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Search›Companies›OÜ Stargate Hydrogen
16191501ActivePrivate limited company

OÜ Stargate Hydrogen

Harju maakond, Tallinn, Kristiine linnaosa, Laki tn 1·EMTAK 64201 — Valdusfirmade tegevus·5+ years
Andmed · ···
On this page
SanctionsOverviewOfficersShareholdersFoundersBeneficial ownersOther rolesForeign parentSubsidiariesFinancialsTax filingsPledgesPledges as creditorLicencesNoticesTech stackCourt rulingsTVK decisionsBlacklistLabour inspectorateHazardous facilityDPA decisionsTax-deductibleEU lobby registerTrademarksPatentsReal estateVehiclesGrantsProcurementsState paymentsActivityConnected companies
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Overview

e-Business Register · 3 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
24.03.2021e-Business Register
Address
Laki tn 1, Kristiine linnaosa, Tallinn, 10621 Harju maakondADS · e-Business Register
E-mail address
info@stargatehydrogen.come-Business Register
Principal activity
EMTAK 64201 - Valdusfirmade tegevuse-Business Register · ETCB
Share capital
13 599,95 €e-Business Register
Estonia's public business register
HomeViewsIndustriesBlogSourcesAbout

Public registry of Estonian companies — every fact traceable to a source and a date. Free and ad-free for everyone.

Nimistu MTÜ
Address: Parda tn 8, 10151 Tallinn, Estonia
E-mail: info@nimistu.ee

Browse

  • Home
  • Views
  • Industries
  • Recent registrations

Data

  • 72 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • For journalists
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Revenue 2022
1 345 984 €
▲ 508% vs 2023
As of 10.04.2026 (MTA)
Employees
–
2022 (MTA)
Taxes paid
141 893 €
State + labour taxes · 2022
Tax debt
0 €
As of 26.06.2026 (MTA)

Registered 24. märts 2021, primary activity: Valdusfirmade tegevus. Main place of business in Kristiine linnaosa, Tallinn, Harju maakond.

Data · 10 sourcese-Business Register · 3 min agoMTAWeb tech scanEesti InternetPäästeamet
e-Business Register ↗
Revenue 2022
1,3m €
▲ 508% vs 2023
As of 10.04.2026 (MTA)
Employees
–
2022 (MTA)
Taxes paid
142k €
State + labour taxes · 2022
Tax debt
€0
As of 26.06.2026 (MTA)

Officers (5)

e-Business Register · 3 h ago
RK
Rainer Küngas
Born 1984 · 41 y · board member since 09.07.2021
Board member
MV
Marko Virkebau
Born 1989 · 36 y · board member since 12.04.2022
Board member
PK
Priit Koit
Born 1974 · 51 y · supervisory board member since 19.12.2024
Supervisory board member
VL
Valdur Laid
Born 1969 · 56 y · supervisory board member since 19.12.2024
Supervisory board member
TM
Taavi Madiberk
Born 1987 · 38 y · supervisory board member since 17.02.2025
Supervisory board member

Founders (2)

e-Business Register · 3 h ago
RI
RothCap Investments OÜLEGAL PERSON
Legal person · 12709643 · founder since 23.03.2021
Founder · 3k €
UI
UG Investments OÜLEGAL PERSON
Legal person · 12467306 · founder since 23.03.2021
Founder · 7k €

Shareholders (9)

e-Business Register · 3 h ago
0%50%100%
Founder / management
80.5% · 4
VC
3.5% · 1
Long tail
16.1% · 4

Beneficial owners (2)

e-Business Register · 3 h ago
TM
Taavi Madiberk
Born 1987 · 38 y · ultimate beneficial owner since 24.03.2021
Ultimate beneficial owner
KR
Kristjan Rahu
Born 1972 · 53 y · ultimate beneficial owner since 24.03.2021
Ultimate beneficial owner

Subsidiaries

e-Business Register · shareholders · 3 h ago

OÜ Stargate Hydrogen is a shareholder or officer in 1 more company.

