Best Environment Companies in Ireland
The 181 best Environment companies in Ireland in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Mainstream Renewable Power.
Ireland's Environment sector is moving fast enough right now that ranking the 181 companies we track by disclosed equity funding and recent momentum actually tells you something useful. Total disclosed funding sits at $1.7B across the cohort, with SuperNode leading at $39M, ePower at $20M, and Glanua at $18M rounding out the top tier. No unicorns yet, but the capital is concentrating. The global environmental services market hit $68.8B in 2024 and is forecast to reach $73.5B by 2025 at a 5.3% CAGR, driven by tightening climate regulations and infrastructure pressure. And Ireland's climate targets are generating real urgency on the policy side, which you can feel in where Enterprise Ireland and the EIC Fund are placing bets.
So what's the underlying signal? Median install growth of roughly +20% year-on-year across 161 environmental and renewables apps tells you digital adoption inside this sector isn't lagging the funding story. How external shifts reshape startup strategy is a live question for every founder in this directory right now, not a theoretical one. Hot themes this quarter are climate mobilization and transformational leadership, and I'd argue the companies in this list that are building around those narratives, rather than waiting for regulation to force the issue, are the ones worth watching first.
- Research Reports World
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 Ireland
| # | Company | Disclosed funding | Last round | Employees | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Mainstream Renewable Power Developer wind and solar energy plants | $759M | 44 mo ago | 650 | 2008 | WordPressMySQLPHP+22 | 2 patents Extending wind turbine blades to increase rotor diameter and power output. | — |
| 2 | Amarenco Producer of independent solar power | $523M | 39 mo ago | 220 | 2013 | WordPressMySQLPHP+25 | — | — |
| 3 | Aer Soleir Developer of wind and solar energy projects | $250M | 50 mo ago | 20 | 2021 | WordPressPleskMySQL+14 | — | — |
| 4 | SuperNode Developer of wind energy projects | $39M | 20 mo ago | 52 | 2018 | WordPressApple iCloud MailMicrosoft 365+25 | 44 patents Superconducting cable assemblies and advanced cryogenic cooling systems for high‑temperature superconductors | — |
| 5 | Wind Energy Direct Develops wind farms | $29M | 182 mo ago | 5 | 2006 | — | — | — |
| 6 | ePower Provider of electric vehicle chargers and solar panel solutions for properties | $20M | 21 mo ago | — | 2018 | WordPress Block EditorCart FunctionalityWooCommerce+28 | — | 1 expansion |
| 7 | Glanua Provider of water treatment services | $18M | 22 mo ago | 288 | 2006 | WordPressMySQLPHP+12 | — | — |
| 8 | Circal Company that develops and operates solar and energy storage projects | $17M | 20 mo ago | — | 2022 | — | — | — |
| 9 | Gazelle Wind Power Developer of wind energy projects | $15M | 11 mo ago | 13 | 2020 | WordPressMySQLPHP+20 | 50 patents Floating offshore wind turbine platforms with advanced mooring and anchoring systems | — |
| 10 | EireComposites Designer and manufacturer of fibre-reinforced composite materials | $13M | 42 mo ago | 60 | 2006 | WordPress Block EditorWordPressMySQL+26 | — | 1 job opening |
| 11 | BNRG Renewables Utility-scale solar energy project developer | $9M | 42 mo ago | 50 | 2007 | WordPressApple iCloud MailMySQL+16 | — | 1 partnership |
| 12 | Biotricity Manufacturer of wind turbine systems | $9M | 101 mo ago | — | 2009 | — | — | — |
| 13 | Aubren Provider of air management services | $8M | 53 mo ago | 82 | 2005 | WordPressMySQLPHP+15 | — | 1 award |
| 14 | Obelisk Provider of telecoms and renewable energy infrastructure solutions | $7M | 121 mo ago | 6 | 1996 | WebflowTypekitGoogle Font API+14 | — | 2 awards |
| 15 | Nines Photovoltaic Manufacturer of dry etching tools for solar cell production | $4M | 96 mo ago | 5 | 2010 | — | — | — |
| 16 | Verdantas Provider of air management services | $4M | 15 mo ago | 880 | 2020 | Windows ServerMicrosoft ASP.NETIIS+11 | — | — |
| 17 | Terra Solar Developer of solar energy power projects | $3M | 115 mo ago | 2 | 2016 | — | — | — |
| 18 | Votechnik Provider of LCD & FPD recycling services | $2M | 80 mo ago | 1 | 2011 | WordPressMySQLPHP+27 | — | — |
| 19 | 20FIFTY Partners Provider of environment research, training, and transformational change services | $1M | 27 mo ago | — | 2005 | — | — | — |
| 20 | MyGug Micro scale anaerobic digester that converts food waste into biogas and liquid bio-fertilizer for small food… | $973K | 26 mo ago | — | 2021 | WordPressMySQLPHP+23 | 4 patents Anaerobic waste digestion systems for biogas production | — |
| 21 | Kollect On-demand waste collection solution | $527K | 107 mo ago | 46 | 2015 | WordPress Block EditorElementorCart Functionality+36 | — | — |
| 22 | Composite Recycling Provider of PCB and composite plastic recycling services | $383K | 73 mo ago | 3 | 2015 | — | — | — |
| 23 | Power Capital Solar power project developer | $123K | 85 mo ago | 26 | 2011 | WordPressApple iCloud MailMicrosoft 365+20 | — | — |
| 24 | Evolution Environmental Services Provider of environmental services and solutions for managing fat, oil, and grease problems | $109K | 120 mo ago | — | 2010 | — | — | — |
| 25 | Silicate Provider of carbon removal and long-term storage services | $100K | 39 mo ago | — | 2021 | — | — | — |
Top 12 Environment companies in Ireland
#1
Series B · Dublin, Leinster · founded 2020 · 13 employees$15Mraised▾
Developer of wind energy projects
- Jul 2025Series B$1.7M
- May 2025Conventional Debt$2.3M
- Nov 2024Series B$12.1M
- Mar 2022Series A$1.5M
#2
Series A · Dublin, Leinster · founded 2018 · 52 employees$39Mraised▾
Developer of wind energy projects
- Oct 2024Series A$8.8M
- Apr 2023Series A$15.4M
- May 2022Series A$14.8M
- Jan 2021Seed—
#3
Series A · Cork, Munster · founded 2018$19.9Mraised▾
Provider of electric vehicle chargers and solar panel solutions for properties. They offer supply, installation, and maintenance for residential, commercial, and public sector clients. Support services, managed solutions, and grant assistance are available. The company also retails EV charging cables and operates a charging point app.
