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Search›Companies›Maainsener OÜ
11673280ActivePrivate limited companyEE101322548 · VAT-registered

Maainsener OÜ

Tartu maakond, Kambja vald, Õssu küla, Viljandi mnt 75/1·EMTAK 71122 — Construction geological and geodetic research·16+ years
Andmed · ···
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Overview

e-Business Register · 4 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
07.08.2009e-Business Register
Address
Viljandi mnt 75/1, Õssu küla, Kambja vald, 61713 Tartu maakondADS · e-Business Register
E-mail address
sulev.ojamaa@gmail.come-Business Register
Principal activity
EMTAK 71122 - Construction geological and geodetic researche-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2556,00 €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 · 14 sourcese-Business Register · 6 min agoMTARTKMTRProcurementsWeb tech scanEesti InternetTööinspektsioon
e-Business Register ↗

Registered 7. august 2009, primary activity: Construction geological and geodetic research. Main place of business in Õssu küla, Kambja vald, Tartu maakond.

Revenue 2026 (I kv)
120k €
▼ 7% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
5
2026 (MTA)
Taxes paid
83k €
State + labour taxes · 2026 (I kv)
Tax debt
7334,41 €
As of 26.06.2026 (MTA) · On payment plan until 15.09.2026

Tax debt over time

MTA · last 365 d
Current 7334,41 €max 10k €
11 May 20263 Jun 202627 Jun 2026
30 days
−2k €
9779,21 € → 7334,41 €
90 days
–
no data yet
365 days
–
no data yet

Officers

e-Business Register · 4 h ago
SO
Sulev Ojamaa
Born 1964 · 61 y · board member since 07.08.2009
Board member

Founders

e-Business Register · 4 h ago
SO
Sulev Ojamaa
Born 1964 · 61 y · founder since 07.08.2009
Founder

Shareholders

e-Business Register · 4 h ago
Revenue 2026 (I kv)
120 132 €
▼ 7% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
5
2026 (MTA)
Taxes paid
83 189 €
State + labour taxes · 2026 (I kv)
Tax debt
7334,41 €
As of 26.06.2026 (MTA) · Payment plan 7334,41 €
SO
Sulev Ojamaa
Born 1964 · 61 y · shareholder since 02.09.2023
Shareholder 100% · 3k €

Beneficial owners

e-Business Register · 4 h ago
SO
Sulev Ojamaa
Born 1964 · 61 y · ultimate beneficial owner since 19.10.2018
Ultimate beneficial owner

Annual reports (6)

e-Business Register · annual reports · 6 päeva tagasi
Revenue 2024
469k €
↘ -1.3% vs 2023
State taxes 2025
179k €
↗ +14.5% vs 2024
Employees 2024
5
0.0% vs 2023
YearRevenueProfitEquityAssetsEmployees
2024468 978 €17 097 €195k €297k €528.05.2025
2023475 086 €42 807 €178k €304k €515.05.2024
2022421 102 €42 393 €135k €225k €513.04.2023
2021389 840 €55 458 €
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
200k €100k €0
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q120 132 €58 302 €24 887 €5
2025523 878 €179 272 €104 102 €5
2024463 774 €156 594 €95 705 €5
2023459 812 €152 254 €97 866 €5
2022425 737 €122 955 €
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2026120k €–––
State taxes 202658k €–––
Taxes on workforce 202625k €–––
Employees 20265–––
Revenue 2025129k €125k €121k €149k €
State taxes 202545k €41k €

Licences (1)

MTR · 3 h tagasi
Active licences
1
Other1
Oldest · Newest
2021→2021
Oldest licenceEEG000185 · 04.01.2021
Active1 / 1
EEG000185
Ehitusuuringud
Majandustegevusteade
From04.01.2021
UntilOpen-ended
Valid

Tech stack

Website analysis · 1 päeva tagasi
Domains (1)
maainsener.ee
SPFDMARC
REGTelia Eesti AS
SRCEIS WHOIS
Detected technologies
Content management (CMS)WordPress
Page builderElementor
JavaScript libraryjQuery
AnalyticsGoogle Analytics
Web serverApache