OÜ Stargate Hydrogen Solutions
FounderShareholder 100%

Annual reports (4)

e-Business Register · annual reports · 6 päeva tagasi
Revenue 2024
1,3m €
↗ +508% vs 2023
Employees 2024
53
↗ +89.3% vs 2023
YearRevenueProfitEquityAssetsEmployees

Taxes and employees

Estonian Tax and Customs Board · 10.04.2026 as of
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2022—69 623 €72 270 €–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2022–

Tech stack

Tehnoloogiad
Domains (1)
stargatehydrogen.ee
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Could not analyse (fetch failed)

Veebilehte ei õnnestunud analüüsida (fetch failed).

Päästeamet · hazardous facility (1 · 1 other)

Rescue Board · Seveso-grade sites

Major-accident-hazard facilities handle chemicals at Seveso-Directive thresholds and trigger a Rescue Board response plan plus public-notification obligations.

Class C · handling permit
Solutions
Activity
Vesinik
Hazard type
Soojuskiirgus
Location
Harju maakond, Tallinn, Lasnamäe linnaosa, Tooma tn 13
Chemicals
Kaaliumhüdroksiidi (30%-50%) vesilahus; Vesinik; Etaandiool (etüleenglükool); Propaan

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
18.12.2025OfficerSai osanikuks— AS SmartCap · · 10 %
18.12.2025FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50169858 / 12 · Olek: Jõustunud
  • Kanne nr 12 · kanne
08.07.2025OfficerSai osanikuks— Repsol Energy Ventures, S.A.U · 3 %
08.07.2025

Connected companies

Same-person ties · e-Business Register

OÜ Stargate Hydrogen is connected to 82 other companies through 6 people who hold a role here and elsewhere. The strongest tie runs through Kristjan Rahu (28 companies).

Total connections
82
via 6 people
Connecting people
6
Active here
Distinct roles
3
Board member · Ultimate beneficial owner
Strongest tie
Kristjan
28 companies
Via personKristjan Rahu
#ShareholderType%€
1
UG Investments OÜ
Founder / management49.82%7k €
2
RothCap Investments OÜ
Founder / management24.51%3k €
3
AS SmartCap
Long tail10.46%1k €
4
OÜ Brint
Founder / management3.68%500 €
5
aktsiaselts Giga
Long tail3.49%474,27 €
6
Repsol Energy Ventures, S.A.U
VC3.49%474,16 €
7
Marko Capital OÜ
Founder / management2.45%333 €
8
Aktsiaselts LINNASOOJUS
Long tail1.74%237,14 €
9
39.39 KWH OÜ
Long tail0.37%50 €
Concentration

How tightly the cap table is held. Top-N shows the combined stake of the largest N shareholders; the 80% line is the smallest group that together controls 80%; Gini is 0 when stakes are perfectly equal, 1 when one holder owns everything.

Top 1
49.8%
Top 3
84.8%
Top 5
92.0%
Top 10
100.0%
80% line
3 of 9
Gini
0.63

Dominant holder: 49.8% – non-controlling but blocking.

