ContactTerms
ET/EN/RU
EN
EestiEnglishРусский
nimistuEstonia'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
ContactTerms
ET/EN/RU
EN
EestiEnglishРусский
nimistu
Search›Companies›Seron OÜ
16814354ActivePrivate limited company

Seron OÜ

Tartu maakond, Tartu linn, Tartu linn, Kummeli tn 8a-23·EMTAK 68111 — Buying and selling of own real estate·2+ years
Andmed · ···
On this page
SanctionsOverviewOfficersShareholdersFoundersBeneficial ownersOther rolesForeign parentSubsidiariesFinancialsTax filingsPledgesPledges as creditorLicencesNoticesTech stackCourt rulingsTVK decisionsBlacklistLabour inspectorateHazardous facilityDPA decisionsTax-deductibleEU lobby registerTrademarksPatentsReal estateVehiclesGrantsProcurementsState paymentsActivityConnected companies
Extension

Right in search

nimistu card above Google, Bing and DuckDuckGo results.

Chrome→Firefox→Edge→
Free · ~14 KB
See the extension →

Overview

e-Business Register · 17 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
08.09.2023e-Business Register
Address
Kummeli tn 8a-23, Tartu linn, Tartu linn, 50304 Tartu maakondADS · e-Business Register
E-mail address
enn.ruusmaa@gmail.come-Business Register
Principal activity
EMTAK 68111 - Buying and selling of own real estatee-Business Register · ETCB
Share capital
2500,00 €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 2025
0 €
▼ NaN% vs 2024
As of 10.04.2026 (MTA)
Employees
–
2025 (MTA)
Taxes paid
32 €
State + labour taxes · 2025 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)

Registered 8. september 2023, primary activity: Buying and selling of own real estate. Main place of business in Tartu linn, Tartu linn, Tartu maakond.

Data · 7 sourcese-Business Register · 5 min agoMTA
e-Business Register ↗
Revenue 2025
0 €
▼ NaN% vs 2024
As of 10.04.2026 (MTA)
Employees
–
2025 (MTA)
Taxes paid
32 €
State + labour taxes · 2025 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 17 h ago
ER
Enn Ruusmaa
Born 1956 · 70 y · board member since 13.11.2025
Board member

Founders

e-Business Register · 17 h ago
KR
Karl Ruusmaa
Born 1994 · 31 y · founder since 07.09.2023
Founder · 3k €

Shareholders

e-Business Register · 17 h ago
KR
Karl Ruusmaa
Born 1994 · 31 y · shareholder since 08.09.2023
Shareholder 100% · 3k €

Beneficial owners

e-Business Register · 17 h ago
KR
Karl Ruusmaa
Born 1994 · 31 y · ultimate beneficial owner since 08.09.2023
Ultimate beneficial owner

Annual reports (2)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2025
0 €
Employees 2025
0
YearRevenueProfitEquityAssetsEmployees
2025

Taxes and employees

Estonian Tax and Customs Board · 10.04.2026 as of
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2025—32 €0 €–
2024—12 €0 €–
Quarterly breakdown
YearQ1Q2Q3

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
13.01.2026ReportEsitati 2025. aasta aruanne— Käive 0 €
2025
17.12.2025FilingMuutmiskanne TsMS § 595¹ lg 1 alusel2×expand ›hide ⌃
  • Ä 50236676 / 4 · Olek: Jõustunud
  • Kanne nr 4 · kanne
13.11.2025OfficerAstus juhatusse— Enn Ruusmaa

Connected companies

Same-person ties · e-Business Register

Seron OÜ is connected to 13 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Enn Ruusmaa (11 companies).

Total connections
13
via 2 people
Connecting people
2
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Enn
11 companies
Via personEnn Ruusmaa
0 €
−1215 €
748 €
753 €
0
13.01.2026
20240 €−537 €2k €14k €027.03.2025
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
Q4
Revenue 2025––––
State taxes 202532 €–––
Taxes on workforce 20250 €–––
Employees 2025––––
Revenue 2024––––
State taxes 2024–12 €––
Taxes on workforce 2024–0 €––
Employees 2024––––
13.11.2025
FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50236676 / 3 · Olek: Jõustunud
  • Kanne nr 3 · kanne
27.03.2025ReportEsitati 2024. aasta aruanne— Käive 0 €
2024
28.08.2024FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50236676 / 2 · Olek: Jõustunud
  • Kanne nr 2 · kanne
11
Karl Ruusmaa2
ER
Enn Ruusmaa
board member
11 other companies›
CompanyRoleReg. code
ESTGPS OÜ
Recipient for procedural documents
12861747
Korply OÜ
Board member
14808556
Mittetulundusühing Purku Keskus
Founder
80248748
MTÜ LÄÄNE-TARTUMAA ARENDUSKESKUS
Founder
80327353
OÜ POILEKO
FounderUltimate beneficial ownerShareholder 100%Board member
17003735
OÜ RUUSMAA KINNISVARA
Board member
10912274
R Power OÜ
Liquidator
14084182
Ruusmaa Financial Consulting OÜ
FounderUltimate beneficial ownerShareholder 100%Board member
16936078
STARSAT KAUBANDUS OÜ
Ultimate beneficial ownerShareholder 50%
10892413
uHero Technology OÜ
Liquidator
16015162
Wellbaum OÜ
Board member
16159808
KR
Karl Ruusmaa
founder, shareholder 100%, ultimate beneficial owner
2 other companies›
CompanyRoleReg. code
Korply OÜ
Shareholder 100%FounderUltimate beneficial owner
14808556
OÜ RUUSMAA KINNISVARA
Ultimate beneficial ownerShareholder 33%
10912274