Best Energy Efficiency Tech Companies in Switzerland
The 76 best Energy Efficiency Tech companies in Switzerland in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Locatee.
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 Switzerland
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Locatee Cloud-based space management solution for commercial spaces | $12M | 57 mo ago | Acquired | — | 2013 | — | 14 patents IoT-based monitoring and analytics for functional facility usage and occupancy | — |
| 2 | LEDCity Provider of AI-driven smart lighting products | $6M | 26 mo ago | Seed | Florian Gaertner-Wyniger Co-Founder | 2017 | WordPressApple iCloud MailMicrosoft 365+16 | — | — |
| 3 | ExerGo Online platform offering carbon capturing solutions | $4M | 39 mo ago | Seed | Daniel Favrat Co-Founder | 2018 | WordPressMySQLPHP+29 | 13 patents Patents concentrated in mechanical & energy engineering | — |
| 4 | Enerdrape Developer of geothermal panel technology for heating and cooling. | $2M | 29 mo ago | Seed | Alessandro Loria Co-Founder | 2019 | — | — | 1 launch |
| 5 | Urbio Provider of AI and IoT-based building energy management and grid planning solutions | $2M | 56 mo ago | Seed | Sebastien Cajot Co-Founder & CEO | 2020 | — | 2 patents AI-driven generation of urban planning scenario models | 2 launchs |
| 6 | Silentsoft SaaS-driven building energy and inventory monitoring solutions for commercial spaces | $2M | 219 mo ago | Seed | Fabio Cesa Co-Founder | 2001 | — | — | — |
| 7 | Novaccess End-to-end Industrial Internet of Things (IIoT) solutions for smart cities | $2M | 67 mo ago | Seed | Jean-Philippe Rey Co-Founder | 2011 | — | 4 patents IoT-enabled outdoor smart lighting systems and control devices | — |
| 8 | Viboo Provider of cloud-based building management system using IoT devices and AI | $2M | 8 mo ago | Series A | Felix Bunning Co-Founder & CEO | 2022 | WordPressPleskMySQL+20 | — | 3 job openings |
| 9 | Infrascreen Developer of energy-saving screens utilizing nanotechnology for horticultural applications | $2M | 49 mo ago | Seed | Henri Lalande Co-Founder & CEO | 2019 | — | 11 patents Protective shading and foldable screens for greenhouse and outdoor horticulture | — |
| 10 | E4tech Software Developer of building energy analysis software solutions | $963K | 77 mo ago | Funding Raised | Flavio Foradini Founder & CEO | 2009 | — | — | — |
| 11 | irmos Provider of structural health monitoring for buildings and critical infrastructure assets | $210K | 21 mo ago | Funding Raised | Christos Lataniotis Chief Information Officer | 2023 | Cart FunctionalitySquarespace CommerceSquarespace+17 | — | 3 job openings |
| 12 | Wattelse Building energy management system | $204K | 116 mo ago | Public | Martin Hofer Managing Director | 2012 | — | 2 patents Automated testing software for HVAC (heating, ventilation, air‑conditioning) systems | — |
| 13 | eSMART Provider of IoT-based energy management solutions for smart buildings | $172K | 95 mo ago | Funding Raised | Laurent Fabre Co-Founder | 2011 | WordPressMySQLPHP+26 | 3 patents Data transmission over power lines using PLC technology | — |
| 14 | enersis Provides Visual energy analytics platform for smart grids | $152K | 80 mo ago | Funding Raised | Thomas Koller Co-CEO | 2011 | WebflowVimeoTypekit+13 | — | — |
| 15 | Stignergy Building energy management system | $152K | 95 mo ago | Funding Raised | Sami Najjar Founder & CEO | 2012 | — | — | — |
Top 12 Energy Efficiency Tech companies in Switzerland
#1
Series A · Dubendorf, Zurich · founded 2022 · 7 employees$1.7Mraised▾
Provider of cloud-based building management system using IoT devices and AI. The system retrofits commercial buildings with wireless IoT devices, including smart radiator thermostats and room sensors. Using artificial intelligence, the system learns the thermal behavior of each room. It then optimizes heating based on occupancy and weather forecasts. The system is managed through a cloud-based cockpit.
- Oct 2025Series A$3.9M
- Sep 2023Seed$1.7M
#2
Seed · Zurich, Zurich · founded 2017 · 47 employees$5.5Mraised▾
Provider of AI-driven smart lighting products. The product offerings include smart bulbs, round lights, beam mount, wet room socket, pipe socket, and more. Additionally, it offers a dashboard that allows users to view and evaluate data, control autonomous light sources using AI, and more.
- Apr 2024Seed$2.2M
- May 2023Conventional Debt$2.9M
- Apr 2021Seed$2.1M
#3
Seed · Lausanne, Vaud · founded 2019 · 5 employees$2.2Mraised▾
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- Jan 2024Seed$1.5M
- Sep 2022Seed$150K
- 2022Seed$541.6K
- Jun 2021Grant (prize money)$166.8K
#4
Funding Raised · Dubendorf, Zurich · founded 2023 · 5 employees$210.2Kraised▾
Provider of structural health monitoring for buildings and critical infrastructure assets. The company offers solutions to manage risks, optimize costs, and minimize carbon emissions related to structural maintenance. It enables owners to make informed decisions regarding the integrity and traffic loads of their assets. The company's services focus on optimal maintenance prioritization and planning based on data.
