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Skeleton Technologies

Defence · Tallinn, Estonia · Founded 2009

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

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.

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.

Keywords: Energy Storage, Carbon-Neutral, Curved Graphene, Hybridization, Electrification, Power Generation, Transportation, Industrial Sector, Green Alternative, Net-Zero Future.

Company overview

Skeleton Technologies company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2009
Headquarters
Tallinn, Estonia
Employees
244
Open positions
23
Dealroom signal
68.9
client focusb2btechnologyArtificial IntelligencetechnologyDeep Techsub industryEnergy Storagesub industryVehicle ProductionsectorAutomotivebusiness modelManufacturingsectorBatterysectorSustainable Development GoalssectorAviation and AerospacesectorEICsectorIndustrial TechnologysectorEV Battery Other ChemistrysectorEV Battery

Valuation & funding

Skeleton Technologies funding history

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
SECONDARYOther financing Nov 2023 $0 Siena Secondary Fund
DEBTDebt Oct 2023 $59M Marubeni · Siemens
SERIES EOther financing Oct 2023 $59M $238M Marubeni · Siemens
SERIES DOther financing Jan 2022 Nidoco group · Bengt Wahlqvist · InnoEnergy · Taavet Hinrikus
FundingOther financing Dec 2021 Startup Wise Guys
FundingOther financing Jul 2021 Startup Wise Guys
SERIES DOther financing Jun 2021 Harju Elekter · Marubeni · MM Grupp
GRANTOther financing Mar 2021 German Federal Ministry for Economic Affairs and Climate Action · Free State of Saxony
Showing 10 recorded eventsUnlock the complete deal history →

Financials

Revenue and workforce over time

Available revenue and workforce history. Fields without reported data are omitted.

YearRevenueGrowthEmployees
2026 $5.1M 0% 244
2025 $5.1M 0% 250
2024 $5.1M 0% 262
2023 $5.1M 0% 250
2022 $5.1M +33.4%
2021 $3.8M +28.7%
2020 $3M
Company filings, research estimates and Dealroom dataOpen 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%
Monthly website visits80 observations · Nov 2019–Jul 2026
Hover or focus a point to see its exact monthly valueCompare with peers →

Comparisons

Skeleton Technologies compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in 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 →

Talent graph

Skeleton Technologies's talent

Book a demo to see the people
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.

Investors

23 investors on Skeleton Technologies's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Seed 4 investors entered at this stage
European Innovation Council
Free State of Saxony
German Federal Ministry for Economic Affairs and Climate Action
ELY Centre
Series A 4 investors entered at this stage
EstVCA
UP Invest
Harju Elekter
InnoEnergy
Series B+ 13 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 2 additional known investors
Startup Wise Guys
BloombergNEF

Global footprint

Where Skeleton Technologies has talent and traffic

Workforce by country
9 countries with
team presence
🇩🇪 Germany42.6%
🇪🇪 Estonia32.2%
🇫🇮 Finland16.9%
🇫🇷 France2.7%
🇵🇱 Poland2.2%
Top 5 of 9 shown

In the news

Latest news about Skeleton Technologies

Recent press, funding announcements, and product moves mentioning Skeleton Technologies — open to read from the original sources.

See all news

Market sentiment

What the market is saying about Skeleton Technologies

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