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Search›Persons›Petr Sergeev
PS

Petr Sergeev

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

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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

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  • 79 sources
  • Database
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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
2active companies1years active
Board member
2
companies
Shareholder
1
companies
Top role
Guardarian OÜ
Board member
since 30.07.2025 · 1 y
Latest activity
Tech Castle OÜ
Board member + Shareholder
since 30.06.2026

Career timeline

e-Business Register
20252026Guardarian OÜTech Castle OÜjuhatuse_liigejuhatuse_liigeosanik
Board memberFounderShareholderSupervisory board
  • Guardarian OÜ – juhatuse_liige (2025-07-30 – now)
  • Tech Castle OÜ – juhatuse_liige (2026-06-30 – now), osanik (2026-06-30 – now)

History

e-Business Register · last 2 years
2026
30.06.2026OfficerSai osanikuks— Tech Castle OÜ · Tech Castle OÜ · 100 %
30.06.2026OfficerAstus juhatusse— Tech Castle OÜ · Tech Castle OÜ
2025
30.07.2025OfficerAstus juhatusse— Guardarian OÜ · Guardarian OÜ
⚠

Address shared by 658 companies (this person at 2 of them): Harju maakond, Tallinn, Kesklinna linnaosa, Vesivärava tn 50-301.

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

Companies (2)

e-Business Register
GO
Guardarian OÜ14320990Active
Kesklinna linnaosa, Tallinn, Harju maakond·EMTAK 62101
Board member · 30.07.2025
1y
active
1,1m €
TC
Tech Castle OÜ14050527Active
Kesklinna linnaosa, Tallinn, Harju maakond·EMTAK 63101
Board member · 30.06.2026Shareholder 100% · 30.06.2026
601k €