Best Environment Companies in Wales, United Kingdom
The 81 best Environment companies in Wales, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Dee Valley Group.
Our analysis of 69 Environment companies
$5.7b in tracked funding; 71% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2020.
Ranked: Best Environment companies in Wales
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Dee Valley Group Water utility company providing water supply and services, with information on acquisition, funding… | $50M | — | Acquired | — | 1994 | — | — | — |
| 2 | Marine Power Systems Developer of technology for deep-water offshore wind energy deployment 53Innovation top 23%Patents top 24%Talent top 28%Moat top 29% All 9 signals ▾Innovationtop 23% Patentstop 24% Talenttop 28% Moattop 29% Fundingtop 40% Producttop 41% Globalbottom 45% Techbottom 38% Marketbottom 35% Innovation: 175 patents (top 19% of patent-holders) · 90 filings since 2022 vs 48 in 2017-21 Patents: 175 patents matched (strict assignee match) · 90 filings since 2022 vs 48 in 2017-21 rank vs industry peers · Fliar Intelligence Index 53/100 | $18M | 19 mo ago | Series A | Graham Foster Co-Founder & CTO | 2008 | WordPressMySQLPHP+18 | 172 patents Patents concentrated in mechanical & energy engineering | 1 launch · 1 award |
| 3 | Quiet Revolution Manufactures horizontal and vertical axis turbine | $17M | 183 mo ago | Series B | — | 2006 | DudaMyWebsite CreatorMyWebsite+11 | 15 patents Patents concentrated in mechanical & energy engineering | — |
| 4 | Natural Resources Wales Provider of waste management services | $16M | 53 mo ago | Funding Raised | — | 2013 | CKEditorArcGIS API for JavaScriptBootstrap+15 | — | 1 internship |
| 5 | Wales Enviromental Provider of liquid waste management and drainage services | $5M | 118 mo ago | Acquired | Llyr Williams CEO | 1980 | — | — | — |
| 6 | Biological Preparations Manufacturer and distributor of cleaning products for waste and cleaning water | $4M | 45 mo ago | Acquired | James Patterson Managing Director | 2009 | HubSpot CMS HubGSAPSwiper+20 | 2 patents Industrial grease separation equipment for oil‑water wastewater treatment | — |
| 7 | Sunlabob Provider of solar EPC services | $2M | 135 mo ago | Seed | Andy Schroeter CEO | 2001 | — | — | — |
| 8 | Plastecowood Provider of plastic waste recycling services | $2M | 49 mo ago | Funding Raised | — | 2014 | WordPressMySQLPHP+14 | — | — |
| 9 | Dulas Manufacturer of renewable energy systems and medical refrigeration equipment | $730K | 46 mo ago | Funding Raised | — | 1982 | WordPressMySQLPHP+25 | — | 3 launchs · 1 partnership |
| 10 | Deploy Provider of water management and storage solutions | $586K | 55 mo ago | Seed | Beren Kayali Co-founder | 2020 | Wix eCommerceWixSentry+20 | — | — |
| 11 | Renbee Platform connecting homeowners with installers for home decarbonisation projects | $411K | 22 mo ago | Seed | Andrei Co-Founder | 2023 | — | — | — |
| 12 | Dragon Recycling Provider of industrial waste recycling & disposal services | $347K | 67 mo ago | Funding Raised | Mick Young CEO | 2006 | — | — | — |
| 13 | Arch Utility Services Provider of drainage care services | $311K | 71 mo ago | Acquired | — | 2015 | — | — | 2 awards |
| 14 | Hafod Renewable Energy Residential & commercial solar power providers | $290K | 43 mo ago | Acquired | — | 2010 | — | — | — |
| 15 | GCell Developers of Dye Sensitized Solar Cells | $199K | 122 mo ago | Funding Raised | — | 2012 | — | — | — |
| 16 | Awel Aman Tawe Community based energy project developer | $181K | 125 mo ago | Funding Raised | — | 1998 | WordPressMySQLPHP+17 | — | 1 job opening |
Top 12 Environment companies in Wales
#1
Series A · Swansea, Wales · founded 2008 · 14 employees$18.1Mraised▾
Developer of technology for deep-water offshore wind energy deployment. The company engineers modular, flexible technology designed for simplicity and performance in deep-water environments. Their solutions aim to address challenges related to supply chain limitations, deployment complexities, scalability, cost, and risk. The technology facilitates efficient energy yield and streamlined installation using standard vessels.
