Top Energy Efficiency Startups in Spain (2025 Update)
Explore the best Energy Efficiency companies in Spain. Discover high-growth startups and investment opportunities in our 2025 updated list.
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Explore Top Energy Efficiency Startups in Spain featuring 63 Companies
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ezzing | - | The online platform that optimizes the entire value chain of the solar industry... | Solar made easy. ezzingSolar is the “all-in-one” solution that simplifies the ph... | - |
Spain
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- | Spain (HQ) | 2013 | Energy, Industrial +3 | [email protected] |
1
Low
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44
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11.7K (48%) | 1 year ago | Series Unknown | 4 | 4.5M | 5594 | 1 year ago | |
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Submer | 1 month ago mentioned on Thenextweb. (View) | Datacenters that make sense | We enable next generation cooling and automation for data & energy-intense envir... | - |
Spain
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- | Spain (HQ) + 1 | 2015 | Automation, Cloud Infrastructure +4 | [email protected] |
1
Low
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125
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965 (-100%) | 8 months ago | Growth Round | 6 | 51.1M | 20246 | 7 months ago | |
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HESStec (Hybrid Energy St... | - | Unleash the power inside | Hybrid Energy Storage Solution Ltd. (hereinafter called HESS Ltd.) is a technolo... | - |
Spain
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- | Spain (HQ) + 1 | 2018 | Energy, Renewable Energy +3 | [email protected] |
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Low
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38
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434 (-51%) | 4 years ago | Series A | 2 | 3.6M | 4641 | 3 months ago | |
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Smarkia | - | Revolutionizing the paradigm of energy management in a maverick way. | Smarkia is the world's leading SaaS Energy Management Platform that has (R)evolu... | - |
Spain
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- | Spain (HQ) | 2011 | AI, Cyber Security +5 | [email protected] |
1
Low
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62
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1.3K (30%) | 12 years ago | Seed | 2 | 700.0K | 6968 | 7 months ago | |
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IEQSY | - | Improve Energy Quality Systems | IEQSY somos una compañía que cuenta con una tecnología única, innovadora y difer... | - |
Spain
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- | Spain (HQ) | 2017 | Energy, Energy Efficiency | [email protected] |
1
Low
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21
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216 (-82%) | 2 years ago | Series Unknown | 1 | 10.0M | 978 | 4 months ago | |
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-Electrodes-&-Anti-Corrosion-Coatings-logo. "Jolt - Activated (CCS & CCM) Electrodes & Anti-Corrosion Coatings"){kind=logo}
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Jolt - Activated (CCS & C... | - | Setting the 21st Century Standard for Electrodes & electro-catalytic / protectiv... | No electrodes - No hydrogen: At Jolt, we understand that electrolyser, fuel cel... | - |
Spain
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- | Spain (HQ) + 1 | 2022 | Manufacturing, Renewable Energy +3 | [email protected] |
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Low
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15
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630 | 2 years ago | Series A | 1 | 6.0M | 2628 | 11 months ago | |
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OPTIMITIVE Group | - | EFFICIENT AND SUSTAINABLE OPERATIONS IN PROCESS INDUSTRIES BY MEANS OF ARTIFICIA... | OPTIMITIVE provides high-tech operational optimization solutions through Advance... | - |
Spain
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- | Spain (HQ) + 2 | 2008 | Information Technology, Energy Efficiency | [email protected] |
1
Low
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29
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37 | 2 years ago | Series B | 14 | 9.4M | 877 | 5 months ago | |
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Suntropy | - | La caja de herramientas digital desarrollada por y para profesionales del sector... | Suntropy es la herramienta perfecta para las empresas de energía solar que quier... | - |
Spain
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- | Spain (HQ) | 2021 | Energy, Productivity +2 | [email protected] |
1
Low
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7
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38836 | - | Grant | - | 100.0K | 2733 | 4 months ago | |
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Natural Machines | - | Treat your customers as individuals with personalized products. 3D printing solu... | Enabling our customers to create personalized pharmaceutical drugs, facial skin... | - |
Spain
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- | Spain (HQ) + 3 | 2012 | B2B, Computer Vision +7 | [email protected] |
1
