Best Environment Tech Companies in Catalonia, Spain
The 79 best Environment Tech companies in Catalonia, Spain in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Submer.
Our analysis of 241 Environment Tech companies
$25.6b in tracked funding; 88% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment Tech companies in Catalonia
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Submer Manufacturer of liquid cooling systems for high density server hardware | $90M | 18 mo ago | 108 | Daniel Pope Co-Founder & CTO | WordPressMySQLPHP+23 | Top 5M | 3 patents Liquid cooling solutions for high‑performance computing hardware | 1 launch |
| 2 | WtE-As Provider of solutions to convert waste into fuel | $12M | 4 mo ago | 5 | Andres Ponce Founder & CEO | WordPressMySQLPHP+16 | Top 50M | — | — |
| 3 | Delfos Software technology for monitoring renewable energy products | $8M | 3 mo ago | — | Samuel Lima Co-Founder & CTO | WebflowAmazon Web ServicesGSAP+22 | Top 10M | — | 1 launch |
| 4 | EQTEC | $6M | 28 mo ago | 30 | David Palumbo CEO | WordPressMySQLPHP+19 | Top 10M | — | — |
| 5 | Enertika Provider of website hosting and domain name services. This company offers website hosting plans designed for… | $6M | 108 mo ago | 86 | — | — | — | — | — |
| 6 | Sadako Technologies Provider of an AI-based waste sorting robotic solution | $5M | 88 mo ago | 15 | — | — | — | — | — |
| 7 | AEInnova Offering solution to generate electricity from waste heat recovery systems | $4M | 30 mo ago | 19 | Raúl Aragonés Ortiz Founder | WordPressPleskMySQL+21 | Top 50M | — | 1 partnership · 1 award |
| 8 | Createch360º Provider of solutions for water treatment plant automation | $4M | 47 mo ago | 18 | Albert Mojal Co-Founder & President | WordPress Block EditorElementorWordPress+25 | Top 50M | — | — |
| 9 | Wattwin Provider of project management software for renewable energy businesses | $3M | 16 mo ago | 85 | Joan Ferrer Co-Founder & CEO | WordPressApple iCloud MailMicrosoft 365+30 | Top 10M | — | — |
| 10 | S&C SaaS-driven energy management solutions for commercial spaces | $3M | 61 mo ago | — | Narcis Avellana Co-Founder & CEO | — | — | — | — |
| 11 | Evoltio Provider of energy management solutions combining expert analysis with proprietary technology | $2M | 12 mo ago | — | Jaime Rocabert Co-Founder | WebflowCloudflare TurnstileHSTS+9 | Top 5M | — | — |
| 12 | Ledmotive Connected intelligent LED lightning solution | $2M | 86 mo ago | 6 | Meritxell Molins Co-Founder & CEO | — | — | — | — |
| 13 | Bettair Cities Provider of IoT-enabled air quality monitoring solutions | $2M | 56 mo ago | 12 | Josep Perello Ceo And Co-Founder | WordPressMySQLPHP+21 | Top 50M | — | — |
| 14 | Sens Solutions IoT platform providing real-time air and water monitoring solutions 22Talent top 38%Funding bottom 47%Market bottom 37%Global bottom 36% All 5 signals ▾Talenttop 38% Fundingbottom 47% Marketbottom 37% Globalbottom 36% Techbottom 32% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $1.8M across 2 rounds · 2 rounds over 8 yrs (0.2/yr) rank vs industry peers · Fliar Intelligence Index 22/100 | $2M | 14 mo ago | — | Marck Collado Co-Founder | — | — | — | — |
| 15 | Ocean Ecostructures Designs and implements Biodiversity Boosting Systems | $2M | 11 mo ago | 9 | — | WordPressMySQLPHP+21 | Top 10M | 4 patents Marine aquaculture devices and eco-friendly underwater construction materials | — |
| 16 | HONEXT Manufacturer of non-toxic, recyclable fibreboard, and other building materials | $1M | 62 mo ago | 16 | Pere Merino CEO | — | — | — | 1 launch · 3 awards |
| 17 | Dexma Provider of cloud-based energy management and analytics solutions | $1M | 69 mo ago | 70 | Guillem Corominas Co-Founder | WordPressMySQLPHP+40 | Top 5M | — | — |