- Sep 2024Grant (prize money)$41.4K
- May 2023Grant (prize money)—
- Apr 2023Grant (prize money)$168.8K
#5
Seed · Yverdon les Bains, Vaud · founded 2018$4.2Mraised▾
Online platform offering carbon capturing solutions. It provides sustainable heating and cooling services for communities. It turns CO2 into a dense, low-temperature fluid creating sustainable energy networks with increased efficiency compared to traditional fossil-fuel and water-based systems.
- Mar 2023Seed$1.1M
- Sep 2022Seed$3.2M
- Aug 2022Conventional Debt$518.7K
- 2022Seed—
#6
Acquired · Zurich, Zurich · founded 2013 · 54 employees$12.3Mraised▾
Cloud-based space management solution for commercial spaces. The product offerings include an employee engagement solution with features such as a colleague finder, room finder, desk finder, etc., a solution for facility managers to assign space and room, and a solution for corporate real-estate agents to track, monitor portfolios.
- Sep 2021Series A$8.4M
- May 2020Series A$3.9M
#7
Seed · Neuchatel, Neuchatel · founded 2019 · 7 employees$1.6Mraised▾
Developer of energy-saving screens utilizing nanotechnology for horticultural applications. The company designs screens intended to enhance energy efficiency within greenhouses. It focuses on bringing advanced materials to the horticulture sector.
- May 2022Seed$1.5M
- Mar 2021Seed$100K
- Oct 2020Conventional Debt$109.9K
#8
Seed · Sion, Valais · founded 2020 · 10 employees$2.1Mraised▾
Provider of AI and IoT-based building energy management and grid planning solutions. It provides software that centralises and merges data sources, including machine learning, to provide updated energy data from open and commercial sources. It also allows users to select planning areas, define targets, and resolve conflicts by visualising the tradeoffs and synergies between objectives to make decisions. It provides solutions to monitor and revise the energy measures of the project.
- Sep 2021Seed$2M
- Feb 2021Seed—
- Feb 2021Conventional Debt$110.3K
- Jan 2021Seed$150K
#9
Seed · Yverdon les Bains, Vaud · founded 2011 · 8 employees$2Mraised▾
Novaccess, a spin-off of the University of Applied Sciences and Arts - Western Switzerland, develops end-to-end Industrial Internet of Things (IIoT) solutions for smart cities. It offers a smart street lighting management system that uses smart controllers (OLC NEMA) which can be fixed on any streetlight. The controllers and the gateway form a radio mesh communication network that can be reused for other applications as well (such as traffic monitoring, remote control of screens in the city, etc). Additionally offers a central management system for managing the controllers; reporting light or ballast failures; dimming luminaries etc. As of Feb 2018, the company has deployed its solution in some parts of Lausanne,Switzerland.
- Nov 2020Seed$2M
- Nov 2020Conventional Debt$3.3M
#10
Seed · Morges, Vaud · founded 2001 · 18 employees$2Mraised▾
SaaS-driven building energy and inventory monitoring solutions for commercial spaces. It also designs, manufactures, and installs GSM transmitters. Its telemetry solution enables automated real-time communication between machines, as well as provides critical business information to customers.
- Feb 2008Seed$2M
#11
Funding Raised · Lausanne, Vaud · founded 2009$963.5Kraised▾
Developer of building energy analysis software solutions. It provides software and tools for building energy professionals, companies, governments, and research centers. The company develops these solutions in partnership with other organizations to create specific software tools. Its software addresses building physics and energy analysis across various energy forms.
- Dec 2019Grant (prize money)$443.3K
- Dec 2019Grant (prize money)$520.2K
- Jan 2015Grant (prize money)—
#12
Funding Raised · Renens, Vaud · founded 2011 · 49 employees$171.9Kraised▾
Provider of IoT-based energy management solutions for smart buildings. Its solution includes an IoT system that allows the users to control the functionalities & a gateway that connects the infrastructure. Features include controlling temperature and energy consumption, video surveillance, accessibility with the user's smartphone, among others. Its app is available on Android and iOS platforms.
- Jun 2018Grant (prize money)$58.2K
- Mar 2018Grant (prize money)$61.3K
- Apr 2015Grant (prize money)$52.3K
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
How research on Energy Efficiency & Buildings is moving in Switzerland
A read on the academic research around Energy Efficiency & Buildings — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 276 Switzerland-affiliated papers.
- ETH Zurich57
- École Polytechnique Fédérale de Lausanne34
- University of Geneva27
- Ostschweizer Fachhochschule OST25
- Lucerne University of Applied Sciences and Arts25
- Heat pump4→6
- Heat pump25→62
- Renewable energy4→20
- Electricity5→19
- Heat exchanger5→15
- Mechanical engineering4→12
- Heat pump2→14
Where energy efficiency is researched across Switzerland
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
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.