F
Factorial Energy
Transportation · Woburn, United States · Founded 2013
Transformational Solid-state Battery Technology MoreLess
Factorial Energy is a pioneering startup that operates in the energy sector, specifically focusing on the development and commercialization of solid-state batteries. The company has been investing heavily in research and development over the past six years, resulting in the creation of their proprietary Factorial Electrolyte System Technology (FEST®). This technology is a new type of battery that is safer, more efficient, and has a higher energy density than traditional batteries.
Factorial Energy's primary market is the automotive industry, where they work with some of the world's largest auto Original Equipment Manufacturers (OEMs) and battery manufacturers. Their business model is centered around the production and sale of their FEST® system to these manufacturers, who then incorporate the technology into their electric vehicles (EVs). The company's solid-state batteries are set to debut in the high-spec market, serving as a test for their performance and manufacturability.
The company has recently expanded its operations by opening a new 67,000 square foot factory, signaling a significant step towards large-scale production. Factorial Energy's strategy is built on successful collaboration along the supply chain, partnering with major auto OEMs, battery manufacturers, and strategic material suppliers.
In summary, Factorial Energy is a promising startup that is poised to revolutionize the EV battery market with its innovative solid-state battery technology. The company's strong partnerships and customer-driven approach position it well for future growth in the rapidly expanding electric vehicle market.
Keywords: Factorial Energy, solid-state batteries, Factorial Electrolyte System Technology (FEST®), electric vehicles, automotive industry, Original Equipment Manufacturers (OEMs), battery manufacturers, strategic material suppliers, high-spec market, large-scale production.
Company overview
Factorial Energy company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2013
- Headquarters
- Woburn, United States
- Employees
- 132
- Open positions
- 17
- Dealroom signal
- 74.5
Valuation & funding
Factorial Energy funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| POST IPO EQUITYOther financing | Jun 2026 | $0 | — | Stellantis | ↗ |
| SPAC PRIVATE PLACEMENTOther financing | Jun 2026 | $100M | — | Cartesian Growth Corporation III | ↗ |
| SPAC IPOOther financing | Jun 2026 | $0 | $1.3B | Cartesian Growth Corporation III | ↗ |
| LATE VCOther financing | Feb 2026 | $0 | — | Philenergy | ↗ |
| CONVERTIBLEOther financing | Jan 2026 | $0 | — | Poscofuturem | ↗ |
| SERIES DOther financing | Jan 2022 | US Department of War · Hyundai Motor Company · NYSERDA · Kia Motors | ↗ | ||
| SERIES BOther financing | Oct 2021 | Hyundai Motor Company · Kia Motors | — | ||
| SERIES AOther financing | Apr 2021 | WAVE Equity Partners · Gatemore Capital Management | — | ||
| SERIES AOther financing | Mar 2017 | NXT Ventures · Helios Climate Ventures LLC · WAVE Equity Partners | — | ||
| GRANTOther financing | Mar 2015 | Small Business Innovation Research | — |
Growth signals
Factorial Energy website traffic
Latest recorded traffic for Factorial Energy is 32K monthly website visits, up 290.2% over the last three months. Factorial Energy's team grew 6.5% over the past year.
Hiring
Open positions at Factorial Energy
Current openings linked to this company in Dealroom.
Comparisons
Factorial Energy compared with similar companies
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Talent graph
Factorial Energy's talent
Source: Dealroom Talent Intelligence.
Investors
24 investors on Factorial Energy's cap table
Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

















Global footprint
Where Factorial Energy has talent and traffic
team presence
In the news
Latest news about Factorial Energy
Recent press, funding announcements, and product moves mentioning Factorial Energy — open to read from the original sources.
Market sentiment
What the market is saying about Factorial Energy
An AI-synthesized read of the highest-engagement posts about Factorial Energy on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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