised▾
SaaS-driven meter reading and energy management solutions. The platform analyzes consumption and accordingly finds ways to reduce energy usage. The platform enables users to change energy suppliers, track consumption, analyze solar production, and more.
- Aug 2022Seed$3.1M
- Jul 2018Angel$2.5M
#4
Series B · Antwerp, Flanders · founded 2012 · 11 employees$11.8Mraised▾
Waste heat recovery solutions. It offers a chemical process to recycle waste heat to a more helpful level than conventional heat pumps by recycling heat from industrial waste in the steam process to be reused. It uses liquid polyphosphates in a two-stage process to capture heat from hot water or low-grade steam. In the first reactor, the waste heat drives a condensation reaction to make phosphate oligomers, releasing water. In the second reactor, water is added back and has a hydrolysis reaction that releases heat.
- Sep 2021Series B$11.8M
- Oct 2016Grant (prize money)$483.1K
#5
Series A · Harelbeke, Flanders · founded 2012 · 18 employees$2.7Mraised▾
Provider of energy management and charging solutions for homes and businesses. The company offers systems to control and monitor energy use efficiently. These systems allow users to direct energy to consumers and storage. The company also provides charging stations for electric vehicles. It serves installers and energy service providers with energy efficiency products.
- Jan 2023Grant (prize money)—
- Jan 2016Series A$2.7M
#6
Series A · Antwerp, Flanders · founded 2015 · 8 employees$2Mraised▾
SaaS-driven integrated workspace management solution for facility managers. The solutions are provided for workplaces, serviced offices, coworking spaces, and multi-tenant environments. It offers features including desk booking, meeting room management, visitor management, and more. Their apps are available for Android & iOS devices.
- Sep 2022Series A$2M
#7
Acquired · Antwerp, Flanders · founded 2010 · 50 employees$11.9Mraised▾
REstore provides automated demand response program solutions to utilities and industries. Allows utilities to deploy Demand Response programmes across their C&I customers through its platform 'FlexPond' with the real-time balancing feature. Industry players can subscribe to the platform and participate the demand response programmes initiated by utilities. Claims that it manages a portfolio of over 1,7 GW of peak flexible load in UK, France, Germany, and Benelux, as of Mar'18. Clientele list includes National Grid, Arcelor Mittal, Amprion, Tereos among others.
- Jul 2015Series C$7.7M
- Oct 2012Series B$4.2M
#8
Acquired · Hasselt, Flanders · founded 2008 · 70 employees$10.1Mraised▾
Developer of an industrial analytics platform for operational performance improvements. The platform offers capabilities for data contextualization, monitoring, reporting, and collaboration. It provides solutions for asset performance management, operations performance management, and safety. The platform helps users gain insights and make data-driven decisions.
- Jul 2016Series A$1.1M
- Dec 2015Series A$6M
#9
Acqui-Hired · Antwerp, Flanders · founded 1989 · 12 employees$6.6Mraised▾
SaaS-driven facility and workplace management software solution
#10
Series B · Ghent, Flanders · founded 2013 · 42 employees$262.6Kraised▾
Equipment monitoring and tracking software provider. It provides cloud-based equipment inventory management software that allows users to register, monitor, and track the equipment. It offers product features such as inventory monitoring and tracking, maintenance management, reservation management, check-in and check-out using QR codes, alerts, notifications, and more.
- Mar 2022Series B$15M
- Sep 2014Seed$262.6K
#11
Funding Raised · Genk, Flanders · founded 2017 · 8 employees$599.6Kraised▾
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- Jun 2020Grant (prize money)$100.7K
- Oct 2019Grant (prize money)$498.9K
- May 2019Grant (prize money)—
#12
Funding Raised · Antwerp, Flanders · founded 2015 · 1 employees$350.3Kraised▾
Condugo is a provider of an energy management platform for industrial use. The Energy Hub software collects all energy data from all parts of the industry and prepares reports which can be used by professionals to make decisions. Steps involved include the central collection of energy data, dashboarding and reporting,
- Jun 2020Grant (prize money)$241.3K
- Apr 2020Grant (prize money)$54.3K
- Nov 2019Grant (prize money)$54.7K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Efficiency Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Flanders researches in energy efficiency
- Flanders Make14
- University College West Flanders2
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.