Skeleton Technologies: Funding, Investors & Team (Sep 2026)
Skeleton Technologies is a manufacturer and developer of high energy and power density ultracapacitors based on patented curved graphene material. They deliver high power, high energy, reliable, and long-life storage solutions across the industry. Through the use of patented nanoporous carbide-derived carbon, or ‘curved graphene’, they have achieved global breakthroughs in ultracapacitor performance. The company's ultracapacitors deliver twice the energy density and 4 times the power density offered by other manufacturers. Their current customer base includes global engineering companies, the European Space Agency, and several Tier 1 automotive manufacturers.
Skeleton Technologies has raised $194M across 4 funding rounds on record, the most recent an undisclosed round of $38.7M announced in May 2026.
That round is above the $15M median round size for Energy companies tracked on FundedIQ over the last two years.
Skeleton Technologies Company Profile and Key Stats
Latest funding round on record: May 2026.
Skeleton Technologies Funding Rounds
1 of 4 rounds was announced without a disclosed amount and is excluded from the total.
Skeleton Technologies raised $41.8M in a Series D announced in Jan 2022.
1.5 years later, an undisclosed round was announced in Jul 2023 with no disclosed amount.
3 months later, a Series E of $114M was announced in Oct 2023.
2.6 years later, an undisclosed round of $38.7M was announced in May 2026.
Skeleton Technologies Founders and Leadership Team
Contact details for the Skeleton Technologies team: 1 of 1 has an email address on file.
Start 14-day free trial →Skeleton Technologies Funding Compared to Other Energy Startups
Skeleton Technologies' latest round of $38.7M is above the median round in Energy. Medians cover the last 24 months of disclosed rounds.
Funded Startups Like Skeleton Technologies in Energy and Tallinn
Companies Similar to Skeleton Technologies
Sunly, a renewable energy company, is active in the Baltics and surrounding markets. Sunly is developing…
GaltTec specializes in the development and promotion of microtubular solid oxide fuel cells, focusing on…
Gridio transforms electric vehicles into intelligent energy assets. By seamlessly integrating with leading…
Fusebox develops an energy management platform that integrates and optimizes distributed power resources. The…
Elcogen, established in 2001, is a company that produces and develops high-performance anode-supported…
Efenco is working on developing a disruptive technology called Cold-Plasma-Assisted Carbon Neutral Combustion…
Zero Labs provides easily accessible and transparent systems that let anybody, anywhere to purchase…
Roofit.solar creates, produces, and constructs roofing systems that incorporate solar technology and…
They've created BIPV boards that interlock impeccably with a rooftop tiles. Remarkable implicit rooftop…
Kwota offers digital validation and trading services for recycled material CO₂ emissions.
Bia Energy is leading the way in the energy industry by seamlessly integrating smart metering infrastructure…
Matter endeavors to change the electric biological system and modify electric versatility by creating…
Skeleton Technologies Funding FAQs
What does Skeleton Technologies do?
Skeleton Technologies is a manufacturer and developer of high energy and power density ultracapacitors based on patented curved graphene material. They deliver high power, high energy, reliable, and long-life storage solutions across the industry. Through the use of patented nanoporous carbide-derived carbon, or ‘curved graphene’, they have achieved global breakthroughs in ultracapacitor performance. The company's ultracapacitors deliver twice the energy density and 4 times the power density offered by other manufacturers. Their current customer base includes global engineering companies, the European Space Agency, and several Tier 1 automotive manufacturers.
How much funding has Skeleton Technologies raised?
Skeleton Technologies has raised $194M across 4 rounds on record. The most recent is an undisclosed round of $38.7M announced in May 2026.
When did Skeleton Technologies last raise funding?
Skeleton Technologies' most recent funding round on record is an undisclosed round of $38.7M, announced in May 2026.
Who is the CEO of Skeleton Technologies?
Taavi Madiberk is listed as CEO at Skeleton Technologies.
Where is Skeleton Technologies headquartered?
Skeleton Technologies is based in Tallinn, Harjumaa, Estonia.
How many employees does Skeleton Technologies have?
Skeleton Technologies is in the 101-250 employee band.
How does Skeleton Technologies' funding compare to other Energy startups?
Skeleton Technologies' latest round of $38.7M is above the $15M median round size for Energy companies on FundedIQ across 2,284 tracked companies over the last two years.
About FundedIQ's Skeleton Technologies Funding Data
FundedIQ tracks announced funding rounds and refreshes this profile every week. Round dates, stages and amounts are normalised to a single format, converted to US dollars, and de-duplicated: two records of the same round announced days apart are merged, and two genuinely different rounds are kept apart on the amounts they disclose. Amounts shown are the disclosed figures only — a round announced without a number is listed and excluded from the total rather than estimated.
Employee counts are reported bands, not exact headcounts. Founder and executive names carry the job title on record. Anything we do not hold for Skeleton Technologies is left off this page rather than filled in.
Know who just raised. Then know who to reach.
Every newly funded startup with its round, its investors and its founders: delivered weekly by email, or searchable in the app.
Alerts from $19/mo · Pro from $99/mo. Card required, nothing charged until day 15, and we email you 3 days before that.