ContactTerms
ET/EN/RU
EN
EestiEnglishРусский
nimistuEstonia'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
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
ContactTerms
ET/EN/RU
EN
EestiEnglishРусский
nimistu
Search›Companies›Alumni OÜ
11343625ActivePrivate limited companyEE101150257 · VAT-registered

Alumni OÜ

Harju maakond, Tallinn, Põhja-Tallinna linnaosa, Vana-Kalamaja tn 22-3·EMTAK 71129 — Other engineering-technical activities·19+ years
Andmed · ···
On this page
SanctionsOverviewOfficersShareholdersFoundersOther rolesForeign parentSubsidiariesFinancialsTax filingsPledgesPledges as creditorLicencesNoticesTech stackCourt rulingsTVK decisionsBlacklistLabour inspectorateHazardous facilityDPA decisionsTax-deductibleEU lobby registerTrademarksPatentsReal estateVehiclesGrantsProcurementsDocumentsState paymentsActivityConnected companies
Extension

Right in search

nimistu card above Google, Bing and DuckDuckGo results.

Chrome→Firefox→Edge→
Free · ~14 KB
See the extension →

Overview

e-Business Register · 2 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
30.01.2007e-Business Register
Address
Vana-Kalamaja tn 22-3, Põhja-Tallinna linnaosa, Tallinn, 10414 Harju maakondADS · e-Business Register
E-mail address
hannes.tarn@gmail.come-Business Register
Telephone
+372 56359511· Tele2 Eesti Aktsiaseltse-Business Register · TTJA NBA
Principal activity
EMTAK 71129 - Other engineering-technical activitiese-Business Register · ETCB
VAT number
ETCB · VAT-registered
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
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details

Registered 30. jaanuar 2007, primary activity: Other engineering-technical activities. Main place of business in Põhja-Tallinna linnaosa, Tallinn, Harju maakond.

Data · 6 sourcese-Business Register · 8 min agoMTA
e-Business Register ↗
Revenue 2026 II kv
0 €
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
14 €
State + labour taxes · 2026 I kv
Tax debt
0 €
As of 10.08.2026 (MTA)
Revenue 2026 (I-II kv)
1k €
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
14 €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 10.08.2026 (MTA)

Officers

e-Business Register · 2 h ago
HT
Hannes Tarn
Born 1971 · 54 y · board member since 12.02.2007
Board member

Founders

e-Business Register · 2 h ago
OA
OÜ Altius ConsultFOREIGN
Foreign / not in register · founder since 30.01.2007
Founder

Shareholders

e-Business Register · 2 h ago
HT
Hannes Tarn
Born 1971 · 54 y · shareholder since 01.09.2023
Shareholder 100%

Subsidiaries

e-Business Register · shareholders · 2 h ago

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

Remass OÜ
FounderShareholder 50%

Annual reports (7)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2025
1k €
State taxes 2024
3k €
↘ -57.2% vs 2023
Employees 2025
0
↘ -100.0% vs 2024
YearRevenueProfitEquity

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
20k €10k €0

Tech stack

Tehnoloogiad
Mobile carrier
+372 56359511Tele2 Eesti Aktsiaselts

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
25.05.2026ReportEsitati 2025. aasta aruanne— Käive 1200 €
2025
14.05.2025ReportEsitati 2024. aasta aruanne— Käive 0 €

Connected companies

Same-person ties · e-Business Register

Alumni OÜ is connected to 7 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Hannes Tarn (7 companies).

Total connections
7
via 1 person
Connecting people
1
Active here
Distinct roles
2
Board member · Shareholder
Strongest tie
Hannes
7 companies
Via personHannes Tarn
Assets
Employees
20251200 €−1469 €1k €1k €025.05.2026
20240 €−18 359 €1k €2k €114.05.2025
202315 015 €−6103 €-3k €13k €102.06.2024
202226 681 €2434 €3k €29k €131.05.2023
202144 100 €17 210 €11k €12k €130.06.2022
202077 080 €23 129 €17k €20k €005.05.2021
201993 208 €21 334 €16k €20k €005.05.2021
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)
2026I-II Q1200 €14 €0 €–
20250 €876 €946 €1
20240 €3016 €3224 €1
202333 865 €7051 €3458 €1
20227831 €5688 €4295 €1
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20261k €0 €––
State taxes 202614 €–––
Taxes on workforce 20260 €–––
Employees 2026––––
Revenue 20250 €0 €0 €0 €
State taxes 2025807 €69 €––
Taxes on workforce 2025863 €83 €––
Employees 20251–––
Revenue 20240 €0 €0 €0 €
State taxes 2024754 €754 €754 €754 €
Taxes on workforce 2024806 €806 €806 €806 €
Employees 20241111
Revenue 202319k €0 €15k €0 €
State taxes 20233k €753 €3k €753 €
Taxes on workforce 20231k €806 €806 €806 €
Employees 20231111
Revenue 20227k €0 €0 €596 €
State taxes 20222k €2k €1k €591 €
Taxes on workforce 20221k €1k €2k €519 €
Employees 20222321
7
HT
Hannes Tarn
board member, shareholder 100%
7 other companies›
CompanyRoleReg. code
FEDI OÜ
Shareholder 32%Board member
11696753
Fiskostar Kodu OÜ
Founder
11511133
Kristlaste Ühenduse Tallinna kogudus
Board member
80221689
Remass OÜ
Board member
17461685
Sharkbac OÜ
Board memberFounderShareholder 25%
14536498
Thap OÜ
Board memberFounderShareholder 100%
14596373
Thule Trade OÜ
Shareholder 77%Board memberFounder
11588217

Analysis · 2025

computed from annual reports
Revenue1k €median 31k €4% of the sector median
Net margin-122.4%median 19.6%-142.0 pp vs sector median
Equity ratio98.9%
Current ratio90.33
Labour cost of revenue216.9%
Compared with2024revenue 0 €

Peer group: Muud insener-tehnilised tegevusalad, 698 trading companies that filed a report in the last three years.

Founded 2007. That year 5,023 osaühing were registered; 4,874 are still trading, or 97.0%.