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
  • 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
ContactTerms
ET/EN/RU
EN
EestiEnglishРусский
nimistu
Search›Companies›Opetron OÜ
12476601ActivePrivate limited company

Opetron OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Tatari tn 25-707·EMTAK 69109 — Other legal activities·13+ years
Andmed · ···
On this page
SanctionsOverviewOfficersShareholdersFoundersBeneficial ownersOther rolesForeign parentSubsidiariesFinancialsTax filingsPledgesPledges as creditorLicencesNoticesTech stackCourt rulingsTVK decisionsBlacklistLabour inspectorateHazardous facilityDPA decisionsTax-deductibleEU lobby registerTrademarksPatentsReal estateVehiclesGrantsProcurementsState 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 · 13 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
22.05.2013e-Business Register
Address
Tatari tn 25-707, Kesklinna linnaosa, Tallinn, 10116 Harju maakondADS · e-Business Register
E-mail address
viljar.jaamu@gmail.come-Business Register
Principal activity
EMTAK 69109 - Other legal activitiese-Business Register · ETCB
Share capital
2500,00 €e-Business Register
LEI
254900KOAN11VZK3C726 · lapsed · issued 24.10.2017 · renewal overdue 1736dGLEIF
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
0 €
▼ 100% vs 2023
Employees
–
2024 annual report
Taxes paid
–
Tax debt
0 €
As of 25.06.2026 (MTA)

Registered 22. mai 2013, primary activity: Other legal activities. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Data · 7 sourcese-Business Register · 2 min agoGLEIF
e-Business Register ↗
Revenue
0 €
▼ 100% vs 2023
Employees
–
2024 annual report
Taxes paid
–
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 13 h ago
VJ
Viljar Jaamu
Born 1968 · 57 y · board member since 28.03.2022
Board member

Founders

e-Business Register · 13 h ago
VJ
Viljar Jaamu
Born 1968 · 57 y · founder since 21.05.2013
Founder · 3k €

Shareholders

e-Business Register · 13 h ago
OG
Octotron Grupp OÜLEGAL PERSON
Legal person · 14733893 · shareholder since 02.09.2023
Shareholder 100% · 3k €

Beneficial owners

e-Business Register · 13 h ago
VJ
Viljar Jaamu
Born 1968 · 57 y · ultimate beneficial owner since 24.10.2022
Ultimate beneficial owner

Subsidiaries

e-Business Register · shareholders · 13 h ago
Opetron OÜ12476601Shareholder 33%Cyber Planet OÜ14037478Shareholder 100%Opetron Kinnisvara OÜ12477032
Opetron OÜ is a shareholder or officer in 2 more companies.

Annual reports (6)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
0 €
↘ -100.0% vs 2023
Employees 2024
0
YearRevenueProfitEquityAssetsEmployees

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
01.07.2025ReportEsitati 2024. aasta aruanne— Käive 0 €
2024
03.07.2024ReportEsitati 2023. aasta aruanne— Käive 200 €

Connected companies

Same-person ties · e-Business Register

Opetron OÜ is connected to 15 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Viljar Jaamu (15 companies).

Total connections
15
via 1 person
Connecting people
1
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Viljar
15 companies
Via personViljar Jaamu
20240 €0 €34k €116k €001.07.2025
2023200 €12 €34k €107k €003.07.2024
2022200 €55 €34k €103k €030.06.2023
20210 €−145 €34k €103k €020.07.2022
20200 €−195 €34k €103k €014.06.2021
20190 €−407 539 €34k €103k €028.10.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
15
VJ
Viljar Jaamu
board member, founder, ultimate beneficial owner
15 other companies›
CompanyRoleReg. code
Cyber Planet OÜ
FounderUltimate beneficial owner
14037478
Ewerest Energia OÜ
Board memberUltimate beneficial owner
17416058
Ewerest Grupp OÜ
Board memberShareholder 100%FounderUltimate beneficial owner
17406373
Ewerest Tecnotec OÜ
Board memberUltimate beneficial owner
17418135
Glorya Autorent OÜ
Board memberUltimate beneficial owner
11018925
Mittetulundusühing Tallinn Finance
Founder
80335720
Octoinvest OÜ
Shareholder 100%Board memberFounderUltimate beneficial owner
17445829
Octotron Grupp OÜ
Shareholder 100%Board memberFounderUltimate beneficial owner
14733893
Octotron Hoiu-Laenuühistu
Ultimate beneficial owner
12526026
OJ INVEST GROUP OÜ
Shareholder 50%Board memberFounderUltimate beneficial owner
16896820
Opetron Capital OÜ
Shareholder 85%Board memberUltimate beneficial owner
12471101
Opetron Kinnisvara OÜ
Board memberUltimate beneficial owner
12477032
Osaühing Hansatee Kinnisvara
Founder
10305367
Osaühing Vara HTG
Founder
10235684
SKL Operaator OÜ
Shareholder 100%Ultimate beneficial ownerBoard member
10961999