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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Search›Persons›Igor Krupenski
IK
Born 23.06.1983 · 43 y

Igor Krupenski

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

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ET/EN/RU
EN
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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

  • Home
  • Views
  • Industries
  • Recent registrations

Data

  • 72 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • For journalists
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
9active companies1linked trademarks16years active
Board member
6
companies
Founder
6
companies
Ultimate beneficial owner
5
companies
Shareholder
3
companies
Linked trademarks
1
1 via companies
Top role
Chess24 OÜ
Founder
since 16.11.2009 · 16 y
Latest activity
EnergyInvest OÜ
Shareholder + Board member + Ultimate beneficial owner + Founder
since 01.09.2023

Career timeline

e-Business Register
20092014201920242026Chess24 OÜEesti Inseneride LiitEesti Soojustehnikainseneride…EnergyInvest OÜEnergyMentor OÜEnerhack OÜHeatConsult OÜMittetulundusühing Enerhack F…Sandplay OÜ
⚠

Address shared by 236 companies (this person at 2 of them): Harju maakond, Tallinn, Lasnamäe linnaosa, Valukoja tn 8/2.

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

Activity overview

e-Business Register
Roles by type
Board member6
Founder6
Shareholder3
Ultimate beneficial owner5
Companies by sector
Other service activities2
Professional, scientific and technical activities2

Companies (9)

e-Business Register
EO
EnergyMentor OÜ12666738Active
Lasnamäe linnaosa, Tallinn, Harju maakond·EMTAK 4399
Ultimate beneficial owner · 30.09.2018Board member · 27.05.2014
12y
active
5,7m €
HO
HeatConsult OÜ12049862Active

Ended roles (2)

e-Business Register

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

M"
mittetulundusühing "Vabaettur"80114551Ended
Ultimate beneficial owner · 30.09.2018 – 14.06.2026
HO
HeatConsult OÜ12049862Ended
Board member · 27.01.2011 – 23.07.2025

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.
EO
Enerhack OÜ16237193Board member
1 trademarks
Enerhack
41Education & entertainment42Tech & R&D
WORD17.03.2023 – reg 01.07.2023#018850426
Registered
asutajajuhatuse_liigekasusaajajuhatuse_liigeosanikjuhatuse_liigekasusaajaasutajakasusaajajuhatuse_liigeosanikjuhatuse_liigekasusaajaasutajaasutajaasutajaosanikjuhatuse_liigekasusaajaasutaja
Board memberFounderShareholderBeneficial ownerSupervisory board
  • Chess24 OÜ – asutaja (2009-11-16 – now)
  • Eesti Inseneride Liit – juhatuse_liige (2022-09-14 – now)
  • Eesti Soojustehnikainseneride Selts – kasusaaja (2021-06-01 – now), juhatuse_liige (2021-01-29 – now)
  • EnergyInvest OÜ – osanik (2023-09-01 – now), juhatuse_liige (2020-09-21 – now), kasusaaja (2020-09-21 – now), asutaja (2020-09-19 – now)
  • EnergyMentor OÜ – kasusaaja (2018-09-30 – now), juhatuse_liige (2014-05-27 – now)
  • Enerhack OÜ – osanik (2023-09-01 – now), juhatuse_liige (2021-05-25 – now), kasusaaja (2021-05-25 – now), asutaja (2021-05-24 – now)
  • HeatConsult OÜ – asutaja (2011-01-24 – now)
  • Mittetulundusühing Enerhack Foundation – asutaja (2021-05-24 – now)
  • Sandplay OÜ – osanik (2023-09-01 – now), juhatuse_liige (2021-05-10 – now), kasusaaja (2021-05-10 – now), asutaja (2021-05-09 – now)
Education2
Wholesale and retail trade; repair of motor vehicles and motorcycles1
Construction1
Human health and social work activities1
Companies joined per year
420
200920162022
Lasnamäe linnaosa, Tallinn, Harju maakond·EMTAK 71121
Founder · 24.01.2011
15y
active
1,4m €
EO
Enerhack OÜ16237193Active
Lasnamäe linnaosa, Tallinn, Harju maakond·EMTAK 85599
Shareholder 100% · 01.09.2023Board member · 25.05.2021Ultimate beneficial owner · 25.05.2021Founder · 24.05.2021
5y
active
82k €
EO
EnergyInvest OÜ16057410Active
Vatsla küla, Saue vald, Harju maakond·EMTAK 71121
Shareholder 100% · 01.09.2023Board member · 21.09.2020Ultimate beneficial owner · 21.09.2020Founder · 19.09.2020
5y
active
68k €
CO
Chess24 OÜ11765065Active
Põhja-Tallinna linnaosa, Tallinn, Harju maakond·EMTAK 47911
Founder · 16.11.2009
16y
active
8k €
SO
Sandplay OÜ16226114Active
Mustamäe linnaosa, Tallinn, Harju maakond·EMTAK 86992
Shareholder 50% · 01.09.2023Board member · 10.05.2021Ultimate beneficial owner · 10.05.2021Founder · 09.05.2021
5y
active
268 €
ES
Eesti Soojustehnikainseneride Selts80135808Active
Mustamäe linnaosa, Tallinn, Harju maakond·EMTAK 9412
Ultimate beneficial owner · 01.06.2021Board member · 29.01.2021
5y
active
ME
Mittetulundusühing Enerhack Foundation80597147Active
Lasnamäe linnaosa, Tallinn, Harju maakond·EMTAK 85599
Founder · 24.05.2021
5y
active
EI
Eesti Inseneride Liit80007571Active
Mustamäe linnaosa, Tallinn, Harju maakond·EMTAK 9412
Board member · 14.09.2022
3y
active