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Search›Companies›OÜ Thatrion
12103076ActivePrivate limited companyEE101452065 · VAT-registered

OÜ Thatrion

Harju maakond, Tallinn, Mustamäe linnaosa, Aiandi tn 6/1-45·EMTAK 7112 — Engineering activities and related technical consultancy·15+ years
Andmed · ···
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Overview

e-Business Register · 22 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
06.05.2011e-Business Register
Address
Aiandi tn 6/1-45, Mustamäe linnaosa, Tallinn, 12916 Harju maakondADS · e-Business Register
E-mail address
thatrion@gmail.come-Business Register
Telephone
+372 5256789· 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
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 · 8 sourcese-Business Register · 8 min agoMTAPatendiamet
e-Business Register ↗

Registered 6. mai 2011, primary activity: Engineering activities and related technical consultancy. Main place of business in Mustamäe linnaosa, Tallinn, Harju maakond.

Revenue 2026 (I kv)
21 918 €
▲ 55% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
852 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)
Revenue 2026 (I kv)
22k €
▲ 55% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
852 €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 22 h ago
TT
Tõnis Tammisaar
Born 1984 · 42 y · board member since 06.05.2011
Board member

Founders (2)

e-Business Register · 22 h ago
TT
Tiia Tammisaar
· founder since 06.05.2011
Founder · 1k €
TT
Tõnis Tammisaar
Born 1984 · 42 y · founder since 06.05.2011
Founder · 1k €

Shareholders

e-Business Register · 22 h ago
TT
Tõnis Tammisaar
Born 1984 · 42 y · shareholder since 02.09.2023
Shareholder 100% · 3k €

Beneficial owners

e-Business Register · 22 h ago
TT
Tõnis Tammisaar
Born 1984 · 42 y · ultimate beneficial owner since 29.09.2018
Ultimate beneficial owner

Subsidiaries

e-Business Register · shareholders · 22 h ago

OÜ Thatrion is a shareholder or officer in 1 more company.

Pulse & Fidelity OÜ
FounderShareholder 9%

Annual reports (6)

e-Business Register · annual reports · 6 päeva tagasi
Revenue 2024
164k €
↘ -12.5% vs 2023
State taxes 2024
34k €
↗ +145% vs 2023
Employees 2024
1
0.0% vs 2023
YearRevenueProfit

Taxes, revenue and employees

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

Tech stack

Tehnoloogiad
Mobile carrier
+372 5256789Telia Eesti AS

Patents (1 · 0 active)

Estonian Patent Office · patents, utility models, EU validations
01250

Device for monitoring parameters of a Finnish sauna steam room

Utility model · IPC A61H 33/10,G01K 1/02,H05B 37/02
Filed 12.09.2012

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
30.10.2025ReportEsitati 2024. aasta aruanne— Käive 163 976 €
2024
30.10.2024ReportEsitati 2023. aasta aruanne— Käive 187 436 €

Connected companies

Same-person ties · e-Business Register

OÜ Thatrion is connected to 5 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Tõnis Tammisaar (4 companies).

Total connections
5
via 2 people
Connecting people
2
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Tõnis
4 companies
Via personTõnis Tammisaar
Equity
Assets
Employees
2024163 976 €35 140 €161k €166k €130.10.2025
2023187 436 €54 292 €146k €150k €130.10.2024
202251 223 €6022 €103k €107k €131.10.2023
202169 829 €11 496 €104k €106k €131.10.2022
202086 105 €33 883 €104k €108k €131.10.2021
201967 507 €26 325 €74k €76k €131.10.2020
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 Q21 918 €852 €0 €1
202569 431 €10 195 €762 €1
2024299 622 €33 756 €2385 €1
2023114 482 €13 763 €317 €1
202267 039 €11 643 €1291 €1
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202622k €–––
State taxes 2026852 €–––
Taxes on workforce 20260 €–––
Employees 20261–––
Revenue 202514k €28k €7k €21k €
State taxes 20254k €3k €–4k €
Taxes on workforce 20250 €0 €–762 €
Employees 20251111
Revenue 2024109k €55k €94k €42k €
State taxes 202414k €7k €8k €4k €
Taxes on workforce 20242k €141 €0 €0 €
Employees 20241111
Revenue 202311k €18k €13k €74k €
State taxes 2023831 €557 €2k €10k €
Taxes on workforce 20230 €0 €166 €151 €
Employees 20231111
Revenue 20227k €26k €16k €19k €
State taxes 20222k €4k €3k €3k €
Taxes on workforce 2022428 €0 €241 €622 €
Employees 20221111
4
Tiia Tammisaar1
TT
Tõnis Tammisaar
board member, founder, shareholder 100%, ultimate beneficial owner
4 other companies›
CompanyRoleReg. code
NeuroShot OÜ
Shareholder 33%Founder
16028360
Osaühing Tammisaare Talumuuseum
Shareholder 100%Board memberUltimate beneficial owner
10645502
Tactical Target .177 Klubi
Board memberFounderUltimate beneficial owner
80559023
Tallinn, Aiandi tn 6 korteriühistu
Board member
80309042
TT
Tiia Tammisaar
founder
1 other company›
CompanyRoleReg. code
T.T. Finantsarvestuse OÜ
Board memberFounderUltimate beneficial ownerShareholder 100%
16021274