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Address: Parda tn 8, 10151 Tallinn, Estonia
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Search›Companies›Interface OÜ
14438384ActivePrivate limited companyEE102388167 · VAT-registered

Interface OÜ

Harju maakond, Viimsi vald, Pringi küla, Tammiku tee 18·EMTAK 70221 — Ärinõustamine jm juhtimisalane nõustamine·8+ years
Andmed · ···
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Overview

e-Business Register · 12 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
28.02.2018e-Business Register
Address
Tammiku tee 18, Pringi küla, Viimsi vald, 74001 Harju maakondADS · e-Business Register
E-mail address
kai.siinmaa@gmail.come-Business Register
Principal activity
EMTAK 70221 - Ärinõustamine jm juhtimisalane nõustaminee-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 · just nowMTA
e-Business Register ↗

Registered 28. veebruar 2018, primary activity: Ärinõustamine jm juhtimisalane nõustamine. Main place of business in Pringi küla, Viimsi vald, Harju maakond.

Revenue 2026 (I kv)
0 €
▼ NaN% vs 2023
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
–
Tax debt
0 €
As of 25.06.2026 (MTA)
Revenue 2026 (I kv)
0 €
▼ NaN% vs 2023
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
–
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 12 h ago
KS
Kai Siinmaa
Born 1966 · 60 y · board member since 28.02.2018
Board member

Founders

e-Business Register · 12 h ago
KS
Kai Siinmaa
Born 1966 · 60 y · founder since 27.02.2018
Founder · 3k €

Shareholders (3)

e-Business Register · 12 h ago
KS
Kai Siinmaa
Born 1966 · 60 y · shareholder since 01.09.2023
Shareholder 60% · 2k €
MS
Mihkel Siinmaa
Born 1992 · 33 y · shareholder since 01.09.2023
Shareholder 20% · 500 €
PS
Paula Siinmaa
Born 1989 · 36 y · shareholder since 01.09.2023
Shareholder 20% · 500 €

Beneficial owners

e-Business Register · 12 h ago
KS
Kai Siinmaa
Born 1966 · 60 y · ultimate beneficial owner since 04.11.2018
Ultimate beneficial owner

Annual reports (6)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
0 €
Employees 2024
0
YearRevenueProfitEquityAssetsEmployees
2024

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
200 €100 €0

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 0 €
2024
03.07.2024ReportEsitati 2023. aasta aruanne— Käive 0 €

Connected companies

Same-person ties · e-Business Register

Interface OÜ is connected to 8 other companies through 3 people who hold a role here and elsewhere. The strongest tie runs through Kai Siinmaa (4 companies).

Total connections
8
via 3 people
Connecting people
3
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Kai
4 companies
Via personKai Siinmaa
0 €
1408 €
9k €
9k €
0
30.06.2025
20230 €−46 €7k €8k €003.07.2024
20220 €−10 €7k €8k €022.01.2023
202124 000 €−4295 €7k €8k €122.01.2023
202012 000 €11 316 €21k €21k €010.05.2022
20195317 €5286 €9k €10k €008.07.2020
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 Q0 €–––
2025157 €1489 €1501 €–
20240 €–––
20230 €–––
20220 €–––
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20260 €–––
State taxes 2026––––
Taxes on workforce 2026––––
Employees 2026––––
Revenue 20250 €157 €0 €0 €
State taxes 2025–35 €–1k €
Taxes on workforce 2025–0 €–2k €
Employees 2025––––
Revenue 20240 €0 €0 €0 €
State taxes 2024––––
Taxes on workforce 2024––––
Employees 2024––––
Revenue 20230 €0 €0 €0 €
State taxes 2023––––
Taxes on workforce 2023––––
Employees 2023––––
Revenue 20220 €0 €0 €0 €
State taxes 2022––––
Taxes on workforce 2022––––
Employees 2022––––
4
Mihkel Siinmaa2
Paula Siinmaa2
KS
Kai Siinmaa
board member, founder, shareholder 60%, ultimate beneficial owner
4 other companies›
CompanyRoleReg. code
Baltic HC Solutions OÜ
FounderShareholder 50%Ultimate beneficial ownerBoard member
12213184
HealthBook OÜ
Board memberShareholder 31%FounderUltimate beneficial owner
12215546
HoneyMedical OÜ
Shareholder 20%FounderUltimate beneficial owner
14515601
S5 Invest OÜ
Ultimate beneficial ownerShareholder 16%
16422358
MS
Mihkel Siinmaa
shareholder 20%
2 other companies›
CompanyRoleReg. code
Levare OÜ
Founder
12699229
S5 Invest OÜ
FounderUltimate beneficial ownerShareholder 28%Board member
PS
Paula Siinmaa
shareholder 20%
2 other companies›
CompanyRoleReg. code
Baltic HC Solutions OÜ
Shareholder 50%Ultimate beneficial ownerBoard member
12213184
S5 Invest OÜ
FounderUltimate beneficial owner
16422358
Shareholder 28%
Board member
16422358