When was Skeleton Tech founded?

Skeleton Tech was founded in 2009 and raised its 1st funding round 5 years after it was founded.

Where is Skeleton Tech located?

Skeleton Tech is headquartered in Tallinn, Estonia. It is registered at Sepise tn 7.

Who is the current CEO of Skeleton Tech?

Taavi Madiberk of Skeleton Tech. They are also angel investors in 4 startups, including .

How many employees does Skeleton Tech have?

As of Sep 30, 2026, the latest employee count at Skeleton Tech is 247.

Is Skeleton Tech a funded company?

Skeleton Tech is a funded company, having raised a total of $374M across 23 funding rounds to date. The company's 1st funding round was a $***** Series A round, raised on Jul 31, 2014.

When was the latest funding round of Skeleton Tech?

Skeleton Tech's latest funding was a $***** Series E round on May 07, 2026, with participation from 3 investors.

Where does Skeleton Tech rank among its competitors?

Skeleton Tech ranks 1st amongst 59 active competitors, of which 11 are funded. It stands 1st in terms of total funding among its competitors. The most recent competitor to raise funding was Skeleton Tech, which secured $38.8M in May, 2026.

Who are the top competitors of Skeleton Tech?

Skeleton Tech's top competitors include Maxwell Technologies, Cap-xx and Ioxus. Among them, Skeleton Tech secured the most recent funding round in May, 2026.

Skeleton Tech - 2026 Company Profile, Team, Funding, Competitors & Financials

Company Details

Manufacturer of power systems for infrastructure and energy storage applications. The organization develops rack-to-grid power solutions including uninterruptible power supplies, battery backup units, and capacitor shelf systems. Utilizing proprietary carbon-based energy storage technology, the systems stabilize electrical loads for data centers and grid applications. The hardware integrates power electronics and energy management software to support rapid dynamic response for high-compute workloads. These solutions facilitate peak shaving and power quality maintenance for industrial and technological facilities.

Website: www.skeletontech.com/
Social
Email ID: *****@skeletontech.com
Phone Number: +372 **********
Registered Address: Sepise tn 7

Key Metrics

Founded Year

2009

Location

Tallinn, Estonia

Stage

Series E

Total Funding

$374M in 23 rounds

Latest Funding Round

Series E, May 07, 2026, $*****

Investors

Marubeni & 22 more

Ranked

1^st among 59 active competitors

Employee Count

247 as on Sep 30, 2026

Similar Companies

Maxwell Technologies & 42 more

View Skeleton Tech's full profile

Skeleton Tech is associated with 7 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count
Skeleton Technologies Gmbh CIN: HRB43624 , Germany, Active	Jun 09, 2013	-	-
Tech Jobs International OÜ CIN: 16598666 , Estonia, Active	Oct 20, 2022	€0 - €1M (As on Dec 31, 2023)	-
Skeleton Hybrid Power OÜ CIN: 14590761 , Estonia, Active	Oct 21, 2018	-	-
Oü Skeleton Technologies Group CIN: 12421505 , Estonia, Active	Feb 13, 2013	-	1 (As on Mar 31, 2021)
OÜ Skeleton Technologies CIN: 11711827 , Estonia, Active	Sep 02, 2009	-	120 (As on Sep 30, 2024)
Eleton OÜ CIN: 14625229 , Estonia, Active	Dec 11, 2018	€0 - €1M (As on Dec 31, 2020)	-
Skeleton Technologies Gmbh CIN: HRB32322 , Germany, Active	Jun 09, 2013	-	-

Skeleton Tech has raised a total funding of $374M over 23 rounds. Its first funding round was on Jul 31, 2014. Its latest funding round was a Series E round on May 07, 2026 for $*****. 3 investors participated in its latest round. Skeleton Tech has 20 institutional investors and 3 angel investors.

Here is the list of recent funding rounds of Skeleton Tech:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
May 07, 2026	2659065	Series E	5495127	6082110	9687740	4058389
Oct 13, 2023	7698719	Conventional Debt	2536695	8856315	9744146	Siemens & 2 more
Oct 13, 2023	3469109	Series E	3888758	1097245	Siemens & 1 more	CBMM

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View details of Skeleton Tech's funding rounds and investors

The founders of Skeleton Tech are Taavi Madiberk, Oliver Ahlberg and Timo Koljonen.

Here are the details of Skeleton Tech's key team members:

Taavi Madiberk: Co-Founder & CEO of Skeleton Tech. They are also an angel investor in 4 startups and serve on the board of 1 company.
Contact Info: 1 email address
Oliver Ahlberg: Co-Founder & Chairman of the Board of Skeleton Tech. They are also an angel investor in 3 startups.
Contact Info: 1 email address
Timo Koljonen: COO of Skeleton Tech.

Skeleton Tech's Board of Directors

Skeleton Tech's board has 5 active members. Taavi Madiberk and Dr. Linus Froböse are part of team and Christian Kroll, Bruno Danelon and Justus Isaak Schollmeyer are independent board members.

Here is the list of Skeleton Tech's board of directors:

Name	Type	Representing	Status	Duration
Taavi Madiberk	Team	-	Current	1y 7m
sttmiwt	Team	-	Current	1y 5m
Christian Kroll	Independent board member	-	Current	3y 10m
pogir{i	Independent board member	-	Current	7y 3m
kgmdn{c	Independent board member	-	Current	9y 3m

View details of Skeleton Tech's Founder profiles and Board Members

Skeleton Tech's employee count trend

Skeleton Tech has 247 employees as of Sep 26. Here is Skeleton Tech's employee count trend over the years:

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Top competitors of Skeleton Tech include Maxwell Technologies, Cap-xx and Ioxus. Here is the list of Top 10 competitors of Skeleton Tech, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Skeleton Tech 2009, Tallinn (Estonia), Series E	Manufacturer of power systems for infrastructure and energy storage applications	$374M	Taiwania Capital, European Investment Bank ... & 21 others	60/100
2nd	Maxwell Technologies 1965, San Diego (United States), Acquired	Provider of ultracapacitor-based energy storage	-	SDIC Innovation, East West Bank & 3 others	53/100
3rd	Cap-xx 1997, Lane Cove (Australia), Public	Manufacturer of thin-film graphene supercapacitors and ultracapacitors	$17.2M	Technology Venture Partners, Abn Amro & 8 others	52/100
4th	Ioxus 2007, Oneonta (United States), Acquired	Manufacturer of ultracapacitor cells, modules, and power delivery systems	$58.5M	The Westly Group, Aster & 13 others	47/100
5th	Evans 1996, East Providence (United States), Acquired	Provider of hybrid capacitors for defence applications	-	-	40/100
6th	Kranking 2009, Bhopal (India), Unfunded	Manufacturers of ultracapacitors	-	-	39/100
7th	Amperics 2009, Livermore (United States), Deadpooled	Ultra-capacitor developers	-	National Science Foundation, Gimmel Entrepreneurs Fund ... Read more	37/100
8th	Tubex NRG 2016, Ness Ziona (Israel), Funding Raised	Nano technology based solution provider for batteries	-	EIC Fund, Europa	36/100
9th	PBC Tech 2008, Troy (United States), Series A	Developer of ultra-thin supercapacitors	$3.65M	New York State Energy Research and Development Authority, Caerus Ventures ... & 1 others	35/100
10th	C2C Newcap 2014, Odivelas (Portugal), Funding Raised	Manufacturers of supercapacitors	-	EIC Fund, MassChallenge & 3 others	35/100