UI
UG Investments OÜLEGAL PERSON
Legal person · 12467306 · shareholder since 06.02.2025
Shareholder 50% · 7k €
RI
RothCap Investments OÜLEGAL PERSON
Legal person · 12709643 · shareholder since 24.03.2021
Shareholder 25% · 3k €
AS
AS SmartCapLEGAL PERSON
Legal person · 12071991 · shareholder since 18.12.2025
Shareholder 10% · 1k €
OB
OÜ BrintLEGAL PERSON
Legal person · 16662536 · shareholder since 06.02.2023
Shareholder 4% · 500 €
AG
aktsiaselts GigaLEGAL PERSON
Legal person · 10254167 · shareholder since 06.02.2025
Shareholder 3% · 474,27 €
RE
Repsol Energy Ventures, S.A.UFOREIGN
Foreign / not in register · shareholder since 08.07.2025
Shareholder 3% · 474,16 €
MC
Marko Capital OÜLEGAL PERSON
Legal person · 14307363 · shareholder since 06.02.2023
Shareholder 2% · 333 €
AL
Aktsiaselts LINNASOOJUSLEGAL PERSON
Legal person · 10265975 · shareholder since 06.02.2025
Shareholder 2% · 237,14 €
3K
39.39 KWH OÜLEGAL PERSON
Legal person · 16884550 · shareholder since 17.01.2024
Shareholder 0% · 50 €
2024AUD1 345 984 €−791 448 €2,0m €10,9m €5330.06.2025
2023AUD221 400 €−130 669 €2,7m €5,3m €2828.06.2024
2022AUD–−142 712 €2,7m €2,7m €214.07.2023
2021–−121 761 €188k €205k €230.06.2022
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
–
–
–
State taxes 202222k €26k €17k €4k €
Taxes on workforce 202223k €27k €18k €5k €
Employees 2022––––
FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50169858 / 11 · Olek: Jõustunud
  • Kanne nr 11 · kanne
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 1 345 984 €
17.02.2025OfficerAstus nõukogusse— Taavi Madiberk
06.02.2025OfficerSai osanikuks3×expand ›hide ⌃
  • Aktsiaselts LINNASOOJUS · · 2 %
  • UG Investments OÜ · · 50 %
  • aktsiaselts Giga · · 3 %
06.02.2025FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50169858 / 10 · Olek: Jõustunud
  • Kanne nr 10 · kanne
31.01.2025FilingMuutmiskanne— Ä 50169858 / M2 · Olek: Puudused kõrvaldatud
2024
19.12.2024OfficerAstus nõukogusse2×expand ›hide ⌃
  • Valdur Laid
  • Priit Koit
28.11.2024FilingMuutmiskanne TsMS § 595¹ lg 1 alusel2×expand ›hide ⌃
  • Ä 50169858 / 9 · Olek: Jõustunud
  • Kanne nr 9 · kanne
28.06.2024ReportEsitati 2023. aasta aruanne— Käive 221 400 €
28
Priit Koit20
Taavi Madiberk13
Marko Virkebau9
Valdur Laid9
Rainer Küngas3
KR
Kristjan Rahu
ultimate beneficial owner
28 other companies›
CompanyRoleReg. code
aktsiaselts Est-Agar
Ultimate beneficial ownerSupervisory board member
10215434
AS Utilitas Eesti
Supervisory board memberUltimate beneficial owner
10419088
AS Utilitas Tallinna Soojus
Ultimate beneficial owner
16791481
AS ÜHISTEENUSED
Supervisory board memberUltimate beneficial owner
11052490
Auroom OÜ
Ultimate beneficial owner
14867010
EfTEN Kristiine OÜ
Ultimate beneficial owner
17116468
Energy Solutions OÜ
FounderUltimate beneficial ownerShareholder 100%Board member
10079445
Fourings OÜ
Ultimate beneficial owner
16457368
HPT Property OÜ
Ultimate beneficial owner
12452807
Ida-India Kompanii OÜ
Shareholder 50%
11495080
K & N Puukaubanduse osaühing
Ultimate beneficial owner
10027810
Lemonade Stand OÜ
Board memberFounderUltimate beneficial owner
14776371
Mittetulundusühing VÖIMALUS
Board memberFounderUltimate beneficial owner
80563728
Osaühing Utilitas
FounderSupervisory board memberUltimate beneficial owner
12205523
OÜ Al Mare Auto
Ultimate beneficial owner
10923792
OÜ Stargate Hydrogen Solutions
Ultimate beneficial owner
16193521
… and 12 more · see on the person page ↗
PK
Priit Koit
supervisory board member
20 other companies›
CompanyRoleReg. code
aktsiaselts Est-Agar
Ultimate beneficial ownerSupervisory board member
10215434
AKTSIASELTS TALLINNA VESI
Supervisory board member
10257326
TM
