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Search›Companies›Energosystems OÜ
14023619ActivePrivate limited companyEE102641231 · VAT-registered

Energosystems OÜ

Harju maakond, Tallinn, Haabersti linnaosa, Uustalu tn 11·EMTAK 71121 — Constructional engineering-technical designing and consulting·10+ years
Andmed · ···
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Overview

e-Business Register · 20 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
31.03.2016e-Business Register
Address
Uustalu tn 11, Haabersti linnaosa, Tallinn, 13516 Harju maakondADS · e-Business Register
E-mail address
info@energosystems.eee-Business Register
Telephone
+372 5643335· Tele2 Eesti Aktsiaseltse-Business Register · TTJA NBA
Principal activity
EMTAK 71121 - Constructional engineering-technical designing and consultinge-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2508,00 €e-Business Register
LEI
984500D9XE366FB8A167 · issued 18.03.2026GLEIF
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 · 10 sourcese-Business Register · 9 min agoMTAMTRWeb tech scanEesti InternetGLEIF
e-Business Register ↗

Registered 31. märts 2016, primary activity: Constructional engineering-technical designing and consulting. Main place of business in Haabersti linnaosa, Tallinn, Harju maakond.

Revenue 2026 (I kv)
28 396 €
▼ 26% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
9093 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)
Revenue 2026 (I kv)
28k €
▼ 26% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
9k €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 20 h ago
AS
Ardo Siemer
Born 1976 · 49 y · board member since 16.06.2016
Board member

Shareholders

e-Business Register · 20 h ago
AS
Ardo Siemer
Born 1976 · 49 y · shareholder since 02.09.2023
Shareholder 100% · 3k €

Annual reports (7)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2025
215k €
↗ +97.3% vs 2024
State taxes 2025
54k €
↗ +48.2% vs 2024
Employees 2025
1
0.0% vs 2024
YearRevenueProfit

Taxes, revenue and employees

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

Licences (2)

MTR · 19 h tagasi
Active licences
2
Other2
Oldest · Newest
2016→2016
Oldest licenceEEH009420 · 14.07.2016
Active2 / 2
EEH009420
Ehitamine
Majandustegevusteade
From14.07.2016
UntilOpen-ended
Valid

Tech stack

Website analysis · 2 päeva tagasi
Domains (1)
energosystems.ee
SPF
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Detected technologies
JavaScript libraryjQuery
Web serverApache
Mobile carrier
+372 5643335

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
29.01.2026ReportEsitati 2025. aasta aruanne— Käive 214 502 €
2025
14.07.2025ReportEsitati 2024. aasta aruanne— Käive 108 719 €

Connected companies

Same-person ties · e-Business Register

Energosystems OÜ is connected to 3 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Ardo Siemer (3 companies).

Total connections
3
via 1 person
Connecting people
1
Active here
Distinct roles
2
Board member · Shareholder
Strongest tie
Ardo
3 companies
Via personArdo Siemer
Equity
Assets
Employees
2025214 502 €49 776 €35k €65k €129.01.2026
2024108 719 €12 617 €25k €56k €114.07.2025
202385 138 €46 255 €66k €98k €109.05.2024
202235 670 €7492 €32k €35k €130.06.2023
202127 843 €7706 €25k €27k €115.07.2022
202019 864 €−523 €17k €20k €130.06.2021
201931 787 €8191 €20k €24k €126.08.2020
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 Q28 396 €7620 €1473 €1
2025210 780 €54 351 €11 150 €1
2024108 733 €36 674 €5100 €2
2023I-IV Q30 326 €10 158 €2516 €1
2022–1998 €2166 €1
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202628k €–––
State taxes 20268k €–––
Taxes on workforce 20261k €–––
Employees 20261–––
Revenue 202539k €36k €78k €58k €
State taxes 202513k €11k €13k €17k €
Taxes on workforce 20253k €3k €3k €2k €
Employees 202522–1
Revenue 202426k €16k €28k €38k €
State taxes 20247k €9k €9k €12k €
Taxes on workforce 2024668 €0 €2k €3k €
Employees 20241222
Revenue 2023––5k €25k €
State taxes 2023564 €2k €2k €6k €
Taxes on workforce 2023611 €583 €661 €661 €
Employees 20231111
Revenue 2022––––
State taxes 2022407 €371 €610 €610 €
Taxes on workforce 2022441 €403 €661 €661 €
Employees 20221111
EEO003745
Omanikujärelevalve
Majandustegevusteade
From14.07.2016
UntilOpen-ended
Valid
Tele2 Eesti Aktsiaselts
3
AS
Ardo Siemer
board member, shareholder 100%
3 other companies›
CompanyRoleReg. code
Helpsapp OÜ
Board memberShareholder 33%Ultimate beneficial owner
12759167
Tallinn, Herne tn 20 // Magasini tn 18 korteriühistu
Board member
80052063
Tehniliste Konsultantide Liit
Board memberFounderUltimate beneficial owner
80652337