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Search›Companies›Osaühing Siren Group
10814637ActivePrivate limited company

Osaühing Siren Group

Harju maakond, Tallinn, Kristiine linnaosa, Järve tn 31-16·EMTAK 62201 — Computer consultancy activities·24+ years
Andmed · ···
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Overview

e-Business Register · 1 d ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
20.11.2001e-Business Register
Address
Järve tn 31-16, Kristiine linnaosa, Tallinn, 11314 Harju maakondADS · e-Business Register
E-mail address
ehaavandi@gmail.come-Business Register
Telephone
+372 5119774· Elisa Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 62201 - Computer consultancy activitiese-Business Register · ETCB
Share capital
2556,00 €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
  • Activity licences
  • Recent registrations

Data

  • 79 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • FAQ
  • For journalists
  • Donate
  • Donation terms
  • Refunds
  • Terms
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  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Revenue
136 500 €
▲ 1881% vs 2024
Employees
–
2025 annual report
Taxes paid
–
Tax debt
0 €
As of 10.08.2026 (MTA)

Registered 20. november 2001, primary activity: Computer consultancy activities. Main place of business in Kristiine linnaosa, Tallinn, Harju maakond.

Data · 5 sourcese-Business Register · 1 min ago
e-Business Register ↗
Revenue
137k €
▲ 1881% vs 2024
Employees
–
2025 annual report
Taxes paid
–
Tax debt
€0
As of 10.08.2026 (MTA)

Officers

e-Business Register · 1 d ago
EH
Ele Haavandi
Born 1974 · 52 y · board member since 12.03.2002
Board member

Founders

e-Business Register · 1 d ago
OE
OÜ Ermitex InvesteeringudLEGAL PERSON
Legal person · 10616506 · founder since 20.11.2001
Founder

Shareholders

e-Business Register · 1 d ago
EH
Ele Haavandi
Born 1974 · 52 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Annual reports (7)

e-Business Register · annual reports · 6 päeva tagasi
Revenue 2025
137k €
↗ +1881% vs 2024
Employees 2025
0
YearRevenueProfitEquityAssetsEmployees

Tech stack

Tehnoloogiad
Mobile carrier
+372 5119774Elisa Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
30.06.2026ReportEsitati 2025. aasta aruanne— Käive 136 500 €
2025
29.04.2025ReportEsitati 2024. aasta aruanne— Käive 6890 €

Connected companies

Same-person ties · e-Business Register

Osaühing Siren Group is connected to 11 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Ele Haavandi (11 companies).

Total connections
11
via 1 person
Connecting people
1
Active here
Distinct roles
2
Board member · Shareholder
Strongest tie
Ele
11 companies
Via personEle Haavandi
2025136 500 €106 861 €120k €120k €030.06.2026
20246890 €−674 €13k €13k €029.04.2025
20239880 €256 €14k €14k €022.05.2024
202214 600 €10 360 €14k €14k €029.06.2023
20214280 €98 €3k €3k €030.06.2022
20203620 €102 €3k €3k €007.06.2021
20193525 €37 €3k €3k €013.06.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
11
EH
Ele Haavandi
board member, shareholder 100%
11 other companies›
CompanyRoleReg. code
Cuvier OÜ
Board memberFounderShareholder 100%
14980967
Kross-Eyed Productions OÜ
Procurator
12243957
Kõue mõis OÜ
Procurator
11246431
Lapin OÜ
Shareholder 69%FounderBoard member
14981272
Mittetulundusühing Aino Lepa Ajaloopreemia Pärnumaa Noortele
Board member
80329961
Mittetulundusühing Kau Akadeemia
Board member
80057103
OÜ Trustcorp
Procurator
10751150
Tallinn, Järve tn 31 korteriühistu
Board member
80056196
Tambourine OÜ
Board member
14441877
TC Jugiter OÜ
Procurator
11147143
Tornikohvik OÜ
Founder
16483377

Analysis · 2025

computed from annual reports
Revenue137k €median 36k €3.8× the sector median
Net margin78.3%median 22.1%+56.2 pp vs sector median
Revenue change1,881.1%median 2.3%+1,878.8 pp vs sector median
Equity ratio100.0%
Compared with2024revenue 7k €

Peer group: Arvutialased konsultatsioonid, 2,128 trading companies that filed a report in the last three years.

Founded 2001. That year 2,378 osaühing were registered; 2,299 are still trading, or 96.7%.