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Jüri Saska
JS
Born 20.08.1974 · 52 y
Jüri Saska
Data is aggregated from the Business Register's open data. Every role shows its source and date.
Data
e-Business Register
Estonia's public business register
Home
Views
Industries
Blog
Sources
About
4
active companies
2
years active
Board member
4
companies
Shareholder
1
companies
Founder
1
companies
Top role
Sajoko OÜ
Board member
since 07.08.2024 · 2 y
Latest activity
Thuledefence Technologies OÜ
Board member
since 19.05.2026
Career timeline
e-Business Register
2024
2025
2026
Sajoko koolitused OÜ
Sajoko OÜ
J4S OÜ
Thuledefence Technologies OÜ
juhatuse_liige
juhatuse_liige
osanik
juhatuse_liige
asutaja
juhatuse_liige
Board member
Founder
Shareholder
Supervisory board
Sajoko koolitused OÜ – juhatuse_liige (2025-01-03 – now)
Sajoko OÜ – juhatuse_liige (2024-08-07 – now)
J4S OÜ – osanik (2026-05-14 – now), juhatuse_liige (2026-05-14 – now), asutaja (2026-05-13 – now)
History
e-Business Register · last 2 years
2026
19.05.2026
Officer
Astus juhatusse
—
Thuledefence Technologies OÜ
· Thuledefence Technologies OÜ
14.05.2026
Officer
Sai osanikuks
—
J4S OÜ
· J4S OÜ · 100 %
14.05.2026
Officer
Astus juhatusse
—
J4S OÜ
· J4S OÜ
13.05.2026
Officer
Asutas ettevõtte
—
J4S OÜ
· J4S OÜ
2025
Activity overview
e-Business Register
Roles by type
Board member
4
Founder
1
Shareholder
1
Companies by sector
Education
2
Professional, scientific and technical activities
1
Wholesale and retail trade; repair of motor vehicles and motorcycles
1
Companies (4)
e-Business Register
SK
Sajoko koolitused OÜ
16965892
Active
Kesklinna linnaosa, Tallinn, Harju maakond
·
EMTAK 8559
Board member · 03.01.2025
1
y
active
38k €
SO
Sajoko OÜ
14340062
Active
Kesklinna linnaosa, Tallinn, Harju maakond
·
EMTAK 8559
Thuledefence Technologies OÜ – juhatuse_liige (2026-05-19 – now)
03.01.2025
Officer
Astus juhatusse
—
Sajoko koolitused OÜ
· Sajoko koolitused OÜ
Companies joined per year
2
1
0
2024
2025
2026
Board member · 07.08.2024
2
y
active
33k €
JO
J4S OÜ
17507938
Active
Kesklinna linnaosa, Tallinn, Harju maakond
·
EMTAK 70201
Shareholder 100% · 14.05.2026
Board member · 14.05.2026
Founder · 13.05.2026
TT
Thuledefence Technologies OÜ
17510952
Active
Kesklinna linnaosa, Tallinn, Harju maakond
·
EMTAK 46649
Board member · 19.05.2026