Best Environment Companies in Barcelona, Spain
The 37 best Environment companies in Barcelona, Spain in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: SolarMente.
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 Barcelona
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | agbar Agbar is management of water and the environment, continuously applying new developments, technological. | — | — | Acquired | 702 | — | WordPressMySQLPHP+21 | — | — |
| 2 | Air Net Salas Limpias Designer and builder of cleanroom air treatment systems | — | — | Unfunded | — | Xavier Lucea Co-Founder & CEO | — | — | — |
| 3 | BB Energetic Group Developer of solar charging devices and kits | — | — | Deadpooled | — | Sergi Ballester Buendia Founder | — | — | — |
| 4 | eco-sistems Eco-Sistems designs and manufactures seawater desalination plants with built-in energy recovery systems. | — | — | Private | 4 | — | WordPressMySQLPHP+26 | — | — |
| 5 | enerGO consulting Ofrecemos servicios exclusivos de asesoramiento energético para pymes, grandes empresas y particulares a… | — | — | — | 12 | — | Tailwind CSSSvelteAstro+8 | — | — |
| 6 | Enerside Solar PV and Wind project Developer | — | — | Public | 314 | — | WordPressMySQLPHP+27 | — | — |
| 7 | Engel Energy Provider of solar panel installation services | — | — | Unfunded | 145 | — | Apache HTTP ServerCloudflareHubSpot+19 | — | — |
| 8 | Engel Solar Developer of solar energy projects | — | — | Unfunded | 120 | — | WebAssemblyElement UIEnvoy+8 | — | — |
Top 12 Environment companies in Barcelona
#1
Public · Barcelona, Catalonia · founded 2010 · 287 employees$28Mraised▾
Holaluz supplies electric power to residential and small-medium enterprises in Spain. Claims to manage complete services through online and supply 100% renewable energy. Purchases power from renewable projects through physical bilateral contracts. Other services are natural gas supply, installation of e-vehicle charging station, installation of solar system and energy storage systems.
- Nov 2024Post IPO$15.8M
- Jan 2022Post IPO$7.6M
- Sep 2021Grant (prize money)$138.3K
- Feb 2016Series A$4.3M
#2
Seed · Barcelona, Catalonia · founded 2022 · 8 employees$1.1Mraised▾
It is a company that operates as a marketplace for the self-consumption of solar energy. They provide personalized photovoltaic installation services for homes and businesses.
- Sep 2025Seed$4.7M
- Sep 2023Seed$1.1M
- 2022Seed$1.1M
#3
Seed · Barcelona, Catalonia · founded 2019 · 32 employees$55.2Mraised▾
Provider of solar panel installation services
- Mar 2024Seed—
- Apr 2023Seed$55.1M
- Sep 2021Seed$125K
- 2020Seed—
#4
Series A · Barcelona, Catalonia · founded 2021 · 94 employees$14.6Mraised▾
Provider of solar panel installation services
- Oct 2023Conventional Debt$3.2M
- Mar 2023Series A$10.6M
- Feb 2022Seed$4M
#5
Funding Raised · Barcelona, Catalonia · founded 2007$1.8Mraised▾
Provider of hydrometeorological impact forecasting solutions. It offers integrated mobile and desktop applications delivering real-time data, products, warnings, and protection plans to manage weather-induced hazards. The approach focuses on impact forecasting, enabling proactive management by anticipating effects on critical elements and triggering response protocols in advance. High-resolution local vulnerability models are integrated for hyperlocal impact assessments. Services include 24/7 technical support, post-event analysis, and iterative service updates. Clients can incorporate their own data and build custom products and warnings. The service covers all key aspects of emergency management, from setup to post-event audits.
- Oct 2023Grant (prize money)$477.3K
- Sep 2018Grant (prize money)$351.8K
- Jun 2018Grant (prize money)$311.1K
- Jan 2018Grant (prize money)$361.2K
#6
Funding Raised · Barcelona, Catalonia · founded 2004$359.3Kraised▾
Provider of sustainable building strategies, consulting, audits, and training services. The company specializes in technical consulting, training, education, communication, research and development, and green building practices. It aims to advance sustainability in building and construction by employing a circular economy approach, focusing on closing material cycles, reducing demand, and efficiently managing energy and resource use. The company develops environmental policies for private and public institutions, studying regulations and internal processes to reduce environmental impacts. It designs HVAC installations to maximize energy efficiency and minimize operating costs, determining the best power adjustments based on dynamic annual studies and building power schedules.
- Jun 2023Grant (prize money)$359.3K
#7
Funding Raised · Barcelona, Catalonia · founded 2015$1.5Mraised▾
Developer of desalination system for wastewater treatment
- Oct 2016Grant (prize money)$1.5M
#8
Seed · Barcelona, Catalonia · founded 2008 · 3 employees$531.9Kraised▾
Developer of electro-denitrification technology designed to offer clean nitrate removal without waste generation. The company's technology removes nitrates and ammonia from water for conversion to nitrogen, hydrogen, and oxygen gas, without generating any type of solid or liquid waste, enabling public or private businesses to have access to a technology that is competitive, environmentally friendly, and does not generate toxic waste requiring treatment.
- Jan 2018Grant (prize money)$1.1M
- Jan 2017Seed$531.9K
- Dec 2015Grant (prize money)$980.8K
#9
Funding Raised · Barcelona, Catalonia · founded 2003 · 15 employees$482.8Kraised▾
Developer of solar lighting solutions with integrated environmental sensors. The company provides urban solar lighting solutions, integrating environmental sensors for real-time data capture of air quality, noise levels, and UV radiation. It offers smart solar lighting technology and facilitates the creation of smart city infrastructure. The company's solutions also accommodate mobile technology integration for deploying networks. The company designs solar streetlights and offers remote monitoring systems.
- Sep 2018Grant (prize money)$58.1K
- Mar 2015Grant (prize money)$424.7K
#10
Funding Raised · Barcelona, Catalonia · founded 2015 · 7 employees$109.4Kraised▾
Provider of renewable energy services intended to leverage solar energy. The company's services involve the implementation of projects for the generation of electrical energy from solar energy or hydraulic energy, enabling clients to build and run renewable energy projects easily.
- Apr 2020Grant (prize money)$54.3K
- Dec 2019Grant (prize money)$55.1K
#11
Funding Raised · Barcelona, Catalonia · founded 2008$52.4Kraised▾
It designs sustainable products and offers eco-innovation consulting and training. The company specializes in creating products and packaging using circular economy principles. It assists clients in incorporating sustainable practices throughout their projects, connecting them with a network of suppliers and experts. Furthermore, it provides environmental consulting services, including life cycle analyses and circularity reports, to help businesses improve their environmental performance. It also conducts training workshops and research in circular economy and eco-design, utilizing design thinking methodologies.
- Nov 2016Grant (prize money)$52.4K
#12
Acquired · Barcelona, Catalonia · founded 2000 · 159 employees—raised▾
Developer of wind and solar energy projects
- Sep 2021Seed—
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 Barcelona researches in environmental monitoring
- Universitat de Barcelona16
- Universitat Autònoma de Barcelona8
- Barcelona Institute for Global Health3
- Barcelona Institute of Science and Technology2
- Barcelona Media2
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.