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Search›Persons›Kai Siinmaa
KS
Born 23.04.1966 · 60 y

Kai Siinmaa

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nimistuEstonia'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

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  • Views
  • Industries
  • Recent registrations

Data

  • 72 sources
  • Database
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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
5active companies1linked trademarks14years active
Shareholder
5
companies
Ultimate beneficial owner
5
companies
Founder
4
companies
Board member
3
companies
Linked trademarks
1
1 via companies
Top role
Baltic HC Solutions OÜ
Shareholder + Ultimate beneficial owner + Board member + Founder
since 02.01.2012 · 14 y
Latest activity
S5 Invest OÜ
Shareholder + Ultimate beneficial owner
since 05.11.2025

Career timeline

e-Business Register
20122016202020242026Baltic HC Solutions OÜHealthBook OÜHoneyMedical OÜInterface OÜS5 Invest OÜosanikkasusaajajuhatuse_liigeasutajaosanikkasusaajajuhatuse_liige

History

e-Business Register · last 2 years
2025
05.11.2025OfficerSai osanikuks— S5 Invest OÜ · S5 Invest OÜ · 16 %
29.10.2025OfficerLisati tegelikuks kasusaajaks— S5 Invest OÜ · S5 Invest OÜ

Activity overview

e-Business Register
Roles by type
Board member3
Founder4
Shareholder5
Ultimate beneficial owner5
Companies by sector
Professional, scientific and technical activities3
Information and communication

Companies (5)

e-Business Register
BH
Baltic HC Solutions OÜ12213184Active
Pringi küla, Viimsi vald, Harju maakond·EMTAK 72101
Shareholder 50% · 01.09.2023Ultimate beneficial owner · 04.11.2018Board member · 03.01.2012Founder · 02.01.2012
14y
active
937k €
HO

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.
HO
HealthBook OÜ12215546Board member
1 trademarks
WIZELIFE mark
WIZELIFE
090942Tech & R&D44Medical & beauty
FIGURATIVE01.06.2016 – reg 21.12.2016
asutajaosanikkasusaajaasutajaosanikkasusaajajuhatuse_liigeasutajaosanikkasusaaja
Board memberFounderShareholderBeneficial ownerSupervisory board
  • Baltic HC Solutions OÜ – osanik (2023-09-01 – now), kasusaaja (2018-11-04 – now), juhatuse_liige (2012-01-03 – now), asutaja (2012-01-02 – now)
  • HealthBook OÜ – osanik (2023-09-01 – now), kasusaaja (2018-10-29 – now), juhatuse_liige (2012-01-09 – now), asutaja (2012-01-07 – now)
  • HoneyMedical OÜ – osanik (2023-09-01 – now), kasusaaja (2018-10-30 – now), asutaja (2018-06-27 – now)
  • Interface OÜ – osanik (2023-09-01 – now), kasusaaja (2018-11-04 – now), juhatuse_liige (2018-02-28 – now), asutaja (2018-02-27 – now)
  • S5 Invest OÜ – osanik (2025-11-05 – now), kasusaaja (2025-10-29 – now)
1
Manufacturing1
Companies joined per year
210
201220192025
HealthBook OÜ12215546Active
Pringi küla, Viimsi vald, Harju maakond·EMTAK 62021
Shareholder 31% · 01.09.2023Ultimate beneficial owner · 29.10.2018Board member · 09.01.2012Founder · 07.01.2012
14y
active
0 €
IO
Interface OÜ14438384Active
Pringi küla, Viimsi vald, Harju maakond·EMTAK 70221
Shareholder 60% · 01.09.2023Ultimate beneficial owner · 04.11.2018Board member · 28.02.2018Founder · 27.02.2018
8y
active
0 €
HO
HoneyMedical OÜ14515601Active
Pärnu linn, Pärnu linn, Pärnu maakond·EMTAK 21201
Shareholder 20% · 01.09.2023Ultimate beneficial owner · 30.10.2018Founder · 27.06.2018
8y
active
0 €
SI
S5 Invest OÜ16422358Active
Kesklinna linnaosa, Tallinn, Harju maakond·EMTAK 70201
Shareholder 16% · 05.11.2025Ultimate beneficial owner · 29.10.2025
0 €
#015497266
Registered