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›Onlinekool OÜ
12030762ActivePrivate limited company

Onlinekool OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Kiisa tn 8·EMTAK 8559 — Other education n.e.c.·15+ 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 · 7 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
17.12.2010e-Business Register
Address
Kiisa tn 8, Kesklinna linnaosa, Tallinn, 11313 Harju maakondADS · e-Business Register
E-mail address
info@onlinekool.eee-Business Register
Principal activity
EMTAK 8559 - Other education n.e.c.e-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
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Revenue 2026
39 787 €
▲ 31% vs 2023
As of 10.04.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
568 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)

Registered 17. detsember 2010, primary activity: Other education n.e.c.. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Data · 9 sourcese-Business Register · 3 min agoMTARTKEHIS
e-Business Register ↗
Revenue 2026
40k €
▲ 31% vs 2023
As of 10.04.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
568 €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 7 h ago
AS
Anna Safonova
Born 1977 · 48 y · board member since 20.04.2023
Board member

Founders (2)

e-Business Register · 7 h ago
DT
Deniss Tsõro
Born 1973 · 53 y · founder since 17.12.2010
Founder · 1k €
IO
Irina Odnolko
Born 1959 · 66 y · founder since 17.12.2010
Founder · 1k €

Shareholders (2)

e-Business Register · 7 h ago
DT
Deniss Tsõro
Born 1973 · 53 y · shareholder since 10.06.2026
Shareholder 70% · 2k €
SK
Svetlana Kinstler
· shareholder since 11.06.2026
Shareholder 30% · 750 €

Beneficial owners (2)

e-Business Register · 7 h ago
DT
Deniss Tsõro
Born 1973 · 53 y · ultimate beneficial owner since 08.06.2026
Ultimate beneficial owner
SK
Svetlana Kinstler
· ultimate beneficial owner since 11.06.2026
Ultimate beneficial owner

Annual reports (6)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
40k €
↗ +31.5% vs 2023
Employees 2024
1
0.0% vs 2023
YearRevenueProfitEquityAssetsEmployees

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026–278 €290 €1
2024–2691 €2863 €1
2023I Q0 €23 €0 €1
20220 €236 €

Licences (1)

EHIS · 6 h tagasi
Active licences
1
Eesti keele tasemeeksami koolituse tegevusluba1
Oldest · Newest
2018→2018
Oldest licenceEesti keele tasemeeksami koolituse tegevusluba · 22.10.2018
Active1 / 1
Eesti keele tasemeeksami koolituse tegevuslubaEHIS
3 licences1 school typesfrom 22.10.2018
Active
täienduskoolitusasutus

State-sector payments (11 · 19k €)

RTK Makseandmik · 15.05.2026
Transactions
11
2024–2025 · 2 years
Total amount
19k €
avg 2k €
Buyers
1
State and municipal bodies
Latest
09.01.2025
2k € · Tallinna Linnamäe Lasteaed

2025: 2k € · 2024: 17k €

20251 transaction · 2k €
09.012025
Tallinna Linnamäe Lasteaed75017099

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
11.06.2026OfficerSai osanikuks— Svetlana Kinstler · · 30 %
11.06.2026OfficerLisati tegelikuks kasusaajaks— Svetlana Kinstler
11.06.2026FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 40031527 / 15 · Olek: Jõustunud
  • Kanne nr 15 · kanne
10.06.2026

Connected companies

Same-person ties · e-Business Register

Onlinekool OÜ is connected to 25 other companies through 3 people who hold a role here and elsewhere. The strongest tie runs through Deniss Tsõro (21 companies).

