The financing involved a number of international investors including Prime Partners Asia Merchant Capital of Singapore. To-date, investors in HaloSource include the Masdar Clean Tech Fund, Unilever Technology Ventures, Origo Partners PLC and Mars Inc. Since 2007, the company has raised more than US$30 million to help drive the global roll-out of its drinking water business.
HaloPure drinking water purification technology provides low-cost, point of use water purification without the need for electricity or piped water. 
John Kaestle, chief executive of HaloSource, said: “We continue to see outstanding opportunities for our technology to provide safe, clean, well priced, drinking water at point of use and we are delighted that both our growing network of commercial partners and our broadening investor base see the attractions of this proposition. This further funding round will position us well to take the business through to sustainable positive cash generation. We welcome the endorsement of an impressive group of new shareholders taking a stake in our company for the first time.”

Based in the Seattle, Washington area of the US, HaloSource operates manufacturing plants and offices in Raymond, Washington; Shanghai, China; and Bangalore, India.

HaloSource has established multiple partnership arrangements in India, China and Brazil and has recently announced an agreement with WAL (SA), the Switzerland-based international water filtration products company, for the use of its HaloPure disinfection cartridges in WAL’s jug and pitcher products, with an initial focus on South America, the Middle and Far East and European markets.