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Address: Parda tn 8, 10151 Tallinn, Estonia
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Search›Companies›OÜ Stargate Hydrogen Solutions
16193521ActivePrivate limited companyEE102370447 · VAT-registered

OÜ Stargate Hydrogen Solutions

Harju maakond, Tallinn, Kristiine linnaosa, Laki tn 1·EMTAK 27901 — Manufacture of other electrical equipment·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 · 5 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
26.03.2021e-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 27901 - Manufacture of other electrical equipmente-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2500,00 €e-Business Register
nimistu
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
Data · 12 sourcese-Business Register · 6 min agoMTARTKMTRProcurementsEIS · PRIAEUIPO
e-Business Register ↗

Registered 26. märts 2021, primary activity: Manufacture of other electrical equipment. Main place of business in Kristiine linnaosa, Tallinn, Harju maakond.

Revenue 2026 (I kv)
1 528 184 €
▲ 42% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
64
2026 (MTA)
Taxes paid
978 813 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 26.06.2026 (MTA)
Revenue 2026 (I kv)
1,5m €
▲ 42% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
64
2026 (MTA)
Taxes paid
979k €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 26.06.2026 (MTA)

Officers (2)

e-Business Register · 5 h ago
RK
Rainer Küngas
Born 1984 · 41 y · board member since 03.08.2021
Board member
MV
Marko Virkebau
Born 1989 · 36 y · board member since 13.04.2022
Board member

Founders

e-Business Register · 5 h ago
OS
OÜ Stargate HydrogenLEGAL PERSON
Legal person · 16191501 · founder since 26.03.2021
Founder · 3k €

Shareholders

e-Business Register · 5 h ago
OS
OÜ Stargate HydrogenLEGAL PERSON
Legal person · 16191501 · shareholder since 02.09.2023
Shareholder 100% · 3k €

Beneficial owners (2)

e-Business Register · 5 h ago
KR
Kristjan Rahu
Born 1972 · 53 y · ultimate beneficial owner since 26.03.2021
Ultimate beneficial owner
TM
Taavi Madiberk
Born 1987 · 38 y · ultimate beneficial owner since 26.03.2021
Ultimate beneficial owner

Annual reports (4)

e-Business Register · annual reports · 6 päeva tagasi
Revenue 2024
1,3m €
↗ +508% vs 2023
State taxes 2025
1,6m €
↗ +47.9% vs 2024
Employees 2024
53
↗ +89.3% vs 2023
YearRevenueProfit

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
2,0m €1,0m €0

Licences (2)

MTR · 4 h tagasi
Active licences
2
Other2
Oldest · Newest
2024→2024
Oldest licenceTEL004790 · 21.11.2024
Active2 / 2
TEL004790
Elektritööd
Majandustegevusteade
From21.11.2024
UntilOpen-ended
Valid

Trademarks (1)

EUIPO · 10 päeva tagasi
stargate hydrogen
5 classes · figurative · 17.05.2022 · 018704031
Registered

Grants (1 · 29,2m €)

EIS + PRIA + Kohesio + Estonian Unemployment Insurance Fund
Developing and Validating Alkaline Electrolysis Stack Technology with Nanoceramic Electrodes
EISÜleeuroopalist huvi pakkuvate TA projektide toetusRiigieelarve (RE)2022
29 164 670 €

Public procurements (1 · 1,6m €)

Procurement Register · 4 h tagasi
Awards
1
2025–2025 · 1 year
Total amount
1,6m €
avg 1,6m €
Buyers
1
top: Aktsiaselts Metrosert
Latest
12.12.2025
1,6m € · Aktsiaselts Metrosert
20251 award1,6m €
12.122025
Aluseliste elektrolüüserite virnade (stack) pooltööstuslikud testjaamad (kuni 80 kW)
ServicesNotice c4b322bb-d15b-4b77-b0de-06955e586657
Aktsiaselts Metrosert
10397748
1 550 000 €
Award value

State-sector payments (11 · 7,9m €)

RTK Makseandmik · 15.05.2026
Transactions
11
2024–2026 · 3 years
Total amount
7,9m €
avg 716k €
Buyers
2
State and municipal bodies
Latest
16.03.2026
1,0m € · MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM

2026: 1,0m € · 2025: 4,3m € · 2024: 2,6m €

BuyerTxAmountShare
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM
70003158
10

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
12.12.2025TenderVõitis riigihanke— Aluseliste elektrolüüserite virnade (stack) pooltööstuslikud testjaamad (kuni 80 kW) · Aktsiaselts Metrosert · 1 550 000 €
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 1 345 984 €
2024
27.11.2024FilingMuutmiskanne TsMS § 595¹ lg 1 alusel2×expand ›hide ⌃
  • Ä 50170078 / 8 · Olek: Jõustunud
  • Kanne nr 8 · kanne

Connected companies

Same-person ties · e-Business Register

OÜ Stargate Hydrogen Solutions is connected to 53 other companies through 4 people who hold a role here and elsewhere. The strongest tie runs through Kristjan Rahu (28 companies).

