OÜ Skeleton Technologies Group

Active Registry code 12421505 OÜ Tallinn Registered 14 Feb 2013

OÜ Skeleton Technologies Group is a OÜ based in Tallinn, registry code 12421505, status: active. Main activity: Other research and experimental development on natural sciences and engineering. According to EMTA, turnover for Q3 2026 was €4 141 with employees.

Turnover

4 141 €

↓ 0.2% vs Q2 2026

State taxes

56 961 €

↓ 23.3% vs Q2 2026

Labour taxes

57 490 €

↓ 24.7% vs Q2 2026

Employees

—

Q3 2026 · data from the Tax and Customs Board (EMTA)

Position in the industry Scientific research and development · EMTAK 72

Turnover · Q3 2026 4 141 €

above 30% of companies

industry median 14 442 € · companies in the industry: 318
Revenue · 2025 0 €

above 5% of companies

industry median 0 € · companies in the industry: 1 073

Taxes and turnover

Q4 2023 – Q3 2026

Turnover, € thousand Q3 2026: 4 141 € · −0.2% vs Q2 2026 · industry median 14 442 € · above 30% of the industry

Company
Industry median

Industry: Scientific research and development (the EMTAK division of the main activity). Median: half of the industry is above, half below.

State taxes, € Q3 2026: 56 961 € · −23.3% vs Q2 2026

Figures by quarter
Quarter	Turnover, €	State taxes, €	Labour taxes, €	Employees
Q3 2026	4 141	56 961	57 490	—
Q2 2026	4 149	74 264	76 354	—
Q1 2026	10 006	52 176	55 634	—
Q4 2025	2 753	52 465	54 350	—
Q3 2025	2 801	53 231	54 803	—
Q2 2025	5 760	46 447	47 885	—
Q1 2025	10 052	43 004	44 606	—
Q4 2024	15 542	44 006	44 337	—
Q3 2024	3 393	42 783	44 333	—
Q2 2024	5 268	42 847	44 375	—
Q1 2024	3 234	57 866	60 064	—
Q4 2023	854 517	46 319	48 067	—
Q3 2023	4 073	39 450	40 950	—
Q2 2023	33 654	15 780	16 380	—
Q1 2023	2 410	4 033	4 149	—
Q4 2022	3 813	6 542	4 196	—
Q3 2022	4 757	4 588	4 039	—
Q2 2022	3 779	3 525	3 503	—
Q1 2022	954	3 945	4 095	—

Financials by year

2016 – 2025

Revenue, € 2025: 0 € · industry median 0 € · above 5% of the industry

Company
Industry median

Industry: Scientific research and development (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit, € thousand 2024: -20 797 006 € · industry median 0 € · above 2% of the industry

Company
Industry median

Industry: Scientific research and development (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Assets, mn € 2025: 154 114 645 € · +8.1% vs 2024

Equity, € thousand 2024: 73 511 088 €

Employees 2025: 0 · industry median 1 · above 2% of the industry

Company
Industry median

Industry: Scientific research and development (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Financials by year
Year	Revenue, €	Net profit, €	Assets, €	Equity, €	Employees
2025	0	—	154 114 645	—	0
2024	0	-20 797 006	142 623 084	73 511 088	0
2023	0	—	157 228 597	—	2
2022	0	—	59 230 500	—	0
2021	0	—	42 714 524	—	0
2020	0	-10 293 672	26 436 220	25 815 986	0
2019	1 061	—	37 473 014	—	0
2018	—	—	—	—	92
2017	—	—	—	—	78
2016	—	—	—	—	52
2015	—	—	—	—	0
2014	—	—	—	—	0
2013	—	—	—	—	0

Figures from the company’s own (non-consolidated) balance sheet and income statement. A loss is shown with a minus sign.

