A science-driven water technology company developing advanced adsorbent media that outlasts conventional filtration materials by a significant margin. Its plug-in solution integrates into existing water treatment systems, reducing footprint, cost, and waste without requiring infrastructure overhaul.
TECHNOLOGY / INNOVATION
Puratech® (Custom engineered adsorbent with high selectivity for both short- and long-chain PFAS, fast kinetics)
CURRENT STATUS
Puraffinity has raised $27.2M in total funding, has 39 employees, and is privately held. The company aims to provide PFAS-free water to one billion people by 2030. First commercial deployment signed in 2025 with Envytech Solutions.
ORIGINS
A spun out of Imperial College London. The company initially explored heavy metals removal before pivoting to PFAS after recognising its significant health and commercial impact.
OWNERSHIP
Private (BGF, Octopus Ventures, Kindred Capital)
USP
Up to 7x longer media lifespan vs GAC; reduces system footprint (4,000L GAC → 200L Puratech); first commercial agreement signed 2025; validated by US Army Corps of Engineers.
CUSTOMERS
Municipal drinking water systems, industrial wastewater operators, groundwater remediation sites (airports, military bases), commercial/residential treatment.
OF NOTE
CEO
Vincent Caillaud
MEDIA
