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Search›Companies›Kosan OÜ
12623634ActivePrivate limited company

Kosan OÜ

Harju maakond, Tallinn, Pirita linnaosa, Ida tee 39b·EMTAK 68201 — Rental and operating of own or leased real estate·12+ years
Andmed · ···
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Overview

e-Business Register · 9 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
05.03.2014e-Business Register
Address
Ida tee 39b, Pirita linnaosa, Tallinn, 12111 Harju maakondADS · e-Business Register
E-mail address
tea.kauna@gmail.come-Business Register
Telephone
+372 5145285· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 68201 - Rental and operating of own or leased 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 2023
0 €
▼ NaN% vs 2023
As of 10.04.2026 (MTA)
Employees
–
2023 (MTA)
Taxes paid
1280 €
State + labour taxes · 2023 (I-III kv)
Tax debt
0 €
As of 25.06.2026 (MTA)

Registered 5. märts 2014, primary activity: Rental and operating of own or leased real estate. Main place of business in Pirita linnaosa, Tallinn, Harju maakond.

Data · 7 sourcese-Business Register · 3 min agoMTA
e-Business Register ↗
Revenue 2023
0 €
▼ NaN% vs 2023
As of 10.04.2026 (MTA)
Employees
–
2023 (MTA)
Taxes paid
1k €
State + labour taxes · 2023 (I-III kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers (2)

e-Business Register · 9 h ago
OO
Olev Ostra
Born 1983 · 43 y · board member since 05.03.2014
Board member
TO
Tea Ostra
Born 1986 · 39 y · board member since 05.03.2014
Board member

Founders (2)

e-Business Register · 9 h ago
OO
Olev Ostra
Born 1983 · 43 y · founder since 05.03.2014
Founder · 1k €
TO
Tea Ostra
Born 1986 · 39 y · founder since 05.03.2014
Founder · 1k €

Shareholders

e-Business Register · 9 h ago
OO
Olev Ostra
Born 1983 · 43 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Beneficial owners (2)

e-Business Register · 9 h ago
TO
Tea Ostra
Born 1986 · 39 y · ultimate beneficial owner since 31.10.2018
Ultimate beneficial owner
OO
Olev Ostra
Born 1983 · 43 y · ultimate beneficial owner since 31.10.2018
Ultimate beneficial owner

Annual reports (6)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
0 €
Employees 2024
0
YearRevenueProfitEquityAssetsEmployees
2024

Taxes and employees

Estonian Tax and Customs Board · 10.04.2026 as of
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2023—1118 €162 €–
2022—2115 €0 €–
Quarterly breakdown
YearQ1Q2Q3

Tech stack

Tehnoloogiad
Mobile carrier
+372 5145285Telia Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
04.01.2026ReportEsitati 2024. aasta aruanne— Käive 0 €
2024
13.11.2024ReportEsitati 2023. aasta aruanne— Käive 0 €
02.09.2024FilingHoiatusmäärus registrist kustutamiseks: majandusaasta aruanne esitamata— Ä 10193554 / M4 · Olek: Puudused kõrvaldatud
10.07.2024FilingHoiatusmäärus registrist kustutamiseks: majandusaasta aruanne esitamata— Ä 10193554 / M3 · Olek: Puudused kõrvaldatud

Connected companies

Same-person ties · e-Business Register

Kosan OÜ is connected to 6 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Olev Ostra (6 companies).

Total connections
6
via 1 person
Connecting people
1
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Olev
6 companies
Via personOlev Ostra
0 €
0 €
34k €
36k €
0
04.01.2026
20230 €0 €36k €36k €013.11.2024
202224 200 €20 889 €36k €36k €019.07.2023
202124 550 €24 550 €25k €25k €009.09.2022
20200 €0 €0 €0 €019.12.2021
20190 €0 €0 €0 €004.11.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
Q4
Revenue 2023––––
State taxes 20231k €–1 €–
Taxes on workforce 2023162 €–0 €–
Employees 2023––––
Revenue 2022––––
State taxes 2022––675 €1k €
Taxes on workforce 2022––0 €0 €
Employees 2022––––
6
OO
Olev Ostra
board member, founder, shareholder 100%, ultimate beneficial owner
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12982480
Melost OÜ
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12037675
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16320638
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14132604
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Board member
80027852