ETENRU
RegisteredHarju County
Registry code
12465069
VAT number
EE101810432
Address
Harju maakond, Tallinn, Lasnamäe linnaosa, Narva mnt 128-76, 13628
Registered
29.04.2013 · 13 yrs
Activity
Other telecommunications activities 61901
Capital
2 500 €
Email
s•••@b•••.orgLog in to see
Phone
+372 •• ••••Log in to see
Website
www.buzak.org from email
Business Register 05.10.2026
Sales revenue9 934 €+82%2025 annual report
Profit295 €2025 annual report
Labour taxes per quarter0 €Tax Board 2026 Q2
Cash2 876 €Cash 31.12.2025, annual report
Tax debt0 €Tax Board debtor list 05.10.2026
Revenue 12 months8 942 €-3%Tax Board, last 4 quarters
State taxes 12 months4 109 €Tax Board, last 4 quarters
Tax debt since 26.09.2026 · ✓ no debt
Details ↓
Turnover by quarter · latest 920 €
01 6976 1111 4101 2435 800979920
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 05.10.2026 · 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 → A
In tax debt0 days since 26.09.2026
Revenue 12 months▼ 3% vs a year earlier
Notification when something changes
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
Sergei Buzak5 companiesno tax debtPersonal ID ↗29.04.2013
Shareholders 1
Sergei Buzak100,0% 2 500 €02.09.2023
Beneficial owners 1
Sergei Buzak5 companiesno tax debtdirect holding11.10.2018

Business Register open data

Quarterly taxes and revenue

2026 Q2
State taxes / revenue18,9%
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 Q2920 €▼ 35%0 €174 €—
2026 Q1979 €▼ 84%0 €154 €—
2025 Q45 800 €▲ 242%1 904 €3 391 €—
2025 Q31 243 €353 €390 €—
2025 Q21 410 €324 €611 €—
2025 Q16 111 €1 395 €1 712 €—
2024 Q41 697 €663 €1 615 €—
2024 Q30 €163 €711 €—
2024 Q20 €294 €976 €—
2024 Q10 €425 €1 414 €—
2023 Q40 €350 €1 164 €—
2023 Q30 €113 €375 €—
Show full history (18 quarters)
2023 Q20 €———
2023 Q10 €624 €626 €—
2022 Q42 033 €819 €1 760 €1
2022 Q30 €722 €1 428 €1
2022 Q22 550 €1 431 €1 704 €1
2022 Q110 200 €1 054 €2 024 €—

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 revenue9 934 €▲ 82%5 459 €0 €▼ 100%9 683 €▼ 75%38 728 €
Profit295 €▲ into profit-3 652 €▼ 60%-2 285 €▼ into loss7 402 €▼ 66%21 644 €
Profit margin3,0%-66,9%—76,4%55,9%
Retained earnings935 €▼ 80%4 587 €▼ 38%7 402 €▼ 65%21 131 €▲ into profit-513 €
Cash2 876 €▲ 29%2 226 €——12 735 €
Current assets3 890 €▼ 21%4 901 €▼ 76%20 403 €▼ 35%31 226 €▲ 11%28 235 €
Assets3 890 €▼ 21%4 901 €▼ 76%20 403 €▼ 35%31 226 €▲ 11%28 235 €
Current liabilities160 €▼ 89%1 466 €▲ 179%526 €▲ 173%193 €▼ 96%4 604 €
Total liabilities160 €▼ 89%1 466 €▲ 179%526 €▲ 173%193 €▼ 96%4 604 €
Equity3 730 €▲ 9%3 435 €▼ 83%19 877 €▼ 36%31 033 €▲ 31%23 631 €
Labour costs-7 673 €▼ 179%-2 754 €▼ 538%-432 €▲ 80%-2 120 €▲ 79%-10 148 €
Employees10%10▼ 100%10%1
Filed30.06.202629.04.202512.06.202412.05.202320.06.2022
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
Other telecommunications activities main activity619019 934 €100%

2025 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 05.10.2026

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

4

Top 20 in activity: Other telecommunications activities

20
#CompanyRevenue
1Wildix OÜ31,3 m €
2Novametro OÜ22,8 m €
3SmartTel Plus OÜ14,1 m €
4AllSpark OÜ10,4 m €
5Boku Network Services Estonia OÜ10,2 m €
6Riigiside Sihtasutus9,1 m €
7DOTT Telecom OÜ7,9 m €
8Boftel Estonia OÜ7,3 m €
9BSG Estonia OÜ5,2 m €
101oT OÜ4,9 m €
11OÜ ESTERIA.EE4,8 m €
12RebelRoam OÜ4,6 m €
13Arelion Estonia OÜ4,1 m €
14Corle OÜ3,9 m €
15ADVENTUS SOLUTIONS SIA Eesti filiaal2,9 m €
16RETN Baltic OÜ2,5 m €
17Aktsiaselts Telset2,5 m €
18Voxloud OÜ2,3 m €
19Eesti Lairiba Arenduse Sihtasutus2,3 m €
20Everexloud OÜ1,9 m €

NPS OÜ: place 137 /169

Similar size: OÜ Filmivõrk, kaabeldus ja paigaldus OÜ, Multilook OÜ, Biteful OÜ, A&R Projects OÜ, Meie Net OÜ, United Broadband Capital OÜ, Nettel Grupp OÜ, Smart Digital OÜ, Puzl Cloud OÜ

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

Domains

1 records

Domains

DomainSource
buzak.orgemail

History and notices

7
DateTypeContent
02.09.2023EntryAmendment entry
18.01.2018EntryAmendment entry
06.12.2017EntryAmendment entry
01.09.2016EntryAmendment entry
16.05.2014EntryAmendment entry
29.04.2014Order to remedy deficienciesAmendment entry
29.04.2013EntryFirst entry