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Search›Companies›Hydroseal OÜ
10628283ActivePrivate limited companyEE100598645 · VAT-registered

Hydroseal OÜ

Tartu maakond, Tartu linn, Tähtvere küla, Hausi·EMTAK 46841 — Wholesale of plumbing and heating equipment and supplies·26+ years
Andmed · ···
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Overview

e-Business Register · 9 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
08.02.2000e-Business Register
Address
Hausi, Tähtvere küla, Tartu linn, 61410 Tartu maakondADS · e-Business Register
E-mail address
gerri@hydroseal.eee-Business Register
Website
hydroseal.eee-Business Register · domain active
Telephone
+372 7303733· Tele2 Eesti Aktsiaseltse-Business Register · TTJA NBA
Principal activity
EMTAK 46841 - Wholesale of plumbing and heating equipment and suppliese-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
8823,00 €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 · 12 sourcese-Business Register · 7 min agoMTARTKProcurementsBuiltWithWeb tech scanEesti Internet
e-Business Register ↗

Registered 8. veebruar 2000, primary activity: Wholesale of plumbing and heating equipment and supplies. Main place of business in Tähtvere küla, Tartu linn, Tartu maakond.

Revenue 2026 (I kv)
658 338 €
▼ 22% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
7
2026 (MTA)
Taxes paid
75 752 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)
Revenue 2026 (I kv)
658k €
▼ 22% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
7
2026 (MTA)
Taxes paid
76k €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 9 h ago
GK
Gerri Kulp
Born 1977 · 49 y · board member since 19.12.2005
Board member

Founders

e-Business Register · 9 h ago
OD
Osaühing Deepak GruppFOREIGN
Foreign / not in register · founder since 08.02.2000
Founder 25%

Shareholders (2)

e-Business Register · 9 h ago
EK
Enn Kulp
Born 1954 · 72 y · shareholder since 01.09.2023
Shareholder 56% · 5k €
GK
Gerri Kulp
Born 1977 · 49 y · shareholder since 01.09.2023
Shareholder 44% · 4k €

Beneficial owners (2)

e-Business Register · 9 h ago
EK
Enn Kulp
Born 1954 · 72 y · ultimate beneficial owner since 10.09.2018
Ultimate beneficial owner
GK
Gerri Kulp
Born 1977 · 49 y · ultimate beneficial owner since 10.09.2018
Ultimate beneficial owner

Other persons

e-Business Register · 9 h ago
VK
Vilja Kübar
Born 1957 · 68 y · auditor since 03.05.2002
Auditor

Subsidiaries

e-Business Register · shareholders · 9 h ago

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

VERTES OÜ
Founder

Annual reports (6)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
2,7m €
↘ -11.8% vs 2023
State taxes 2025
653k €
↗ +40.4% vs 2024
Employees 2024
5
0.0% vs 2023
YearRevenueProfit

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
2,0m €1,0m €0

Tech stack

Website analysis · 3 päeva tagasi
Domains (1)
hydroseal.ee
SPFDMARC
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Detected technologies
OtherOpen Graph · Schema.org
E-commerceWooCommerce
JavaScript library

Public procurements (2 · 137k €)

Procurement Register · 8 h tagasi
Awards
2
2018–2019 · 2 years
Total amount
137k €
avg 69k €
Buyers
1
top: aktsiaselts Eesti Raudtee
Latest
06.05.2019
56k € · aktsiaselts Eesti Raudtee

Awards by year

12 yr · total 137k €
81k €
56k €
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
20191 award56k €
06.052019
Terastruubid 2019
ServicesNotice ted-2019-5-156
aktsiaselts Eesti Raudtee
11575838
55 665 €
Award value
20181 award81k €
16.052018
Terastruubid 2018
ServicesNotice ted-2018-5-461
aktsiaselts Eesti Raudtee
11575838
81 499 €
Award value

State-sector payments (37 · 53k €)

RTK Makseandmik · 15.05.2026
Transactions
37
2024–2026 · 3 years
Total amount
53k €
avg 1k €
Buyers
10
State and municipal bodies
Latest
06.03.2026
3k € · SA Teater Vanemuine

2026: 14k € · 2025: 33k € · 2024: 6k €

BuyerTxAmountShare
OÜ OSK Grupp
10268560
1

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
24.04.2026FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 20017922 / 17 · Olek: Jõustunud
  • Kanne nr 16 · kanne
2025
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 2 675 054 €
2024
30.06.2024ReportEsitati 2023. aasta aruanne— Käive 3 033 215 €

Connected companies

Same-person ties · e-Business Register

Hydroseal OÜ is connected to 90 other companies through 3 people who hold a role here and elsewhere. The strongest tie runs through Enn Kulp (8 companies).

