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Search›Companies›OÜ Rosenbaum
11613639ActivePrivate limited company

OÜ Rosenbaum

Harju maakond, Tallinn, Lasnamäe linnaosa, Majaka tn 33-43·EMTAK 85599 — Other education n.e.c.·17+ years
Andmed · ···
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Overview

e-Business Register · 6 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
23.03.2009e-Business Register
Address
Majaka tn 33-43, Lasnamäe linnaosa, Tallinn, 11416 Harju maakondADS · e-Business Register
E-mail address
rosenbaum.oy@gmail.come-Business Register
Telephone
+372 5112244· Elisa Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 85599 - Other education n.e.c.e-Business Register · ETCB
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
  • Activity licences
  • Recent registrations

Data

  • 78 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • FAQ
  • For journalists
  • Donate
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Revenue
4418 €
▼ 26% vs 2024
Employees
–
2025 annual report
Taxes paid
–
Tax debt
0 €
As of 09.11.2026 (MTA)

Registered 23. märts 2009, primary activity: Other education n.e.c.. Main place of business in Lasnamäe linnaosa, Tallinn, Harju maakond.

Data · 6 sourcese-Business Register · 8 min agoRTK
e-Business Register ↗
Revenue
4k €
▼ 26% vs 2024
Employees
–
2025 annual report
Taxes paid
–
Tax debt
€0
As of 09.11.2026 (MTA)

Officers

e-Business Register · 6 h ago
HK
Helna Karu
Born 1972 · 54 y · board member since 26.10.2020
Board member

Founders (2)

e-Business Register · 6 h ago
KN
Kätlin Nurmsalu
· founder since 23.03.2009
Founder
OA
Osaühing Adler InvestLEGAL PERSON
Legal person · 11220839 · founder since 23.03.2009
Founder

Shareholders

e-Business Register · 6 h ago
HK
Helna Karu
Born 1972 · 54 y · shareholder since 02.09.2023
Shareholder 100%

Annual reports (7)

e-Business Register · annual reports · 8 h tagasi
Revenue 2025
4k €
↘ -26.4% vs 2024
Employees 2025
1
0.0% vs 2024
YearRevenueProfitEquityAssetsEmployees

Tech stack

Tehnoloogiad
Mobile carrier
+372 5112244Elisa Eesti AS

State-sector payments (4 · 12k €)

RTK Makseandmik · 15.05.2026
Transactions
4
2024–2025 · 2 years
Total amount
12k €
avg 3k €
Buyers
2
State and municipal bodies
Latest
30.06.2025
4k € · Tallinna Teeninduskool

2025: 4k € · 2024: 7k €

BuyerTxAmountShare
Tallinna Teeninduskool
70004637
3

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
29.06.2026ReportEsitati 2025. aasta aruanne— Käive 4418 €
2025
01.07.2025ReportEsitati 2024. aasta aruanne— Käive 5999 €

Connected companies

Same-person ties · e-Business Register

OÜ Rosenbaum is connected to 3 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Kätlin Nurmsalu (2 companies).

Total connections
3
via 2 people
Connecting people
2
Active here
Distinct roles
3
Board member · Shareholder
Strongest tie
Kätlin
2 companies
Via personKätlin Nurmsalu
20254418 €−113 €11k €11k €129.06.2026
20245999 €2642 €12k €12k €101.07.2025
20236486 €−551 €9k €9k €108.07.2024
20226166 €299 €9k €9k €125.07.2023
20211451 €−1257 €9k €9k €104.10.2022
20206599 €1839 €10k €10k €131.08.2021
20194101 €1889 €9k €9k €125.10.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
10k €
Haridus- ja Noorteamet
77001292
1
1k €
20251 transaction · 4k €
30.062025
Tallinna Teeninduskool70004637
MAJANDAMISKULUD · Kutsehariduse õpetajate tööjõukulud
4418 €
20243 transactions · 7k €
30.122024
Tallinna Teeninduskool70004637
MAJANDAMISKULUD · Kutsehariduse õpetajate tööjõukulud
3002 €
05.072024
Tallinna Teeninduskool70004637
MAJANDAMISKULUD · Kutsehariduse õpetajate tööjõukulud
2997 €
17.042024
Haridus- ja Noorteamet77001292
MUUD TOETUSED · Muu haridus, sh hariduse haldus
1330 €
2
Helna Karu1
KN
Kätlin Nurmsalu
founder
2 other companies›
CompanyRoleReg. code
Mittetulundusühing Eesti Võlanõustajate Liit
Founder
80329501
Tallinn, Paldiski mnt 38b korteriühistu
Founder
80264948
HK
Helna Karu
board member, shareholder 100%
1 other company›
CompanyRoleReg. code
Mittetulundusühing Oska Koolituskeskus
Founder
80338405

Analysis · 2025

computed from annual reports
Revenue4k €median 11k €39% of the sector median
Net margin-2.6%median 12.6%-15.1 pp vs sector median
Revenue per employee4k €median 30k €15% of the sector median
Revenue change-26.4%median 0.9%-27.3 pp vs sector median
Equity ratio100.0%
Labour cost of revenue0.0%
Profit per employee−113 €
Compared with2024revenue 6k €

Peer group: Muu mujal liigitamata õpe, 2,088 trading companies that filed a report in the last three years.

Founded 2009. That year 5,424 osaühing were registered; 5,246 are still trading, or 96.7%.