Top Water Startups in United Kingdom (2025 Update)
Explore the best Water companies in United Kingdom. Discover high-growth startups and investment opportunities in our 2025 updated list.
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Explore Top Water Startups in United Kingdom featuring 123 Companies
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Salinity Solutions | - | Treating Water Better. Industrial technology using at least 50% less energy to c... | Salinity Solutions is developing a proprietary system to clean up the world’s wa... | - |
United Kingdom
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Birmingham | United Kingdom (HQ) | 2021 | Waste Solution, Water | - |
1
Low
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13
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1.7K (-6%) | 2 years ago | Equity Crowdfunding | 2 | 1.4M | 1403 | 6 months ago | |
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Inflowmatix | - | Preventing expensive leaks & bursts and enhancing water network resilience | Inflowmatix provides state-of-the-art pressure sensors and software analytics to... | - |
United Kingdom
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London | United Kingdom (HQ) + 1 | 2015 | Waste Solution, Water | [email protected] |
1
Low
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10
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110 | 5 years ago | Series B | 2 | 5.8M | 1060 | 6 months ago | |
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Spotless Water | - | Join the future of Pure Water today | Welcome to Spotless Water, offering the UK's first self-service, ultra pure wate... | - |
United Kingdom
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Basingstoke | United Kingdom (HQ) | 2016 | Water | [email protected] |
1
Low
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26
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89.2K | 11 months ago | Private Equity | 4 | 8.0M | 659 | 5 months ago | |
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No1 Rosemary Water | - | No1 Rosemary Water is a flavorful and ethical way to consume 100% pure rosemary... | No1 Rosemary Water is a delectable and delightful drink that boasts of pure rose... | - |
United Kingdom
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London | United Kingdom (HQ) | 2017 | Food and Beverage, Water | [email protected] |
1
Low
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405
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480 | 4 years ago | Equity Crowdfunding | 3 | 1.3M | 88075 | 4 tpo GJO | |
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Liquid Logical | - | On a mission to change the way humans heat water. | Liquid logical is a patented technology which brings water to the boiling point... | - |
United Kingdom
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London | United Kingdom (HQ) | 2018 | Renewable Energy, Water | - |
1
Low
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2
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39 | 5 years ago | Grant | 1 | 10.0K | 54 | 4 mOR 2se | |
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IOTICS | - | Enabling digital cooperation between enterprises. -Reduce costs, unlock value an... |
Enabling digital cooperation between enterprises. Reduce costs, unlock value an... |
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United Kingdom
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London | United Kingdom (HQ) + 1 | 2014 | Analytics, Data Analytics +7 | [email protected] |
1
Low
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20
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110 (-100%) | 5 years ago | Series A | 2 | 7.5M | 3248 | 5 months ago | |
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Advizzo | - | Helps Energy & Water companies use Behavioural & Data Science to optimize operat... | Advizzo transforms how millions of people think about their water and energy con... | - |
United Kingdom
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London | United Kingdom (HQ) | 2015 | AI, Analytics +6 | [email protected]/[email protected] |
1
Low
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14
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675 | 5 years ago | Series A | 5 | 2.4M | 1326 | 6 months ago | |
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i2O | - | Monitoring and control solutions for water networks www.i2owater.com #smartwate... | i2O provides monitoring and control solutions for water distribution networks.... | - |
United Kingdom
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Southampton | United Kingdom (HQ) | 2005 | Data Analytics, Water | [email protected] |
1
Low
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22
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363 (-100%) | 4 years ago | Secondary Market | 4 | 12.2M | 84490 | 1 year ago | |
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Waterwhelm | - | Reinventing water supply | Waterwhelm’s breakthrough water re-use and desalination technology operates at... | - |
United Kingdom
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Edinburgh | United Kingdom (HQ) | 2018 | Transportation, Waste Solution +1 | [email protected] |
1
Low
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14
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235 (-100%) | 1 year ago | Grant | 2 | 230.0K | 1426 | 7 months ago | |
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Severn Trent | - | Life. At Severn Trent. Our people are what makes us and caring for our wonderful... |
Water is wonderful. Without it we’d be lost. With it, everything’s possible. Fo... |