Total connections
90
via 3 people
Connecting people
3
Active here
Distinct roles
4
Board member · Shareholder
Strongest tie
Enn
8 companies
Via personEnn Kulp
Equity
Assets
Employees
2024AUD2 675 054 €−60 668 €1,0m €2,0m €530.06.2025
2023AUD3 033 215 €143 536 €1,9m €2,0m €530.06.2024
2022AUD2 777 142 €184 573 €1,8m €1,9m €530.06.2023
2021AUD2 492 031 €303 067 €1,7m €1,8m €516.09.2022
2020AUD1 684 230 €75 180 €1,4m €1,5m €528.07.2021
2019AUD1 510 455 €54 902 €1,4m €1,4m €730.06.2020
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 Q658 338 €52 616 €23 136 €7
20254 539 180 €653 481 €81 159 €6
20244 240 644 €465 514 €73 131 €6
20235 042 665 €442 951 €65 773 €6
20224 962 358 €466 359 €60 400 €6
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2026658k €–––
State taxes 202653k €–––
Taxes on workforce 202623k €–––
Employees 20267–––
Revenue 2025846k €1,3m €1,3m €1,1m €
State taxes 2025235k €135k €145k €139k €
Taxes on workforce 202523k €17k €24k €17k €
Employees 20256766
Revenue 2024893k €1,1m €1,2m €1,0m €
State taxes 202480k €120k €165k €100k €
Taxes on workforce 202420k €14k €21k €17k €
Employees 20245766
Revenue 2023708k €1,3m €1,8m €1,2m €
State taxes 202356k €144k €147k €96k €
Taxes on workforce 202318k €16k €18k €14k €
Employees 20236666
Revenue 20221,5m €1,5m €1,2m €728k €
State taxes 2022104k €107k €153k €102k €
Taxes on workforce 202216k €13k €17k €14k €
Employees 20226766
jQuery
Tag managerGoogle Tag Manager
SecurityreCAPTCHA
Web serverApache
UI frameworkTailwind CSS
Content management (CMS)WordPress
Mobile carrier
+372 7303733Tele2 Eesti Aktsiaselts
19k €
AS Eesti Raudtee
11575838
3
13k €
SA Teater Vanemuine
90011065
4
4k €
OÜ Tartu Valla Haldus
10290080
2
3k €
Eesti Maaülikool
74001086
3
3k €
Luua Metsanduskool
70002443
3
2k €
SA Eesti Maaelumuuseumid
90014017
1
2k €

Top 7 buyers account for 46k € — 87% of total. The remaining 3 buyers split the rest.