| 18 | Candam Provider of recycling solutions using packaging recognition and fill-level sensor data 48AI top 20%Growth top 35%Talent top 38%Funding top 46% All 8 signals ▾AItop 20% Growthtop 35% Talenttop 38% Fundingtop 46% Techtop 50% Productbottom 45% Globalbottom 38% Marketbottom 23% AI: Classified as an AI company Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 48/100 | $1M | 4 mo ago | 22 | Miquel Solsona Co-Founder | WordPressMySQLPHP+27 | Top 50M | — | — |
| 19 | Nnergix Cloud-based data analytics forecasting platform | $831K | 102 mo ago | 17 | Joan Miquel Anglès Marín Sales Director & Co-founder | — | — | — | — |
| 20 | Hydromodel Host Groundwater and aquifer data management solution | $806K | 134 mo ago | — | Mikel Irízar CEO | — | — | 2 patents Cloud-based execution platforms for numerical simulation models | — |
| 21 | Roomonitor Guest management app for accommodation providers | $766K | 102 mo ago | 33 | Eduardo Suarez Co-Founder | WordPressBetterDocsZoho+46 | Top 5M | — | — |
| 22 | INDRESMAT Developer of bio-based polyurethane solutions for energy-efficient building thermal insulation | $731K | 65 mo ago | 10 | — | — | — | 8 patents Continuous casting of constant‑section polyurethane profiles for molded products | — |
| 23 | Inloc Robotics Provider of AI-powered SaaS platform for sewer condition assessment reports | $612K | 82 mo ago | 7 | Josep Mirats Founder & CTO | WordPressMySQLPHP+16 | Top 50M | — | — |
| 24 | Manglai AI-powered carbon footprint management platform | $539K | 7 mo ago | — | Andres Cester Co-Founder & CEO | Cart FunctionalityTurbopackEmotion+22 | Top 5M | — | 1 partnership |
| 25 | Smalle Technologies Provider of real-time fish farm monitoring solutions | $279K | 81 mo ago | 5 | — | — | — | — | — |
| 26 | OpenDomo Services Energy management system for homes and industries | $240K | 128 mo ago | 3 | Elisabet Cuenca Co-Founder & CEO | — | — | — | — |
| 27 | Smartive Provider of cloud-based monitoring solution for wind farm assets | $215K | 68 mo ago | 3 | — | — | — | — | — |
| 28 | Wattabit Energy Management Solution for Industries | $160K | 106 mo ago | 1 | — | WordPressMySQLPHP+22 | Top 50M | — | — |
| 29 | NanoChronia Provider of semiconductor gas sensor systems | $141K | 9 mo ago | — | Paul Brown Shute Co-Founder | — | — | — | 1 award |
| 30 | Ohmvo Provider of thin silicone heating mats | $111K | 72 mo ago | — | Jose Llaurado CEO | WordPressMySQLPHP+20 | Top 10M | — | — |
Top 12 Environment Tech companies in Catalonia
#1
Seed · Barcelona, Catalonia · founded 2016$8.2Mraised▾
Software technology for monitoring renewable energy products. It is a software technology company that specializes in providing AI based monitoring solutions for solar, wind, and hydro power plants. The software enables smart and predictable renewable energy production by predicting failures and optimizing performance.
- Mar 2026Seed$3.5M
- Jan 2024Seed$6.9M
- Apr 2021Seed$905.2K
- Feb 2019Seed$409.6K
#2
Series B · Barcelona, Catalonia · founded 2017 · 5 employees$11.8Mraised▾
Provider of solutions to convert waste into fuel. Its thermochemical conversion technology generates clean energy from waste feedstocks. The process takes place in a bubbling fluidized bed gasifier, where fuel and fluidizing agents react under auto thermal reduction conditions to generate synthesis gas. This gas is then treated by the WtEnergy-AS reforming process to remove all contaminants present in the residue.
- Feb 2026Series B$11.8M
- Dec 2022Series A—
#3
Series C · Barcelona, Catalonia · founded 2015 · 108 employees$89.5Mraised▾
Manufacturer of liquid cooling systems for high density server hardware. These products facilitate thermal management for computing infrastructure through immersion and direct chip cooling technologies. The hardware supports heat removal from processors to maintain operational stability in data processing environments. The systems are designed to integrate with existing server racks and cooling infrastructure to manage heat output from high performance computing components.