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United Kingdom
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Coventry | United Kingdom (HQ) | 1974 | Consumer Goods, Water | - |
1
Low
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3428
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778.1K | - | Post Ipo Equity | - | 1.0B | 72847 | 7 months ago | |
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Drop Drinks | - | Vintage Soft Drinks Inspired by British Sweetshop Favourites |
We produce a range of soft drinks based on traditional British sweets. Once upo... |
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United Kingdom
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London | United Kingdom (HQ) | 2018 | Food and Beverage, Water | [email protected] |
1
Low
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292
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297 | 5 years ago | Equity Crowdfunding | 1 | 127.7K | 59610 | 2 rE3 l9Q | |
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Solar Water Plc | - | Planet-friendly water, forever | Solar Water Plc is helping solve one of the world’s most pressing problems – sus... | - |
United Kingdom
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London | United Kingdom (HQ) | 2016 | Water | [email protected] |
1
Low
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5
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646 (-41%) | 6 years ago | Grant | 1 | 71.4K | 10264 | 6 uEw QDE | |
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Southern Water | - | Water for Life | We are one of the largest water and wastewater companies in the South East of En... | - |
United Kingdom
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Worthing | United Kingdom (HQ) + 3 | 1989 | Water | - |
1
Low
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2252
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369.5K | 1 year ago | Private Equity | 1 | 550.0M | 43107 | 4 months ago | |
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Watermarq | - | A new approach to valuing water. | Watermarq develops decision-useful data to support investment and collective act... | - |
United Kingdom
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Oxford | United Kingdom (HQ) + 1 | 2018 | Water | [email protected] |
1
Low
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14
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857 | 2 years ago | Grant | 4 | 624.8K | 996 | 5 months ago | |
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Thames Water | - | Building a better future for our customers, region and planet 💧 | We are the UK’s biggest water and sewerage company with around 15 million custom... | - |
United Kingdom
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Reading | United Kingdom (HQ) | 1989 | Waste Solution, Water | [email protected] |
1
Low
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5689
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1.5M | 1 year ago | Private Equity | 3 | 750.0M | 88077 | 5 months ago | |
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Arvia Technology | - | Targeted on-site removal of persistent organic pollutants and colour from indust... | Tertiary water treatment specialist. We design, manufacture and supply advanced... | - |
United Kingdom
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Runcorn | United Kingdom (HQ) | 2007 | Food and Beverage, Waste Solution +1 | [email protected] |
1
Low
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38
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3.9K (-19%) | 10 years ago | Series Unknown | 3 | 10.6M | 3995 | 6 months ago | |
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Sküma® Water | - | Unmatched Precision, Ultimate Hydration. | Sküma Water elevates your hydration experience, ensuring every sip is pure, refr... | - |
United Kingdom
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Edgware | United Kingdom (HQ) | 2020 | Consumer Electronics, Waste Solution +1 | [email protected] |
1
Low
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10
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29.8K (26%) | 2 years ago | Pre Seed | 1 | 300.0K | 373 | 1 year ago | |
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NWG (Northumbrian Water G... | - | Living Water. Loving Customers | NWG (Northumbrian Water Group) provides water and sewerage services to 2.7 milli... | - |
United Kingdom
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Durham | United Kingdom (HQ) + 3 | 1989 | Waste Solution, Water | [email protected] |
1
Low
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1545
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159.9K (9%) | 1 year ago | Grant | 2 | 877.0M | 30021 | 5 months ago | |
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Intellitect Water Limited | - | Smart Water Network Solutions | We provide a package solution that we refer to as Insight, this consists of inno... | - |
United Kingdom
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Romsey | United Kingdom (HQ) | 2005 | Waste Solution, Water | [email protected] |
1
Low
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15
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665 (-58%) | 15 years ago | Series Unknown | 1 | 3.2M | 835 | 5 months ago | |
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Datatecnics | - | We build sector-leading visualisation tools and prediction models for clean and... |
At Datatecnics, we're leading from the front on digital water. Foresight is ou... |
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United Kingdom
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Greater Manchester | United Kingdom (HQ) | 2011 | AI, Analytics +4 | - |
