ContactTerms
ET/EN/RU
EN
EestiEnglishРусский
nimistuEstonia'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
ContactTerms
ET/EN/RU
EN
EestiEnglishРусский
nimistu
Search›Companies›ProOpenSource OÜ
16258841ActivePrivate limited companyEE102386758 · VAT-registered

ProOpenSource OÜ

Harju maakond, Tallinn, Lasnamäe linnaosa, Sepapaja tn 6·EMTAK 62201 — Computer consultancy activities·4+ years
Andmed · ···
On this page
SanctionsOverviewOfficersShareholdersFoundersBeneficial ownersOther rolesForeign parentSubsidiariesFinancialsTax filingsPledgesPledges as creditorLicencesNoticesTech stackCourt rulingsTVK decisionsBlacklistLabour inspectorateHazardous facilityDPA decisionsTax-deductibleEU lobby registerTrademarksPatentsReal estateVehiclesGrantsProcurementsState paymentsActivityConnected companies
Extension

Right in search

nimistu card above Google, Bing and DuckDuckGo results.

Chrome→Firefox→Edge→
Free · ~14 KB
See the extension →

Overview

e-Business Register · 7 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
28.06.2021e-Business Register
Address
Sepapaja tn 6, Lasnamäe linnaosa, Tallinn, 15551 Harju maakondADS · e-Business Register
E-mail address
info@xolo.ioe-Business Register
Telephone
+491 5228662250e-Business Register
Principal activity
EMTAK 62201 - Computer consultancy activitiese-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2500,00 €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 · 4 min agoMTA
e-Business Register ↗

Registered 28. juuni 2021, primary activity: Computer consultancy activities. Main place of business in Lasnamäe linnaosa, Tallinn, Harju maakond.

Revenue 2026 (I kv)
1480 €
▼ 89% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
–
Tax debt
0 €
As of 25.06.2026 (MTA)
Revenue 2026 (I kv)
1k €
▼ 89% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
–
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 7 h ago
SJ
Stefanie Janine Stölting
Born 1962 · 63 y · board member since 28.06.2021
Board member

Founders

e-Business Register · 7 h ago
SJ
Stefanie Janine Stölting
Born 1962 · 63 y · founder since 28.06.2021
Founder · 3k €

Shareholders

e-Business Register · 7 h ago
SJ
Stefanie Janine Stölting
Born 1962 · 63 y · shareholder since 02.09.2023
Shareholder 100% · 3k €

Beneficial owners

e-Business Register · 7 h ago
SJ
Stefanie Janine Stölting
Born 1962 · 63 y · ultimate beneficial owner since 28.06.2021
Ultimate beneficial owner

Annual reports (5)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2025
51k €
↗ +179% vs 2024
Employees 2025
1
0.0% vs 2024
YearRevenueProfitEquityAssetsEmployees

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
50k €25k €0

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
13.04.2026ReportEsitati 2025. aasta aruanne— Käive 51 156 €
2025
15.04.2025ReportEsitati 2024. aasta aruanne— Käive 18 316 €
202551 156 €24 229 €25k €25k €113.04.2026
202418 316 €−9313 €570 €2k €115.04.2025
202319 678 €−4241 €11k €12k €112.03.2024
202249 791 €3766 €16k €17k €109.05.2023
202144 934 €29 472 €29k €33k €105.02.2022
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q1480 €–––
202552 863 €33 €20 €–
202417 372 €382 €113 €–
202319 856 €268 €9 €–
202264 872 €5000 €0 €–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20261k €–––
State taxes 2026––––
Taxes on workforce 2026––––
Employees 2026––––
Revenue 202513k €11k €1k €28k €
State taxes 202532 €––1 €
Taxes on workforce 202520 €––0 €
Employees 2025––––
Revenue 20241k €7k €8k €2k €
State taxes 2024––375 €7 €
Taxes on workforce 2024––113 €0 €
Employees 2024––––
Revenue 202315k €-1k €5k €1k €
State taxes 2023132 €136 €––
Taxes on workforce 20239 €0 €––
Employees 2023––––
Revenue 202222k €27k €8k €8k €
State taxes 2022–5k €––
Taxes on workforce 2022–0 €––
Employees 2022––––