Low
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10
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42778 | - | Series A | - | 5.7M | 4095 | 5 months ago | |
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Silbat Energy Storage Sol... | - | Long-Duration Energy Storage in Melting Silicon | We are developing a long-duration (100hrs) battery based on the latent heat of f... | - |
Spain
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- | Spain (HQ) + 2 | 2019 | Energy, Renewable Energy +2 | [email protected] |
1
Low
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5
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1.1K | 2 years ago | Series Unknown | 6 | 2.7M | 608 | 4 months ago | |
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Nido | - | Decarbonizing homes. One heat-pump at a time | Heating & cooling accounts for nearly half of all energy consumption and 40% of... | - |
Spain
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- | Spain (HQ) + 2 | 2023 | Energy Efficiency | [email protected] |
1
Low
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42
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1.7K (144%) | 4 months ago | Seed | 2 | 5.0M | 1419 | 3 months ago | |
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Mirubee | - | - | Mirubee is a Spanish Startup based in Madrid which provides revolutionary energy... | - |
Spain
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- | Spain (HQ) + 1 | 2011 | Energy, Energy Efficiency | [email protected] |
1
Low
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2
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327 | 11 years ago | Seed | 4 | 790.2K | 188 | 5 dzl t4G | |
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GEEZAR Soluciones SL | - | - | Desarrollo y comercialización de tecnologías de monitorización. Ingeniería de en... | - |
Spain
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- | Spain (HQ) | 2013 | Energy, Renewable Energy +1 | [email protected] |
1
Low
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2
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74028 | - | Grant | - | 50.0K | 138 | 9 months ago | |
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Dynargy | - | Dynargy offers digital technologies to meet the challenge of sustainability and... | A cloud based application that collects and process data, helping energy retaile... | - |
Spain
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- | Spain (HQ) | 2018 | Energy, SaaS +2 | - |
1
Low
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2
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786 (-100%) | - | - | - | - | 102 | 1 Tbh Hab | |
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OPERIT Analytics | - | Building Analytics in Operation |
OPERIT is Analytics and diagnostics for the operation of buildings. Services, s... |
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Spain
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- | Spain (HQ) | 2018 | Analytics, Big Data +3 | [email protected] |
1
Low
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1
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351 (-100%) | - | - | - | - | 69 | 10 months ago | |
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OW Ocean Winds | - | LET’S COWRITE THE FUTURE OF ENERGY TOGETHER | Ocean Winds (OW) is an international company dedicated to offshore wind energy a... | - |
Spain
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- | Spain (HQ) | 2020 | Energy, Renewable Energy +3 | [email protected] |
1
Low
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674
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8.0K (-33%) | - | - | - | - | 114991 | 3 months ago | |
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Konery | - | IMPULSA TU ENERGÍA ☀️🔋 | Somos una ingeniería cuya misión es la mejora de la eficiencia energética e impl... | - |
Spain
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- | Spain (HQ) | 2011 | Energy, Renewable Energy +1 | [email protected] |
1
Low
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52
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8.8K (577%) | - | - | - | - | 5672 | 5 months ago | |
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Solarev Autoconsumo Solar | - | Autoconsumo Solar, instalaciones fotovoltaicas e integración fotovoltaica | SolareV diseña y ejecuta sistemas de Autoconsumo solar en empresas e instalacion... | - |
Spain
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- | Spain (HQ) | 2010 | Energy, Renewable Energy +1 | - |
1
Low
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3
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547 (-25%) | - | - | - | - | 599 | 9 months ago | |
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AvanGreen Energy Solution... | - | Nuevas energías para una nueva era. |
Energy Management Energy plants Construction, Operation and Maintenance (renewa... |
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Spain
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- | Spain (HQ) | 2006 | Renewable Energy, Sustainability +1 | - |
1
Low
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12
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938 (-100%) | - | - | - | - | 636 | 1 year ago | |
