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
  • 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
ContactTerms
ET/EN/RU
EN
EestiEnglishРусский
Search›Companies›Mittetulundusühing SISEC
80550312ActiveNon-profit association

Mittetulundusühing SISEC

Harju maakond, Tallinn, Kristiine linnaosa, Marja tn 4/1·EMTAK 85599 — Other education n.e.c.·8+ years
Andmed · ···
On this page
SanctionsOverviewOfficersShareholdersFoundersOther rolesForeign parentSubsidiariesFinancialsTax filingsPledgesPledges as creditorLicencesNoticesTech stackCourt rulingsTVK decisionsBlacklistLabour inspectorateHazardous facilityDPA decisionsTax-deductibleEU lobby registerTrademarksPatentsReal estateVehiclesGrantsProcurementsDocumentsState 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 · 14 h ago
Registry code
e-Business Register
Legal form
Non-profit association
Registered
10.05.2018e-Business Register
Address
Marja tn 4/1, Kristiine linnaosa, Tallinn, 10617 Harju maakondADS · e-Business Register
E-mail address
info@sisec.eee-Business Register
Telephone
+372 6222030· Elisa Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 85599 - Other education n.e.c.e-Business Register · ETCB
nimistu
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
–
Employees
–
2025 annual report
Taxes paid
–
Tax debt
0 €
As of 11.08.2026 (MTA)

Registered 10. mai 2018, primary activity: Other education n.e.c.. Main place of business in Kristiine linnaosa, Tallinn, Harju maakond.

Data · 4 sourcese-Business Register · 7 min ago
e-Business Register ↗
Revenue
–
Employees
–
2025 annual report
Taxes paid
–
Tax debt
€0
As of 11.08.2026 (MTA)

Officers (2)

e-Business Register · 14 h ago
IR
Illimar Reinbusch
Born 1977 · 49 y · board member since 10.05.2018
Board member
UT
Urmas Tobias
Born 1966 · 59 y · board member since 10.05.2018
Board member

Founders (4)

e-Business Register · 14 h ago
IR
Illimar Reinbusch
Born 1977 · 49 y · founder since 10.04.2018
Founder
KT
Kristen Tobias
Born 1993 · 32 y · founder since 10.04.2018
Founder
RM
Reimo Mesipuu
Born 1972 · 54 y · founder since 10.04.2018
Founder
UT

Annual reports (7)

e-Business Register · annual reports · 6 päeva tagasi
Employees 2025
0
YearRevenueProfitEquityAssetsEmployees
2025–0 €−328 €2 €0

Tech stack

Tehnoloogiad
Mobile carrier
+372 6222030Elisa Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
02.07.2026ReportEsitati 2025. aasta aruanne
2025
25.06.2025ReportEsitati 2024. aasta aruanne

Connected companies

Same-person ties · e-Business Register

Mittetulundusühing SISEC is connected to 14 other companies through 4 people who hold a role here and elsewhere. The strongest tie runs through Urmas Tobias (7 companies).

Total connections
14
via 4 people
Connecting people
4
Active here
Distinct roles
2
Board member · Founder
Strongest tie
Urmas
7 companies
Via personUrmas Tobias
Urmas Tobias
Born 1966 · 59 y · founder since 10.04.2018
Founder
02.07.2026
2024–0 €−328 €2 €025.06.2025
2023–0 €−328 €2 €025.06.2024
2022–0 €−328 €2 €015.06.2023
2021–0 €−328 €172 €019.05.2022
2020–−50 €−328 €172 €019.05.2022
2019–−17 €−278 €222 €019.05.2022
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
7
Illimar Reinbusch3
Kristen Tobias2
Reimo Mesipuu2
UT
Urmas Tobias
board member, founder
7 other companies›
CompanyRoleReg. code
Baltic Management OÜ
Board memberShareholder 100%
11034769
Mittetulundusühing Kodusalu
Board memberFounder
80297161
Mittetulundusühing Tänassilma
Board memberFounder
80312357
MTX Haldus OÜ
Shareholder 100%Board member
11059918
OÜ Meditsiiniline Päästerühm (LLC Medical Rescue Team)
FounderShareholder 100%Board member
12401537
Saksa Auto OÜ
FounderShareholder 100%Board member
12292350
Saku Priitahtlikud Pritsimehed
Founder
80318704
IR
Illimar Reinbusch
board member, founder
3 other companies›
CompanyRoleReg. code
Eesti Abipolitseinike Kogu
Board member
80327666
Mixigo OÜ
Shareholder 100%Board memberFounder
KT
Kristen Tobias
founder
2 other companies›
CompanyRoleReg. code
KTX Holding OÜ
Shareholder 100%Board memberFounder
16854750
Mittetulundusühing Tõdva Vabatahtlik Pääste
Founder
RM
Reimo Mesipuu
founder
2 other companies›
CompanyRoleReg. code
Harku vald, Tabasalu alevik, Mürsiku tn 2 korteriühistu
Board member
80605036
Osaühing ReMikro
Board memberFounderShareholder 100%
16412673
Quanture Advisory OÜ
Founder
10523940
80386999
10014807

Analysis · 2025

computed from annual reports
Equity ratio-16,400.0%equity is negative
Current ratio0.01current assets cover under 1× liabilities
Compared with2024

Peer group: Muu mujal liigitamata õpe, 2,078 trading companies that filed a report in the last three years.

Founded 2018. That year 857 mittetulundusühing were registered; 799 are still trading, or 93.2%.