Total connections
25
via 3 people
Connecting people
3
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Deniss
21 companies
Via personDeniss Tsõro
202439 787 €−2441 €3k €4k €130.06.2025
202330 260 €2441 €5k €6k €126.04.2024
20220 €0 €3k €3k €027.06.2023
20210 €−17 991 €3k €3k €030.06.2022
202017 733 €6832 €20k €21k €230.06.2021
2019149 752 €10 799 €14k €30k €530.10.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
0 €
–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2026––––
State taxes 2026278 €–––
Taxes on workforce 2026290 €–––
Employees 20261–––
Revenue 2024––––
State taxes 2024734 €734 €734 €489 €
Taxes on workforce 2024781 €781 €781 €520 €
Employees 2024111–
Revenue 20230 €–––
State taxes 2023–––23 €
Taxes on workforce 2023–––0 €
Employees 2023–––1
Revenue 20220 €0 €0 €0 €
State taxes 2022234 €––2 €
Taxes on workforce 20220 €––0 €
Employees 2022––––
× 3
MAJANDAMISKULUD
·
Alusharidus
1512 €
20244 transactions · 7k €
10.122024
Tallinna Linnamäe Lasteaed75017099
MAJANDAMISKULUD · Alusharidus
1596 €
08.112024
Tallinna Linnamäe Lasteaed75017099
MAJANDAMISKULUD · Alusharidus
2016 €
10.102024
Tallinna Linnamäe Lasteaed75017099
MAJANDAMISKULUD · Alusharidus
2016 €
10.092024
Tallinna Linnamäe Lasteaed75017099
MAJANDAMISKULUD · Alusharidus
1680 €
Show remaining 6 transactions+
20246 transactions · 10k €
10.072024
Tallinna Linnamäe Lasteaed75017099
MAJANDAMISKULUD · Alusharidus
1680 €
10.062024
Tallinna Linnamäe Lasteaed75017099
MAJANDAMISKULUD · Alusharidus
2520 €
10.052024
Tallinna Linnamäe Lasteaed75017099
MAJANDAMISKULUD · Alusharidus
2205 €
10.042024
Tallinna Linnamäe Lasteaed75017099
MAJANDAMISKULUD · Alusharidus
1470 €
12.032024
Tallinna Linnamäe Lasteaed75017099
MAJANDAMISKULUD · Alusharidus
1680 €
23.022024
Tallinna Linnamäe Lasteaed75017099
MAJANDAMISKULUD · Alusharidus
420 €
OfficerSai osanikuks— Deniss Tsõro · · 70 %
10.06.2026FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 40031527 / 14 · Olek: Jõustunud
  • Kanne nr 14 · kanne
08.06.2026OfficerLisati tegelikuks kasusaajaks— Deniss Tsõro
2025
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 39 787 €
21
Anna Safonova3
Irina Odnolko1
DT
Deniss Tsõro
founder, shareholder 70%, ultimate beneficial owner
21 other companies›
CompanyRoleReg. code
AkoolitusB OÜ
Founder
11434227
Ankor e-koolitus OÜ
Ultimate beneficial ownerShareholder 100%Board member
14805635
Avasedu OÜ
Board member
17341515
Avatud Koolitus OÜ
Founder
12087414
Crypto D.A.T Company OÜ
FounderShareholder 50%Board memberUltimate beneficial owner
14707312
GlobalCoreAI OÜ
Board memberShareholder 50%FounderUltimate beneficial owner
12611714
Koolituskeskus Intensiivne OÜ
Shareholder 70%FounderUltimate beneficial owner
14855194
Lessonschool OÜ
Board memberShareholder 70%FounderUltimate beneficial owner
14855277
Mittetulundusühing G-Global Development Community
Board memberUltimate beneficial owner
80363863
Mittetulundusühing Oskus ja Kogemus
Founder
80265103
Mittetulundusühing Otsuseotsija
Board memberFounderUltimate beneficial owner
80313888
Mittetulundusühing Salamoia
Board memberFounderUltimate beneficial owner
80553635
MTÜ Silk Road and Hanseatic League Association
Board memberUltimate beneficial owner
80552009
Only School OÜ
Founder
14854622
Osaühing HRUSTEK
Founder
11190481
OÜ DATE School
Ultimate beneficial ownerBoard memberFounder
11719444
… and 5 more · see on the person page ↗
AS
Anna Safonova
board member
3 other companies›
CompanyRoleReg. code
IMASOVA OÜ
Board memberShareholder 100%FounderUltimate beneficial owner
17413947
Kohtla-Järve linn, Kalevi tn 16 korteriühistu
Board member
IO
Irina Odnolko
founder
1 other company›
CompanyRoleReg. code
Narva linn, A. Puškini tn 15 korteriühistu
Board member
80128553
80152729
Sotsiaalprojekt OÜ
Board member
11968420