Taavi Madiberk
ultimate beneficial owner, supervisory board member
13 other companies›
CompanyRoleReg. code
Altenburg OÜ
Ultimate beneficial owner
17174619
Car Bond OÜ
FounderShareholder 100%Ultimate beneficial owner
MV
Marko Virkebau
board member
9 other companies›
CompanyRoleReg. code
Altenburg OÜ
Ultimate beneficial ownerBoard member
17174619
Frankenburg Technologies OÜ
Supervisory board member
16901751
VL
Valdur Laid
supervisory board member
9 other companies›
CompanyRoleReg. code
aktsiaselts Est-Agar
Supervisory board member
10215434
AS ÜHISTEENUSED
Supervisory board member
11052490
OÜ Patrimoonium
RK
Rainer Küngas
board member
3 other companies›
CompanyRoleReg. code
OÜ Bakken
Board memberFounderUltimate beneficial ownerShareholder 50%
12602187
OÜ Brint
Board member
AS Merirahu Sadam
Ultimate beneficial ownerBoard member
11397259
AS Utilitas Eesti
Supervisory board memberUltimate beneficial owner
10419088
AS Utilitas Tallinna Soojus
Supervisory board memberUltimate beneficial owner
16791481
AS ÜHISTEENUSED
Supervisory board memberUltimate beneficial owner
11052490
EfTEN Kristiine OÜ
Ultimate beneficial owner
17116468
Merirahu Elamute ühendus
Board memberUltimate beneficial owner
80195526
Osaühing Utilitas
Board memberUltimate beneficial owner
12205523
OÜ E44ST
Board memberFounderUltimate beneficial ownerShareholder 35%
16027811
OÜ Merirahu Võrgud
Board memberUltimate beneficial owner
10819528
OÜ Sirius Capital
Board memberFounderUltimate beneficial ownerShareholder 100%
10780683
OÜ Sirius Energy
Board memberUltimate beneficial ownerShareholder 100%
14663106
OÜ Utilitas Tallinna Elektrijaam
Supervisory board memberUltimate beneficial owner
10938397
Reval Auto Esindused OÜ
Supervisory board member
11708452
Thermory AS
Supervisory board member
10278819
… and 4 more · see on the person page ↗
17334490
Frankenburg Technologies OÜ
FounderSupervisory board memberUltimate beneficial ownerShareholder 53%
16901751
OÜ Pronto Eesti
Board memberUltimate beneficial owner
11683775
OÜ Skeleton Technologies Group
Board memberUltimate beneficial owner
12421505
OÜ Stargate Hydrogen Solutions
Ultimate beneficial owner
16193521
OÜ Venture22
Board memberUltimate beneficial ownerShareholder 100%
11556545
OÜ Windmill Ventures
Ultimate beneficial owner
11717876
RothCap Global OÜ
Board memberUltimate beneficial owner
17535875
RothCap Investments OÜ
Board memberFounderUltimate beneficial ownerShareholder 100%
12709643
Sirbi investeeringud OÜ
Board memberFounderShareholder 80%Ultimate beneficial owner
16616200
Sovereign Europe Fund OÜ
Board memberFounderShareholder 100%Ultimate beneficial owner
17439438
Vigvam Studio OÜ
Ultimate beneficial owner
11922599
Marhen OÜ
Board memberFounderUltimate beneficial ownerShareholder 50%
14081344
MarkeDroid OÜ
Supervisory board member
16720512
Marko Capital OÜ
Board memberFounderUltimate beneficial ownerShareholder 100%
14307363
MeetFrank OÜ
Ultimate beneficial owner
14314682
OÜ Stargate Hydrogen Solutions
Board member
16193521
Sirbi investeeringud OÜ
Board memberFounderShareholder 20%
16616200
SPM Advisory OÜ
Board memberFounderShareholder 50%Ultimate beneficial owner
16187325
Board memberFounderUltimate beneficial ownerShareholder 100%
11919442
Reval Auto Esindused OÜ
Supervisory board member
11708452
Sihtasutus Hille Tänavsuu Vähiravifond Kingitud Elu
Supervisory board member
90012656
Superfut OÜ
Ultimate beneficial owner
12409496
Swedbank AS
Supervisory board member
10060701
Thermory AS
Supervisory board member
10278819
UG Investments OÜ
Board memberShareholder 1%
12467306
Founder
Ultimate beneficial owner
Shareholder 100%
16662536
OÜ Stargate Hydrogen Solutions
Board member
16193521