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Search›Companies›Osaühing Sonatec
11387025ActivePrivate limited companyEE101150309 · VAT-registered

Osaühing Sonatec

Harju maakond, Tallinn, Haabersti linnaosa, Hansu tn 36/2-27·EMTAK 43221 — Installation, maintenance and repair of heating, ventilation and air conditioning equipment·19+ years
Andmed · ···
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Overview

e-Business Register · 10 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
14.05.2007e-Business Register
Address
Hansu tn 36/2-27, Haabersti linnaosa, Tallinn, 13523 Harju maakondADS · e-Business Register
E-mail address
oleg.sonatec@gmail.come-Business Register
Telephone
+372 56240260· Elisa Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 43221 - Installation, maintenance and repair of heating, ventilation and air conditioning equipmente-Business Register · ETCB
VAT number
ETCB · VAT-registered
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

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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 7 sourcese-Business Register · 7 min agoMTA
e-Business Register ↗

Registered 14. mai 2007, primary activity: Installation, maintenance and repair of heating, ventilation and air conditioning equipment. Main place of business in Haabersti linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
37 425 €
▲ 386% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
4
2026 (MTA)
Taxes paid
15 532 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 10.08.2026 (MTA)
Revenue 2026 (I-II kv)
79k €
▲ 77% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
4
2026 (MTA)
Taxes paid
30k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 10.08.2026 (MTA)

Tax debt over time

MTA · last 365 d
Current €0max 2k €
22 May 20261 Jul 202611 Aug 2026
30 days
−2k €
2216,71 € → 0,00 €
90 days
–
no data yet
365 days
–
no data yet

Officers

e-Business Register · 10 h ago
OS
Oleg Sergejev
Born 1966 · 60 y · board member since 14.05.2007
Board member

Founders

e-Business Register · 10 h ago
OS
Oleg Sergejev
Born 1966 · 60 y · founder since 14.05.2007
Founder

Shareholders

e-Business Register · 10 h ago
OS
Oleg Sergejev
Born 1966 · 60 y · shareholder since 01.09.2023
Shareholder 100%

Annual reports (7)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2025
129k €
↘ -13.8% vs 2024
State taxes 2025
32k €
↘ -13.8% vs 2024
Employees 2025
4
0.0% vs 2024
YearRevenueProfitEquityAssetsEmployees
2025129 222 €−23 785 €414k €434k €414.07.2026
2024149 960 €−132 824 €437k €457k €416.06.2025
202382 850 €−32 042 €570k €576k €418.06.2024
2022365 611 €
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
500k €250k €0
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I-II Q79 125 €21 893 €8340 €4
2025128 718 €32 370 €15 058 €4
202420 756 €37 554 €13 618 €4
202373 350 €25 410 €16 315 €4
2022368 108 €70 515 €
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202642k €37k €––
State taxes 202611k €11k €––
Taxes on workforce 20264k €4k €––
Employees 202644––
Revenue 202537k €8k €17k €67k €
State taxes 20257k €4k €

Tech stack

Tehnoloogiad
Mobile carrier
+372 56240260Elisa Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
21.07.2026TaxMaksuvõlg kasvas— +61 € (kokku 2278 €)
14.07.2026ReportEsitati 2025. aasta aruanne— Käive 129 222 €
22.05.2026TaxMaksuvõlg kasvas— +2217 € (kokku 2217 €)
2025
16.06.2025ReportEsitati 2024. aasta aruanne— Käive 149 960 €
−12 934 €
602k €
618k €
5
02.10.2023
202171 671 €−28 737 €615k €623k €503.07.2022
2020188 856 €2313 €644k €655k €529.07.2021
2019324 923 €15 443 €642k €677k €526.10.2020
36 068 €
4
7k €
14k €
Taxes on workforce 20254k €4k €4k €4k €
Employees 20254444
Revenue 202433k €16k €51k €-78k €
State taxes 20249k €5k €13k €11k €
Taxes on workforce 20243k €3k €3k €3k €
Employees 20244444
Revenue 2023213 €32k €22k €20k €
State taxes 20237k €7k €6k €6k €
Taxes on workforce 20237k €3k €3k €3k €
Employees 20234444
Revenue 2022105 €108k €227k €32k €
State taxes 20229k €16k €33k €13k €
Taxes on workforce 20229k €9k €9k €9k €
Employees 20224444

Analysis · 2025

computed from annual reports
Revenue129k €median 97k €1.3× the sector median
Net margin-18.4%median 2.9%-21.3 pp vs sector median
Revenue per employee32k €median 82k €39% of the sector median
Revenue change-13.8%median 0.1%-13.9 pp vs sector median
Equity ratio95.3%
Current ratio17.53
Labour cost of revenue37.3%
Profit per employee−5946 €
Compared with2024revenue 150k €

Peer group: Kütte-, ventilatsiooni- ja kliimaseadmete paigaldus, remont ja hooldus, 769 trading companies that filed a report in the last three years.

Founded 2007. That year 5,023 osaühing were registered; 4,874 are still trading, or 97.0%.