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

  • 78 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›Optiocean OÜ
17069579ActivePrivate limited companyEE102796021 · VAT-registered

Optiocean OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Tartu mnt 84a·EMTAK 62201 — Computer consultancy activities·2+ 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 · 17 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
13.09.2024e-Business Register
Address
Tartu mnt 84a, Kesklinna linnaosa, Tallinn, 10112 Harju maakondADS · e-Business Register
E-mail address
simon@optiocean.come-Business Register
Principal activity
EMTAK 62201 - Computer consultancy activitiese-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
100,00 €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

  • 78 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
Data · 6 sourcese-Business Register · 4 min agoMTA
e-Business Register ↗

Registered 13. september 2024, primary activity: Computer consultancy activities. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 III kv
109 576 €
▲ 16% vs 2025 III kv
As of 10.10.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
–
Tax debt
0 €
As of 09.11.2026 (MTA)
Revenue 2026 (I-III kv)
355k €
▲ 95% vs 2025 I-III kv
As of 10.10.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
–
Tax debt
€0
As of 09.11.2026 (MTA)

Officers

e-Business Register · 17 h ago
SK
Simon Konstantin Seifer
· board member since 13.09.2024
Board member

Founders

e-Business Register · 17 h ago
SK
Simon Konstantin Seifer
· founder since 13.09.2024
Founder · 0,01 €

Shareholders (2)

e-Business Register · 17 h ago
SK
Simon Konstantin Seifer
· shareholder since 07.10.2025
Shareholder 51% · 51 €
SZ
Sergey Zyubin?
Born 1989 · 37 y · shareholder since 07.10.2025
Shareholder 49% · 49 €

Annual reports (1)

e-Business Register · annual reports · 19 h tagasi
YearRevenueProfitEquityAssetsEmployees
2025254 289 €134 139 €134k €145k €016.10.2026
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.10.2026 as of
200k €100k €0
202420252026

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
16.10.2026ReportEsitati 2025. aasta aruanne— Käive 254 289 €
2025
07.10.2025OfficerSai osanikuks2×expand ›hide ⌃
  • Sergey Zyubin · · 49 %
  • Simon Konstantin Seifer · · 51 %
07.10.2025FilingMuutmiskanne

Connected companies

Same-person ties · e-Business Register

Optiocean OÜ is connected to 1 other company through 1 person who hold a role here and elsewhere. The strongest tie runs through Simon Konstantin Seifer (1 company).

Total connections
1
via 1 person
Connecting people
1
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Simon
1 company
Via personSimon Konstantin Seifer
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I-III Q354 838 €–––
2025288 053 €17 €0 €–
2024I-IV Q19 500 €–––
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2026101k €144k €110k €–
State taxes 2026––––
Taxes on workforce 2026––––
Employees 2026––––
Revenue 202532k €55k €94k €106k €
State taxes 2025–––17 €
Taxes on workforce 2025–––0 €
Employees 2025––––
Revenue 2024–––20k €
State taxes 2024––––
Taxes on workforce 2024––––
Employees 2024––––
2×
expand ›
hide ⌃
  • Ä 50264122 / 2 · Olek: Jõustunud
  • Kanne nr 2 · kanne
21.03.2025FilingKorraldav määrus— Ä 50264122 / M1 · Olek: Puudused kõrvaldatud
1
SK
Simon Konstantin Seifer
board member, founder, shareholder 51%
1 other company›
CompanyRoleReg. code
AIPartner OÜ
Board memberFounderShareholder 100%
17566757

Analysis · 2025

computed from annual reports
Revenue254k €median 35k €7.2× the sector median
Net margin52.8%median 21.1%+31.6 pp vs sector median
Equity ratio92.5%
Current ratio13.39

Peer group: Arvutialased konsultatsioonid, 2,141 trading companies that filed a report in the last three years.

Founded 2024. That year 22,389 osaühing were registered; 21,755 are still trading, or 97.2%.