Labour Inspectorate (1 act(s))

opendata.ti.ee

Enforcement cases· 1 case · 1 act

3-1/24/107925.04.2024
1 act
Ettekirjutus1 act · 25.04.2024
—
Show every act (1)+
202425.04.2024
Töötervishoiu- ja tööohutusalaste dokumentide tutvumise käigus selgus, et esmaabiandjaks on määratud juhatuse liige. Kontrolli käigus ei olnud esitada määratud esmaabiandja koolitust kinnitavat tunnistust, kuid juhatuse liige kinnitas, et viimane koolitus toimus umbes 6-7 aastat tagasi. Esmaabi täiendkoolitus peab toimuma iga kolme aasta tagant.
3-1/24/1079-1-1 · Ettekirjutus
Violation
—
No fine

Public procurements (1 · 8k €)

Procurement Register · 3 h tagasi
Awards
1
2019–2019 · 1 year
Total amount
8k €
avg 8k €
Buyers
1
top: aktsiaselts Eesti Raudtee
Latest
21.10.2019
8k € · aktsiaselts Eesti Raudtee
20191 award8k €
21.102019
Katastermõõtmisteenus Tallinnas ja Tartu linnas
ServicesNotice ted-2019-10-599
aktsiaselts Eesti Raudtee
11575838
8000 €
Award value

State-sector payments (3 · 8k €)

RTK Makseandmik · 15.05.2026
Transactions
3
2024–2026 · 3 years
Total amount
8k €
avg 3k €
Buyers
2
State and municipal bodies
Latest
18.03.2026
2k € · Tartu Ülikool

2026: 2k € · 2024: 6k €

BuyerTxAmountShare
Luunja Vallavalitsus
75003476
1
6k €
Tartu Ülikool
74001073
2
2k €
20261 transaction · 2k €
18.032026
Tartu Ülikool74001073
PÕHIVARA · Kolmanda taseme haridus
2046 €
20242 transactions · 6k €
29.052024
Tartu Ülikool74001073
MAJANDAMISKULUD · Kolmanda taseme haridus
195 €
16.022024
Luunja Vallavalitsus75003476

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
16.06.2026TaxMaksuvõlg vähenes— −2445 € (jäänud 7334 €)
15.05.2026TaxMaksuvõlg kasvas— +44 € (kokku 9779 €)
12.05.2026TaxMaksuvõlg kasvas— +3405 € (kokku 9735 €)
11.05.2026TaxMaksuvõlg kasvas— +6330 € (kokku 6330 €)
2025
28.05.2025ReportEsitati 2024. aasta aruanne— Käive 468 978 €

Connected companies

Same-person ties · e-Business Register

Maainsener OÜ is connected to 9 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Sulev Ojamaa (9 companies).

Total connections
9
via 1 person
Connecting people
1
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Sulev
9 companies
Via personSulev Ojamaa9
SO
Sulev Ojamaa
board member, founder, shareholder 100%, ultimate beneficial owner
9 other companies›
CompanyRoleReg. code
E2 Haldus OÜ
Ultimate beneficial owner
11973415
Eesti Vanamootorrattaklubi Unic-Moto
Ultimate beneficial ownerBoard member
80075667
93k €
206k €
4
01.06.2022
2020306 577 €−56 830 €38k €89k €430.04.2021
2019248 743 €34 870 €94k €136k €429.06.2020
86 042 €
5
36k €
56k €
Taxes on workforce 202527k €24k €25k €28k €
Employees 20255555
Revenue 2024105k €102k €116k €142k €
State taxes 202444k €22k €47k €44k €
Taxes on workforce 202425k €15k €30k €25k €
Employees 20245555
Revenue 202398k €89k €135k €138k €
State taxes 202334k €19k €51k €49k €
Taxes on workforce 202326k €12k €31k €29k €
Employees 20235555
Revenue 2022101k €93k €119k €112k €
State taxes 202214k €36k €42k €30k €
Taxes on workforce 202211k €26k €29k €20k €
Employees 20225555
MAJANDAMISKULUD
·
Üldmajanduslikud arendusprojektid
6161 €
Mittetulundusühing KESKKOND INIMESTELE
Board memberUltimate beneficial owner
80237650
Mittetulundusühing Norra Allikad
Board memberFounderUltimate beneficial owner
80270239
O2 Haldus OÜ
Board memberFounderUltimate beneficial ownerShareholder 100%
11969230
OÜ VIINAMÄRDI HALDUS
Board memberUltimate beneficial ownerShareholder 100%
10945167
Projekt O2 OÜ
Ultimate beneficial owner
10913931
Stuudio 2 Arhitektid OÜ
Board memberFounderShareholder 100%Ultimate beneficial owner
12734049
Viinamärdi OÜ
Ultimate beneficial ownerBoard memberFounderShareholder 100%
17427613