ZwitterCo's membrane technologies maintain unprecedented fouling resistance and chemical tolerance in historically unfilterable process and waste waters. We enable water recycling and enhanced product recovery with breakthrough advancements in filtration.
Location: United States, Massachusetts, Woburn
Employees: 11-50
Phone: +1 301-442-5662
Total raised: $97.3M
Founded date: 2018
Investors 4
| Date | Name | Website |
| 17.02.2023 | Bantam Gro... | bantamgrou... |
| 03.08.2023 | Plug and P... | plugandpla... |
| 30.04.2022 | DCVC | dcvc.com/ |
| 16.03.2021 | Catapult V... | catapultvc... |
Funding Rounds 3
| Date | Series | Amount | Investors |
| 09.07.2024 | Series B | $58.4M | - |
| 04.10.2022 | Series A | $33M | DCVC |
| 19.03.2021 | Seed | $5.9M | - |
Mentions in press and media 18
| Date | Title | Description |
| 21.05.2025 | Water's New Frontier: Membrane Technology Takes Center Stage | Water is life. Yet, in today's world, it feels like a dwindling resource. Climate change, urban sprawl, and industrial demands have turned the water crisis into a pressing global issue. The quest for clean, accessible water is more urgent t... |
| 21.05.2025 | The Future of Water and Energy: Innovations Reshaping Sustainability | Water and energy are the lifeblood of modern civilization. Yet, both face unprecedented challenges. Climate change, urbanization, and industrial demands are pushing these resources to their limits. As we navigate this turbulent landscape, i... |
| 16.05.2025 | Frost Radar™ Positions Top Growth and Innovation Leaders in Water and Wastewater Treatment Membrane Solutions | Frost & Sullivan's benchmarking system identifies companies advancing water resilience and sustainability through next-generation membrane technologies LONDON, May 16, 2025 /PRNewswire/ -- Climate change, rapid urbanisation, and industr... |
| 04.10.2024 | DCVC Raises Over $700 Million To Invest In A Healthier Planet | DCVC announced it has closed over $700 million in new funds for a healthier planet and lives. The firm has committed to achieving venture-scale returns from companies whose success would bring humanity greater resilience, abundance, and equ... |
| 12.07.2024 | ZwitterCo's Breakthrough in Water Treatment Industry with $58.4M Series B Funding | ZwitterCo, a pioneering company based in Woburn, Massachusetts, has recently secured a substantial $58.4 million in Series B funding to propel its cutting-edge membrane technology to new heights. The funding round, spearheaded by Evok Innov... |
| 09.07.2024 | Exclusive: ZwitterCo raises $58.4M for water treatment tech | figcaption>span]:font-sans" data-chromatic="ignore"> ZwitterCo, a developer of advanced membranes for water treatment, raised a $58.4 million Series B, the company tells Axios. Why it matters: Founders and investors com... |
| 09.07.2024 | ZwitterCo Raises $58.4M in Series B Funding | ZwitterCo, a Woburn, MA-based company empowering water treatment through advanced membrane technologies, raised $58.4M in Series B funding. The round was led by Evok Innovations with participation from DCVC, BHP, Munich Re Ventures, Sitegro... |
| 14.02.2023 | Turning waste water into water that works with Alex Rappaport from ZwitterCo | Welcome back to Found, where we get the stories behind the startups. This week Darrell and Becca are joined by Alex Rappaport, the CEO and co-founder of ZwitterCo, a startup that develops technology that filters waste water. Alex talked abo... |
| 15.09.2022 | ZwitterCo Raises $33M for Wastewater Filter Tech Jobs at ZwitterCo | ZwitterCo CEO and co-founder Alex Rappaport. | Photo: ZwitterCo ZwitterCo, a wastewater filter membrane manufacturer, announced on Thursday it raised $33 million in Series A funding led by DCVC. The Boston-based company plans to use its new... |
| 15.09.2022 | ZwitterCo Raises USD33M in Series A Funding | ZwitterCo, Inc., a Boston, MA-based advanced membrane technology company, raised USD33m in Series A funding. The round was led by DCVC with participation from new investors Heritage Group Ventures, Genoa Ventures, and Mott Corporation, and ... |
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