Annual reports

PDFs from e-Äriregister

Annual reports
Year	Period	Filed	Report	Documents
2025	1 Jan 2025 – 31 Dec 2025	20 Aug 2026	Consolidated · audited	e-Äriregister
2024	1 Jan 2024 – 31 Dec 2024	8 Jul 2025	Consolidated · audited	e-Äriregister
2023	1 Jan 2023 – 31 Dec 2023	30 Jun 2024	Consolidated · audited	e-Äriregister
2022	1 Jan 2022 – 31 Dec 2022	27 Jul 2023	Consolidated · audited	e-Äriregister
2021	1 Jan 2021 – 31 Dec 2021	20 Jun 2022	Consolidated · audited	e-Äriregister
2020	1 Jan 2020 – 31 Dec 2020	16 Jun 2021	Consolidated · audited	e-Äriregister
2019	1 Jan 2019 – 31 Dec 2019	5 Nov 2020	Consolidated · audited	e-Äriregister

Commercial pledges

No.	Amount	Pledgee	Period
2	62 000 000 €	Marubeni Advanced Tech 1 Co., Ltd.	21 Jun 2023 – in force
1	2 000 000 €	Swedbank AS	2 Feb 2022 – in force

Board

Taavi Madiberk
Board member · since 14 Feb 2013
Margus Vals
Board member · since 22 Apr 2025

Right of representation

Any member of the management board may represent the private limited company in all transactions.

Owners

MM Grupp OÜ
Legal person · 10515366 · 7 048 €

20.40%
Siemens International Holding B.V.
Legal person · 3 887 €

11.25%
Global Portfolio Investments S.L
Legal person · 3 623 €

10.49%
OÜ Pronto Eesti
Legal person · 11683775 · 2 574 €

7.45%
KIC InnoEnergy Assets B.V.
Legal person · 2 322 €

6.72%
Siemens Project Ventures GmbH
Legal person · 1 790 €

5.18%
AS Harju Elekter Group
Legal person · 10029524 · 1 587 €

4.59%
Aifal OÜ
Legal person · 12411530 · 1 561 €

4.52%
Skaala Investments OÜ
Legal person · 11168790 · 1 277 €

3.70%
Continuum Capital II Limited Partnership
Legal person · 1 274 €

3.69%
CBMM International B.V.
Legal person · 1 066 €

3.09%
OÜ Gritworks
Legal person · 16614253 · 1 010 €

2.92%
Nidoco AB
Legal person · 738 €

2.14%
Karl Erik Bengt Wahlqvist
Natural person · 485 €

1.40%
FGR Oneiroi
Legal person · 440 €

1.27%
Jaan Leis
Natural person · 353 €

1.02%
Anti Perkson
Natural person · 353 €

1.02%
OÜ Mirrow Institute
Legal person · 10677956 · 348 €

1.01%
AS SmartCap
Legal person · 12071991 · 319 €

0.92%
Tanir Corporation
Legal person · 310 €

0.90%
Jato Limited
Legal person · 272 €

0.79%
Marubeni Advanced Tech 1 Co., Ltd.
Legal person · 247 €

0.71%
Gallisch Dorpje C.V.
Legal person · 176 €

0.51%
Mila Invest OÜ
Legal person · 11891261 · 174 €

0.50%
Treasure Horizon Ltd
Legal person · 173 €

0.50%
Emad M Albahar
Natural person · 150 €

0.43%
Prosperitas Capital, S.L
Legal person · 146 €

0.42%
Usaldusfond SIENA SECONDARY FUND I
Legal person · 16124081 · 134 €

0.39%
FGR Uneti Greentech
Legal person · 128 €

0.37%
NEXT TECHNOLOGY VENTURES II, F.C.R.
Legal person · 125 €

0.36%
Klaabu, Nipi ja Tige Kala Usaldusühing
Legal person · 10825581 · 76 €

0.22%
Next Big Thing OÜ
Legal person · 16248682 · 68 €

0.20%
Alta Energy Holdings LLC
Legal person · 65 €

0.19%
MI SK INV OÜ
Legal person · 16146295 · 65 €

0.19%
Malinska OÜ
Legal person · 16820703 · 51 €

0.15%
Sunly Innovation OÜ
Legal person · 11592334 · 40 €

0.12%
Ants Vill
Natural person · 35 €

0.10%
Land of Tomorrow B.V.
Legal person · 28 €

0.08%
Usaldusfond SIENA SECONDARY FUND Co-Invest III
Legal person · 16718780 · 26 €

