United Kingdom · Environmental services startup

Puraffinity

Puraffinity is a London-based technology company founded in 2015 as a spinout from Imperial College London.

Funding reportedLast round: Series A

Environmental servicesLondon, United Kingdom

About Puraffinity

Puraffinity is a London-based technology company founded in 2015 as a spinout from Imperial College London.

The company specializes in developing precision adsorbent media designed to remove PFAS (per- and polyfluoroalkyl substances) and other emerging contaminants from water and wastewater. Their flagship product, Puratech, is a bio-based, granular adsorbent media that selectively captures micro-pollutants, offering a sustainable solution for water treatment. Puraffinity serves a variety of sectors, including residential, commercial, industrial, municipal, and environmental services. Their technology supports applications such as residential and commercial water filters, municipal drinking water treatment, groundwater remediation, and industrial manufacturing processes. With a mission to deliver innovative water treatment technologies, Puraffinity aims to help clients meet stringent wastewater regulations while protecting environmental and human health.

What company datasets say Puraffinity raised

Funding, as reported

Reported in all34.8Min the source's currency
Rounds7
Last roundSeries A
Last round size8.8M
Last round dateSept 2024
Investors listed5

Funding filed with regulators

Puraffinity filed 5 raises, $25M in all. Filings say how much was sold and to how many investors; they never name the investors.

  1. Mar 2026$2.5MUK share allotment
  2. Jan 2026Amount not statedUK share allotment
  3. Jul 2024$8.7MUK share allotment
  4. Aug 2023$893KUK share allotment
  5. Jun 2023$13MUK share allotment

On 2 portfolio pages

Investors who name them

Each firm lists Puraffinity on its own website. That is the firm's claim, a weaker thing than a round we watched, but a named source.

The company, in detail

What they build

Known for

water treatment systemswater utilitiesmunicipal water systemsenvironmental technologymanufacturingcarbon footprint reductionadsorbent materialsregeneration capabilitiesindustrial wastewaterenvironmental remediationpfas in firefighting academiespfas environmental impactenvironmental servicessustainabilitywater safety standardspfas in military sites

Built with from their website

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+4 more

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Sector
Environmental services
Industry code
NAICS 32551, 325998, 541715, SIC 3631, 2899, 8731
Region
England

Environmental services in United Kingdom

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