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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
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Search›Companies›O&K Building Group OÜ
12840691ActivePrivate limited companyEE101833985 · VAT-registered

O&K Building Group OÜ

Viljandi maakond, Põhja-Sakala vald, Võivaku küla, Uue-Tori·EMTAK 41001 — Construction of residential and non-residential buildings·11+ years
Andmed · ···
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Overview

e-Business Register · 17 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
27.04.2015e-Business Register
Address
Uue-Tori, Võivaku küla, Põhja-Sakala vald, 70413 Viljandi maakondADS · e-Business Register
E-mail address
olle.berggren@mail.eee-Business Register
Telephones
+372 53435810· Tele2 Eesti Aktsiaselts+372 5153537· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 41001 - Construction of residential and non-residential buildingse-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2500,00 €e-Business Register
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
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  • Recent registrations

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  • 72 sources
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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 8 sourcese-Business Register · 3 min agoMTA
e-Business Register ↗

Registered 27. aprill 2015, primary activity: Construction of residential and non-residential buildings. Main place of business in Võivaku küla, Põhja-Sakala vald, Viljandi maakond.

Revenue 2026 (I kv)
39 594 €
▼ 36% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
2
2026 (MTA)
Taxes paid
6147 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 27.06.2026 (MTA)
Revenue 2026 (I kv)
40k €
▼ 36% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
2
2026 (MTA)
Taxes paid
6k €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 27.06.2026 (MTA)

Tax debt over time

MTA · last 365 d
Current €0max 1k €
11 May 20264 Jun 202628 Jun 2026
30 days
−973,52 €
973,52 € → 0,00 €
90 days
–
no data yet
365 days
–
no data yet

Officers (2)

e-Business Register · 17 h ago
KL
Kalle Leemet
Born 1970 · 55 y · board member since 27.04.2015
Board member
OB
Olle Berggren
Born 1975 · 51 y · board member since 27.04.2015
Board member

Founders (2)

e-Business Register · 17 h ago
OB
Olle Berggren
Born 1975 · 51 y · founder since 26.04.2015
Founder · 1k €
KL
Kalle Leemet
Born 1970 · 55 y · founder since 26.04.2015
Founder · 1k €

Shareholders (2)

e-Business Register · 17 h ago
OB
Olle Berggren
Born 1975 · 51 y · shareholder since 01.09.2023
Shareholder 50% · 1k €
KL
Kalle Leemet
Born 1970 · 55 y · shareholder since 01.09.2023
Shareholder 50% · 1k €

Beneficial owners (2)

e-Business Register · 17 h ago
OB
Olle Berggren
Born 1975 · 51 y · ultimate beneficial owner since 23.07.2019
Ultimate beneficial owner
KL
Kalle Leemet
Born 1970 · 55 y · ultimate beneficial owner since 23.07.2019
Ultimate beneficial owner

Annual reports (7)

e-Business Register · annual reports · 19 h tagasi
Revenue 2025
229k €
↘ -5.2% vs 2024
State taxes 2025
23k €
↘ -12.5% vs 2024
Employees 2025
2
0.0% vs 2024
YearRevenueProfitEquityAssetsEmployees
2025229 412 €5218 €21k €82k €213.05.2026
2024242 045 €−7939 €17k €54k €229.06.2025
2023223 114 €−30 161 €22k €33k €322.07.2024
2022229 069 €−7189 €
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
100k €50k €0
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q39 594 €3074 €3073 €2
2025224 439 €23 312 €17 282 €3
2024224 258 €26 650 €17 507 €3
2023237 734 €30 098 €20 326 €3
2022221 304 €30 808 €
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202640k €–––
State taxes 20263k €–––
Taxes on workforce 20263k €–––
Employees 20262–––
Revenue 202562k €71k €50k €42k €
State taxes 20256k €8k €

Tech stack

Tehnoloogiad
Mobile carrier
+372 5153537Telia Eesti AS+372 53435810Tele2 Eesti Aktsiaselts

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
18.06.2026TaxMaksuvõlg vähenes— −487 € (jäänud 487 €)
17.05.2026TaxMaksuvõlg vähenes— −487 € (jäänud 974 €)
13.05.2026ReportEsitati 2025. aasta aruanne— Käive 229 412 €
11.05.2026TaxMaksuvõlg kasvas— +1460 € (kokku 1460 €)
2025
29.06.2025ReportEsitati 2024. aasta aruanne— Käive 242 045 €
2024
22.07.2024ReportEsitati 2023. aasta aruanne— Käive 223 114 €
10.07.2024FilingHoiatusmäärus registrist kustutamiseks: majandusaasta aruanne esitamata— Ä 50007167 / M2 · Olek: Puudused kõrvaldatud

Connected companies

Same-person ties · e-Business Register

O&K Building Group OÜ is connected to 1 other company through 1 person who hold a role here and elsewhere. The strongest tie runs through Kalle Leemet (1 company).

Total connections
1
via 1 person
Connecting people
1
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Kalle
1 company
Via personKalle Leemet1
KL
Kalle Leemet
board member, founder, shareholder 50%, ultimate beneficial owner
1 other company›
CompanyRoleReg. code
osaühing Toompuu
Founder
10214268
52k €
65k €
3
25.06.2023
2021145 860 €−13 834 €60k €75k €425.06.2023
2020144 046 €−1497 €73k €87k €425.04.2021
2019142 110 €1339 €75k €86k €425.04.2021
21 058 €
4
6k €
3k €
Taxes on workforce 20255k €5k €5k €2k €
Employees 20253333
Revenue 202433k €60k €62k €69k €
State taxes 20245k €7k €7k €8k €
Taxes on workforce 20245k €4k €4k €4k €
Employees 20243333
Revenue 202354k €68k €61k €55k €
State taxes 20238k €9k €8k €5k €
Taxes on workforce 20235k €6k €6k €3k €
Employees 20234433
Revenue 202241k €67k €56k €57k €
State taxes 20227k €8k €8k €8k €
Taxes on workforce 20225k €6k €5k €6k €
Employees 20224444