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Search›Companies›Seilen OÜ
17177085ActivePrivate limited companyEE102830398 · VAT-registered

Seilen OÜ

Harju maakond, Tallinn, Pirita linnaosa, Kressi tee 92·EMTAK 7112 — Engineering activities and related technical consultancy·1+ years
Andmed · ···
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Overview

e-Business Register · 20 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
13.02.2025e-Business Register
Address
Kressi tee 92, Pirita linnaosa, Tallinn, 11913 Harju maakondADS · e-Business Register
E-mail address
marleen.lobjakas@gmail.come-Business Register
Telephone
+372 55573350· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 7112 - Engineering activities and related technical consultancye-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
1,00 €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
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  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 7 sourcese-Business Register · 1 min agoMTA
e-Business Register ↗

Registered 13. veebruar 2025, primary activity: Engineering activities and related technical consultancy. Main place of business in Pirita linnaosa, Tallinn, Harju maakond.

Revenue 2026 (I kv)
20 134 €
▲ 1242% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
3675 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)
Revenue 2026 (I kv)
20k €
▲ 1242% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
4k €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers (2)

e-Business Register · 20 h ago
MS
Marleen Seilenthal
· board member since 13.02.2025
Board member
SS
Sander Seilenthal
Born 1993 · 33 y · board member since 13.02.2025
Board member

Founders

e-Business Register · 20 h ago
MS
Marleen Seilenthal
· founder since 12.02.2025
Founder · 1 €

Shareholders

e-Business Register · 20 h ago
MS
Marleen Seilenthal
· shareholder since 13.02.2025
Shareholder 100% · 1 €

Beneficial owners (2)

e-Business Register · 20 h ago
MS
Marleen Seilenthal
· ultimate beneficial owner since 13.02.2025
Ultimate beneficial owner
SS
Sander Seilenthal
Born 1993 · 33 y · ultimate beneficial owner since 13.02.2025
Ultimate beneficial owner

Annual reports (1)

e-Business Register · annual reports · 5 päeva tagasi
YearRevenueProfitEquityAssetsEmployees
202522 004 €79 €80 €4k €022.01.2026
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 · 10.04.2026 as of
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q20 134 €3423 €252 €1
202517 623 €1421 €0 €–
Quarterly breakdown
YearQ1Q2

Tech stack

Tehnoloogiad
Mobile carrier
+372 55573350Telia Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
22.01.2026ReportEsitati 2025. aasta aruanne— Käive 22 004 €
2025
17.03.2025FilingOsanike muutmine— Ä 50275742 / 2 · Olek: Jõustunud
18.02.2025FilingOsanike muutmine— Ä 50275742 / M1 · Olek: Jõustunud
13.02.2025OfficerSai osanikuks— Marleen Seilenthal · · 100 %

Connected companies

Same-person ties · e-Business Register

Seilen OÜ is connected to 3 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Marleen Seilenthal (2 companies).

Total connections
3
via 2 people
Connecting people
2
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Marleen
2 companies
Via personMarleen Seilenthal
Q3
Q4
Revenue 202620k €–––
State taxes 20263k €–––
Taxes on workforce 2026252 €–––
Employees 20261–––
Revenue 20252k €4k €5k €8k €
State taxes 2025330 €0 €1k €0 €
Taxes on workforce 20250 €0 €0 €0 €
Employees 2025––––
13.02.2025
OfficerLisati tegelikuks kasusaajaks2×expand ›hide ⌃
  • Sander Seilenthal
  • Marleen Seilenthal
13.02.2025OfficerAstus juhatusse2×expand ›hide ⌃
  • Sander Seilenthal
  • Marleen Seilenthal
13.02.2025FilingEsmakanne2×expand ›hide ⌃
  • Ä 50275742 · Olek: Jõustunud
  • Kanne nr 1 · kanne
12.02.2025OfficerAsutas ettevõtte— Marleen Seilenthal
2
Sander Seilenthal1
MS
Marleen Seilenthal
board member, founder, shareholder 100%, ultimate beneficial owner
2 other companies›
CompanyRoleReg. code
Kvalify OÜ
Board memberShareholder 50%Ultimate beneficial owner
12514158
Merivälja Selts
Board memberUltimate beneficial owner
80126880
SS
Sander Seilenthal
board member, ultimate beneficial owner
1 other company›
CompanyRoleReg. code
Hörmann Eesti OÜ
Board member
11147373