0.07%

Owner in

OÜ Skeleton Technologies
100%
Skeleton Hybrid Power OÜ
100%

Beneficial owners

Margus Vals
Member of a senior management body (management or supervisory board) · since 1 Jul 2025
Oliver Ahlberg
Member of a senior management body (management or supervisory board) · since 12 Oct 2023
Taavi Madiberk
Member of a senior management body (management or supervisory board) · since 12 Oct 2023

Founders and other persons

OÜ Pronto Eesti
Founder · 2 610 € · 13 Feb 2013
Oliver Ahlberg
Chairman of the supervisory board · 8 Apr 2025
Kristel Volver
Supervisory board member · 1 Jul 2022
Petra Regge
Supervisory board member · 19 Sep 2024
Aivar Linnamäe
Supervisory board member · 8 Apr 2025
Masato Tachibana
Supervisory board member · 8 Apr 2025
Jüri Raatma
Supervisory board member · 2 Jul 2026
Kimmo Tapio Rauma
Supervisory board member · 2 Jul 2026
Markus Grabmeier
Supervisory board member · 28 Sep 2026

shared board members, owners or beneficial owners

Activities (EMTAK)

72191Other research and experimental development on natural sciences and engineering Main

Rulings 46

All rulings (PDF)

Rulings
Number, date	Title	Deadline	State	Document
Ä 10179331 / 39 22 Oct 2026	Amendment entry		In force 22 Oct 2026	PDF
Ä 10179331 / 38 22 Apr 2025	Amendment entry		In force 22 Apr 2025	PDF
Ä 10179331 / 37 21 Feb 2024	Amendment entry		In force 21 Feb 2024	PDF
Ä 10179331 / 36 28 Sep 2023	Amendment entry		In force 28 Sep 2023	PDF
Ä 10179331 / M7 25 Aug 2023	Procedural ruling	4 Sep 2023	In force 25 Aug 2023	PDF
Ä 10179331 / 35 27 Jun 2023	Amendment entry		In force 27 Jun 2023	PDF
K 10179331 / 34 21 Jun 2023	Commercial pledge entered		In force 21 Jun 2023	PDF
K 10179331 / M6 19 Jun 2023	Procedural ruling	29 Jun 2023	Deficiencies eliminated 21 Jun 2023	PDF
Ä 10179331 / 33 9 Feb 2023	Amendment entry		In force 9 Feb 2023	PDF
Ä 10179331 / 32 26 Jan 2023	Amendment entry		In force 26 Jan 2023	PDF
Ä 10179331 / 31 21 Nov 2022	Amendment under Commercial Code § 525 (2)		In force 21 Nov 2022	PDF
Ä 10179331 / 29 2 Feb 2022	Amendment entry		In force 2 Feb 2022	PDF
K 10179331 / 30 2 Feb 2022	Commercial pledge entered		In force 2 Feb 2022	PDF
Ä 10179331 / M5 31 Jan 2022	Ruling to eliminate deficiencies	2 Mar 2022	Deficiencies eliminated 1 Feb 2022	PDF
Ä 10179331 / 28 17 Jan 2022	Amendment entry		In force 17 Jan 2022	PDF
Ä 10179331 / 27 20 Oct 2021	Amendment entry		In force 20 Oct 2021	PDF
Ä 10179331 / 26 25 Jun 2021	Amendment entry		In force 25 Jun 2021	PDF
Ä 10179331 / 25 24 Mar 2021	Amendment entry		In force 24 Mar 2021	PDF