- Sep 2024Series A$17.7M
- Sep 2023Seed$2.1M
#4
Series B · Dublin, Leinster · founded 2022$16.7Mraised▾
Circal is a developer of solar and co-located energy storage projects in Ireland and the US, specializing in site discovery and development. The company's focus is on delivering renewable energy solutions that work for everyone, with a track record of commercially successful projects.
- Sep 2024Series B$16.7M
#5
Acquired · Dublin, Leinster · founded 2020 · 880 employees$3.8Mraised▾
Provider of air management services
- Mar 2025Grant (prize money)$1.9M
- Mar 2025Grant (prize money)$1.9M
#6
Series A · Galway, Connaught · founded 2006 · 288 employees$17.8Mraised▾
Glanua is a provider of innovative and sustainable engineering solutions for the water and wastewater industry, offering a range of services including design, build, commissioning, operation, and maintenance. With a focus on customer-centricity and efficiency, the company delivers turn-key projects for municipal and industrial clients. Glanua's expertise spans project delivery, digital solutions, and talent acquisition, serving as a trusted partner for water and wastewater infrastructure development.
- Jul 2024Conventional Debt—
- Aug 2020Conventional Debt$2.1M
- Aug 2020Series A$7.9M
- Series A$7.8M
#7
Series D · Cork, Munster · founded 2013 · 220 employees$523.3Mraised▾
Producer of independent solar power
- Mar 2023Series D$321.5M
- Nov 2020Series C$177.9M
- Oct 2020Conventional Debt$14.2M
- Apr 2020Series B$16.2M
#8
Acquired · Dublin, Leinster · founded 2008 · 650 employees$758.7Mraised▾
Developer wind and solar energy plants
- Sep 2022Conventional Debt$290M
- Mar 2022Series C$633M
- Sep 2020Conventional Debt$620M
- Nov 2019Conventional Debt$580M
#9
Series D · Dublin, Leinster · founded 2021 · 20 employees$250Mraised▾
Developer of wind and solar energy projects
- Apr 2022Series D$250M
#10
Funding Raised · Galway, Connaught · founded 2006 · 60 employees$13.1Mraised▾
EireComposites (formed by merger of Irish Composites, Composites Testing Laboratory, PPA Teo. and Gaoth-Tec Teo.) provides designing, testing, and manufacturing of fibre-reinforced composite materials. It also develops composite components and assemblies for international aerospace programmes and has participated in multiple European Union R&D programmes in the aerospace sector. It uses its proprietary technology to develop the thermoplastic composites. It provides composite design service using CATIA V5 and finite element analysis using software such as PATRAN and NASTRAN.
- Dec 2022Grant (prize money)$499.5K
- Mar 2021Grant (prize money)$1.2M
- Dec 2020Grant (prize money)$633.6K
- Apr 2020Grant (prize money)$270.2K
#11
Seed · Dublin, Leinster · founded 2007 · 50 employees$9.1Mraised▾
BNRG Renewables is a renewable energy project developer, based in Dublin, Ireland which develops, constructs, owns and operates utility-scale solar projects across the globe. Projects include 15MW Bilsham solar farm in the UK, 20MW Sycamore solar farm in the UK and 6MW solar power project in Kamenar, Bulgaria.
- Dec 2022Conventional Debt$9M
- May 2022Seed—
- May 2022Conventional Debt—
- Feb 2015Grant (prize money)$100.9K
#12
Funding Raised · Limerick, County Limerick · founded 2005$1.3Mraised▾
It is a company that provides support to businesses in embracing responsible and sustainable practices for the decarbonised economy. They guide businesses to think and act sustainably, develop a workforce ready to meet today's sustainability challenges, and help organisations achieve operational excellence through innovative programs.
- Feb 2024Grant (prize money)$1.3M
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 flat · growth flat
How research on Environmental Monitoring is moving in Ireland
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 234 Ireland-affiliated papers.
- Environmental Protection Agency84
- Dublin City University34
- University College Dublin21
- Trinity College Dublin18
- University College Cork15
- Air pollution1→4
- Water quality1→14
- Air quality index1→11
- Calibration1→10
- Estuary1→9
- Sediment1→8
- Wireless sensor network2→6
Where environmental monitoring is researched across Ireland
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.