R2 Rationality OÜ
R2 Rationality OÜ is a OÜ based in Tallinn, registry code 16931338, status: active. Main activity: Computer programming activities. According to EMTA, turnover for Q3 2026 was €3 506 with employees.
Q3 2026 · data from the Tax and Customs Board (EMTA)
Position in the industry
- Turnover · Q3 2026 3 506 €above 22% of companiesindustry median 19 078 € · companies in the industry: 7 345
- Revenue · 2025 551 242 €above 93% of companiesindustry median 14 309 € · companies in the industry: 13 336
- Net profit margin · 2025 90.6 %above 92% of companiesindustry median 15.1 % · companies in the industry: 8 943
Taxes and turnover
- Company
- Industry median
Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
| Quarter | Turnover, € | State taxes, € | Labour taxes, € | Employees |
|---|---|---|---|---|
| Q3 2026 | 3 506 | 3 692 | 4 156 | — |
| Q2 2026 | 194 | 3 692 | 4 156 | — |
| Q1 2026 | 1 444 | 2 461 | 2 771 | — |
| Q4 2025 | 4 | — | — | — |
| Q3 2025 | 1 742 | — | — | — |
| Q2 2025 | 550 703 | — | — | — |
| Q1 2025 | 736 | — | — | — |
| Q4 2024 | 153 | — | — | — |
| Q3 2024 | 244 | — | — | — |
| Q2 2024 | 1 631 | — | — | — |
Financials by year
- Company
- Industry median
Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
- Company
- Industry median
Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
- Company
- Industry median
Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
- Company
- Industry median
Industry: Computer programming, consultancy and related activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
| Year | Revenue, € | Net profit, € | Labour costs, € | Assets, € | Equity, € | Employees |
|---|---|---|---|---|---|---|
| 2025 | 551 242 | 499 449 | 0 | 500 209 | 500 101 | 0 |
| 2024 | — | -9 348 | 0 | 652 | 652 | 0 |
Figures from the company’s own (non-consolidated) balance sheet and income statement. A loss is shown with a minus sign.
Financial ratios for 2025
Annual reports
| Year | Period | Filed | Report | Documents |
|---|---|---|---|---|
| 2025 | 1 Jan 2025 – 31 Dec 2025 | 27 Jun 2026 | Company’s own | e-Äriregister |
| 2024 | 28 Feb 2024 – 31 Dec 2024 | 25 May 2025 | Company’s own | e-Äriregister |
Board
- Oleksandr SierkovBoard member · since 28 Feb 2024
- TuneUp OÜContact person · since 17 Feb 2025
Right of representation
Any member of the management board may represent the private limited company in all transactions.
Owners
- Oleksandr SierkovNatural person · 10 000 €
Beneficial owners
- Oleksandr SierkovDirect ownership · DEU · since 28 Feb 2024
Founders and other persons
- Oleksandr SierkovFounder · 10 000 € · 28 Feb 2024
Activities (EMTAK)
- 62101Computer programming activities Main
Rulings
All rulings (PDF)| Number, date | Title | Deadline | State | Document |
|---|---|---|---|---|
| Ä 50249268 / 2 17 Feb 2025 |
Amendment entry | In force 17 Feb 2025 |
||
| Ä 50249268 28 Feb 2024 |
First entry | In force 28 Feb 2024 |
Sources: e-Äriregister and EMTA. Data updated 1 Nov 2026. Open at the source ↗ · Report an error in the data