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Search›Companies›Heat NRG OÜ
12239195ActivePrivate limited company

Heat NRG OÜ

Tartu maakond, Tartu linn, Tartu linn, Siili tn 6-2·EMTAK 71129 — Other engineering-technical activities·14+ years
Andmed · ···
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Overview

e-Business Register · 21 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
23.02.2012e-Business Register
Address
Siili tn 6-2, Tartu linn, Tartu linn, 50104 Tartu maakondADS · e-Business Register
E-mail address
marek.oolo@tkh.eee-Business Register
Telephone
+372 56480162· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 71129 - Other engineering-technical activitiese-Business Register · ETCB
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
  • Activity licences
  • Recent registrations

Data

  • 78 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • FAQ
  • For journalists
  • Donate
  • Donation terms
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  • Terms
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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Revenue
2200 €
▲ 120% vs 2024
Employees
–
2025 annual report
Taxes paid
–
Tax debt
0 €
As of 11.11.2026 (MTA)

Registered 23. veebruar 2012, primary activity: Other engineering-technical activities. Main place of business in Tartu linn, Tartu linn, Tartu maakond.

Data · 5 sourcese-Business Register · 1 min ago
e-Business Register ↗
Revenue
2k €
▲ 120% vs 2024
Employees
–
2025 annual report
Taxes paid
–
Tax debt
€0
As of 11.11.2026 (MTA)

Officers

e-Business Register · 21 h ago
MO
Marek Oolo
Born 1978 · 47 y · board member since 23.02.2012
Board member

Founders

e-Business Register · 21 h ago
MO
Marek Oolo
Born 1978 · 47 y · founder since 22.02.2012
Founder · 3k €

Shareholders

e-Business Register · 21 h ago
MO
Marek Oolo
Born 1978 · 47 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Subsidiaries

e-Business Register · shareholders · 21 h ago
Heat NRG OÜ12239195Shareholder 50%Tartu Kinnisvarahalduse OÜ11261962Shareholder 50%TKH Kinnisvara OÜ17236480
Heat NRG OÜ is a shareholder or officer in 2 more companies.

Annual reports (7)

e-Business Register · annual reports · 2 päeva tagasi
Revenue 2025
2k €
↗ +120% vs 2024
Employees 2025
0
YearRevenueProfitEquityAssetsEmployees

Tech stack

Tehnoloogiad
Mobile carrier
+372 56480162Telia Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
04.09.2026ReportEsitati 2025. aasta aruanne— Käive 2200 €
2025
01.07.2025ReportEsitati 2024. aasta aruanne— Käive 1000 €

Connected companies

Same-person ties · e-Business Register

Heat NRG OÜ is connected to 46 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Marek Oolo (46 companies).

Total connections
46
via 1 person
Connecting people
1
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Marek
46 companies
Via personMarek Oolo
20252200 €11 401 €26k €61k €004.09.2026
20241000 €10 654 €14k €154k €001.07.2025
20231240 €1240 €15k €15k €019.06.2024
20220 €0 €14k €14k €003.07.2023
20210 €0 €14k €14k €003.07.2023
20200 €0 €14k €14k €019.02.2021
20194500 €1284 €14k €14k €023.01.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
46
MO
Marek Oolo
board member, founder, shareholder 100%
46 other companies›
CompanyRoleReg. code
K-Grupp OÜ
Board memberFounder
11601234
Kambja vald, Räni alevik, Kuuseheki tn 31 korteriühistu
Board member
80664174
Luunja vald, Lohkva küla, Pillikoori põik 4 korteriühistu
Board member
80448855
Luunja vald, Lohkva küla, Salu tee 4 korteriühistu
Board member
80589461
Luunja vald, Lohkva küla, Salu tee 4b korteriühistu
Board member
80598141
Luunja vald, Veibri küla, Jõekaare tee 11 korteriühistu
Board member
80595639
Luunja vald, Veibri küla, Jõekaare tee 7 korteriühistu
Board member
80582571
Luunja vald, Veibri küla, Jõekaare tee 9 korteriühistu
Board member
80589484
Luunja vald, Veibri küla, Koidutähe tee 60 korteriühistu
Founder
80425143
Tartu Kinnisvarahalduse OÜ
FounderBoard member
11261962
Tartu KVH OÜ
FounderBoard memberShareholder 100%
12557765
Tartu linn, A. H. Tammsaare tn 8 korteriühistu
Board member
80019864
Tartu linn, Anne tn 49 korteriühistu
Board member
80051141
Tartu linn, Iirise tn 1 korteriühistu
Board member
80626601
Tartu linn, Iirise tn 10 // 12 korteriühistu
Board member
80615916
Tartu linn, Iirise tn 2 korteriühistu
Board member
80656826
… and 30 more · see on the person page ↗

Analysis · 2025

computed from annual reports
Revenue2k €median 30k €7% of the sector median
Net margin518.2%median 19.1%+499.2 pp vs sector median
Revenue change120.0%median 6.2%+113.8 pp vs sector median
Equity ratio42.4%
Current ratio1.74
Labour cost of revenue0.0%
Compared with2024revenue 1k €

Peer group: Muud insener-tehnilised tegevusalad, 706 trading companies that filed a report in the last three years.

Founded 2012. That year 8,029 osaühing were registered; 7,741 are still trading, or 96.4%.