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Search›Companies›Carolus OÜ
14333366ActivePrivate limited company

Carolus OÜ

Harju maakond, Kose vald, Kose alevik, Valga tn 2/2-5·EMTAK 74991 — All other professional, scientific and technical activities n.e.c.·8+ years
Andmed · ···
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Overview

e-Business Register · 12 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
15.09.2017e-Business Register
Address
Valga tn 2/2-5, Kose alevik, Kose vald, 75101 Harju maakondADS · e-Business Register
E-mail address
karel@carolus.eee-Business Register
Telephone
+372 53340244· Elisa Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 74991 - All other professional, scientific and technical activities n.e.c.e-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 2026
36 547 €
▼ 2% vs 2023
As of 10.04.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
2076 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)

Registered 15. september 2017, primary activity: All other professional, scientific and technical activities n.e.c.. Main place of business in Kose alevik, Kose vald, Harju maakond.

Data · 7 sourcese-Business Register · 6 min agoMTA
e-Business Register ↗
Revenue 2026
37k €
▼ 2% vs 2023
As of 10.04.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
2k €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 12 h ago
KK
Karel Kõiv
Born 1991 · 34 y · board member since 15.09.2017
Board member

Founders

e-Business Register · 12 h ago
KK
Karel Kõiv
Born 1991 · 34 y · founder since 12.09.2017
Founder · 3k €

Shareholders

e-Business Register · 12 h ago
KK
Karel Kõiv
Born 1991 · 34 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Beneficial owners

e-Business Register · 12 h ago
KK
Karel Kõiv
Born 1991 · 34 y · ultimate beneficial owner since 31.08.2018
Ultimate beneficial owner

Subsidiaries

e-Business Register · shareholders · 12 h ago

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

Pro Laspi OÜ
Shareholder 26%

Annual reports (6)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
37k €
↘ -2.4% vs 2023
State taxes 2025
4k €
↗ +44.1% vs 2024
Employees 2024
1
0.0% vs 2023
YearRevenueProfit

Taxes and employees

Estonian Tax and Customs Board · 10.04.2026 as of
5k €3k €0

Tech stack

Tehnoloogiad
Mobile carrier
+372 53340244Elisa Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 36 547 €
2024
30.06.2024ReportEsitati 2023. aasta aruanne— Käive 37 451 €

Connected companies

Same-person ties · e-Business Register

Carolus OÜ is connected to 2 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Karel Kõiv (2 companies).

Total connections
2
via 1 person
Connecting people
1
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Karel
2 companies
Via personKarel Kõiv
Equity
Assets
Employees
202436 547 €370 €32k €47k €130.06.2025
202337 451 €26 692 €32k €48k €130.06.2024
202233 220 €3154 €5k €7k €106.07.2023
20217080 €1568 €4k €7k €102.07.2022
2020–10 €3k €3k €005.07.2021
2019–111 €3k €3k €031.10.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026—1006 €1070 €1
2025—4068 €4323 €1
2024—2824 €3001 €1
2023—8829 €9263 €1
2022—6132 €6086 €1
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2026––––
State taxes 20261k €–––
Taxes on workforce 20261k €–––
Employees 20261–––
Revenue 2025––––
State taxes 2025999 €1k €1k €1k €
Taxes on workforce 20251k €1k €1k €1k €
Employees 20251111
Revenue 2024––––
State taxes 2024918 €951 €4 €951 €
Taxes on workforce 2024977 €1k €0 €1k €
Employees 20241–11
Revenue 2023––––
State taxes 20233k €3k €2k €851 €
Taxes on workforce 20233k €3k €2k €907 €
Employees 20231111
Revenue 2022––––
State taxes 2022705 €734 €2k €3k €
Taxes on workforce 2022751 €781 €2k €3k €
Employees 20221111
2
KK
Karel Kõiv
board member, founder, shareholder 100%, ultimate beneficial owner
2 other companies›
CompanyRoleReg. code
Millennium Invest OÜ
Board memberShareholder 40%FounderUltimate beneficial owner
14433346
Pro Laspi OÜ
Ultimate beneficial ownerShareholder 4%Board member
10410644