About NanoH2O
NanoH2O is an Environment company based in Los Angeles (United States) founded in 2005, and was acquired by LG Chem in March 2014. It operates as a thin-film nanocomposite membranes for desalination and water treatment are developed. It operates in the Environment and Technology sectors. NanoH2O has raised $89.92 million across 9 funding rounds from investors including Comerica, LG Chem and Khosla Ventures. The company has 120 employees. Its focus areas include High Tech, Nanotechnology, Nanoenabled Products and Waste & Water Management. Its legal entity is NANO H2O INC. Its competitors include H2O Innovation, Oxyle, ZwitterCo, Claros Technologies and Swirltex and 4 more; 5 of its 9 listed competitors have raised funding.
Company details
NanoH2O was founded in 2005 in Los Angeles, United States, and operates within the water treatment sector. Reverse osmosis membranes are developed by the company, with a focus on thin-film nanocomposite QuantumFlux technology. These membranes are applied in seawater and brackish water desalination processes, as well as in wastewater reclamation efforts, supporting various purification operations across geographic regions.
- Headquarters Los Angeles, United States
- Employees 120
- Stage Acquired
- SectorsEnvironmentTechnology
- Website nanoh2o.com
- Acquired by LG Chem (Mar 2014)
- Legal Name Nano H2o Inc.
Funding Insights of NanoH2O
NanoH2O has successfully raised a total of $89.92M across 9 strategic funding rounds. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $89.92M
- Total Rounds 9
- First Round $5M
(Apr 2007)
- Investors Count 11
All 9 funding rounds of NanoH2O with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Dec 2025 | – | Series D | β | β | |
| Apr 2012 | $40M | Series C | β | Total, BASF | |
| Apr 2012 | $20.5M | Debt – Conventional | β | β | |
| Dec 2011 | $14.87M | Series C | β | β | β |
| Jun 2010 | $10M | Series B | β | β | β |
| May 2010 | $400,000 | Grant | β | β | |
| Aug 2009 | $5M | Series B | β | β | β |
| Sep 2008 | $15.05M | Series B | β | β | |
| Apr 2007 | $5M | Series A | β | β |
12 investors in total: 12 institutional.
Investors in NanoH2O
NanoH2O has secured backing from 12 investors, including institutional and venture fund investors. Prominent investors backing the company include Comerica, LG Chem and Khosla Ventures.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Early-stage startups are funded by this venture capital firm. | 2004 | khoslaventures.com | Menlo Park, United States | |
Pacific Corporate Group is engaged in private equity investment advisory. | 1979 | pcgfunds.com | La Jolla, United States | |
Venture capital investments are made in disruptive growth companies. | – | oakvc.com | Greenwich, United States | |
Venture debt is provided to early- and growth-stage US companies. | – | lcpartners.com | Menlo Park, United States | |
- | – | glenwoodpe.com | - | |
TotalEnergies is engaged in producing and marketing various energies. | – | total.com | Courbevoie, France | |
Pension funds for California public employees are managed by CalPERS. | 1932 | calpers.ca.gov | Sacramento, United States | |
Chemicals and related products are produced and marketed globally. | 1865 | basf.com | Florham Park, United States | |
Commercial banking services are provided to businesses and individuals. | 1849 | comerica.com | Dallas, United States | |
- | – | onr.navy.mil | - |
Investor details for NanoH2O
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
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Timeline of NanoH2O
4 dated milestones of NanoH2O across 20 years, from founding to its latest funding, stage changes and deals.
- Founded NanoH2O is founded.
- Funding First funding round of $5.0M.
- Exit Acquired by LG Chem.
- Funding Latest funding round, Series D,.
