Loowatt key facts
as of Oct 2026- Developer of waterless toilet systems designed to provide hygienic and sustainable sanitation in areas lacking conventional infrastructure.
- Loowatt is valued at approximately $12.7M as of Oct 2026 (last reported valuation).
- It has raised $9.8M; the latest was Later Stage VC in Mar 2025.
- Notable investors include Innovate UK, Gates Foundation, Treehouse Investments, Andres Londono, Andrew Nutter — 17 tracked in total.
- Status: Privately Held (backing).
Loowatt's last reported valuation, Feb 2024. Nothing priced has surfaced since.
- ·The complete investor list: 17 names
- ·Watch Loowatt: the Monday email on marks, rounds and moves
Loowatt funding rounds
No funding rounds for Loowatt are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
Who backs Loowatt
17+Loowatt valuation
Loowatt's last reported valuation was $12.7 million in Feb 2024. No priced round, secondary trade or fund mark has surfaced since.
Loowatt investors
17 investors are on record for Loowatt, including Innovate UK, Gates Foundation, Treehouse Investments and Andres Londono.
About Loowatt
Developer of waterless toilet systems designed to provide hygienic and sustainable sanitation in areas lacking conventional infrastructure. The company offers modular, transportable units with sealed waste containment, odor control, and easy maintenance, enabling municipalities, event organizers, and communities in low-resource settings to access reliable sanitation while reducing environmental impact and supporting public health.
- Sector
- Business Products and Services (B2B)
- HQ
- London, United Kingdom
- Founded
- 2009
- Employees
- 26
- Website
- loowatt.com/
- Ownership
- Privately Held (backing)
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