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Search›Companies›Decolum OÜ
16322527ActivePrivate limited company

Decolum OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Pärnu mnt 137·EMTAK 4339 — Building completion and finishing·4+ years
Andmed · ···
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Overview

e-Business Register · 15 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
22.09.2021e-Business Register
Address
Pärnu mnt 137, Kesklinna linnaosa, Tallinn, 11314 Harju maakondADS · e-Business Register
E-mail address
info@decolum.eee-Business Register
Principal activity
EMTAK 4339 - Building completion and finishinge-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
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  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Revenue 2022
12 945 €
▼ 77% vs 2022
As of 10.04.2026 (MTA)
Employees
2
2022 (MTA)
Taxes paid
9582 €
State + labour taxes · 2022
Tax debt
0 €
As of 26.06.2026 (MTA)

Registered 22. september 2021, primary activity: Building completion and finishing. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Data · 10 sourcese-Business Register · 4 min agoMTARTKWeb tech scanEesti Internet
e-Business Register ↗
Revenue 2022
13k €
▼ 77% vs 2022
As of 10.04.2026 (MTA)
Employees
2
2022 (MTA)
Taxes paid
10k €
State + labour taxes · 2022
Tax debt
€0
As of 26.06.2026 (MTA)

Officers

e-Business Register · 15 h ago
KK
Kristjan Klaassen
Born 2000 · 26 y · board member since 22.09.2021
Board member

Founders

e-Business Register · 15 h ago
KK
Kristjan Klaassen
Born 2000 · 26 y · founder since 21.09.2021
Founder · 3k €

Shareholders

e-Business Register · 15 h ago
KK
Kristjan Klaassen
Born 2000 · 26 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Beneficial owners

e-Business Register · 15 h ago
KK
Kristjan Klaassen
Born 2000 · 26 y · ultimate beneficial owner since 22.09.2021
Ultimate beneficial owner

Annual reports (2)

e-Business Register · annual reports · 6 päeva tagasi
Revenue 2023
13k €
↘ -77.1% vs 2022
Employees 2023
0
↘ -100.0% vs 2022
YearRevenueProfitEquityAssetsEmployees

Taxes and employees

Estonian Tax and Customs Board · 10.04.2026 as of
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2022—4526 €5056 €2
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2022–

Tech stack

Website analysis · 3 päeva tagasi
Domains (1)
decolum.ee
SPFDMARC
REGElkdata OÜ
SRCEIS WHOIS
Detected technologies
Web serverApache

State-sector payments (2 · 2k €)

RTK Makseandmik · 15.05.2026
Transactions
2
2024–2024 · 1 year
Total amount
2k €
avg 891,23 €
Buyers
1
State and municipal bodies
Latest
13.05.2024
462,05 € · Tallinna Ülikool
20242 transactions · 2k €
13.052024
Tallinna Ülikool74000122
MAJANDAMISKULUD · Teadus- ja arendustegevus hariduses

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
11.03.2026FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50183799 / 6 · Olek: Jõustunud
  • Kanne nr 6 · kanne
11.02.2026FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50183799 / 5 · Olek: Jõustunud
  • Kanne nr 5 · kanne
2025

Connected companies

Same-person ties · e-Business Register

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

Total connections
2
via 1 person
Connecting people
1
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Kristjan
2 companies
Via personKristjan Klaassen
202312 945 €9032 €39k €41k €001.07.2024
202256 536 €27 662 €30k €32k €628.06.2023
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
–
–
–
State taxes 20222k €2k €457 €0 €
Taxes on workforce 20222k €2k €514 €0 €
Employees 202242––
462 €
06.052024
Tallinna Ülikool74000122
MAJANDAMISKULUD · Kolmanda taseme haridus
1320 €
27.03.2025
FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50183799 / 4 · Olek: Jõustunud
  • Kanne nr 4 · kanne
2024
01.07.2024ReportEsitati 2023. aasta aruanne— Käive 12 945 €
2
KK
Kristjan Klaassen
board member, founder, shareholder 100%, ultimate beneficial owner
2 other companies›
CompanyRoleReg. code
Healthy Property OÜ
FounderUltimate beneficial ownerShareholder 100%Board member
17519918
OÜ Clenor
Board memberUltimate beneficial ownerShareholder 100%
17166733