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
  • Recent registrations

Data

  • 72 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›Usaldusfond SIENA SECONDARY FUND Co-Invest I
16258215ActiveLimited partnership

Usaldusfond SIENA SECONDARY FUND Co-Invest I

Harju maakond, Tallinn, Kesklinna linnaosa, Toom-Rüütli tn 10/1-1·EMTAK 64311 — Activities of money market and non-money market investments funds·5+ years
Andmed · ···
On this page
SanctionsOverviewOfficersShareholdersFoundersBeneficial ownersOther rolesForeign parentSubsidiariesFinancialsTax filingsPledgesPledges as creditorLicencesNoticesTech stackCourt rulingsTVK decisionsBlacklistLabour inspectorateHazardous facilityDPA decisionsTax-deductibleEU lobby registerTrademarksPatentsReal estateVehiclesGrantsProcurementsState 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 · 9 h ago
Registry code
e-Business Register
Legal form
Limited partnership
Registered
28.06.2021e-Business Register
Address
Toom-Rüütli tn 10/1-1, Kesklinna linnaosa, Tallinn, 10130 Harju maakondADS · e-Business Register
E-mail address
info@siena.eee-Business Register
Telephone
+372 56619970· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 64311 - Activities of money market and non-money market investments fundse-Business Register · ETCB
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
  • Recent registrations

Data

  • 72 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
–
2024 annual report
Taxes paid
–
Tax debt
0 €
As of 29.06.2026 (MTA)
Data · 6 sourcese-Business Register · 2 min ago
e-Business Register ↗

Registered 28. juuni 2021, primary activity: Activities of money market and non-money market investments funds. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue
–
Employees
–
2024 annual report
Taxes paid
–
Tax debt
€0
As of 29.06.2026 (MTA)

Officers

e-Business Register · 9 h ago
SV
Siena Venture Partners OÜLEGAL PERSON
Legal person · 16076815 · fund manager since 28.06.2021
Fund manager

Shareholders

e-Business Register · 9 h ago
SV
Siena Venture Partners OÜLEGAL PERSON
Legal person · 16076815 · shareholder since 28.06.2021
ShareholderGeneral partner

Beneficial owners (3)

e-Business Register · 9 h ago
LI
Lauri Isotamm
Born 1974 · 51 y · ultimate beneficial owner since 28.06.2021
Ultimate beneficial owner
RT
Rain Tamm
Born 1971 · 55 y · ultimate beneficial owner since 28.06.2021
Ultimate beneficial owner
RR
Rando Rannus
Born 1979 · 46 y · ultimate beneficial owner since 28.06.2021
Ultimate beneficial owner

Other persons

e-Business Register · 9 h ago
SV
Siena Venture Partners OÜLEGAL PERSON
Legal person · 16076815 · registrar of the members since 28.06.2021
Registrar of the members

Subsidiaries

e-Business Register · shareholders · 9 h ago

Usaldusfond SIENA SECONDARY FUND Co-Invest I is a shareholder or officer in 1 more company.

Bolt Technology OÜ
Shareholder 0%

Annual reports (4)

e-Business Register · annual reports · 4 h tagasi
YearRevenueProfitEquityAssetsEmployees
2024AUD–––––31.05.2025
2023AUD––

Tech stack

Tehnoloogiad
Mobile carrier
+372 56619970Telia Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
10.06.2026FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50177000 / 2 · Olek: Jõustunud
  • Kanne nr 2 · kanne
2025
31.05.2025ReportEsitati 2024. aasta aruanne

Connected companies

Same-person ties · e-Business Register

Usaldusfond SIENA SECONDARY FUND Co-Invest I is connected to 44 other companies through 3 people who hold a role here and elsewhere. The strongest tie runs through Rain Tamm (17 companies).