1
Low
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13
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56989 | - | Seed | - | 1.2M | 1026 | 9 gQ3 UII | |
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Waterlogic International | - | Better thinking, better water, better for you, better for the planet™ | Waterlogic is an innovative designer, manufacturer, distributor and service prov... | - |
United Kingdom
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Maidenhead | United Kingdom (HQ) + 5 | 1992 | Food and Beverage, Manufacturing +3 | [email protected] |
1
Low
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107
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78066 | - | Corporate Round | - | 96.7M | 6311 | 4 months ago | |
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Green Highland: A Voith C... | - | Green Highland is a leading hydropower operator, maintainer, and service provide... | We are one of the leading developers and operators of hydropower. We have develo... | - |
United Kingdom
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Perth | United Kingdom (HQ) + 1 | 2007 | Design, Renewable Energy +1 | [email protected] |
1
Low
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20
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84969 | - | Series Unknown | - | 17.8M | 1752 | 4 months ago | |
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Untap Health | - | Scientifically monitoring community wellness including Covid-19, influenza and o... | Detecting illnesses before symptoms. | - |
United Kingdom
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London | United Kingdom (HQ) | 2021 | Health Care, Water | [email protected] |
1
Low
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15
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93727 | - | Seed | - | 1.4M | 5007 | 4 months ago | |
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DelAgua Group | - | Transforming Lives & Nature Through Enterprise● Improved Cookstove Carbon Projec... | DelAgua is focused on transforming lives & nature through enterprise, bringing t... | - |
United Kingdom
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Marlborough | United Kingdom (HQ) + 1 | 1985 | ESG, Waste Solution +1 | [email protected] |
1
Low
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99
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1.1K (58%) | 9 years ago | Grant | 1 | 50.0K | 2838 | 5 months ago | |
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ANB SENSORS LTD | - | Calibration Free Chemical Sensors | At ANB Sensors we are developing the next generation of pH Sensors for oceanogra... | - |
United Kingdom
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Cambridge | United Kingdom (HQ) | 2015 | Water, Autonomous and Sensor Tech | - |
1
Low
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15
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2.1K (-16%) | 3 years ago | Series A | 2 | 1.2M | 1012 | 5 months ago | |
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Zelim | - | Innovative life saving technology | Zelim provide smart technology solutions to find, recover and protect people in... | - |
United Kingdom
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Edinburgh | United Kingdom (HQ) | 2017 | AI, Privacy and Security +1 | - |
1
Low
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35
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427 | - | Seed | - | 2.3M | 2474 | 3 months ago | |
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Puraffinity | - | We Protect Environmental & Human Health by Engineering Targeted Materials to Cap... | Puraffinity is a spinout company from Imperial College London that specialises i... | - |
United Kingdom
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London | United Kingdom (HQ) | 2015 | Life Sciences, Manufacturing +2 | [email protected] |
1
Low
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37
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1.6K (-54%) | 8 months ago | Series A | 9 | 30.1M | 4320 | 3 months ago | |
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THERA Nordic UK | - | Gut health specialists | THERA Nordic is a brand that focuses on gut health. We design and manufacture pr... | - |
United Kingdom
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Stamford | United Kingdom (HQ) | 2015 | Food and Beverage, Sports +1 | [email protected] |
1
Low
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2
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226 | 5 years ago | Equity Crowdfunding | 5 | 744.0K | 95892 | 10 Zx2 6J4 | |
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Cano Water® | - | DON’T BOTTLE IT! |
Only 7% of plastic is recycled. The rest will sit on our planet for the next 4... |
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United Kingdom
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London | United Kingdom (HQ) | 2015 | Food and Beverage, Manufacturing +1 | [email protected] |
1
Low
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24
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143 (-100%) | 2 years ago | Angel | 2 | Unknown | 9379 | 5 months ago | |
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Lontra | - | Engineer for better with our Blade Compressor® | Lontra is a Green Tech company delivering ground-breaking air compressor and blo... | - |
United Kingdom
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- | United Kingdom (HQ) + 1 | 2004 | Energy, Food and Beverage +4 | [email protected] |
1
Low
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46