- Nov 2024Series A$3.6M
- Jul 2021Series A$4.7M
- Dec 2020Series A$7.4M
- Jun 2020Series A$1.9M
#2
Seed · Monmouthshire, Wales · founded 2023$411.5Kraised▾
Platform connecting homeowners with installers for home decarbonisation projects. It streamlines the process of finding and managing installers for homeowners seeking to implement renewable energy solutions. The platform facilitates quoting, planning, and regulatory compliance, ensuring homeowners are connected with installers who deliver quality work. It also provides installers with access to a consistent stream of homeowners and resources for training and compliance.
- Jul 2024Seed$411.5K
#3
Funding Raised · Cardiff, Wales · founded 2013 · 1211 employees$16Mraised▾
Provider of waste management services
- Jan 2022Grant (prize money)$3.8M
- Sep 2021Grant (prize money)$7.4M
- Sep 2018Grant (prize money)$4.1M
- Sep 2017Grant (prize money)—
#4
Acquired · Cardiff, Wales · founded 2009 · 25 employees$4.5Mraised▾
Manufacturer and distributor of cleaning products for waste and cleaning water
- Sep 2022Conventional Debt$4.5M
#5
Acquired · Wrexham, Wales · founded 1994 · 180 employees$49.8Mraised▾
Dee Valley Group is a water utility company that provides water supply and related services. The company has undergone acquisition and funding, and has a presence on LinkedIn with 100 followers. They offer services such as street works administration and water regulations.
- Conventional Debt$49.8M
#6
Series B · Pembroke Dock, Wales · founded 2006 · 1 employees$16.9Mraised▾
Quietrevolution builds and manufactures wind power turbines. The company offers the following two products : qr5 (a type of vertical axis turbine) and hy5 (a horizontal axis 5kW turbine).
- Mar 2011Series B$8.1M
- Sep 2008Series A$8.8M
#7
Funding Raised · Bodelwyddan, Wales · founded 2014 · 27 employees$1.6Mraised▾
Provider of plastic waste recycling services
- May 2022Conventional Debt$1.6M
- Apr 2019Conventional Debt—
#8
Funding Raised · Machynlleth, Wales · founded 1982 · 67 employees$729.5Kraised▾
Manufacturer of renewable energy systems and medical refrigeration equipment. This entity develops and implements renewable energy schemes for solar, wind, and hydro power. They also manufacture off-grid vaccine storage systems and temperature-controlled equipment for the medical and scientific sectors, including refrigerators and incubators. The company provides design, development, and consultancy services across its various offerings, including ongoing maintenance and support.
- Aug 2022Conventional Debt$729.5K
- Jan 2022Grant (prize money)—
#9
Acquired · Narberth, Wales · founded 1980 · 28 employees$4.9Mraised▾
Provider of liquid waste management and drainage services
- Aug 2016PE$4.9M
- 2011PE—
#10
Acquired · Denbigh, Wales · founded 2010 · 11 employees$289.7Kraised▾
Residential & commercial solar power providers
- Oct 2022Seed$289.7K
#11
Seed · Pontyclun, Wales · founded 2020 · 10 employees$586.5Kraised▾
Provider of water management and storage solutions. Their flagship products are air deployable, flat packed concrete water tanks that can be transported and installed. The tanks are engineered not only for water storage but also for rainwater harvesting, helping communities manage water resources.
- Nov 2021Grant (prize money)$178.5K
- Nov 2021Seed$586.5K
#12
Seed · Vientiane, Wales · founded 2001 · 16 employees$2.1Mraised▾
Sunlabob offers solar PV products like grid-connected and off-gird, solar lighting and solar cooling solutions. The company also offers solar water pumps, solar water purifiers, solar water heating systems and waste water treatment systems. The company has operational presence in rural, remote and under-developed areas and has impacted 25k households in the last 5 years.
- Mar 2015Seed$2.1M
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 Wales researches in environmental monitoring
- Natural Resources Wales25
- New South Wales Department of Primary Industries16
- University of Wales Trinity Saint David1
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.