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Enovam | - | Tu Partner Energético. Gestionamos el área energética de nuestros clientes como... | Enovam es líder en la gestión energética, operando en la actualidad con +1.000 e... | - |
Spain
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- | Spain (HQ) | 2015 | Energy Efficiency | - |
1
Low
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30
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225 (-100%) | - | - | - | - | 662 | 5 months ago | |
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REGENERA | - | The opportunity to innovate, is always with us | Establecida en 2007, REGENERA es una PYME y Empresa de Servicios Energéticos (ES... | - |
Spain
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- | Spain (HQ) | 2007 | Renewable Energy, Energy Efficiency | - |
1
Low
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39
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936 (-4%) | - | - | - | - | 2146 | 3 H8v b9G | |
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GREENFY | - | EL NUEVO REFERENTE EN ASESORAMIENTO EN ENERGÍAS RENOVABLES | Somos expertos en energías renovables y tu mejor opción para guiar la transición... | - |
Spain
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- | Spain (HQ) | 2020 | Renewable Energy, Semiconductor +1 | - |
1
Low
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3
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49 | - | - | - | - | 552 | 1 year ago | |
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Creara, Energy Experts | - | La eficiencia, la gestión energética y las energías renovables son nuestra pasió... | Creara es una empresa especializada en el ahorro y la eficiencia energética.... | - |
Spain
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- | Spain (HQ) | 2003 | Renewable Energy, Energy Efficiency | [email protected] |
1
Low
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54
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3.0K (-29%) | - | - | - | - | 12511 | 5 months ago | |
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ICIDE Energía Solar Fotov... | - | ☀Instalación de sistemas de autoconsumo. 🛠Servicio técnico oficial Fronius y Vic... | Empresa proyectista - instaladora de sistemas de energía solar fotovoltaica. Ins... | - |
Spain
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- | Spain (HQ) | 2012 | Energy, Renewable Energy +3 | [email protected] |
1
Low
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2
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387 (-100%) | - | - | - | - | 553 | 1 year ago | |
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Som Energia | - | Non-profit consumer cooperative producing and supplying renewable energy to its... | The first renewable energy production and consumption cooperative of Spain. Prob... | - |
Spain
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- | Spain (HQ) | 2010 | Energy, Renewable Energy +1 | [email protected] |
1
Low
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131
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48.5K | - | - | - | - | 17363 | 7 months ago | |
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VT Batteries | - | #PowerToKeepYouGoing | VT BATTERIES es una distribuidora especializada en baterías. Desde 2012, hemos c... | - |
Spain
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- | Spain (HQ) | 2012 | Energy Efficiency, Energy Storage | [email protected] |
1
Low
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24
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4.4K (-38%) | - | - | - | - | 1755 | 5 months ago | |
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Sima Servicios Integrales... | - | Somos energía | Empresa de servicios energéticos especializada en renovables, gas (GNL-GNV-GNC),... | - |
Spain
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- | Spain (HQ) + 6 | 1993 | Energy, Energy Efficiency +1 | [email protected] |
1
Low
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63
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1.1K (85%) | - | - | - | - | 1174 | 1 year ago | |
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Letter Ingenieros | - | «La experiencia, nuestro principal valor» | We offer companies efficient solutions with the best consulting and engineering... | - |
Spain
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- | Spain (HQ) + 1 | 2013 | Renewable Energy, Energy Efficiency | [email protected] |
1
Low
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30
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878 (-100%) | - | - | - | - | 2225 | 5 months ago | |
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AGEFRED | - | Un paso adelante en la gestión técnica de la energía | Agefred se destaca como líder en Cataluña en el ámbito de servicios energéticos,... | - |
Spain
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- | Spain (HQ) | 1974 | Energy, Energy Efficiency | [email protected] |
1
Low
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134
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632 (-2%) | - | - | - | - | 2871 | 5 months ago | |
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Libergia | - | Innovación Industrial para una transición energética y Economía Circular | Libergia es una empresa especializada en el desarrollo y co-inversión de proyect... | - |
Spain