- Dec 2024Conventional Debt$20.9M
- Oct 2024Series C$55.5M
- Jan 2022Series C$34M
- Sep 2020Series A$12M
#4
Seed · Barcelona, Catalonia · founded 2017 · 22 employees$1.2Mraised▾
Provider of recycling solutions using packaging recognition and fill-level sensor data. The company offers recycling bins and rings that identify materials like PET bottles, metal cans, and glass. It combines scanning with acoustic AI detection for accuracy. The company aims to improve packaging recovery and waste collection.
- Feb 2026Seed—
- Oct 2024Seed$1.2M
- Aug 2022Grant (prize money)$613.2K
#5
Seed · Sant Cugat del Valles, Catalonia · founded 2024$2.2Mraised▾
Provider of energy management solutions combining expert analysis with proprietary technology. The company offers energy procurement, consumption monitoring, and invoice management. It helps businesses optimize energy contracts, track usage, and identify cost savings. The company delivers insights and tools for informed energy decisions. It also manages administrative tasks related to energy supply.
- Jun 2025Seed$2.2M
#6
Seed · Barcelona, Catalonia · founded 2023$538.8Kraised▾
AI-powered carbon footprint management platform. It provides carbon measurement and reduction solution using AI. It is designed for businesses for measuring, reducing, and certifying carbon footprints.
- Nov 2025Seed$1.2M
- Feb 2024Seed$538.8K
#7
Series A · Barcelona, Catalonia · founded 2021 · 9 employees$1.7Mraised▾
Designs and implements Biodiversity Boosting Systems. Combine scientific innovations and technologies to transform marine infrastructures and degraded areas in blue spaces, fostering biodiversity and restoring marine life. The services offered include analysis and dimensioning, system design, monetization tools design, impact measurement, structure construction, tools installation, impact and monetization model, etc.
#8
Series A · Barcelona, Catalonia · founded 2018 · 85 employees$3.1Mraised▾
Provider of project management software for renewable energy businesses. This software streamlines the design, sales, installation, and administrative processes for solar, geothermal, and electric mobility projects. It offers integrated tools for engineering calculations, proposal generation, project scheduling, and client communication. The platform automates tasks, improves efficiency, and provides real-time project tracking. Features include automated quoting, detailed budgeting, and centralized product catalogs. The software facilitates collaboration among engineering, sales, and installation teams, improving overall project management.
- Feb 2025Series A$3.1M
#9
Seed · Barcelona, Catalonia · founded 2015$1.8Mraised▾
IoT platform providing real-time air and water monitoring solutions
- Apr 2025Seed$1.7M
- Nov 2018Grant (prize money)$56.9K
#10
Seed · Barcelona, Catalonia · founded 2023$140.9Kraised▾
Provider of semiconductor gas sensor systems. It designs miniaturized metal oxide semiconductor (MOS) gas sensor systems to detect and monitor dangerous gases for a green carbon-free society.
- Sep 2025Seed$140.9K
#11
Public · Barcelona, Catalonia · founded 2005 · 30 employees$6.4Mraised▾
- Feb 2024Post IPO$631.3K
- Mar 2023Post IPO$4.3M
- Nov 2022Post IPO$1.5M
- Nov 2022Conventional Debt—
#12
Series B · Terrassa, Catalonia · founded 2014 · 19 employees$3.7Mraised▾
Offering solution to generate electricity from waste heat recovery systems. It is a system that can generate renewable energy from industrial waste heat using thermoelectric generators. Its patented microelectronic control system-based HEAT-R Waste Heat Recovering Units are lightweight modules with different geometries which is adaptable to any heat source and can be easily installed to recover waste heat into electricity.
- Dec 2023Series B$3.3M
- Aug 2020Series A$476K
- May 2020Grant (prize money)$563.1K
- Dec 2018Grant (prize money)$481.7K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Environment Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Environmental Monitoring is moving in Spain
A read on the academic research around Environmental Monitoring — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 550 Spain-affiliated papers.
- Consejo Superior de Investigaciones Científicas31
- Universitat Politècnica de València30
- Institute of Environmental Assessment and Water Research23
- Universitat Politècnica de Catalunya18
- Universidad Complutense de Madrid17
- Contamination1→6
- Agriculture1→5
- Pollution1→5
- Pollutant1→4
- Context (archaeology)3→5
- Biodiversity2→18
- Water quality2→17
- Environmental impact assessment1→10
- Contamination1→10
- Air quality index2→8
- European union2→15
- Human health1→10
- Risk assessment2→11
- Biodiversity2→10
- Water quality3→8
Where environmental monitoring is researched across Spain
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.