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
nimistu
Search›Companies›OÜ HENNOLENNO
10326910ActivePrivate limited company

OÜ HENNOLENNO

Harju maakond, Tallinn, Kesklinna linnaosa, J. Kunderi tn 34-20·EMTAK 36002 — Supply of water intended for human consumption·28+ 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 · 9 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
19.11.1997e-Business Register
Address
J. Kunderi tn 34-20, Kesklinna linnaosa, Tallinn, 10121 Harju maakondADS · e-Business Register
E-mail address
uku.tuul@mail.eee-Business Register
Telephone
+372 5033874· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 36002 - Supply of water intended for human consumptione-Business Register · ETCB
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
192 €
▼ 88% vs 2024
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
39 €
State + labour taxes · 2026 I kv
Tax debt
0 €
As of 10.08.2026 (MTA)

Registered 19. november 1997, primary activity: Supply of water intended for human consumption. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Data · 7 sourcese-Business Register · 6 min agoMTARiigi Teataja · Riigikohus
e-Business Register ↗
Revenue 2026
192 €
▼ 88% vs 2024
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
39 €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 10.08.2026 (MTA)

Officers

e-Business Register · 9 h ago
UT
Uku Tuul
Born 1958 · 68 y · board member since 20.10.1998
Board member

Shareholders

e-Business Register · 9 h ago
UT
Uku Tuul
Born 1958 · 68 y · shareholder since 01.09.2023
Shareholder 100%

Annual reports (7)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2025
192 €
↘ -87.8% vs 2024
Employees 2025
0
YearRevenueProfitEquityAssetsEmployees

Taxes and employees

Estonian Tax and Customs Board · 10.07.2026 as of
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026—39 €0 €–
2025—29 €0 €–
2024—9 €0 €–
Quarterly breakdown
Year

Tech stack

Tehnoloogiad
Mobile carrier
+372 5033874Telia Eesti AS

Court rulings (1)

Riigi Teataja
20241 decision
22.03.20243-23-601/32
Keskkonnaõigus › VesiTallinna Halduskohus Tallinna kohtumajaDecision PDF →On Riigi Teataja →On lahend.ee →
Jõustunud

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
29.06.2026ReportEsitati 2025. aasta aruanne— Käive 192 €
2025
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 1572 €

Connected companies

Same-person ties · e-Business Register

OÜ HENNOLENNO is connected to 6 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Uku Tuul (6 companies).

Total connections
6
via 1 person
Connecting people
1
Active here
Distinct roles
2
Board member · Shareholder
Strongest tie
Uku
6 companies
Via personUku Tuul
2025192 €−2634 €14k €14k €029.06.2026
20241572 €1189 €16k €17k €030.06.2025
20233883 €136 €15k €16k €030.06.2024
202212 527 €12 389 €15k €16k €003.07.2023
2021708 €24 €3k €3k €001.07.2022
2020–−10 €3k €3k €030.06.2021
2019–−5 €3k €3k €030.10.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
Q1
Q2
Q3
Q4
Revenue 2026––––
State taxes 202639 €–––
Taxes on workforce 20260 €–––
Employees 2026––––
Revenue 2025––––
State taxes 202529 €–––
Taxes on workforce 20250 €–––
Employees 2025––––
Revenue 2024––––
State taxes 2024–9 €––
Taxes on workforce 2024–0 €––
Employees 2024––––
6
UT
Uku Tuul
board member, shareholder 100%
6 other companies›
CompanyRoleReg. code
Goldcup OÜ
Shareholder 100%Board member
12032732
Jõelähtme Kirikumõisa Sõprade Selts MTÜ
FounderBoard member
80601742
Laulupeo Residents OÜ
Shareholder 75%FounderBoard member
14594925
Mittetulundusühing Markuse Hariduse Fond
FounderBoard member
80560411
OÜ Novelta Invest
Board member
11724646
OÜ Ton Anemo
Shareholder 100%Board memberFounder
14689494

Analysis · 2025

computed from annual reports
Revenue192 €median 27k €1% of the sector median
Net margin-1,371.9%median 6.1%-1,378.0 pp vs sector median
Revenue change-87.8%median -4.5%-83.3 pp vs sector median
Equity ratio100.0%
Labour cost of revenue0.0%
Compared with2024revenue 2k €

Peer group: EMTAK 36, 39 trading companies that filed a report in the last three years.

Founded 1997. That year 4,793 osaühing were registered; 4,589 are still trading, or 95.7%.