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Search›Persons›Ott Hakkaja
OH
Born 1978 · 48 y

Ott Hakkaja

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

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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

  • 72 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
4active companies1linked trademarks21years active
Ultimate beneficial owner
3
companies
Board member
3
companies
Shareholder
2
companies
Founder
1
companies
Linked trademarks
1
1 via companies
Top role
IT Teeninduse OÜ
Shareholder + Ultimate beneficial owner + Board member
since 22.10.2004 · 21 y
Latest activity
MTÜ Greenwhite
Ultimate beneficial owner + Founder
since 02.04.2024

Career timeline

e-Business Register
20042010201620222026IT Teeninduse OÜMTÜ GreenwhiteTallinn, Kaera tn 22 korteriü…Wiscreen OÜosanikkasusaajajuhatuse_liigekasusaajaasutajajuhatuse_liigeosanikkasusaajajuhatuse_liige
⚠

Address shared by 182 companies (this person at 1 of them): Harju maakond, Tallinn, Kesklinna linnaosa, Estonia pst 1.

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

Activity overview

e-Business Register
Roles by type
Board member3
Founder1
Shareholder2
Ultimate beneficial owner3
Companies by sector
Information and communication1
Arts, entertainment and recreation

Companies (4)

e-Business Register
IT
IT Teeninduse OÜ11035438Active
Põhja-Tallinna linnaosa, Tallinn, Harju maakond·EMTAK 62202
Shareholder 100% · 01.09.2023Ultimate beneficial owner · 14.02.2019Board member · 22.10.2004
21y
active
137k €
WO
Wiscreen OÜ12269026

Ended roles (1)

e-Business Register

roles that have ended in the register (the person has departed); we show departures from the last five years.

MG
MTÜ Greenwhite80609293Ended
Board member · 02.04.2024 – 22.01.2026

Connected trademarks (1)

EUIPO
Trademarks owned by a company this person is connected to. The connection does not imply involvement in the mark's actual use.
IT
IT Teeninduse OÜ11035438Board member
1 trademarks
WISCREEN mark
WISCREEN
42Tech & R&D
FIGURATIVE15.05.2023 – reg 21.09.2023#018874834
Registered
Board memberFounderShareholderBeneficial ownerSupervisory board
  • IT Teeninduse OÜ – osanik (2023-09-01 – now), kasusaaja (2019-02-14 – now), juhatuse_liige (2004-10-22 – now)
  • MTÜ Greenwhite – kasusaaja (2024-04-02 – now), asutaja (2022-03-28 – now)
  • Tallinn, Kaera tn 22 korteriühistu – juhatuse_liige (2023-05-22 – now)
  • Wiscreen OÜ – osanik (2023-09-01 – now), kasusaaja (2018-12-18 – now), juhatuse_liige (2018-06-26 – now)
1
Real estate activities1
Financial and insurance activities1
Companies joined per year
110
200420142023
Active
Kesklinna linnaosa, Tallinn, Harju maakond·EMTAK 64301
Shareholder 100% · 01.09.2023Ultimate beneficial owner · 18.12.2018Board member · 26.06.2018
8y
active
0 €
MG
MTÜ Greenwhite80609293Active
Kesklinna linnaosa, Tallinn, Harju maakond·EMTAK 93199
Ultimate beneficial owner · 02.04.2024Founder · 28.03.2022
4y
active
TK
Tallinn, Kaera tn 22 korteriühistu80230843Active
·EMTAK 68321
Board member · 22.05.2023
3y
active