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Search›Companies›ContaSon OÜ
16765667ActivePrivate limited company

ContaSon OÜ

Harju maakond, Kose vald, Kose-Uuemõisa alevik, Vanatoa tn 18·EMTAK 69202 — Bookkeeping, tax consulting·3+ years
Andmed · ···
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Overview

e-Business Register · 14 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
26.06.2023e-Business Register
Address
Vanatoa tn 18, Kose-Uuemõisa alevik, Kose vald, 75102 Harju maakondADS · e-Business Register
E-mail address
marit.sonn@gmail.come-Business Register
Principal activity
EMTAK 69202 - Bookkeeping, tax consultinge-Business Register · ETCB
Share capital
0,01 €e-Business Register
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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  • Activity licences
  • Recent registrations

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  • 79 sources
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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Revenue
39 714 €
▲ 1% vs 2024
Employees
–
2025 annual report
Taxes paid
–
Tax debt
0 €
As of 09.08.2026 (MTA)

Registered 26. juuni 2023, primary activity: Bookkeeping, tax consulting. Main place of business in Kose-Uuemõisa alevik, Kose vald, Harju maakond.

Data · 5 sourcese-Business Register · 6 min ago
e-Business Register ↗
Revenue
40k €
▲ 1% vs 2024
Employees
–
2025 annual report
Taxes paid
–
Tax debt
€0
As of 09.08.2026 (MTA)

Officers

e-Business Register · 14 h ago
MS
Marit Sonn
Born 1984 · 41 y · board member since 26.06.2023
Board member

Founders

e-Business Register · 14 h ago
MS
Marit Sonn
Born 1984 · 41 y · founder since 26.06.2023
Founder · 0,01 €

Shareholders

e-Business Register · 14 h ago
MS
Marit Sonn
Born 1984 · 41 y · shareholder since 02.09.2023
Shareholder 100% · 0,01 €

Annual reports (3)

e-Business Register · annual reports · 4 päeva tagasi
Revenue 2025
40k €
↗ +1.4% vs 2024
Employees 2025
0
YearRevenueProfitEquityAssetsEmployees

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
30.06.2026ReportEsitati 2025. aasta aruanne— Käive 39 714 €
2025
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 39 171 €

Connected companies

Same-person ties · e-Business Register

ContaSon OÜ is connected to 3 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Marit Sonn (3 companies).

Total connections
3
via 1 person
Connecting people
1
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Marit
3 companies
Via personMarit Sonn
2025
39 714 €
39 714 €
68k €
70k €
0
30.06.2026
202439 171 €−10 829 €28k €28k €030.06.2025
202338 829 €38 829 €39k €39k €030.06.2024
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
3
MS
Marit Sonn
board member, founder, shareholder 100%
3 other companies›
CompanyRoleReg. code
Contamar OÜ
Board memberShareholder 100%Founder
12424366
Somerlen OÜ
Board member
11949368
TRIVOLI OÜ
Board member
10202992

Analysis · 2025

computed from annual reports
Revenue40k €median 15k €2.6× the sector median
Net margin100.0%median 14.1%+85.9 pp vs sector median
Revenue change1.4%median 2.2%-0.8 pp vs sector median
Equity ratio96.2%
Current ratio4.00
Labour cost of revenue0.0%
Compared with2024revenue 39k €

Peer group: Raamatupidamine, maksualane nõustamine, 6,319 trading companies that filed a report in the last three years.

Founded 2023. That year 19,350 osaühing were registered; 18,818 are still trading, or 97.3%.