Heat NRG OÜ

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RegisteredTartu County

Registry code: 12239195
VAT number: not VAT registered
Address: Tartu maakond, Tartu linn, Tartu linn, Siili tn 6-2, 50104
Registered: 23.02.2012 · 14 yrs
Activity: Engineering activities and related technical consultancy 71129
Capital: 2 500 €
Email: m•••@t•••.eeLog in to see
Phone: +372 5•• ••••Log in to see

Business Register 06.10.2026

Annual report 2025 not filed, deadline was 30.06.2026

Sales revenue1 000 €-19%2024 annual report

Profit10 654 €2024 annual report

Employees02024 annual report

Cash9 394 €Cash 31.12.2024, annual report

Tax debt0 €Tax Board debtor list 06.10.2026

Tax debt since 26.09.2026 · ✓ no debt

Details ↓

Firmo rating

BBB

Rahuldav, keskmine risk

73 / 100 points

CBBBBBBAAAAAA

View credit report Report a debt How the rating is calculatedCalculated 06.10.2026 · open data

Quick check

No tax debt
No enforcement proceedings (12 months)
No payment orders (12 months)
No bankruptcy or liquidation
No sanctions
Report filed (2024)
Not VAT registered

Stability

RatingBBB since 26.09.2026

In tax debt0 days since 26.09.2026

Email right away on tax debt, bankruptcy or board change

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Data

Board and owners

1 persons

Show persons' backgroundNumber of active companies, tax debt and bankruptcy. Facts, not an assessment.

Board 1
Marek Oolo45 companiesno tax debt	Personal ID ↗	23.02.2012
Shareholders 1
Marek Oolo	100,0% 2 500 €	01.09.2023
Beneficial owners 1
Marek Oolo45 companiesno tax debtdirect holding		03.09.2018

Business Register open data

Quarterly taxes and revenue

No Tax Board data

Annual reports

4 yr

Build report

	2024		2023		2022		2021
Sales revenue	1 000 €	▼ 19%	1 240 €		0 €		0 €
Profit	10 654 €	▲ 759%	1 240 €		0 €		0 €
Profit margin	1065,4%		100,0%		—		—
Retained earnings	1 240 €		0 €		0 €		0 €
Cash	9 394 €		—		—		—
Current assets	154 k €	▲ 903%	15 397 €	▲ 9%	14 157 €	0%	14 157 €
Assets	154 k €	▲ 903%	15 397 €	▲ 9%	14 157 €	0%	14 157 €
Current liabilities	140 k €		0 €		0 €		0 €
Total liabilities	140 k €		0 €		0 €		0 €
Equity	14 394 €	▼ 7%	15 397 €	▲ 9%	14 157 €	0%	14 157 €
Labour costs	0 €		0 €		0 €		0 €
Employees	0		0		0		0
Filed	01.07.2025		19.06.2024		03.07.2023		03.07.2023
Report	PDF ↓		PDF ↓		PDF ↓		PDF ↓

▲ growth, ▼ decline compared to the previous year (growth in liabilities is red). Business Register, annual reports. CC BY 4.0

Revenue by activity

2024

Activity	EMTAK	Sales revenue	Osa
Technical testing and analysis main activity	71209	1 000 €	100%

2024 annual report, RIK open data

Real estate

e-kinnistusraamat

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Source: e-kinnistusraamat (Centre of Registers and Information Systems), basic data

Debts and court cases

clean

No tax debt · Tax Board 06.10.2026

Tax Board debtor list (daily), Official Announcements, State Gazette. The Tax Board publishes only today's list; earlier history is collected by Firmo.

Enforcement, payment orders and notices

clean

Official Announcements contain no enforcement, payment order or tax authority notices about the company.

Official Announcements (CC BY-SA 4.0). Enforcement proceedings, payment orders or tax decisions are published there only if they cannot be delivered to the company otherwise. The enforcement register is not public, so the absence of a notice does not mean there are no claims.

State: transactions, tenders, grants

none

No transactions with state agencies, procurement contracts or grants found

RTK Saldo, Riigihangete register, RTK toetatud projektid

Holdings in other companies

Company	Code	Holding	Since	Revenue
Tartu Kinnisvarahalduse OÜ	11261962	50,0%	18.10.2024	1,1 m €
TKH Kinnisvara OÜ	17236480	50,0%	08.05.2025	21 328 €

Business Register

Companies linked via the board

Sorted by revenue (latest report or 4 quarters).

Top 20 in activity: Engineering activities and related technical consultancy

#	Company	Revenue
1	Repligen Estonia OÜ	14,7 m €
2	Filter Solutions OÜ	8,7 m €
3	SASTransition OÜ	8,3 m €
4	Alvigo AS	5,0 m €
5	Saksa Automaatika OÜ	4,8 m €
6	Teleplan Estonia Osaühing	4,2 m €
7	RMEnergy OÜ	4,1 m €
8	Aindpro Automation OÜ	3,8 m €
9	OSAÜHING TEAMSTER	3,2 m €
10	Aktsiaselts Teede Tehnokeskus	3,2 m €
11	Evecon OÜ	2,4 m €
12	Ngi2 Technologies OÜ	2,1 m €
13	Baltic RCC OÜ	2,0 m €
14	Rero Marketing & Advertisement Osaühing	1,9 m €
15	Westering OÜ	1,7 m €
16	Ingenium Baltic OÜ	1,4 m €
17	SMITECH OÜ	1,3 m €
18	Osaühing FRENDIT	1,2 m €
19	Maves OÜ	1,2 m €
20	Kronmarin OÜ	1,1 m €

Heat NRG OÜ: place 669 /734

Revenue from the latest annual report, otherwise Tax Board revenue for 4 quarters. All companies in this activity

Licences, pledges, domains

No data

History and notices

Date	Type	Content
01.09.2023	Entry	Amendment entry
17.01.2018	Entry	Amendment entry
19.12.2017	Entry	Amendment entry
02.12.2017	Entry	Amendment entry
29.02.2016	Warning order on deletion from the register: annual report not filed	Kustutamiskanne dokumentide hoidjata
11.12.2014	Entry	Muutmiskanne ÄS § 525 lg 2 alusel
23.02.2012	Entry	First entry