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›Calendos OÜ
16699734ActivePrivate limited company

Calendos OÜ

Lääne-Viru maakond, Rakvere linn, Võidu tn 104·EMTAK 82101 — Office administrative and support activities·3+ 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 · 20 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
21.03.2023e-Business Register
Address
Võidu tn 104, Rakvere linn, 44312 Lääne-Viru maakondADS · e-Business Register
E-mail address
calendos@calendos.eue-Business Register
Telephone
+372 55593212· Elisa Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 82101 - Office administrative and support activitiese-Business Register · ETCB
Share capital
265,00 €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 2026
13 710 €
▼ 45% vs 2024
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
800 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)

Registered 21. märts 2023, primary activity: Office administrative and support activities. Main place of business in Rakvere linn, Lääne-Viru maakond.

Data · 7 sourcese-Business Register · 4 min agoMTA
e-Business Register ↗
Revenue 2026
14k €
▼ 45% vs 2024
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
800 €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 20 h ago
ÕS
Õnnela Seinamets
Born 1981 · 45 y · board member since 21.03.2023
Board member

Founders

e-Business Register · 20 h ago
ÕS
Õnnela Seinamets
Born 1981 · 45 y · founder since 20.03.2023
Founder · 265 €

Shareholders

e-Business Register · 20 h ago
ÕS
Õnnela Seinamets
Born 1981 · 45 y · shareholder since 02.09.2023
Shareholder 100% · 265 €

Beneficial owners

e-Business Register · 20 h ago
ÕS
Õnnela Seinamets
Born 1981 · 45 y · ultimate beneficial owner since 21.03.2023
Ultimate beneficial owner

Subsidiaries

e-Business Register · shareholders · 20 h ago

Calendos OÜ is a shareholder or officer in 1 more company.

Event Assistance OÜ
Shareholder 100%

Annual reports (3)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2025
14k €
↘ -44.8% vs 2024
Employees 2025
0
↘ -100.0% vs 2024
YearRevenueProfitEquityAssetsEmployees

Taxes and employees

Estonian Tax and Customs Board · 10.04.2026 as of
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026—406 €394 €–
2025—1947 €2065 €–
2024—1535 €1635 €1
Quarterly breakdown
Year

Tech stack

Tehnoloogiad
Mobile carrier
+372 55593212Elisa Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
21.01.2026ReportEsitati 2025. aasta aruanne— Käive 13 710 €
2025
25.02.2025ReportEsitati 2024. aasta aruanne— Käive 24 837 €

Connected companies

Same-person ties · e-Business Register

Calendos OÜ is connected to 1 other company through 1 person who hold a role here and elsewhere. The strongest tie runs through Õnnela Seinamets (1 company).

Total connections
1
via 1 person
Connecting people
1
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Õnnela
1 company
Via personÕnnela Seinamets
202513 710 €3647 €15k €16k €021.01.2026
202424 837 €6226 €11k €19k €125.02.2025
20236460 €5254 €5k €5k €028.02.2024
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
Q1
Q2
Q3
Q4
Revenue 2026––––
State taxes 2026406 €–––
Taxes on workforce 2026394 €–––
Employees 2026––––
Revenue 2025––––
State taxes 20251k €575 €267 €–
Taxes on workforce 20251k €613 €279 €–
Employees 2025––––
Revenue 2024––––
State taxes 2024––534 €1k €
Taxes on workforce 2024––570 €1k €
Employees 2024–111
1
ÕS
Õnnela Seinamets
board member, founder, shareholder 100%, ultimate beneficial owner
1 other company›
CompanyRoleReg. code
Event Assistance OÜ
Board memberUltimate beneficial owner
14628564