Competitors of NanoH2O
NanoH2O has 9 listed competitors in our database, 5 of them funded. They include H2O Innovation, Oxyle, ZwitterCo, Claros Technologies and Swirltex, among others.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| h2oinnovation.com | 2000 | Quebec, Canada | – | 534 | Nano-enabled water treatment systems are provided for various water sources. | |
| oxyle.com | 2020 | Schlieren, Switzerland | $19M | – | PFAS treatment solutions are provided via nanofiltration and foam filtration. | |
| zwitterco.com | 2018 | Somerville, United States | $101.75M | 57 | Wastewater treatment systems using membrane technology are manufactured by ZwitterCo. | |
| clarostechnologies.com | 2015 | Saint Paul, United States | $57.7M | – | Provider of sustainable solutions for circular economy | |
| swirltex.com | 2015 | Calgary, Canada | $4.24M | – | Buoyancy-based systems for wastewater treatment are provided. | |
| cerahelix.com | 2011 | Orono, United States | $6.12M | – | Nanotech-based water treatment solutions are provided for industrial applications. | |
| permionics.com | 2003 | Vadodara, India | – | 92 | Manufacturer membrane for water treatment plants | |
| aquarion-group.com | 2013 | Baar, Switzerland | – | – | Provider of advanced water systems, solutions and technologies for the oil and gas industry | |
| nirtech.in | 2014 | Thane, India | – | 83 | Offers water treatment, wastewater management, industrial services, and system maintenance. |
Detailed competitors of NanoH2O
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- Full competitor set
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Top companies in Waste & Water Management Systems
10 companies that operate in the same segment as NanoH2O (Waste & Water Management Systems), ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Wastewater and energy management services are provided internationally. | 1853 | Aubervilliers, Seine-saint-denis, France | – | USD 52.17 B | 215,040 | |
Sustainable infrastructure solutions in renewable energy are developed and managed. | 1931 | Alcobendas, Comunidad De Madrid, Spain | – | USD 1.9 M | 44 | |
Provider of climate-smart deeptech solutions for renewable energy and sustainable agriculture | 2010 | Pune, Maharashtra, India | USD 76.38 M | USD 56.11 M | 702 | |
Waste collection and management services are provided nationwide. | 1968 | Houston, Texas, United States | – | USD 25.2 B | 61,700 | |
Integrated waste management services are provided nationwide. | 1998 | Phoenix, Arizona, United States | – | USD 16.59 B | 42,000 | |
Provider of smart water purifier rental and maintenance services | 2016 | Bengaluru, Karnataka, India | USD 19.29 M | USD 3.62 M | – | |
Sensor-based sorting and recycling solutions are provided for multiple industries. | 1972 | Asker, Viken, Norway | – | USD 1.53 B | 4,950 | |
Smart water dispensers with flavored options are provided for offices. | 2013 | Boston, Massachusetts, United States | USD 135.53 M | – | 102 | |
Surplus goods are shared among neighbors through a mobile app. | 2015 | London, England, United Kingdom | USD 51.2 M | – | – | |
Water and waste treatment services are provided worldwide. | 1966 | London, England, United Kingdom | – | USD 4.18 B | 9,750 |
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Related news about Nanoh2o
Complete news archive for NanoH2O
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Frequently Asked Questions about NanoH2O
NanoH2O was founded in 2005 and raised its 1st funding round 2 years after it was founded.
NanoH2O is headquartered in Los Angeles, United States. It is registered at Los Angeles, California, United States.
NanoH2O is a funded company, having raised a total of $89.92M across 9 funding rounds to date. The company's 1st funding round was a Series A of $5M, raised on Apr 2007.
NanoH2O has 120 employees.
NanoH2O was founded in 2005 in Los Angeles, United States, and operates within the water treatment sector. Reverse osmosis membranes are developed by the company, with a focus on thin-film nanocomposite QuantumFlux technology. These membranes are applied in seawater and brackish water desalination processes, as well as in wastewater reclamation efforts, supporting various purification operations across geographic regions.
NanoH2O's top competitors include ZwitterCo, Oxyle and Claros Technologies.
NanoH2O has 12 investors. Key investors include Comerica, LG Chem, Khosla Ventures, BASF, and CalPERS.
NanoH2O operates through Nano H2o Inc..
Yes. NanoH2O was acquired by LG Chem in March 2014.