Total connections
53
via 4 people
Connecting people
4
Active here
Distinct roles
2
Board member · Ultimate beneficial owner
Strongest tie
Kristjan
28 companies
Via personKristjan Rahu
Equity
Assets
Employees
2024AUD1 345 984 €1 252 742 €5,6m €9,1m €5330.06.2025
2023AUD221 400 €−113 394 €4,3m €9,4m €2828.06.2024
202214 450 €−274 926 €1,8m €1,9m €730.06.2023
2021–−53 927 €-21k €15k €130.06.2022
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q1 528 184 €530 748 €448 065 €64
20255 006 096 €1 639 721 €1 737 077 €59
20243 593 746 €1 108 639 €1 187 694 €58
2023712 666 €660 052 €699 827 €41
202249 241 €124 583 €133 586 €15
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20261,5m €–––
State taxes 2026531k €–––
Taxes on workforce 2026448k €–––
Employees 202664–––
Revenue 20251,1m €1,9m €563k €1,5m €
State taxes 2025370k €450k €418k €401k €
Taxes on workforce 2025398k €461k €447k €431k €
Employees 202561616359
Revenue 2024345k €1,2m €1,1m €928k €
State taxes 2024174k €281k €314k €339k €
Taxes on workforce 2024185k €302k €335k €365k €
Employees 202445495858
Revenue 202343k €133k €152k €384k €
State taxes 2023107k €145k €187k €221k €
Taxes on workforce 2023113k €148k €201k €238k €
Employees 202322273441
Revenue 20222k €12k €10k €24k €
State taxes 20225k €10k €35k €75k €
Taxes on workforce 20225k €10k €38k €81k €
Employees 202213915
TST000425
Surveseadmetööd
Majandustegevusteade
From21.11.2024
UntilOpen-ended
Valid
7,9m €
Ettevõtluse ja Innovatsiooni Sihtasutus
90006012
1
394,86 €
20261 transaction · 1,0m €
16.032026
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
1 036 623 €
20254 transactions · 4,3m €
23.122025
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
839 573 €
05.092025
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
1 369 682 €
18.062025
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
1 261 506 €
26.022025
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
787 340 €
Show remaining 6 transactions+
20246 transactions · 2,6m €
02.122024
Ettevõtluse ja Innovatsiooni Sihtasutus90006012
MAJANDAMISKULUD · Üldine majandus- ja kaubanduspoliitika
395 €
20.112024
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
402 237 €
20.112024
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM
21.11.2024LicenceUus MTR tegevusluba2×expand ›hide ⌃
  • Majandustegevusteade · TEL004790
  • Majandustegevusteade · TST000425
28.06.2024ReportEsitati 2023. aasta aruanne— Käive 221 400 €
28
Taavi Madiberk13
Marko Virkebau9
Rainer Küngas3
KR
Kristjan Rahu
ultimate beneficial owner
28 other companies›
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10215434
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14867010
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11495080
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Ultimate beneficial owner
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… and 12 more · see on the person page ↗
TM
Taavi Madiberk
ultimate beneficial owner
13 other companies›
CompanyRoleReg. code
Altenburg OÜ
Ultimate beneficial owner
17174619
Car Bond OÜ
FounderShareholder 100%Ultimate beneficial owner
MV
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board member
9 other companies›
CompanyRoleReg. code
Altenburg OÜ
Ultimate beneficial ownerBoard member
17174619
Frankenburg Technologies OÜ
Supervisory board member
16901751
RK
Rainer Küngas
board member
3 other companies›
CompanyRoleReg. code
OÜ Bakken
Board memberFounderUltimate beneficial ownerShareholder 50%
12602187
OÜ Brint
Board member
70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
321 625 €
16.082024
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
829 463 €
06.062024
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
483 296 €
08.032024
MAJANDUS- JA KOMMUNIKATSIOONIMINISTEERIUM70003158
MUUD TOETUSED · Teadus- ja arendustegevus üldises majandus-, kaubandus- ja tööjõupoliitikas
542 927 €
17334490
Frankenburg Technologies OÜ
FounderSupervisory board memberUltimate beneficial ownerShareholder 53%
16901751
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Board memberUltimate beneficial owner
11683775
OÜ Skeleton Technologies Group
Board memberUltimate beneficial owner
12421505
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Supervisory board memberUltimate beneficial owner
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OÜ Venture22
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11556545
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17535875
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Board memberFounderShareholder 80%Ultimate beneficial owner
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Ultimate beneficial owner
11922599
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Board memberFounderUltimate beneficial ownerShareholder 50%
14081344
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Supervisory board member
16720512
Marko Capital OÜ
Board memberFounderUltimate beneficial ownerShareholder 100%
14307363
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Ultimate beneficial owner
14314682
OÜ Stargate Hydrogen
Board member
16191501
Sirbi investeeringud OÜ
Board memberFounderShareholder 20%
16616200
SPM Advisory OÜ
Board memberFounderShareholder 50%Ultimate beneficial owner
16187325
Founder
Ultimate beneficial owner
Shareholder 100%
16662536
OÜ Stargate Hydrogen
Board member
16191501