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Twelve

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The carbon transformation company, a new kind of chemical company built for the climate era

Berkeley, United StatesFounded 2015Aviation
Valuation $1–2.5B Last recorded · 2026
Headcount 100–500 Current team size
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Twelve and the history behind them.

At a glance

Founded
2015
Headquarters
Berkeley, United States
Sector
Aviation
Power Law
Unicorn$1–10B valuation tierThoroughbred$100M+ revenue

Knowledge graph

Founder mafia, market maps, research and news connected to this company by Dealroom
Market maps
Market map US Advanced Materials Startups Jun 25, 2026 Market map Sustainable aviation
News
News From a dozen pivots to a billion voice calls Sep 28, 2026 News Where AI Stops in Venture: Byron Ling on the Human Read Sep 25, 2026 News Pulse Fund closes $63M debut climate fund, led by solo partner Tenzin Seldon Sep 18, 2026

Investors

44 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed11 investors entered at this stage

Series A10 investors entered at this stage

  • Capricorn Investment Group
  • Future Tech Labs
  • Breakout Ventures
  • Carbon Direct
  • Evok Innovations
  • Starlight Ventures
  • Impact Science Ventures
  • Munich Re Ventures
  • Xplorer Capital
  • Microsoft Climate Innovation Fund

Series B and later23 investors entered at this stage

  • Emerson Collective
  • CSC Leasing
  • Mitsui O.S.K. Lines
  • United Airlines
  • Sumitomo Mitsui Banking
  • Fifth Wall Ventures
  • Development Bank of Japan
  • Chan Zuckerberg Initiative
  • Greycroft Partners
  • Mitsui
  • Global Brain Corporation
  • TPG
  • Elementum Ventures
  • BloombergNEF
  • The Strauch Cleantech to Market Program
  • MOL Switch
  • Advantage Partners
  • The Rise Fund (TPG)
  • Pulse Fund
  • Northstar
  • Climate Pledge Fund
  • Stanford University
  • Toppan Global Venture Partners

Ownership

Share of equity by holder

Estimated cap table from Dealroom's shareholder data — share of equity by holder. Stakes as last recorded by Dealroom (2026). Percentages are indicative.

24.5% Founders

Some investors are hidden on this public profile. See the full cap table on Dealroom →

Talent

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Employees mapped 267 incl. 1 AI specialist
Founders Hidden — book a demo/100 quality score
Key operators 7 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
9 countries with
team presence
🇺🇸 United States90.6%
🇵🇭 Philippines3.7%
🇨🇦 Canada2.4%
🇮🇹 Italy0.7%
🇪🇬 Egypt0.6%
Top 5 of 9 shown
Web traffic by country
18K monthly visits
across markets
🇺🇸 United States55.6%
🇨🇦 Canada13.9%
🇬🇧 United Kingdom11.1%
🇮🇳 India9.4%
🇦🇺 Australia5%
Top 5 markets shown

Patents

Estimated portfolio value
$29M

17 active patent families included in this estimate.

A patent family groups patent filings for the same invention. Source: Dealroom · PatSnap.

Explore the patent portfolioPatent records, technology areas and peer comparisonsBook a demo

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Twelve on X, ranked by likes and reposts, corporate channels excluded.

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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