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Environmental Operating Solutions, Inc. (EOSi)
Empowering Clean Water®
32 employees · est. 2003 · United States
Puraffinity
Engineering Targeted Materials to Capture PFAS
43 employees · est. 2015 · London, United Kingdom
Environmental Operating Solutions, Inc. (EOSi) is the older company (2003 vs 2015).
Side-by-Side Comparison
| Metric | Environmental Operating Solutions, Inc. (EOSi) | Puraffinity |
|---|---|---|
| Founded | ||
| Founded | 2003 older | 2015 |
| Headquarters | ||
| Headquarters | United States | London, United Kingdom |
| Employees | ||
| Employees | 32 | 43 |
| Industry | ||
| Industry | Water | Life Sciences, Manufacturing, Sustainability |
| Funding Stage | ||
| Funding Stage | Series C | Series A |
| Total Funding | ||
| Total Funding | $5.60M | $27.23M |
| Funding Rounds | ||
| Funding Rounds | 4 | 9 |
| Services | ||
| Services | Not tracked yet | Development of advanced adsorbent materials, PFAS removal from water, Water treatment solutions for various sectors, Sustainable and eco-friendly technologies |
| Target Customers | ||
| Target Customers | Not tracked yet | Residential customers, Industrial wastewater sector, Commercial and institutional sectors, Municipal bodies, Environmental service providers, Airports, Firefighting academies, Military |
| Taxonomy | ||
| Taxonomy | Water Treatment, Environmental Solutions, Wastewater Management, Nitrogen Removal, Phosphorus Removal, Water Quality, Clean Water Technology, Sustainable Solutions, Environmental Compliance, Carbon Products, Process Engineering, Agricultural Solutions, Nutrient Removal, Environmental Impact, Regulatory Compliance | PFAS Removal, Environmental Solutions, Advanced Materials, Sustainable Adsorbents, Water Treatment, Material Engineering, Supramolecular Chemistry, Contaminant Capture, Groundwater Remediation, Industrial Water Treatment, Municipal Water Treatment, Wastewater Management, Pollutant Removal, Sustainability Investors, Precision Materials |
| Website | ||
| Website | microc.com | puraffinity.com |
About Environmental Operating Solutions, Inc. (EOSi)
Environmental Operating Solutions, Inc. (EOSi) is a leading player in the water treatment industry, with a strong focus on compliance with strict discharge regulations for nitrogen, phosphorous, selenium, and perchlorate contamination. Since its establishment in 2001, EOSi has prioritized its missio...
About Puraffinity
Puraffinity, established in 2015 as a spinout from Imperial College London, is at the forefront of designing and manufacturing advanced materials focused on environmental improvement. Leveraging expertise in chemistry and material engineering, the company has innovated a novel adsorbent media that e...
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BounceWatch watches Environmental Operating Solutions, Inc. (EOSi) and Puraffinity for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at Environmental Operatin... and Puraffinity — by email.
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Related Comparisons
Compiled from the BounceWatch company index. We last looked at Environmental Operating Solutions, Inc. (EOSi) on 11 Sep 2024, and Puraffinity on 18 Aug 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.