# Voltpost funding: rounds and investors > Voltpost has raised $4.9M across 2 rounds since 2024. Investors include Google for Startups, Climate Capital and Cleantech Open. Every round with its source. Source: https://millionrounds.com/company/voltpost (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # 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 summary Updated 26 Oct 2026 **$4.9M** raised across 2 rounds since 2024, from 2 sources - **Latest round:** Venture Mar 2026 - **Biggest round:** $4.9M Seed · 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. 2025 2026 **$4.9M** Seed **?** Venture - **First round:** Seed, $4.9M - **Biggest round:** $4.9M - **Between rounds:** 19 months ## The rounds - **Mar 2026** Venture **Amount undisclosed** *2 returning* [Google for Startups](https://millionrounds.com/fund/google-for-startups) [Climate Capital](https://millionrounds.com/fund/climate-capital) Source recorded - **Aug 2024** Seed **$4.9M** *3 new* [Google for Startups](https://millionrounds.com/fund/google-for-startups) [Cleantech Open](https://millionrounds.com/fund/cleantech-open) [Climate Capital](https://millionrounds.com/fund/climate-capital) Source recorded SEC filing: $1.3M sold, first sale Apr 2021 ## Founders and team From Voltpost's own website: 2 founders, 5 on the team. **Jeff Prosserman** Co-Founder, CEO **Luke Mairo** Co-Founder, COO - **Aisha Besson** Accounting Operations Manager - **Dan Lipsitt** Principal Software Engineer - **James Everley** Director, Business Development - **Jeffrey Jones** Senior Director, Industrial Design - **Olivia Cosio** Partnerships 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. **Seed** 2024 **Venture** 2026 [Google for Startups](https://millionrounds.com/fund/google-for-startups) [Climate Capital](https://millionrounds.com/fund/climate-capital) [Cleantech Open](https://millionrounds.com/fund/cleantech-open) ## Everyone who backed them [Google for Startups](https://millionrounds.com/fund/google-for-startups) Accelerator **2** rounds [Climate Capital](https://millionrounds.com/fund/climate-capital) VC firm **2** rounds [Cleantech Open](https://millionrounds.com/fund/cleantech-open) Accelerator **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=voltpost). ## 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. [EcotoneGrowth Ventures](https://millionrounds.com/fund/ecotonegrowth-ventures) VC firm Per its own site [Good News Ventures](https://millionrounds.com/fund/good-news-ventures) VC firm Per its own site [Soaring Startup Circle](https://millionrounds.com/fund/ssc-venture-partners) Accelerator Per its own site ## Quick answers about Voltpost ### Who invested in Voltpost? Voltpost's investors include Google for Startups, Climate Capital and Cleantech Open. ### How much has Voltpost raised? Voltpost has raised $4.9M across 2 rounds since 2024. One round did not disclose an amount, so the total is a floor. ### When did Voltpost last raise? Voltpost's most recent round was a Venture in Mar 2026. ### What was Voltpost's biggest round? Voltpost's largest round on record is $4.9M (Seed), in Aug 2024. ### Who backed Voltpost first? Voltpost's first round on record, in Aug 2024, was backed by Google for Startups, Cleantech Open and Climate Capital. ### What stage is Voltpost at? Voltpost's latest named round is a Venture, in Mar 2026. ### Where is Voltpost based? Voltpost is based in the United States. ## Companies like Voltpost In the same sector, and raised in the last eighteen months. [**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Renew** $207M · Oct 2026](https://millionrounds.com/company/renew)[**Optivolt** $37M · Oct 2026](https://millionrounds.com/company/optivolt) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app