Total connections
44
via 3 people
Connecting people
3
Active here
Distinct roles
1
Ultimate beneficial owner
Strongest tie
Rain
17 companies
Via personRain Tamm
–
–
–
31.05.2024
2022AUD–−300 868 €1,2m €2,5m €021.06.2023
2021AUD–––––06.06.2022
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
17
Lauri Isotamm15
Rando Rannus12
RT
Rain Tamm
ultimate beneficial owner
17 other companies›
CompanyRoleReg. code
AS LHV Group
Founder
11098261
AS LHV Pank
Founder
10539549
Fotograafia Tallinn OÜ
Shareholder 2%
14370427
GILD IB OÜ
Ultimate beneficial owner
11884290
Luarvik Luarvik OÜ
Board memberUltimate beneficial ownerFounderShareholder 100%
17218950
MAI Baltics Advisory OÜ
Ultimate beneficial owner
12709790
Oaklins Estonia OÜ
Ultimate beneficial ownerShareholder 30%Founder
16422080
Osaühing Kombain & Ko.
Board memberUltimate beneficial ownerShareholder 100%
10588508
OÜ CEE PE Holding
Ultimate beneficial ownerBoard member
11713708
Siena Holding OÜ
Ultimate beneficial ownerShareholder 33%Board memberFounder
12658992
Siena Venture Partners OÜ
Ultimate beneficial ownerBoard member
16076815
Teamscope OÜ
Supervisory board member
12871817
Usaldusfond SIENA SECONDARY FUND Co-Invest II
Ultimate beneficial owner
16460005
Usaldusfond SIENA SECONDARY FUND Co-Invest III
Ultimate beneficial owner
16718780
Usaldusfond SIENA SECONDARY FUND Co-Invest IV
Ultimate beneficial owner
17251002
Usaldusfond SIENA SECONDARY FUND I
Ultimate beneficial owner
16124081
… and 1 more · see on the person page ↗
LI
Lauri Isotamm
ultimate beneficial owner
15 other companies›
CompanyRoleReg. code
AS LHV Group
Founder
11098261
Heisenberg Ehrmantraut OÜ
FounderUltimate beneficial ownerShareholder 100%Board member
RR
Rando Rannus
ultimate beneficial owner
12 other companies›
CompanyRoleReg. code
Eesti Era- ja Riskikapitali Assotsiatsioon
Board member
80295682
EstBAN Nordic Angels II OÜ
Ultimate beneficial ownerBoard member
14580030
12791691
Likviidsus SPV OÜ
Ultimate beneficial owner
16163402
MAI Baltics Advisory OÜ
FounderUltimate beneficial ownerShareholder 50%
12709790
NOEP Distillery OÜ
Ultimate beneficial owner
16863476
Oaklins Estonia OÜ
Ultimate beneficial ownerShareholder 30%Founder
16422080
osaühing APSPROG
Shareholder 17%
10152260
Siena Holding OÜ
Ultimate beneficial ownerShareholder 33%Board memberFounder
12658992
Siena Venture Partners OÜ
Ultimate beneficial ownerBoard member
16076815
Tallinn, F. R. Kreutzwaldi tn 7 // Raua tn 16 korteriühistu
Board member
80351854
Usaldusfond SIENA SECONDARY FUND Co-Invest II
Ultimate beneficial owner
16460005
Usaldusfond SIENA SECONDARY FUND Co-Invest III
Ultimate beneficial owner
16718780
Usaldusfond SIENA SECONDARY FUND Co-Invest IV
Ultimate beneficial owner
17251002
Usaldusfond SIENA SECONDARY FUND I
Ultimate beneficial owner
16124081
Usaldusfond SIENA SECONDARY FUND II
Ultimate beneficial owner
17034374
Likviidsus SPV OÜ
Board memberUltimate beneficial owner
16163402
Mittetulundusühing Asutajad
Founder
80305937
Panta Rhei Ventures OÜ
Ultimate beneficial ownerBoard memberShareholder 100%Founder
12445397
Rabbit Hole OÜ
Ultimate beneficial ownerBoard member
14411876
Siena Venture Partners OÜ
Ultimate beneficial ownerBoard member
16076815
Usaldusfond SIENA SECONDARY FUND Co-Invest II
Ultimate beneficial owner
16460005
Usaldusfond SIENA SECONDARY FUND Co-Invest III
Ultimate beneficial owner
16718780
Usaldusfond SIENA SECONDARY FUND Co-Invest IV
Ultimate beneficial owner
17251002
Usaldusfond SIENA SECONDARY FUND I
Ultimate beneficial owner
16124081
Usaldusfond SIENA SECONDARY FUND II
Ultimate beneficial owner
17034374