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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 62011 — Programmeerimine·2+ years
Andmed · ···
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Overview

e-Business Register · 16 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 62011 - Programmeeriminee-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

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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 8 sourcese-Business Register · 4 min agoMTAGLEIF
e-Business Register ↗

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

Revenue 2026 (I kv)
1444 €
▲ 96% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
5232 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 27.06.2026 (MTA)
Revenue 2026 (I kv)
1k €
▲ 96% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
5k €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 27.06.2026 (MTA)

Officers

e-Business Register · 16 h ago
OS
Oleksandr Sierkov
Born 1983 · 43 y · board member since 28.02.2024
Board member

Founders

e-Business Register · 16 h ago
OS
Oleksandr Sierkov
Born 1983 · 43 y · founder since 28.02.2024
Founder · 10k €

Shareholders

e-Business Register · 16 h ago
OS
Oleksandr Sierkov
Born 1983 · 43 y · shareholder since 28.02.2024
Shareholder 100% · 10k €

Beneficial owners

e-Business Register · 16 h ago
OS
Oleksandr Sierkov
Born 1983 · 43 y · ultimate beneficial owner since 28.02.2024
Ultimate beneficial owner

Other persons

e-Business Register · 16 h ago
TO
TuneUp OÜLEGAL PERSON
Legal person · 14664287 · contact person since 17.02.2025
Contact person

Annual reports (1)

e-Business Register · annual reports · 18 h tagasi
YearRevenueProfitEquityAssetsEmployees
2024–−9348 €652 €652 €025.05.2025
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
1,0m €500k €0
202420252026

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
25.05.2025ReportEsitati 2024. aasta aruanne
17.02.2025OfficerSai rolli (kontaktisik)— TuneUp OÜ
17.02.2025FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50249268 / 2 · Olek: Jõustunud
  • Kanne nr 2 · kanne
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q1444 €2461 €2771 €–
2025553 185 €0 €0 €–
2024I-IV Q2028 €0 €0 €–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20261k €–––
State taxes 20262k €–––
Taxes on workforce 20263k €–––
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––––