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
  • Activity licences
  • Recent registrations

Data

  • 79 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • FAQ
  • For journalists
  • Donate
  • 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›R2 Rationality OÜ
16931338ActivePrivate limited companyEE102722118 · VAT-registered

R2 Rationality OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Karamelli tn 2 // Pärnu mnt 139b·EMTAK 62101 — Computer programming activities·2+ years
Andmed · ···
On this page
SanctionsOverviewOfficersShareholdersFoundersOther rolesForeign parentSubsidiariesFinancialsTax filingsPledgesPledges as creditorLicencesNoticesTech stackCourt rulingsTVK decisionsBlacklistLabour inspectorateHazardous facilityDPA decisionsTax-deductibleEU lobby registerTrademarksPatentsReal estateVehiclesGrantsProcurementsDocumentsState 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 · 22 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
28.02.2024e-Business Register
Address
Karamelli tn 2 // Pärnu mnt 139b, Kesklinna linnaosa, Tallinn, 11317 Harju maakondADS · e-Business Register
E-mail address
info@r2rationality.come-Business Register
Principal activity
EMTAK 62101 - Computer programming activitiese-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
10 000,00 €e-Business Register
LEI
894500UIFVN86HLXFB49 · issued 16.12.2025GLEIF
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
  • Activity licences
  • Recent registrations

Data

  • 79 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • FAQ
  • For journalists
  • Donate
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 7 sourcese-Business Register · 1 min agoMTAGLEIF
e-Business Register ↗

Registered 28. veebruar 2024, primary activity: Computer programming activities. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
194 €
▼ 100% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
7848 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 13.08.2026 (MTA)
Revenue 2026 (I-II kv)
2k €
▼ 100% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
13k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 13.08.2026 (MTA)

Officers

e-Business Register · 22 h ago
OS
Oleksandr Sierkov
Born 1983 · 43 y · board member since 28.02.2024
Board member

Founders

e-Business Register · 22 h ago
OS
Oleksandr Sierkov
Born 1983 · 43 y · founder since 28.02.2024
Founder · 10k €

Shareholders

e-Business Register · 22 h ago
OS
Oleksandr Sierkov
Born 1983 · 43 y · shareholder since 28.02.2024
Shareholder 100% · 10k €

Other persons

e-Business Register · 22 h ago
TO
TuneUp OÜLEGAL PERSON
Legal person · 14664287 · contact person since 17.02.2025
Contact person

Annual reports (2)

e-Business Register · annual reports · 9 päeva tagasi
Employees 2025
0
YearRevenueProfitEquityAssetsEmployees
2025551 242 €499 449 €500k €500k €0

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
1,0m €500k €0
202420252026

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
27.06.2026ReportEsitati 2025. aasta aruanne— Käive 551 242 €
2025
25.05.2025ReportEsitati 2024. aasta aruanne
17.02.2025OfficerSai rolli (kontaktisik)— TuneUp OÜ
17.02.2025FilingMuutmiskanne2×expand ›hide ⌃
27.06.2026
2024–−9348 €652 €652 €025.05.2025
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I-II Q1638 €6153 €6927 €–
2025553 185 €0 €0 €–
2024I-IV Q2028 €0 €0 €–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20261k €194 €––
State taxes 20262k €4k €––
Taxes on workforce 20263k €4k €––
Employees 2026––––
Revenue 2025736 €551k €2k €4 €
State taxes 20250 €0 €––
Taxes on workforce 20250 €0 €––
Employees 2025––––
Revenue 2024–2k €244 €153 €
State taxes 2024––0 €0 €
Taxes on workforce 2024––0 €0 €
Employees 2024––––
  • Ä 50249268 / 2 · Olek: Jõustunud
  • Kanne nr 2 · kanne

Analysis · 2025

computed from annual reports
Revenue551k €median 50k €11.0× the sector median
Net margin90.6%median 12.1%+78.5 pp vs sector median
Equity ratio100.0%
Current ratio4,631.56
Labour cost of revenue0.0%
Compared with2024

Peer group: Programmeerimine, 5,812 trading companies that filed a report in the last three years.

Founded 2024. That year 22,386 osaühing were registered; 21,863 are still trading, or 97.7%.