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Search›Companies›GaiaHub OÜ
16679844ActivePrivate limited company

GaiaHub OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Kentmanni põik 3-11·EMTAK 72191 — Teadus- ja arendustegevus muude loodus- ja tehnikateaduste vallas·3+ years
Andmed · ···
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Overview

e-Business Register · 21 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
20.02.2023e-Business Register
Address
Kentmanni põik 3-11, Kesklinna linnaosa, Tallinn, 10116 Harju maakondADS · e-Business Register
E-mail address
lenchornovol@gmail.come-Business Register
Telephone
+372 55672672· Elisa Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 72191 - Teadus- ja arendustegevus muude loodus- ja tehnikateaduste vallase-Business Register · ETCB
Share capital
6,25 €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
  • FAQ
  • For journalists
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Revenue 2025
–
As of 10.04.2026 (MTA)
Employees
1
2025 (MTA)
Taxes paid
2000 €
State + labour taxes · 2025 (I-IV kv)
Tax debt
0 €
As of 27.06.2026 (MTA)

Registered 20. veebruar 2023, primary activity: Teadus- ja arendustegevus muude loodus- ja tehnikateaduste vallas. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Data · 7 sourcese-Business Register · 1 min agoMTA
e-Business Register ↗
Revenue 2025
–
As of 10.04.2026 (MTA)
Employees
1
2025 (MTA)
Taxes paid
2k €
State + labour taxes · 2025 (I-IV kv)
Tax debt
€0
As of 27.06.2026 (MTA)

Officers (6)

e-Business Register · 21 h ago
CO
Chahinez Ounoughi
Born 1994 · 31 y · board member since 20.02.2023
Board member
HV
Helena Väinmaa
Born 1998 · 28 y · board member since 20.02.2023
Board member
MK
Mervet Kägu
Born 1988 · 37 y · board member since 20.02.2023
Board member
OC
Olena Chornovol
Born 1997 · 28 y · board member since 20.02.2023
Board member
RE
Riina Eedra
Born 1971 · 54 y · board member since 20.02.2023
Board member
SB
Sadok Ben Yahia
Born 1971 · 54 y · board member since 20.02.2023
Board member

Founders (6)

e-Business Register · 21 h ago
OC
Olena Chornovol
Born 1997 · 28 y · founder since 18.02.2023
Founder · 1 €
RE
Riina Eedra
Born 1971 · 54 y · founder since 18.02.2023
Founder · 1 €
SB
Sadok Ben Yahia
Born 1971 · 54 y · founder since 18.02.2023
Founder · 1,25 €
CO

Shareholders (6)

e-Business Register · 21 h ago
0%50%100%
Founder / management
100.0% · 6
#ShareholderType%€
1
Sadok Ben Yahia
Founder / management20.00%

Beneficial owners (6)

e-Business Register · 21 h ago
CO
Chahinez Ounoughi
Born 1994 · 31 y · ultimate beneficial owner since 20.02.2023
Ultimate beneficial owner
HV
Helena Väinmaa
Born 1998 · 28 y · ultimate beneficial owner since 20.02.2023
Ultimate beneficial owner
MK
Mervet Kägu
Born 1988 · 37 y · ultimate beneficial owner since 20.02.2023
Ultimate beneficial owner

Annual reports (3)

e-Business Register · annual reports · 23 h tagasi
Employees 2025
0
YearRevenueProfitEquityAssetsEmployees
2025–−5521 €7k €20k €0

Taxes and employees

Estonian Tax and Customs Board · 10.04.2026 as of
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2025—961 €1039 €1
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2025–

Tech stack

Tehnoloogiad
Mobile carrier
+372 55672672Elisa Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
14.04.2026ReportEsitati 2025. aasta aruanne
2025
19.05.2025ReportEsitati 2024. aasta aruanne
2024
19.07.2024ReportEsitati 2023. aasta aruanne

Connected companies

Same-person ties · e-Business Register

GaiaHub OÜ is connected to 4 other companies through 4 people who hold a role here and elsewhere. The strongest tie runs through Helena Väinmaa (1 company).

Total connections
4
via 4 people
Connecting people
4
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Helena
1 company
Via personHelena Väinmaa
Chahinez Ounoughi
Born 1994 · 31 y · founder since 18.02.2023
Founder · 1 €
HV
Helena Väinmaa
Born 1998 · 28 y · founder since 18.02.2023
Founder · 1 €
MK
Mervet Kägu
Born 1988 · 37 y · founder since 18.02.2023
Founder · 1 €
1,25 €
2
Helena Väinmaa
Founder / management16.00%1 €
3
Riina Eedra
Founder / management16.00%1 €
4
Chahinez Ounoughi
Founder / management16.00%1 €
5
Olena Chornovol
Founder / management16.00%1 €
6
Mervet Kägu
Founder / management16.00%1 €
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
20.0%
Top 3
52.0%
Top 5
84.0%
Top 10
100.0%
80% line
5 of 6
Gini
0.03

Distributed control: top 5 jointly hold the majority.

SB
Sadok Ben Yahia
Born 1971 · 54 y · shareholder since 02.09.2023
Shareholder 20% · 1,25 €
HV
Helena Väinmaa
Born 1998 · 28 y · shareholder since 02.09.2023
Shareholder 16% · 1 €
RE
Riina Eedra
Born 1971 · 54 y · shareholder since 02.09.2023
Shareholder 16% · 1 €
CO
Chahinez Ounoughi
Born 1994 · 31 y · shareholder since 02.09.2023
Shareholder 16% · 1 €
OC
Olena Chornovol
Born 1997 · 28 y · shareholder since 02.09.2023
Shareholder 16% · 1 €
MK
Mervet Kägu
Born 1988 · 37 y · shareholder since 02.09.2023
Shareholder 16% · 1 €
OC
Olena Chornovol
Born 1997 · 28 y · ultimate beneficial owner since 20.02.2023
Ultimate beneficial owner
RE
Riina Eedra
Born 1971 · 54 y · ultimate beneficial owner since 20.02.2023
Ultimate beneficial owner
SB
Sadok Ben Yahia
Born 1971 · 54 y · ultimate beneficial owner since 20.02.2023
Ultimate beneficial owner
14.04.2026
2024–11 263 €12k €12k €019.05.2025
2023–796 €802 €802 €019.07.2024
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
–
–
–
State taxes 2025–––961 €
Taxes on workforce 2025–––1k €
Employees 2025––1–
1
Mervet Kägu1
Olena Chornovol1
Riina Eedra1
HV
Helena Väinmaa
board member, founder, shareholder 16%, ultimate beneficial owner
1 other company›
CompanyRoleReg. code
Helena Väinmaa
Sole trader
14905822
MK
Mervet Kägu
board member, founder, shareholder 16%, ultimate beneficial owner
1 other company›
CompanyRoleReg. code
Harku vald, Tiskre küla, Välja tee 14 korteriühistu
Board member
80577009
OC
Olena Chornovol
board member, founder, shareholder 16%, ultimate beneficial owner
1 other company›
CompanyRoleReg. code
Olena Chornovol
Sole trader
16934420
RE
Riina Eedra
board member, founder, shareholder 16%, ultimate beneficial owner
1 other company›
CompanyRoleReg. code
Kestlikud lahendused OÜ
Ultimate beneficial ownerFounderShareholder 100%
17082960