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Search›Companies›Enerhack OÜ
16237193ActivePrivate limited companyEE102375772 · VAT-registered

Enerhack OÜ

Harju maakond, Tallinn, Lasnamäe linnaosa, Valukoja tn 8/1·EMTAK 85599 — Other education n.e.c.·5+ years
Andmed · ···
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Overview

e-Business Register · 2 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
25.05.2021e-Business Register
Address
Valukoja tn 8/1, Lasnamäe linnaosa, Tallinn, 11415 Harju maakondADS · e-Business Register
E-mail address
ikrupenski@gmail.come-Business Register
Telephone
+372 58003989· Elisa Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 85599 - Other education n.e.c.e-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2500,00 €e-Business Register
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
  • 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
Data · 11 sourcese-Business Register · 2 min agoMTARTKEUIPOWeb tech scanEesti Internet
e-Business Register ↗

Registered 25. mai 2021, primary activity: Other education n.e.c.. Main place of business in Lasnamäe linnaosa, Tallinn, Harju maakond.

Revenue 2026 (I kv)
11 893 €
▼ 0% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
2
2026 (MTA)
Taxes paid
1999 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)
Revenue 2026 (I kv)
12k €
▼ 0% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
2
2026 (MTA)
Taxes paid
2k €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 2 h ago
IK
Igor Krupenski
Born 1983 · 43 y · board member since 25.05.2021
Board member

Founders (2)

e-Business Register · 2 h ago
IK
Igor Krupenski
Born 1983 · 43 y · founder since 24.05.2021
Founder · 1k €
VA
Victoria Aleinikova
· founder since 24.05.2021
Founder · 1k €

Shareholders

e-Business Register · 2 h ago
IK
Igor Krupenski
Born 1983 · 43 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Beneficial owners

e-Business Register · 2 h ago
IK
Igor Krupenski
Born 1983 · 43 y · ultimate beneficial owner since 25.05.2021
Ultimate beneficial owner

Annual reports (4)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
82k €
↘ -27.1% vs 2023
State taxes 2025
16k €
↘ -49.1% vs 2024
Employees 2024
3
↘ -62.5% vs 2023
YearRevenueProfit

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
100k €50k €0

Tech stack

Tehnoloogiad
Domains (1)
enerhack.ee
REGZone Media OÜ
SRCEIS WHOIS
Could not analyse (fetch failed)
Mobile carrier
+372 58003989Elisa Eesti AS

Veebilehte ei õnnestunud analüüsida (fetch failed).

Trademarks (1)

EUIPO · 8 päeva tagasi
EN
Enerhack
2 classes · word · 17.03.2023 · 018850426
Registered

State-sector payments (21 · 56k €)

RTK Makseandmik · 15.05.2026
Transactions
21
2024–2026 · 3 years
Total amount
56k €
avg 3k €
Buyers
6
State and municipal bodies
Latest
19.03.2026
2k € · KLIIMAMINISTEERIUM

2026: 11k € · 2025: 12k € · 2024: 33k €

BuyerTxAmountShare
KLIIMAMINISTEERIUM
70001231
15

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 81 895 €
2024
30.06.2024ReportEsitati 2023. aasta aruanne— Käive 112 400 €

Connected companies

Same-person ties · e-Business Register

Enerhack OÜ is connected to 14 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Igor Krupenski (8 companies).

