Who invested in Voltpost

2 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cleantech

Raised 8 months ago

Funding summaryUpdated 26 Oct 2026

$4.9Mraised across 2 rounds since 2024, from 2 sources

Latest round: VentureMar 2026
Biggest round: $4.9MSeed · Aug 2024
Investors: 3

See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

20252026

$4.9MSeed?Venture

First round: Seed, $4.9M
Biggest round: $4.9M
Between rounds: 19 months

The rounds

Mar 2026
VentureAmount undisclosed2 returning
- Google for Startups
- Climate Capital
Source recorded
Aug 2024
Seed$4.9M3 new
Source recordedSEC filing: $1.3M sold, first sale Apr 2021

Founders and team

From Voltpost's own website: 2 founders, 5 on the team.

Jeff ProssermanCo-Founder, CEO

Luke MairoCo-Founder, COO

Aisha BessonAccounting Operations Manager
Dan LipsittPrincipal Software Engineer
James EverleyDirector, Business Development
Jeffrey JonesSenior Director, Industrial Design
Olivia CosioPartnerships Manager

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Seed2024Venture2026Google for Startups

Climate Capital

Cleantech Open

Everyone who backed them

Google for StartupsAccelerator2rounds

Climate CapitalVC firm2rounds

Cleantech OpenAccelerator1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 3 firms list Voltpost as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.