ETENRU
RegisteredTartu County
Registry code
12304389
VAT number
EE101749794
Address
Tartu maakond, Tartu vald, Maramaa küla, Sugametsa vkt 16, 60517
Registered
20.06.2012 · 14 yrs
Activity
Plumbing, heat and air-conditioning installation 43222
Capital
2 500 €
Email
m•••@g•••.comLog in to see
Phone
+372 5•• ••••Log in to see
Business Register 06.10.2026
Sales revenue10 351 €+52%2025 annual report
Profit-280 €2025 annual report
Labour taxes per quarter0 €Tax Board 2026 Q2
Cash6 668 €Cash 31.12.2025, annual report
Tax debt0 €Tax Board debtor list 06.10.2026
Revenue 12 months11 148 €+44%Tax Board, last 4 quarters
State taxes 12 months1 485 €Tax Board, last 4 quarters
Tax debt since 26.09.2026 · ✓ no debt
Details ↓
Turnover by quarter · latest 3 671 €
1 5371 1252 5062 5594 3521 4441 6813 671
III 24IV 24I 25II 25III 25IV 25I 26II 26
Chart ↓
Firmo rating
A
Good, low risk
80 / 100 points
CBBBBBBAAAAAA
View credit reportReport a debtHow 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 (2025)
  • VAT registered
Stability
RatingAA → AAA → A
In tax debt0 days since 26.09.2026
Revenue 12 months▲ 44% vs a year earlier
Email right away on tax debt, bankruptcy or board change
Add the rating badge to your website

The badge code is available to this company's verified account: verification uses a code we send to the company email in the Business Register. The badge updates itself and cannot be bought. Read more

Data

Board and owners

1 persons
Number of active companies, tax debt and bankruptcy. Facts, not an assessment.
Board 1
Mart Oja1 companyno tax debtPersonal ID ↗20.06.2012
Shareholders 1
Mart Oja100,0% 2 500 €01.09.2023
Beneficial owners 1
Mart Oja1 companyno tax debtdirect holding28.09.2018

Business Register open data

Quarterly taxes and revenue

2026 Q2
State taxes / revenue16,3%
Labour taxes / revenue0,0%
Revenue per employee per month—
Gross salary (estimate)—
Net salary (estimate)—

2026 Q2. Wage is estimated from employment taxes.

Build report

QuarterRevenueChange y/yLabour taxesState taxesEmployees
2026 Q23 671 €▲ 43%0 €598 €—
2026 Q11 681 €▼ 33%0 €153 €—
2025 Q41 444 €▲ 28%0 €175 €—
2025 Q34 352 €▲ 183%0 €559 €—
2025 Q22 559 €▲ 33%0 €378 €—
2025 Q12 506 €▲ 97%0 €171 €—
2024 Q41 125 €▲ 76%0 €107 €—
2024 Q31 537 €▼ 63%0 €60 €—
2024 Q21 931 €▼ 73%0 €231 €—
2024 Q11 274 €▼ 19%0 €30 €—
2023 Q4640 €▼ 82%———
2023 Q34 140 €▲ 36%0 €482 €—
Show full history (18 quarters)
2023 Q27 103 €▲ 556%0 €1 051 €—
2023 Q11 575 €▼ 1%0 €230 €—
2022 Q43 525 €0 €397 €—
2022 Q33 040 €0 €324 €—
2022 Q21 083 €0 €85 €—
2022 Q11 585 €0 €79 €—

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 revenue10 351 €▲ 52%6 807 €▼ 48%13 123 €▲ 36%9 618 €▲ 3%9 376 €
Profit-280 €▼ 68%-167 €▼ into loss1 158 €▲ into profit-564 €▲ 38%-908 €
Profit margin-2,7%-2,5%8,8%-5,9%-9,7%
Retained earnings4 901 €▼ 3%5 068 €▲ 30%3 910 €▼ 13%4 475 €▼ 17%5 383 €
Cash6 668 €▼ 13%7 649 €———
Current assets7 377 €▼ 4%7 657 €▼ 2%7 824 €▲ 11%7 026 €▼ 6%7 498 €
Fixed assets————0 €
Assets7 377 €▼ 4%7 657 €▼ 2%7 824 €▲ 11%7 026 €▼ 6%7 498 €
Current liabilities0 €0 €0 €▼ 100%360 €▲ 20%300 €
Total liabilities0 €0 €0 €▼ 100%360 €▲ 20%300 €
Equity7 377 €▼ 4%7 657 €▼ 2%7 824 €▲ 17%6 666 €▼ 7%7 198 €
Labour costs0 €0 €0 €0 €0 €
Employees00000
Filed28.07.202626.09.202528.06.202423.08.202306.02.2022
ReportPDF ↓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

2025
ActivityEMTAKSales revenueOsa
Plumbing, heat and air-conditioning installation main activity4322210 351 €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 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

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
1Osaühing FIRETEK7,0 m €
2osaühing Hanken3,3 m €
3Osaühing Tomex Tööd3,1 m €
4AS Lavateir2,5 m €
5APK Ehitus OÜ2,0 m €
6SanTrust OÜ2,0 m €
7DRIMMAX OÜ1,9 m €
8OÜ Mangano1,9 m €
9OÜ SanBerg1,8 m €
10A&O HOLDING OÜ1,6 m €
11Koduspa OÜ1,5 m €
12Nikos Grupp OÜ1,4 m €
13Silfer OÜ1,3 m €
14SRT Toru & Ventilatsioonitööd OÜ1,1 m €
15DENSAN OÜ1,1 m €
16OÜ KODUSOOJUS1,1 m €
17RIVOCO OÜ970 k €
18OÜ JUNTSON HALDUS896 k €
19Torusellid OÜ835 k €
20TRT torutööd OÜ776 k €

Martoja OÜ: place 397 /486

Similar size: R&SK Teenused OÜ, Pahk-L OÜ, TORUKÜTTE OÜ, OÜ VEIXTOR, RO Engineering OÜ, Jaak Nirk OÜ, Osaühing craftsmaster systems, OÜ Answer, VIKTAN OÜ, OÜ Teikus

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

8
DateTypeContent
01.09.2023EntryAmendment entry
10.05.2021Trahvihoiatusmäärus: majandusaasta aruanne esitamata
16.04.2018Warning order on deletion from the register: annual report not filed
18.01.2018EntryAmendment entry
02.12.2017EntryAmendment entry
19.06.2013EntryAmendment entry
20.06.2012EntryFirst entry
20.06.2012Order to remedy deficienciesFirst entry