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Search›Persons›Joonas Sernjuk
JS
39203072024Born 07.03.1992 · 34 y

Joonas Sernjuk

Data is aggregated from the Business Register's open data. Every role shows its source and date.

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nimistu
Estonia's public business register
HomeViewsIndustriesSourcesAbout

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
2active companies12years active
Board member
2
companies
Founder
2
companies
Shareholder
1
companies
Ultimate beneficial owner
1
companies
Top role
Müügikoolituse OÜ
Shareholder + Ultimate beneficial owner + Board member + Founder
since 11.04.2014 · 12 y

Career timeline

e-Business Register
2014201820222026CostPocket OÜMüügikoolituse OÜjuhatuse_liigeasutajaosanikkasusaajajuhatuse_liigeasutaja
Board memberFounderShareholderBeneficial ownerSupervisory board
  • CostPocket OÜ – juhatuse_liige (2016-03-18 – now), asutaja (2016-03-10 – now)
  • Müügikoolituse OÜ – osanik (2023-09-01 – now), kasusaaja (2018-10-21 – now), juhatuse_liige (2014-04-14 – now), asutaja (2014-04-11 – now)
⚠

Address shared by 88 companies (this person at 1 of them): Harju maakond, Tallinn, Kesklinna linnaosa, Roosikrantsi tn 11.

The address is likely a corporate-services bureau / virtual office shared by many unrelated entities.

Companies (2)

e-Business Register
CO
CostPocket OÜ14016832Active
Kesklinna linnaosa, Tallinn, Harju maakond·EMTAK 63101
Board member · 18.03.2016Founder · 10.03.2016
10y
active
1,1m €
MO
Müügikoolituse OÜ12644613Active
Tolla küla, Rapla vald, Rapla maakond·EMTAK 70201
Shareholder 100% · 01.09.2023Ultimate beneficial owner · 21.10.2018Board member · 14.04.2014Founder · 11.04.2014
12y
active
7k €