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Search›Companies›OJ INVEST GROUP OÜ
16896820ActivePrivate limited company

OJ INVEST GROUP OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Tatari tn 25-707·EMTAK 70201 — Business and other management consultancy activities·2+ years
Andmed · ···
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Overview

e-Business Register · 14 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
11.01.2024e-Business Register
Address
Tatari tn 25-707, Kesklinna linnaosa, Tallinn, 10116 Harju maakondADS · e-Business Register
E-mail address
olga.jaamu@gmail.come-Business Register
Principal activity
EMTAK 70201 - Business and other management consultancy activitiese-Business Register · ETCB
Share capital
0,02 €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
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Revenue
0 €
Employees
–
2025 annual report
Taxes paid
–
Tax debt
0 €
As of 10.08.2026 (MTA)

Registered 11. jaanuar 2024, primary activity: Business and other management consultancy activities. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Data · 5 sourcese-Business Register · 7 min ago
e-Business Register ↗
Revenue
0 €
Employees
–
2025 annual report
Taxes paid
–
Tax debt
€0
As of 10.08.2026 (MTA)

Officers (2)

e-Business Register · 14 h ago
OT
Olga Tšernikova
Born 1988 · 37 y · board member since 11.01.2024
Board member
VJ
Viljar Jaamu
Born 1968 · 58 y · board member since 11.01.2024
Board member

Founders (2)

e-Business Register · 14 h ago
OT
Olga Tšernikova
Born 1988 · 37 y · founder since 11.01.2024
Founder · 0,01 €
VJ
Viljar Jaamu
Born 1968 · 58 y · founder since 11.01.2024
Founder · 0,01 €

Shareholders (2)

e-Business Register · 14 h ago
VJ
Viljar Jaamu
Born 1968 · 58 y · shareholder since 11.01.2024
Shareholder 50% · 0,01 €
OT
Olga Tšernikova
Born 1988 · 37 y · shareholder since 11.01.2024
Shareholder 50% · 0,01 €

Annual reports (2)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2025
0 €
Employees 2025
0
YearRevenueProfitEquityAssetsEmployees
2025

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
15.06.2026ReportEsitati 2025. aasta aruanne— Käive 0 €
2025
01.07.2025ReportEsitati 2024. aasta aruanne— Käive 0 €

Connected companies

Same-person ties · e-Business Register

OJ INVEST GROUP OÜ is connected to 21 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Viljar Jaamu (14 companies).

Total connections
21
via 2 people
Connecting people
2
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Viljar
14 companies
Via personViljar Jaamu
0 €
0 €
0 €
0 €
0
15.06.2026
20240 €0 €0 €0 €001.07.2025
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
14
Olga Tšernikova7
VJ
Viljar Jaamu
board member, founder, shareholder 50%
14 other companies›
CompanyRoleReg. code
Cyber Planet OÜ
Founder
14037478
Ewerest Energia OÜ
Board member
17416058
Ewerest Grupp OÜ
Shareholder 100%FounderBoard member
17406373
Ewerest Tecnotec OÜ
Board member
17418135
Glorya Autorent OÜ
Board member
11018925
Mittetulundusühing Tallinn Finance
Founder
80335720
Octoinvest OÜ
Board memberShareholder 100%Founder
17445829
Octotron Grupp OÜ
Board memberShareholder 100%Founder
14733893
Opetron Capital OÜ
Board memberShareholder 85%
12471101
Opetron Kinnisvara OÜ
Board member
12477032
Opetron OÜ
Board memberFounder
12476601
Osaühing Hansatee Kinnisvara
Founder
10305367
Osaühing Vara HTG
Founder
10235684
SKL Operaator OÜ
Board memberShareholder 100%
10961999
OT
Olga Tšernikova
board member, founder, shareholder 50%
7 other companies›
CompanyRoleReg. code
GLORYA CRYSTALS OÜ
Shareholder 100%FounderBoard member
14178003
Lõu Mere Selts MTÜ
FounderBoard member
80588734
Mittetulundusühing Maarjamaa
Board member
80358098
Mittetulundusühing Tallinn Finance
Board member
80335720
MTÜ Tornimäe Selts
Board memberFounder
80583334
Opetron Capital OÜ
Board member
12471101
VIRUMAA RAHATARKUSE KLUBI MTÜ
Board memberFounder
80636752

Analysis · 2025

computed from annual reports
Revenue0 €median 29k €0% of the sector median
Compared with2024revenue 0 €

Peer group: Äri- ja muu juhtimisalane nõustamine, 7,461 trading companies that filed a report in the last three years.

Founded 2024. That year 22,386 osaühing were registered; 21,869 are still trading, or 97.7%.