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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
SanctionsOverviewOfficersShareholdersFoundersOther rolesForeign parentSubsidiariesFinancialsTax filingsPledgesPledges as creditorLicencesNoticesTech stackCourt rulingsTVK decisionsBlacklistLabour inspectorateHazardous facilityDPA decisionsTax-deductibleEU lobby registerTrademarksPatentsReal estateVehiclesGrantsProcurementsDocumentsState paymentsActivityConnected companies
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Overview

e-Business Register · 20 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
  • Activity licences
  • Recent registrations

Data

  • 79 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • FAQ
  • For journalists
  • Donate
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Revenue
1 332 808 €
▼ 1% vs 2024
As of 10.04.2026 (MTA)
Employees
–
2022 (MTA)
Taxes paid
9112 €
State + labour taxes · 2022 IV kv
Tax debt
0 €
As of 10.08.2026 (MTA)

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

Data · 9 sourcese-Business Register · 8 min agoMTAWeb tech scanEesti InternetPäästeamet
e-Business Register ↗
Revenue 2022
1,3m €
▼ 1% vs 2024
As of 10.04.2026 (MTA)
Employees
–
2022 (MTA)
Taxes paid
142k €
State + labour taxes · 2022
Tax debt
€0
As of 10.08.2026 (MTA)

Officers (5)

e-Business Register · 20 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 · 39 y · supervisory board member since 17.02.2025
Supervisory board member

Founders (2)

e-Business Register · 20 h ago
UI
UG Investments OÜLEGAL PERSON
Legal person · 12467306 · founder since 23.03.2021
Founder · 7k €
RI
RothCap Investments OÜLEGAL PERSON
Legal person · 12709643 · founder since 23.03.2021
Founder · 3k €

Shareholders (9)

e-Business Register · 20 h ago
0%50%100%
Founder / management
80.5% · 4
VC
3.5% · 1
Long tail
16.1% · 4

Subsidiaries

e-Business Register · shareholders · 20 h ago

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

OÜ Stargate Hydrogen Solutions
FounderShareholder 100%

Annual reports (5)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2025
1,3m €
↘ -1.0% vs 2024
Employees 2025
63
↗ +18.9% vs 2024
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

Website analysis · 4 päeva tagasi
Domains (1)
stargatehydrogen.ee
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Detected technologies
Web serverApache

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
2026
30.06.2026ReportEsitati 2025. aasta aruanne— Käive 1 332 808 €
2025
18.12.2025OfficerSai osanikuks— AS SmartCap · · 10 %
18.12.2025FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50169858 / 12 · Olek: Jõustunud
  • Kanne nr 12 · kanne

Connected companies

Same-person ties · e-Business Register

OÜ Stargate Hydrogen is connected to 48 other companies through 5 people who hold a role here and elsewhere. The strongest tie runs through Priit Koit (18 companies).

Total connections
48
via 5 people
Connecting people
5
Active here
Distinct roles
2
Board member · Supervisory board member
Strongest tie
Priit
18 companies
Via personPriit Koit
#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 €
2025AUD1 332 808 €−414 €17,4m €17,4m €6330.06.2026
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––––
08.07.2025
OfficerSai osanikuks— Repsol Energy Ventures, S.A.U · 3 %
08.07.2025FilingMuutmiskanne2×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
18
Taavi Madiberk11
Marko Virkebau8
Valdur Laid8
Rainer Küngas3
PK
Priit Koit
supervisory board member
18 other companies›
CompanyRoleReg. code
aktsiaselts Est-Agar
Supervisory board member
10215434
AKTSIASELTS TALLINNA VESI
Supervisory board member
10257326
AS Merirahu Sadam
Board member
11397259
AS Utilitas Eesti
Supervisory board member
10419088
AS Utilitas Tallinna Soojus
Supervisory board member
16791481
AS ÜHISTEENUSED
Supervisory board member
11052490
Merirahu Elamute ühendus
Board member
80195526
Osaühing Utilitas
Board member
12205523
OÜ E44ST
Board memberShareholder 35%Founder
16027811
OÜ Merirahu Võrgud
Board member
10819528
OÜ Sirius Capital
Shareholder 100%Board memberFounder
10780683
OÜ Sirius Energy
Shareholder 100%Board member
14663106
OÜ Utilitas Tallinna Elektrijaam
Supervisory board member
10938397
Reval Auto Esindused OÜ
Supervisory board member
11708452
Thermory AS
Supervisory board member
10278819
UG Investments OÜ
Board memberShareholder 3%
12467306
… and 2 more · see on the person page ↗
TM
Taavi Madiberk
supervisory board member
11 other companies›
CompanyRoleReg. code
Altenburg Infra OÜ
Board member
17553370
Car Bond OÜ
FounderShareholder 100%
17334490
MV
Marko Virkebau
board member
8 other companies›
CompanyRoleReg. code
Altenburg OÜ
Board member
17174619
Frankenburg Technologies OÜ
Supervisory board member
16901751
Marhen OÜ
VL
Valdur Laid
supervisory board member
8 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 memberShareholder 50%Founder
12602187
OÜ Brint
Board memberShareholder 100%
Frankenburg Technologies OÜ
Shareholder 28%FounderSupervisory board member
16901751
Optical Reality OÜ
Board member
17568383
OÜ Pronto Eesti
Board member
11683775
OÜ Skeleton Technologies Group
Board member
12421505
OÜ Venture22
Shareholder 100%Board member
11556545
RothCap Global OÜ
Board member
17535875
RothCap Investments OÜ
Board memberShareholder 100%Founder
12709643
Sirbi investeeringud OÜ
Board memberFounderShareholder 80%
16616200
Sovereign Europe Fund OÜ
Board memberFounderShareholder 100%
17439438
Shareholder 50%FounderBoard member
14081344
MarkeDroid OÜ
Supervisory board member
16720512
Marko Capital OÜ
Shareholder 100%FounderBoard member
14307363
OÜ Stargate Hydrogen Solutions
Board member
16193521
Sirbi investeeringud OÜ
Board memberFounderShareholder 20%
16616200
SPM Advisory OÜ
Board memberFounderShareholder 50%
16187325
Board memberShareholder 100%Founder
11919442
Reval Auto Esindused OÜ
Supervisory board member
11708452
Sihtasutus Hille Tänavsuu Vähiravifond Kingitud Elu
Supervisory board member
90012656
Swedbank AS
Supervisory board member
10060701
Thermory AS
Supervisory board member
10278819
UG Investments OÜ
Board memberShareholder 1%
12467306
Founder
16662536
OÜ Stargate Hydrogen Solutions
Board member
16193521

Documents (1)

dokumendiregister.ee
  • 11.04.2022Kiri· Väljaminev kiriTarbijakaitse ja Tehnilise Järelevalve Amet

Analysis · 2025

computed from annual reports
Revenue1,3m €median 1,3m €1.0× the sector median
Net margin-0.0%median 2.2%-2.2 pp vs sector median
Revenue per employee21k €median 153k €14% of the sector median
Revenue change-1.0%median 3.9%-4.9 pp vs sector median
Equity ratio100.0%
Current ratio0.01current assets cover under 1× liabilities
Labour cost of revenue342.5%
Profit per employee−7 €
Compared with2024revenue 1,3m €

Peer group: Valdusfirmade tegevus, 35 trading companies that filed a report in the last three years.

Founded 2021. That year 19,673 osaühing were registered; 18,994 are still trading, or 96.6%.