ETENRU
RegisteredHarju County
Registry code
11928751
VAT number
EE101365398
Address
Harju maakond, Tallinn, Mustamäe linnaosa, E. Vilde tee 82-89, 12917
Registered
21.04.2010 · 16 yrs
Activity
Plumbing, heat and air-conditioning installation 43221
Capital
40 000 €
Email
k•••@c•••.eeLog in to see
Phone
+372 5•• ••••Log in to see
Business Register 03.10.2026
Sales revenue122 k €-5%2025 annual report
Profit-17 564 €2025 annual report
Employees2Tax Board 2026 Q2
Average gross salary652 €estimate, Tax Board 2026 Q2
Labour taxes per quarter1 994 €Tax Board 2026 Q2
Cash18 391 €Cash 31.12.2025, annual report
Tax debt0 €Tax Board debtor list 03.10.2026
Revenue 12 months154 k €+35%Tax Board, last 4 quarters
State taxes 12 months14 605 €Tax Board, last 4 quarters
Tax debt since 26.09.2026 · ✓ no debt
Details ↓
Turnover by quarter · latest 40 172 €
27 k40 k26 k21 k35 k43 k37 k40 k
III 24IV 24I 25II 25III 25IV 25I 26II 26
Chart ↓
Firmo rating
A
Hea, madal risk
80 / 100 points
CBBBBBBAAAAAA
View credit reportReport a debtHow the rating is calculatedCalculated 03.10.2026 · 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 (2025)
  • VAT registered
Stability
RatingA → AA → A
In tax debt0 days since 26.09.2026
Revenue 12 months▲ 35% aasta varasemaga
Notification when something changes
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Data

Board and owners

1 persons
Number of active companies, tax debt and bankruptcy. Facts, not an assessment.
Board 1
Konstantin Antonenko1 companyno tax debtPersonal ID ↗27.04.2010
Shareholders 1
Konstantin Antonenko100,0% 40 000 €02.09.2023
Beneficial owners 1
Konstantin Antonenko1 companyno tax debtotsene osalus20.10.2018

Business Register open data

Quarterly taxes and revenue

2026 Q2
State taxes / revenue13,4%
Labour taxes / revenue5,0%
Revenue per employee per month6 695 €
Gross salary (estimate)652 €
Net salary (estimate)628 €

2026 Q2. Wage is estimated from employment taxes.

Build report

QuarterRevenueChange y/yLabour taxesState taxesEmployees
2026 Q240 172 €▲ 90%1 994 €5 383 €2
2026 Q136 541 €▲ 41%1 468 €2 499 €2
2025 Q442 647 €▲ 6%1 232 €3 710 €1
2025 Q335 060 €▲ 29%1 232 €3 013 €1
2025 Q221 193 €▼ 38%1 232 €1 711 €1
2025 Q125 941 €▼ 12%1 173 €3 235 €1
2024 Q440 348 €▼ 11%1 054 €4 279 €1
2024 Q327 092 €▲ 6%1 054 €3 182 €1
2024 Q234 452 €▲ 13%1 054 €2 362 €1
2024 Q129 362 €▼ 35%977 €2 335 €1
2023 Q445 233 €▲ 59%939 €2 848 €1
2023 Q325 638 €▲ 10%939 €3 214 €1
Näita kogu ajalugu (18 kvartalit)
2023 Q230 529 €▲ 82%939 €3 338 €1
2023 Q145 033 €▲ 175%836 €3 897 €1
2022 Q428 481 €863 €2 404 €1
2022 Q323 277 €863 €2 260 €1
2022 Q216 734 €863 €1 876 €1
2022 Q116 368 €814 €1 919 €1

Tax and Customs Board, published on the 10th of the month following the quarter. State taxes include employment taxes. CC BY-SA 3.0

