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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
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Search›Persons›Jaak Kalja
JK
Born 02.12.1991 · 34 y

Jaak Kalja

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

  • 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
6active companies3linked trademarks9years active
Shareholder
5
companies
Founder
5
companies
Board member
1
companies
Linked trademarks
3
1 via companies
Top role
Volfram Creative OÜ
Board member + Shareholder + Founder
since 21.12.2016 · 9 y
Latest activity
Skypiercer Systems Holding OÜ
Shareholder + Founder
since 25.06.2026

Career timeline

e-Business Register
20162019202220252026CropVise OÜKatana Technologies OÜLRV Trade OÜSkypiercer OÜSkypiercer Systems Holding OÜVolfram Creative OÜosanikasutajaosanikasutajaosanik

History

e-Business Register · last 2 years
2026
25.06.2026OfficerSai osanikuks— Skypiercer Systems Holding OÜ · Skypiercer Systems Holding OÜ · 48 %
09.03.2026OfficerSai osanikuks— Katana Technologies OÜ · Katana Technologies OÜ · 0 %
17.02.2026OfficerAstus juhatusse— Volfram Creative OÜ · Volfram Creative OÜ
12.02.2026OfficerAsutas ettevõtte— Skypiercer Systems Holding OÜ · Skypiercer Systems Holding OÜ

Activity overview

e-Business Register
Roles by type
Board member1
Founder5
Shareholder5
Companies by sector
Professional, scientific and technical activities3
Agriculture, forestry and fishing1
Information and communication1

Companies (6)

e-Business Register
KT
Katana Technologies OÜ14239650Active
Põhja-Tallinna linnaosa, Tallinn, Harju maakond·EMTAK 62101
Shareholder 0% · 09.03.2026
10,5m €
CO
CropVise OÜ17203836Active
Liigvalla küla, Väike-Maarja vald, Lääne-Viru maakond·EMTAK 01611
Shareholder 29% · 24.03.2025

Connected trademarks (3)

EUIPO
Trademarks owned by a company this person is connected to. The connection does not imply involvement in the mark's actual use.
KT
Katana Technologies OÜ14239650Shareholder
3 trademarks
katana mark
katana
42Tech & R&D
FIGURATIVE15.07.2021 – reg 10.05.2022#018514018
Registered
asutajaosanikasutajajuhatuse_liigeosanikasutaja
Board memberFounderShareholderSupervisory board
  • CropVise OÜ – osanik (2025-03-24 – now), asutaja (2025-03-20 – now)
  • Katana Technologies OÜ – osanik (2026-03-09 – now)
  • LRV Trade OÜ – asutaja (2018-04-13 – now)
  • Skypiercer OÜ – osanik (2025-08-08 – now), asutaja (2025-08-07 – now)
  • Skypiercer Systems Holding OÜ – osanik (2026-06-25 – now), asutaja (2026-02-12 – now)
  • Volfram Creative OÜ – juhatuse_liige (2026-02-17 – now), osanik (2023-09-01 – now), asutaja (2016-12-21 – now)
2025
08.08.2025OfficerSai osanikuks— Skypiercer OÜ · Skypiercer OÜ · 33 %
07.08.2025OfficerAsutas ettevõtte— Skypiercer OÜ · Skypiercer OÜ
24.03.2025OfficerSai osanikuks— CropVise OÜ · CropVise OÜ · 29 %
20.03.2025OfficerAsutas ettevõtte— CropVise OÜ · CropVise OÜ
Wholesale and retail trade; repair of motor vehicles and motorcycles1
Companies joined per year
210
201620212026
Founder · 20.03.2025
1y
active
13k €
VC
Volfram Creative OÜ14173046Active
Mõndavere küla, Kadrina vald, Lääne-Viru maakond·EMTAK 73111
Board member · 17.02.2026Shareholder 50% · 01.09.2023Founder · 21.12.2016
9y
active
6k €
LT
LRV Trade OÜ14473050Active
Vaskjala küla, Rae vald, Harju maakond·EMTAK 46901
Founder · 13.04.2018
8y
active
0 €
SO
Skypiercer OÜ17299084Active
Mõndavere küla, Kadrina vald, Lääne-Viru maakond·EMTAK 71129
Shareholder 33% · 08.08.2025Founder · 07.08.2025
1y
active
SS
Skypiercer Systems Holding OÜ17436581Active
Tartu linn, Tartu linn, Tartu maakond·EMTAK 71129
Shareholder 48% · 25.06.2026Founder · 12.02.2026
KATANA mark
KATANA
42Tech & R&D
FIGURATIVE18.08.2020 – reg 08.01.2021#018292749
Registered
KATANA
42Tech & R&D
WORD18.08.2020 – reg 08.01.2021#018292748
Registered