Ä 10179331 / 24 1 Mar 2021	Amendment entry		In force 1 Mar 2021	PDF
Ä 10179331 / 23 9 Feb 2021	Amendment entry		In force 9 Feb 2021	PDF
Ä 10179331 / 22 8 Jan 2021	Amendment entry		In force 8 Jan 2021	PDF
Ä 10179331 / 21 30 Oct 2020	Amendment entry		In force 30 Oct 2020	PDF
Ä 10179331 / 20 7 Oct 2020	Amendment entry		In force 7 Oct 2020	PDF
Ä 10179331 / 19 7 Oct 2020	Amendment entry		In force 7 Oct 2020	PDF
Ä 10179331 / M4 6 Oct 2020	Ruling to eliminate deficiencies	5 Nov 2020	Deficiencies eliminated 7 Oct 2020	PDF
Ä 10179331 / 18 30 Sep 2020	Amendment entry		In force 30 Sep 2020	PDF
Ä 10179331 / 17 12 Dec 2019	Amendment entry		In force 12 Dec 2019	PDF
Ä 10179331 / 16 14 Oct 2019	Amendment entry		In force 14 Oct 2019	PDF
Ä 10179331 / 15 18 Sep 2019	Amendment entry		In force 18 Sep 2019	PDF
Ä 10179331 / 14 21 Jun 2019	Amendment under Commercial Code § 525 (2)		In force 21 Jun 2019	PDF
Ä 10179331 / 13 19 Jan 2018	Amendment entry		In force 19 Jan 2018	PDF
Ä 10179331 / 12 5 Dec 2017	Amendment entry		In force 5 Dec 2017	PDF
Ä 10179331 / 11 28 Sep 2017	Amendment entry		In force 28 Sep 2017	PDF
Ä 10179331 / M3 31 Aug 2017	Procedural ruling		In force 31 Aug 2017	PDF
Ä 10179331 / 10 31 Aug 2016	Amendment entry		In force 31 Aug 2016	PDF
Ä 10179331 / 9 23 Aug 2016	Amendment entry		In force 23 Aug 2016	PDF
Ä 10179331 / 8 26 Jun 2015	Amendment entry		In force 26 Jun 2015	PDF
Ä 10179331 / M2 15 Jun 2015	Ruling to eliminate deficiencies	30 Jun 2015	Deficiencies eliminated 25 Jun 2015	PDF
Ä 10179331 / 7 15 Jun 2015	Amendment entry		In force 15 Jun 2015	PDF
Ä 10179331 / 6 5 Jun 2015	Amendment entry		In force 5 Jun 2015	PDF
Ä 10179331 / 5 16 Jul 2014	Amendment entry		In force 16 Jul 2014	PDF
Ä 10179331 / M1 15 Jul 2014	Ruling to eliminate deficiencies	14 Aug 2014	Deficiencies eliminated 16 Jul 2014	PDF
Ä 10179331 / 4 18 Apr 2013	Amendment entry		In force 18 Apr 2013	PDF
Ä 10179331 / 3 11 Apr 2013	Amendment entry		In force 11 Apr 2013	PDF
Ä 10179331 / 2 22 Feb 2013	Amendment entry		In force 22 Feb 2013	PDF
Ä 10179331 14 Feb 2013	First entry		In force 14 Feb 2013	PDF

Sources: e-Äriregister and EMTA. Data updated 31 Oct 2026. Open at the source ↗ · Report an error in the data

OÜ Skeleton Technologies Group

Position in the industry Scientific research and development · EMTAK 72

Taxes and turnover

Financials by year

Annual reports

Commercial pledges

Board

Right of representation

Owners

Owner in

Beneficial owners

Founders and other persons

Related companies

Activities (EMTAK)

Rulings 46