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723 | 7 years ago | Series Unknown | 8 | 9.5M | 4290 | 1 year ago | |
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WATR | - | The Smart Water Quality Monitor | Introducing WATR, the smart water quality monitor. Get the most detailed water q... | - |
United Kingdom
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- | United Kingdom (HQ) | 2017 | ESG, Clean Energy +1 | [email protected] |
1
Low
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17
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1.9K (36%) | 3 years ago | Seed | 3 | 594.1K | 705 | 7 months ago | |
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Waterways | - | Award winning employer specialising in Trenchless Technology with highly trained... | Waterways specialise in Trenchless Technology/ NoDig Repair systems for new and... | - |
United Kingdom
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- | United Kingdom (HQ) | 2018 | Water | [email protected] |
1
Low
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15
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43899 | - | Debt Financing | - | 220.0K | 1353 | 4 months ago | |
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Spottitt | - | Effortless Integration of Remotely Sensed Data and Derived Analytics for More Fr... | The Spottitt Platform collects and transforms a variety of remotely sensed data... | - |
United Kingdom
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- | United Kingdom (HQ) | 2017 | AI, Analytics +6 | [email protected] |
1
Low
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12
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1.1K (87%) | 11 months ago | Seed | 3 | 2.5M | 2344 | 5 months ago | |
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GiveMeTap | - | Empowering sustainable hydration while supporting life-changing water projects i... | GiveMeTap is a social enterprise. Our mission is to make clean drinking water av... | - |
United Kingdom
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London | United Kingdom (HQ) | 2011 | Food and Beverage, Water | - |
1
Low
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2
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1.9K (-5%) | 10 years ago | Seed | 1 | Unknown | 424 | 9 5tH FCX | |
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AMPHICO | - | Making the planet better through material innovation. | By using the same source material for every innovation Amphico is leading the ou... | - |
United Kingdom
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London | United Kingdom (HQ) | 2018 | Design, VR/AR +2 | [email protected] |
1
Low
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17
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590 | 4 years ago | Non Equity Assistance | 3 | Unknown | 1865 | 6 months ago | |
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Hydrotherm Ltd | - | - |
Manufacturers of Portable Water Heaters for site welfare applications. Design,... |
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United Kingdom
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- | United Kingdom (HQ) + 1 | 2016 | Energy, Manufacturing +1 | [email protected] |
1
Low
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7
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634 | 7 years ago | Seed | 1 | 400.0K | 31 | 3 LM6 SR5 | |
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ALVATECH Sustainable Wate... | - | Award-winning, sustainable water & monitoring technology - grow more with less w... | In a world facing severe climate change and with the rising cost and scarcity of... | - |
United Kingdom
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London | United Kingdom (HQ) | 2019 | Agriculture, Manufacturing +2 | [email protected] |
1
Low
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7
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23130 | - | Equity Crowdfunding | - | 588.7K | 1319 | 5 months ago | |
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Highland Spring Ltd | - | The UK's leading producer of natural source waters. |
Highland Spring Group is the UK’s largest producer of natural source waters. Es... |
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United Kingdom
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- | United Kingdom (HQ) | 1979 | Waste Solution, Water | [email protected] |
1
Low
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262
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49755 | - | Series Unknown | - | 55.5M | 11300 | 5 months ago | |
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Meter Provida | - | Logistics | Supply Chain Solutions | System Management | Utility Metering | Mete... | Meter Provida has been the UK energy industry's logistics partner of choice for... | - |
United Kingdom
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Chesterfield | United Kingdom (HQ) | 1999 | Industrial, Oil and Gas +1 | [email protected] |
1
Low
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13
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61529 | - | Debt Financing | - | 4.5M | 419 | 2 years ago | |
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Pelamis Wave Power | Not active anymore | - | Based in Edinburgh, Scotland, Pelamis Wave Power is the world’s most advanced wa... | - |
United Kingdom
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Edinburgh | United Kingdom (HQ) | 1998 | Energy, Renewable Energy +1 | [email protected] |
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N/A
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8
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31420 | - | Series Unknown | - | 18.0M | 21520 | 1 DrV qk5 |