Annual reports

5 yr
Build report

20252024202320222021
Sales revenue122 k €▼ 5%129 k €▼ 14%149 k €▲ 76%84 514 €▼ 16%101 k €
Profit-17 564 €▼ 361%-3 814 €▼ miinusesse23 982 €▲ plussi-12 030 €▼ 11×-1 082 €
Profit margin-14,4%-3,0%16,1%-14,2%-1,1%
Jaotamata kasum77 323 €▼ 5%81 137 €▲ 42%57 155 €▼ 17%69 185 €▼ 2%70 267 €
Cash18 391 €▼ 61%47 517 €▲ 1%47 068 €▲ 11%42 584 €▲ 14%37 362 €
Current assets57 264 €▼ 31%82 859 €▲ 3%80 521 €▲ 7%75 234 €▲ 2%73 441 €
Põhivara6 960 €0%6 960 €▼ 11%7 830 €——
Assets64 224 €▼ 28%89 819 €▲ 2%88 351 €▲ 17%75 234 €▲ 2%73 441 €
Current liabilities1 909 €▼ 81%9 940 €▲ 113%4 658 €▼ 70%15 523 €▲ 813%1 700 €
Total liabilities1 909 €▼ 81%9 940 €▲ 113%4 658 €▼ 70%15 523 €▲ 813%1 700 €
Equity62 315 €▼ 22%79 879 €▼ 5%83 693 €▲ 40%59 711 €▼ 17%71 741 €
Tööjõukulud-15 591 €▼ 12%-13 964 €▼ 10%-12 747 €▼ 13%-11 300 €▼ 15%-9 804 €
Employees10%10%10%10%1
Filed08.06.202604.06.202511.04.202416.01.202308.02.2022
ReportIn the Business Register ↗In the Business Register ↗In the Business Register ↗In the Business Register ↗In the Business Register ↗

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

Revenue by activity

2025
ActivityEMTAKSales revenueOsa
Kütte-, ventilatsiooni- ja kliimaseadmete paigaldus main activity43221122 088 €100%

2025 annual report, RIK open data

Real estate

e-kinnistusraamat

Loading properties…

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

Debts and court cases

clean
No tax debt · Tax Board 03.10.2026

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

0

No holdings in other companies

Companies linked via the board

0

No linked companies found

Top 20 in activity: Plumbing, heat and air-conditioning installation

20
#CompanyRevenue
1Aktsiaselts COMFORT AE13,5 m €
2aktsiaselts Pristis13,5 m €
3Aktsiaselts Clik12,4 m €
4City Kliima OÜ9,1 m €
5Zehnder Baltics OÜ8,9 m €
6Fresh-Est OÜ7,5 m €
7AS SKAT-KESKUS6,4 m €
8OÜ Element Grupp6,3 m €
9osaühing Viljandi Õhumeister6,1 m €
10Maaküte OÜ6,0 m €
11Abertson OÜ5,9 m €
12AIT-Nord OÜ5,8 m €
13AS Ecomatic5,5 m €
14Kliimakaubamaja OÜ4,8 m €
15Caverion Eesti AS4,6 m €
16Aktsiaselts Napal4,1 m €
17Feliton Grupp OÜ3,8 m €
18ELTEKS EHITUS OÜ3,7 m €
19MRG System OÜ3,6 m €
20KODA Ehitus OÜ3,1 m €

Constant Hooldus OÜ: koht 358 / 804

Sarnase suurusega: AVK Hooldus OÜ, vent356 OÜ, OÜ Greenspirit, Lechat OÜ, OÜ FreeForm, Tromtrade OÜ, HeatCom OÜ, OK Air OÜ, RJV Ehitus OÜ, OÜ Viisep

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

Licences, domains

2 records

Activity licences (MTR and environmental)

FieldLicence numberValid from
GaasitöödTGT00032229.05.2013

Domains

DomainSource
constant.eeemail

History and notices

6
DateLiikSisu
02.09.2023KanneMuutmiskanne
17.01.2018KanneMuutmiskanne
01.12.2017KanneMuutmiskanne
15.08.2016KanneMuutmiskanne ÄS § 525 lg 2 alusel
27.04.2010KanneMuutmiskanne
21.04.2010KanneEsmakanne