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Skeleton Technologies

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Global technology leader in supercapacitor energy storage, enabling electrification and reducing CO2 emissions

Tallinn, EstoniaFounded 2009Defence
Valuation $250–500M Last recorded · 2026
Revenue $1–10M Latest reported FY
Headcount 100–500 Current team size
Total funding $100–500M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Skeleton Technologies and the history behind them.

About Skeleton Technologies

Skeleton Technologies is a high power energy storage company that aims to facilitate a carbon-neutral future. The company operates in the energy storage market, serving clients across various sectors including power generation, transportation, and industry. These sectors are the largest contributors to CO2 emissions, and Skeleton Technologies aims to reduce these emissions through their innovative energy storage solutions.

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The company's business model revolves around the use of a patented raw material, Curved Graphene. This material enables Skeleton Technologies to develop energy storage technologies that can be used in a wide range of applications for hybridization and electrification. These technologies not only save energy but also lead the way in performance.

Skeleton Technologies makes money by selling their energy storage solutions to businesses in the power generation, transportation, and industrial sectors. Their solutions help these businesses to reduce their CO2 emissions, optimize their energy use, and move towards a net-zero future. For instance, their energy storage solutions can boost the efficiency of wind turbines, trains, buses, and trams, and can also be used to energize heavy equipment in the industrial sector.

In the automotive sector, Skeleton Technologies offers a green alternative to lead-acid batteries and boosts lithium-ion batteries with high-power support. This helps to speed up the electrification process and steer the transportation world towards greener horizons.

In conclusion, Skeleton Technologies is a forward-thinking company that is driving innovation in the energy storage market. Their solutions are not only helping businesses to save energy and reduce emissions but are also paving the way for a carbon-neutral future.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2009
Headquarters
Tallinn, Estonia
Employees
244
Open positions
23
Dealroom signal
68.9/100
Sub-industry
Energy Storage, Vehicle Production
Sector
Defence, Automotive, Battery, Sustainable Development Goals, Aviation and Aerospace, EIC, Industrial Technology, EV Battery Other Chemistry, EV Battery
Technology
Artificial Intelligence, Deep Tech
Business model
Manufacturing
Client focus
b2b

Funding history

10 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
LATE VCOther financing May 2026 $36M $297M SmartCap · Taiwania Capital · Axon Partners Group ↗
GRANTOther financing Aug 2025 $7.7M — ELY Centre ↗
Showing the latest 2 of 10 recorded eventsBook a demo for the full funding history →

Financials

Revenue over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowth
2026
2025
2024
2023
2022
2021
2020 —
Company filings, research estimates and Dealroom dataBook a demo for the full financial model →

Growth signals

Skeleton Technologies website traffic

Latest recorded traffic for Skeleton Technologies is 37K monthly website visits, down 7.5% over the last three months. Skeleton Technologies's team declined 2.4% over the past year.

Latest monthly visits37K 3-month web change-7.5% 1-year team growth-2.4%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

CompanyHeadquartersStatusEmployeesTotal fundingValuation
NAWAHInnovative, economically competitive, reliable and environmentally friendly Ultra-Fast Carbon battery and applied nanotechnology Voiron, France Closed 58 $48M $81M
AltrisDevelops a new sodium-ion battery cathode material that is made entirely of abundant and environmental materials Uppsala kommun, Sweden Operational
BroadBit BatteriesA technology company commercializing revolutionary new batteries using novel Sodium-Salt to power the future green economy Espoo, Finland Operational
TWAICETWAICE provides predictive analytics software for lithium-ion batteries. Digital twin is TWAICE's key technology, combining battery knowledge and AI. It simplifies and improves complex battery system Berlin, Germany Operational
AddionicsProvides specialised improved rechargeable batteries by redesigning their electrode architecture London, United Kingdom Operational
EnerpolyA next-generation energy storage technology company pioneering rechargeable zinc-ion battery chemistry Sigtuna kommun, Sweden Operational
LeydenJar TechnologiesUltra-thin pure-silicon anodes enabling batteries with much greater energy density, faster charging, and lower CO₂ output Leiden, Netherlands Operational
Geyser BatteriesSustainable low-cost energy storage for grid stability. Proprietary CRM-free water-based chemistry Mikkeli, Finland Operational
Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

23 investors on the cap table

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

Seed4 investors entered at this stage

  • European Innovation Council
  • Free State of Saxony
  • German Federal Ministry for Economic Affairs and Climate Action
  • ELY Centre

Series A4 investors entered at this stage

  • EstVCA
  • UP Invest
  • Harju Elekter
  • InnoEnergy

Series B and later13 investors entered at this stage

  • Firstfloor Capital
  • European Investment Bank
  • Marubeni
  • MM Grupp
  • Skaala
  • Nidoco group
  • Bengt Wahlqvist
  • Taavet Hinrikus
  • Siemens
  • Siena Secondary Fund
  • SmartCap
  • Taiwania Capital
  • Axon Partners Group

Other known investors2 additional known investors

  • Startup Wise Guys
  • BloombergNEF
Team profiled 27 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 4 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
🇩🇪 Germany42.6%
🇪🇪 Estonia32.2%
🇫🇮 Finland16.9%
🇫🇷 France2.7%
🇵🇱 Poland2.2%
Top 5 of 9 shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Skeleton Technologies 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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