20263 transactions · 14k €
06.032026
SA Teater Vanemuine90011065
MAJANDAMISKULUD · Teatrid
2631 €
05.032026
SA Eesti Maaelumuuseumid90014017
MAJANDAMISKULUD · Muuseumid
2365 €
16.012026
AS Eesti Raudtee11575838
MAJANDAMISKULUD · Raudteetransport
9000 €
20252 transactions · 4k €
12.122025
OÜ Tartu Valla Haldus10290080
MAJANDAMISKULUD · Maanteetransport
3010 €
17.112025
SA Teaduskeskus Ahhaa90007572
MAJANDAMISKULUD · Muu haridus, sh hariduse haldus
661 €
Show remaining 32 transactions+
202523 transactions · 30k €
17.112025
SA Teaduskeskus Ahhaa90007572
MAJANDAMISKULUD · Muu haridus, sh hariduse haldus
132 €
14.112025
Tori Vallavalitsus77000341
MAJANDAMISKULUD · Valla- ja linnavalitsus
204 €
12.112025
AS Eesti Raudtee11575838
8
Gerri Kulp4
Vilja Kübar78
EK
Enn Kulp
shareholder 56%, ultimate beneficial owner
8 other companies›
CompanyRoleReg. code
FTS KV OÜ
Shareholder 54%FounderUltimate beneficial owner
12780049
GERREN OÜ
Board memberShareholder 100%FounderUltimate beneficial owner
12574752
INSENERIBÜROO URMAS NUGIN OÜ
Founder
10696600
MTÜ Leevijõe Seisundi Parandamine
Board memberUltimate beneficial owner
80319879
MTÜ VK Arenduskeskus
Board memberUltimate beneficial owner
80299912
osaühing VIIKON
Founder
10151834
PIIBER PROJEKT OÜ
Ultimate beneficial ownerShareholder 100%Board member
10210632
VERTES OÜ
Founder
11105877
GK
Gerri Kulp
board member, shareholder 44%, ultimate beneficial owner
4 other companies›
CompanyRoleReg. code
FTS KV OÜ
Board memberShareholder 46%FounderUltimate beneficial owner
12780049
Tartu linn, Kalevi tn 64 korteriühistu
VK
Vilja Kübar
auditor
78 other companies›
CompanyRoleReg. code
ABACUS OÜ
Auditor
10015273
ADDINOL Lube Oil OÜ
Auditor
10184610
AGENDA PRO OÜ
MAJANDAMISKULUD · Raudteetransport
1691 €
31.102025
OÜ Ülenurme Teed10835734
MAJANDAMISKULUD · Avalike alade puhastus
197 €
29.102025
OÜ Ülenurme Teed10835734
MAJANDAMISKULUD · Avalike alade puhastus
591 €
26.092025
Eesti Maaülikool74001086
MAJANDAMISKULUD · Kolmanda taseme haridus
2437 €
25.092025
Luua Metsanduskool70002443
MAJANDAMISKULUD · Öömaja
724 €
18.092025
OÜ Ülenurme Teed10835734
MAJANDAMISKULUD · Avalike alade puhastus
104 €
05.082025
Eesti Maaülikool74001086
MAJANDAMISKULUD · Kolmanda taseme haridus
110 €
28.072025
Tõrva Vallavalitsus77000418
MAJANDAMISKULUD · Üldmajanduslikud arendusprojektid
488 €
10.072025
OÜ Ülenurme Teed10835734
MAJANDAMISKULUD · Avalike alade puhastus
320 €
03.072025
Kaitseliit74000725
MAJANDAMISKULUD · Muu riigikaitse
330 €
03.072025
Kaitseliit74000725
MUUD TEGEVUSKULUD · Muu riigikaitse
73 €
17.062025
SA Teater Vanemuine90011065
MAJANDAMISKULUD · Teatrid
436 €
27.052025
SA Teater Vanemuine90011065
MAJANDAMISKULUD · Teatrid
436 €
23.052025
OÜ OSK Grupp10268560
KÄIBEVARA · Muud elamu- ja kommunaalmajanduse tegevus
19 015 €
21.052025
OÜ Setomaa Haldus10322845
MAJANDAMISKULUD · Muu energia- ja soojamajandus
234 €
12.052025
Luua Metsanduskool70002443
MAJANDAMISKULUD · Kutseharidus
103 €
06.052025
OÜ Ülenurme Teed10835734
MAJANDAMISKULUD · Avalike alade puhastus
444 €
21.042025
Transpordiamet70001490
MAJANDAMISKULUD · Muuseumid
456 €
10.042025
Eesti Rahva Muuseum70005536
MAJANDAMISKULUD · Muuseumid
149 €
07.032025
SA Teaduskeskus Ahhaa90007572
MAJANDAMISKULUD · Muu haridus, sh hariduse haldus
264 €
05.032025
Järvamaa Rakenduslik Kolledž70008546
MAJANDAMISKULUD · Kutseharidus
769 €
20249 transactions · 6k €
12.122024
Eesti Maaülikool74001086
MAJANDAMISKULUD · Kolmanda taseme haridus
156 €
12.112024
Lääne-Harju Vallavalitsus77000200
MAJANDAMISKULUD · Puhkepargid ja -baasid
195 €
15.102024
SA Teaduskeskus Ahhaa90007572
MAJANDAMISKULUD · Muu haridus, sh hariduse haldus
483 €
11.102024
AS Eesti Raudtee11575838
MAJANDAMISKULUD · Raudteetransport
1834 €
10.102024
Luua Metsanduskool70002443
MAJANDAMISKULUD · Kutseharidus
1559 €
28.062024
SA Teater Vanemuine90011065
MAJANDAMISKULUD · Teatrid
436 €
07.062024
OÜ Setomaa Haldus10322845
MAJANDAMISKULUD · Muu energia- ja soojamajandus
388 €
16.052024
OÜ Tartu Valla Haldus10290080
MAJANDAMISKULUD · Muud elamu- ja kommunaalmajanduse tegevus
378 €
09.052024
SA Teaduskeskus Ahhaa90007572
PÕHIVARA · Muu haridus, sh hariduse haldus
416 €
Board member
80364785
VERTES OÜ
Board memberUltimate beneficial ownerShareholder 100%
11105877
VK ALASI OÜ
Board memberFounderUltimate beneficial ownerShareholder 21%
12435803
Auditor
10184372
AJALOOKIRJANDUSE SIHTASUTUS "KLEIO"
Auditor
90001184
aktsiaselts "TATOLI"
Auditor
10608866
aktsiaselts Agerinvest
Auditor
10288580
Aktsiaselts Autoveod-Tehnika
Auditor
10050200
aktsiaselts Avera-Trading
Auditor
10253481
aktsiaselts CISTA
Auditor
10007925
aktsiaselts K & O Service
Auditor
10297065
aktsiaselts PK Oliver
Auditor
10299709
aktsiaselts Reinsalu Auto
Auditor
10288491
aktsiaselts Sumros Grupp
Auditor
10437040
aktsiaselts Sveiger
Auditor
10078693
Aktsiaselts Tallinna Olümpiapurjespordikeskus
Auditor
10257237
AMIDON OÜ
Auditor
10002218
… and 62 more · see on the person page ↗