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Search›Companies›Kõster OÜ
12318109ActivePrivate limited companyEE102688317 · VAT-registered

Kõster OÜ

Hiiu maakond, Hiiumaa vald, Kärdla linn, Aia põik 3·EMTAK 58291 — Other software publishing·13+ years
Andmed · ···
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Overview

e-Business Register · 5 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
19.07.2012e-Business Register
Address
Aia põik 3, Kärdla linn, Hiiumaa vald, 92411 Hiiu maakondADS · e-Business Register
E-mail address
jargo@koster.eee-Business Register
Telephone
+372 5266519· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 58291 - Other software publishinge-Business Register · ETCB
VAT number
ETCB · VAT-registered
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
Data · 7 sourcese-Business Register · 6 min agoMTA
e-Business Register ↗

Registered 19. juuli 2012, primary activity: Other software publishing. Main place of business in Kärdla linn, Hiiumaa vald, Hiiu maakond.

Revenue 2026 (I kv)
1000 €
▼ 90% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
846 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)
Revenue 2026 (I kv)
1k €
▼ 90% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
846 €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 5 h ago
JK
Jargo Kõster
Born 1981 · 44 y · board member since 19.07.2012
Board member

Founders

e-Business Register · 5 h ago
JK
Jargo Kõster
Born 1981 · 44 y · founder since 19.07.2012
Founder · 3k €

Shareholders

e-Business Register · 5 h ago
JK
Jargo Kõster
Born 1981 · 44 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Beneficial owners

e-Business Register · 5 h ago
JK
Jargo Kõster
Born 1981 · 44 y · ultimate beneficial owner since 17.09.2018
Ultimate beneficial owner

Annual reports (6)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
29k €
↗ +30.3% vs 2023
State taxes 2025
6k €
↗ +22.3% vs 2024
Employees 2024
1
YearRevenueProfitEquity

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
20k €10k €0

Tech stack

Tehnoloogiad
Mobile carrier
+372 5266519Telia Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
03.05.2025ReportEsitati 2024. aasta aruanne— Käive 29 296 €
2024
26.08.2024ReportEsitati 2023. aasta aruanne— Käive 22 483 €
09.07.2024FilingHoiatusmäärus registrist kustutamiseks: majandusaasta aruanne esitamata— Ä 20060883 / M1 · Olek: Puudused kõrvaldatud

Connected companies

Same-person ties · e-Business Register

Kõster OÜ is connected to 9 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Jargo Kõster (9 companies).

Total connections
9
via 1 person
Connecting people
1
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Jargo
9 companies
Via personJargo Kõster
Assets
Employees
202429 296 €16 608 €115k €149k €103.05.2025
202322 483 €21 129 €99k €129k €026.08.2024
20226780 €6768 €77k €107k €012.05.2023
202151 500 €51 448 €71k €101k €012.05.2023
202038 150 €38 062 €49k €49k €022.03.2022
20196000 €5987 €11k €11k €006.10.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
2023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q1000 €556 €290 €–
202515 836 €6147 €4173 €1
202428 496 €5027 €360 €1
2023––––
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20261k €–––
State taxes 2026556 €–––
Taxes on workforce 2026290 €–––
Employees 2026––––
Revenue 202510k €6k €0 €0 €
State taxes 20252k €2k €1k €731 €
Taxes on workforce 20251k €723 €1k €795 €
Employees 2025111–
Revenue 20247k €5k €9k €7k €
State taxes 20241k €858 €754 €2k €
Taxes on workforce 20240 €0 €0 €360 €
Employees 2024–––1
Revenue 2023––––
State taxes 2023––––
Taxes on workforce 2023––––
Employees 2023––––
9
JK
Jargo Kõster
board member, founder, shareholder 100%, ultimate beneficial owner
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