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- | Spain (HQ) | 2020 | Industrial, Energy Efficiency | [email protected] |
1
Low
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5
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106 | - | - | - | - | 375 | 1 year ago | |
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Avanzalia Energía | - | Pásate al Autoconsumo | En Avanzalia Energía no solo nos preocupamos de que pagues menos por tu factura... | - |
Spain
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- | Spain (HQ) | 2006 | Energy, Renewable Energy +1 | [email protected] |
1
Low
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20
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754 | - | - | - | - | 2126 | 6 months ago | |
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BROCALSA - Innovación&Ene... | - | Líderes en electrificación y automatización | Durante más de 40 años en BROCALSA ofrecemos soluciones integrales de Ingeniería... | - |
Spain
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- | Spain (HQ) | 1940 | Energy, Industrial +1 | [email protected] |
1
Low
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23
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514 (-13%) | - | - | - | - | 748 | 5 VD2 Izo | |
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Aire Limpio | - | Nos importa el aire que respiras | Aire Limpio es una compañía especializada en soluciones de filtración, ventilaci... | - |
Spain
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- | Spain (HQ) | 1999 | Energy Efficiency | [email protected] |
1
Low
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71
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1.2K (-14%) | - | - | - | - | 3763 | 5 months ago | |
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Controlia | - | Organismo de Control Técnico de la Edificación | CONTROLIA es un Organismo de Control Técnico independiente dentro del marco del... | - |
Spain
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- | Spain (HQ) | 2000 | Analytics, IT +1 | [email protected] |
1
Low
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19
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940 (41%) | - | - | - | - | 225 | 5 months ago | |
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Solar SG | - | Ofrecemos un servicio integral en el campo de las energía renovables realizando... | Ofrecemos un servicio integral en el campo de las energía renovables realizando... | - |
Spain
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- | Spain (HQ) | 2006 | Energy, Renewable Energy +1 | [email protected] |
1
Low
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18
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5.3K | - | - | - | - | 1490 | 5 months ago | |
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INTELEC | - | El futuro es de los que hacen |
En Intelec creemos que el futuro que queremos es de los que hacen. Estamos const... |
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Spain
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- | Spain (HQ) | 2002 | Energy, Energy Efficiency | [email protected] |
1
Low
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78
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126 (-64%) | - | - | - | - | 2739 | 6 months ago | |
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Garcigas Instalaciones | - | #tedamosenergía | Empresa líder en el sector energético fundada en 1982, hoy se posiciona a la van... | - |
Spain
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- | Spain (HQ) | 1982 | Renewable Energy, Energy Efficiency +1 | - |
1
Low
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44
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991 (-1%) | - | - | - | - | 272 | 9 TWn xyc | |
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Qualifying Photovoltaics... | - | High added value services to maximize the profitability of PV investments. | QPV is a tech company located in Madrid that operates in the area of renewable e... | - |
Spain
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- | Spain (HQ) | 2016 | Energy, Industrial +1 | [email protected] |
1
Low
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23
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3.0K (279%) | - | - | - | - | 2514 | 5 months ago | |
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Zehnder Group Ibérica | - | always the best climate. Proporcionamos el mejor clima interior a través de nues... | Zehnder Group desarrolla, produce y comercializa radiadores de diseño, sistemas... | - |
Spain
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- | Spain (HQ) + 1 | 1895 | Manufacturing, Energy Efficiency | [email protected] |
1
Low
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25
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3.6K (177%) | - | - | - | - | 3319 | 5 months ago | |
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Girowatt Grup 360° | - | Tu Transparency Business Partner 🚀 #renting #capitalprivado #fotovoltaica #ener... | MVP Finance y Girowatt se unen con la finalidad de constituir la consultoría def... | - |
Spain
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- | Spain (HQ) | 2022 | Energy, Finance +1 | [email protected] |
1
Low
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4
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407 (29%) | - | - | - | - | 916 | 5 months ago |