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Search›Companies›CostMaster OÜ
17414510ActivePrivate limited company

CostMaster OÜ

Tartu maakond, Tartu linn, Tartu linn, Salme tn 52-3·EMTAK 62101 — Computer programming activities
Andmed · ···
On this page
SanctionsOverviewOfficersShareholdersFoundersBeneficial ownersOther rolesForeign parentSubsidiariesFinancialsTax filingsPledgesPledges as creditorLicencesNoticesTech stackCourt rulingsTVK decisionsBlacklistLabour inspectorateHazardous facilityDPA decisionsTax-deductibleEU lobby registerTrademarksPatentsReal estateVehiclesGrantsProcurementsState paymentsActivityConnected companies
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Overview

e-Business Register · 15 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
16.01.2026e-Business Register
Address
Salme tn 52-3, Tartu linn, Tartu linn, 50106 Tartu maakondADS · e-Business Register
E-mail address
hannojahisoo@gmail.come-Business Register
Principal activity
EMTAK 62101 - Computer programming activitiese-Business Register · ETCB
Share capital
1,00 €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
Revenue
–
Employees
–
Taxes paid
–
Tax debt
0 €
As of 27.06.2026 (MTA)

Registered 16. jaanuar 2026, primary activity: Computer programming activities. Main place of business in Tartu linn, Tartu linn, Tartu maakond.

Data · 7 sourcese-Business Register · 6 min agoWeb tech scanEesti Internet
e-Business Register ↗
Revenue
–
Employees
–
Taxes paid
–
Tax debt
€0
As of 27.06.2026 (MTA)

Officers

e-Business Register · 15 h ago
HJ
Hanno Jahisoo
Born 1992 · 34 y · board member since 16.01.2026
Board member

Founders

e-Business Register · 15 h ago
HJ
Hanno Jahisoo
Born 1992 · 34 y · founder since 15.01.2026
Founder · 1 €

Shareholders

e-Business Register · 15 h ago
HJ
Hanno Jahisoo
Born 1992 · 34 y · shareholder since 16.01.2026
Shareholder 100% · 1 €

Beneficial owners

e-Business Register · 15 h ago
HJ
Hanno Jahisoo
Born 1992 · 34 y · ultimate beneficial owner since 16.01.2026
Ultimate beneficial owner

Tech stack

Website analysis · 4 päeva tagasi
Domains (1)
costmaster.ee
DMARC
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Detected technologies
OtherOpen Graph · Schema.org
CDNCloudflare

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
16.01.2026OfficerSai osanikuks— Hanno Jahisoo · · 100 %
16.01.2026OfficerLisati tegelikuks kasusaajaks— Hanno Jahisoo
16.01.2026OfficerAstus juhatusse— Hanno Jahisoo
16.01.2026FilingEsmakanne2×expand ›

Connected companies

Same-person ties · e-Business Register

CostMaster OÜ is connected to 1 other company through 1 person who hold a role here and elsewhere. The strongest tie runs through Hanno Jahisoo (1 company).

Total connections
1
via 1 person
Connecting people
1
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Hanno
1 company
Via personHanno Jahisoo
hide ⌃
  • Ä 50301513 · Olek: Jõustunud
  • Kanne nr 1 · kanne
15.01.2026OfficerAsutas ettevõtte— Hanno Jahisoo
1
HJ
Hanno Jahisoo
board member, founder, shareholder 100%, ultimate beneficial owner
1 other company›
CompanyRoleReg. code
Kurg Invest OÜ
Board memberUltimate beneficial ownerShareholder 50%Founder
16740087