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Search›Companies›Interface OÜ
14438384ActivePrivate limited company

Interface OÜ

Harju maakond, Viimsi vald, Pringi küla, Tammiku tee 18·EMTAK 82401 — Intermediation service activities for business support service activities n.e.c.·8+ years
Andmed · ···
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Overview

e-Business Register · 19 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 82401 - Intermediation service activities for business support service activities n.e.c.e-Business Register · ETCB
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
  • Activity licences
  • Recent registrations

Data

  • 79 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • FAQ
  • For journalists
  • Donate
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Revenue 2026 II kv
0 €
▼ 100% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
–
Tax debt
0 €
As of 09.08.2026 (MTA)

Registered 28. veebruar 2018, primary activity: Intermediation service activities for business support service activities n.e.c.. Main place of business in Pringi küla, Viimsi vald, Harju maakond.

Data · 6 sourcese-Business Register · 9 min agoMTA
e-Business Register ↗
Revenue 2026 (I-II kv)
0 €
▼ 100% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
–
Tax debt
€0
As of 09.08.2026 (MTA)

Officers

e-Business Register · 19 h ago
KS
Kai Siinmaa
Born 1966 · 60 y · board member since 28.02.2018
Board member

Founders

e-Business Register · 19 h ago
KS
Kai Siinmaa
Born 1966 · 60 y · founder since 27.02.2018
Founder · 3k €

Shareholders (3)

e-Business Register · 19 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 €

Annual reports (7)

e-Business Register · annual reports · 4 päeva tagasi
Revenue 2025
157 €
Employees 2025
0
YearRevenueProfitEquityAssetsEmployees

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
200 €100 €0

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
21.07.2026ReportEsitati 2025. aasta aruanne— Käive 157 €
2025
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 0 €

Connected companies

Same-person ties · e-Business Register

Interface OÜ is connected to 9 other companies through 3 people who hold a role here and elsewhere. The strongest tie runs through Kai Siinmaa (5 companies).

Total connections
9
via 3 people
Connecting people
3
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Kai
5 companies
Via personKai Siinmaa
2025
157 €
1564 €
10k €
10k €
0
21.07.2026
20240 €1408 €9k €9k €030.06.2025
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-II Q0 €–––
2025157 €1489 €1501 €–
20240 €–––
20230 €–––
20220 €–––
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20260 €0 €––
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––––
5
Mihkel Siinmaa2
Paula Siinmaa2
KS
Kai Siinmaa
board member, founder, shareholder 60%
5 other companies›
CompanyRoleReg. code
Baltic HC Solutions OÜ
Board memberShareholder 50%Founder
12213184
HealthBook OÜ
Board memberFounderShareholder 31%
12215546
HoneyMedical OÜ
Shareholder 20%Founder
14515601
S5 Invest OÜ
Shareholder 16%
16422358
Viimsi Lahe Rotary Klubi
FounderBoard member
80676295
MS
Mihkel Siinmaa
shareholder 20%
2 other companies›
CompanyRoleReg. code
Levare OÜ
Founder
12699229
S5 Invest OÜ
Shareholder 28%FounderBoard member
16422358
PS
Paula Siinmaa
shareholder 20%
2 other companies›
CompanyRoleReg. code
Baltic HC Solutions OÜ
Board memberShareholder 50%
12213184
S5 Invest OÜ
Shareholder 28%FounderBoard member
16422358

Analysis · 2025

computed from annual reports
Revenue157 €median 19k €1% of the sector median
Net margin996.2%median 6.9%+989.3 pp vs sector median
Equity ratio100.0%
Labour cost of revenue1,994.9%
Compared with2024revenue 0 €

Peer group: Mujal liigitamata äritegevust abistavate tegevuste vahendamine, 136 trading companies that filed a report in the last three years.

Founded 2018. That year 14,762 osaühing were registered; 14,175 are still trading, or 96.0%.