Total connections
14
via 2 people
Connecting people
2
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Igor
8 companies
Via personIgor Krupenski
Equity
Assets
Employees
202481 895 €−13 779 €-18k €16k €330.06.2025
2023112 400 €−14 612 €-7k €14k €830.06.2024
202281 784 €14 698 €8k €47k €227.06.2023
202117 422 €−7073 €-7k €3k €021.07.2022
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q11 893 €1244 €755 €2
202566 763 €15 706 €8174 €14
2024101 200 €30 848 €15 691 €12
2023134 781 €32 447 €22 341 €7
202281 762 €17 665 €3734 €6
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202612k €–––
State taxes 20261k €–––
Taxes on workforce 2026755 €–––
Employees 20262–––
Revenue 202512k €34k €5k €15k €
State taxes 20253k €9k €704 €3k €
Taxes on workforce 20253k €3k €536 €1k €
Employees 20257141414
Revenue 202428k €52k €15k €7k €
State taxes 20247k €14k €5k €4k €
Taxes on workforce 20245k €4k €3k €4k €
Employees 202456812
Revenue 202333k €41k €31k €29k €
State taxes 202310k €9k €6k €8k €
Taxes on workforce 20238k €5k €2k €7k €
Employees 202362187
Revenue 202231k €21k €3k €27k €
State taxes 20226k €4k €544 €7k €
Taxes on workforce 202255 €0 €0 €4k €
Employees 20221186
38k €
SA Eesti Rahvusvahelise Arengukoostöö Keskus
90015347
2
17k €
Tallinna Keskkonna- ja Kommunaalamet
75014913
1
396,50 €
Tartu Linnavalitsus
75006546
1
396,50 €
Tallinna Linnavaraamet
75023757
1
356,85 €
Harku Vallavalitsus
75014132
1
152,50 €
20265 transactions · 9k €
19.032026
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
2261 €
06.032026
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
1906 €
06.032026
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
286 €
02.032026
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
891 €
02.022026
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
3176 €
Show remaining 16 transactions+
20262 transactions · 2k €
22.012026
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
882 €
08.012026
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
1489 €
20257 transactions · 12k €
2025
8
Victoria Aleinikova6
IK
Igor Krupenski
board member, founder, shareholder 100%, ultimate beneficial owner
8 other companies›
CompanyRoleReg. code
Chess24 OÜ
Founder
11765065
Eesti Inseneride Liit
Board member
80007571
Eesti Soojustehnikainseneride Selts
Board memberUltimate beneficial owner
80135808
EnergyInvest OÜ
Board memberShareholder 100%FounderUltimate beneficial owner
16057410
EnergyMentor OÜ
Board memberUltimate beneficial owner
12666738
HeatConsult OÜ
Founder
12049862
Mittetulundusühing Enerhack Foundation
Founder
80597147
Sandplay OÜ
FounderUltimate beneficial ownerShareholder 50%Board member
16226114
VA
Victoria Aleinikova
founder
6 other companies›
CompanyRoleReg. code
Disly OÜ
FounderShareholder 75%Board memberUltimate beneficial owner
16625897
Lumirai OÜ
Board member
20.11
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
5437 €
19.112025
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
3203 €
11.112025
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
221 €
06.102025
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
1376 €
08.092025
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
866 €
03.092025
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
492 €
22.082025
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
236 €
20247 transactions · 33k €
07.102024
SA Eesti Rahvusvahelise Arengukoostöö Keskus90015347
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
882 €
26.082024
KLIIMAMINISTEERIUM70001231
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
15 000 €
16.042024
Tallinna Keskkonna- ja Kommunaalamet75014913
MAJANDAMISKULUD · Muud elamu- ja kommunaalmajanduse tegevus
397 €
04.042024
Harku Vallavalitsus75014132
MAJANDAMISKULUD · Muu majandus (sh majanduse haldus)
153 €
11.032024
Tallinna Linnavaraamet75023757
MAJANDAMISKULUD · Muud elamu- ja kommunaalmajanduse tegevus
357 €
08.032024
SA Eesti Rahvusvahelise Arengukoostöö Keskus90015347
MUUD TOETUSED · Välisabi arengu- ja üleminekuriikidele
16 200 €
01.032024
Tartu Linnavalitsus75006546
MAJANDAMISKULUD · Muu majandus (sh majanduse haldus)
397 €
Shareholder 100%
Founder
Ultimate beneficial owner
16820455
Mittetulundusühing Enerhack Foundation
Founder
80597147
Tenentes OÜ
Founder
16982442
Tricollagen OÜ
Founder
16107645
Wellness Innovation Hub OÜ
Founder
16923244