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
  • For journalists
  • 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 K3S
14926020ActivePrivate limited companyEE102270152 · VAT-registered

OÜ K3S

Viljandi maakond, Viljandi vald, Mustivere küla, Vanausse tee 1·EMTAK 69202 — Bookkeeping, tax consulting·6+ 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 · 13 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
02.03.2020e-Business Register
Address
Vanausse tee 1, Mustivere küla, Viljandi vald, 71067 Viljandi maakondADS · e-Business Register
E-mail address
markku.kalam@gmail.come-Business Register
Principal activity
EMTAK 69202 - Bookkeeping, tax consultinge-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2500,00 €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 · 7 sourcese-Business Register · 3 min agoMTA
e-Business Register ↗

Registered 2. märts 2020, primary activity: Bookkeeping, tax consulting. Main place of business in Mustivere küla, Viljandi vald, Viljandi maakond.

Revenue 2026 (I kv)
1500 €
▼ 1% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
89 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)
Revenue 2026 (I kv)
2k €
▼ 1% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
89 €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 13 h ago
MK
Markku Kalam
Born 1987 · 39 y · board member since 02.03.2020
Board member

Founders

e-Business Register · 13 h ago
MK
Markku Kalam
Born 1987 · 39 y · founder since 02.03.2020
Founder · 3k €

Shareholders

e-Business Register · 13 h ago
MK
Markku Kalam
Born 1987 · 39 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Beneficial owners

e-Business Register · 13 h ago
MK
Markku Kalam
Born 1987 · 39 y · ultimate beneficial owner since 02.03.2020
Ultimate beneficial owner

Annual reports (5)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
7k €
↘ -76.4% vs 2023
Employees 2024
1
0.0% vs 2023
YearRevenueProfitEquityAssetsEmployees

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
20k €10k €0

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 7016 €
2024
17.07.2024ReportEsitati 2023. aasta aruanne— Käive 29 745 €
16.07.2024FilingHoiatusmäärus registrist kustutamiseks: majandusaasta aruanne esitamata— Ä 50141418 / M1 · Olek: Puudused kõrvaldatud

Connected companies

Same-person ties · e-Business Register

OÜ K3S is connected to 4 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Markku Kalam (4 companies).

Total connections
4
via 1 person
Connecting people
1
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Markku
4 companies
Via personMarkku Kalam
20247016 €−7067 €5k €40k €130.06.2025
202329 745 €9732 €13k €34k €117.07.2024
20220 €−841 €3k €28k €130.06.2023
20210 €−858 €3k €13k €128.07.2022
20200 €0 €–780 €104.06.2021
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 Q1500 €89 €0 €–
20256307 €44 €0 €–
20245950 €279 €0 €–
202329 745 €0 €0 €–
20220 €0 €0 €–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20262k €–––
State taxes 202689 €–––
Taxes on workforce 20260 €–––
Employees 2026––––
Revenue 20252k €2k €2k €2k €
State taxes 20250 €–0 €44 €
Taxes on workforce 20250 €–0 €0 €
Employees 2025––––
Revenue 2024900 €2k €2k €2k €
State taxes 2024169 €0 €110 €0 €
Taxes on workforce 20240 €0 €0 €0 €
Employees 2024––––
Revenue 20230 €13k €16k €1k €
State taxes 20230 €0 €–0 €
Taxes on workforce 20230 €0 €–0 €
Employees 2023––––
Revenue 20220 €0 €0 €0 €
State taxes 20220 €–0 €0 €
Taxes on workforce 20220 €–0 €0 €
Employees 2022––––
4
MK
Markku Kalam
board member, founder, shareholder 100%, ultimate beneficial owner
4 other companies›
CompanyRoleReg. code
EESTI TÕUKOERTE KELGUSPORDI KLUBI
Founder
80360534
Mittetulundusühing Discihullud
Founder
80553061
Mustivere Külaselts MTÜ
Board memberFounderUltimate beneficial owner
80660331
Viljandi Hokiklubi
Board memberUltimate beneficial owner
80262501