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Search›Companies›ATK Group OÜ
11766857ActivePrivate limited companyEE101333812 · VAT-registered

ATK Group OÜ

Harju maakond, Tallinn, Lasnamäe linnaosa, Tuulemäe tn 7-6·EMTAK 68329 — Other real estate management or related activities·16+ years
Andmed · ···
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Overview

e-Business Register · 12 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
19.11.2009e-Business Register
Address
Tuulemäe tn 7-6, Lasnamäe linnaosa, Tallinn, 11411 Harju maakondADS · e-Business Register
E-mail address
atkgrou@gmail.come-Business Register
Telephone
+372 55660305· Elisa Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 68329 - Other real estate management or related activitiese-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2556,00 €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

Browse

  • Home
  • Views
  • Industries
  • Recent registrations

Data

  • 72 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • For journalists
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 7 sourcese-Business Register · just nowMTA
e-Business Register ↗

Registered 19. november 2009, primary activity: Other real estate management or related activities. Main place of business in Lasnamäe linnaosa, Tallinn, Harju maakond.

Revenue 2026 (I kv)
472 €
▲ 28% vs 2023
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
113 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)
Revenue 2026 (I kv)
472 €
▲ 28% vs 2023
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
113 €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 12 h ago
KM
Katerina Mamontova
Born 2006 · 20 y · board member since 27.04.2026
Board member

Founders

e-Business Register · 12 h ago
TM
Tatjana Mamontova
Born 1981 · 45 y · founder since 18.11.2009
Founder

Shareholders

e-Business Register · 12 h ago
TM
Tatjana Mamontova
Born 1981 · 45 y · shareholder since 02.09.2023
Shareholder 100% · 3k €

Beneficial owners

e-Business Register · 12 h ago
TM
Tatjana Mamontova
Born 1981 · 45 y · ultimate beneficial owner since 22.10.2018
Ultimate beneficial owner

Annual reports (6)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
10k €
↗ +28.0% vs 2023
Employees 2024
0
YearRevenueProfitEquityAssetsEmployees

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q472 €113 €0 €–
2025I-IV Q1160 €673 €0 €–
2024–266 €0 €–
2023–

Tech stack

Tehnoloogiad
Mobile carrier
+372 55660305Elisa Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
27.04.2026OfficerAstus juhatusse— Katerina Mamontova
27.04.2026FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 10137041 / 9 · Olek: Jõustunud
  • Kanne nr 9 · kanne
2025
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 9600 €

Connected companies

Same-person ties · e-Business Register

ATK Group OÜ is connected to 2 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Tatjana Mamontova (2 companies).

Total connections
2
via 1 person
Connecting people
1
Active here
Distinct roles
3
Founder · Shareholder
Strongest tie
Tatjana
2 companies
Via personTatjana Mamontova
20249600 €9269 €19k €61k €030.06.2025
20237500 €7223 €10k €51k €029.06.2024
20220 €3 €3k €43k €005.06.2023
20210 €3 €3k €43k €029.06.2022
20200 €3 €3k €43k €017.06.2021
20190 €5 €3k €43k €027.12.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
242 €
0 €
–
2022–242 €0 €–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2026472 €–––
State taxes 2026113 €–––
Taxes on workforce 20260 €–––
Employees 2026––––
Revenue 2025––861 €299 €
State taxes 2025199 €–203 €271 €
Taxes on workforce 20250 €–0 €0 €
Employees 2025––––
Revenue 2024––––
State taxes 2024–133 €–133 €
Taxes on workforce 2024–0 €–0 €
Employees 2024––––
Revenue 2023––––
State taxes 2023121 €––121 €
Taxes on workforce 20230 €––0 €
Employees 2023––––
Revenue 2022––––
State taxes 2022121 €––121 €
Taxes on workforce 20220 €––0 €
Employees 2022––––
14.05.2025
FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 10137041 / 8 · Olek: Jõustunud
  • Kanne nr 8 · kanne
2024
29.06.2024ReportEsitati 2023. aasta aruanne— Käive 7500 €
2
TM
Tatjana Mamontova
founder, shareholder 100%, ultimate beneficial owner
2 other companies›
CompanyRoleReg. code
Osaühing BETRESTON
Shareholder 50%
10219129
VALKET OÜ
Ultimate beneficial ownerShareholder 100%
10756733