SIRIUS ADVISORY OÜ
SIRIUS ADVISORY OÜ is a OÜ based in Tallinn, registry code 17097877, status: active. Main activity: Bookkeeping, tax consulting. According to EMTA, turnover for Q3 2026 was €24 022 with employees.
Q3 2026 · data from the Tax and Customs Board (EMTA)
Position in the industry
- Turnover · Q3 2026 24 022 €above 76% of companiesindustry median 9 740 € · companies in the industry: 3 327
- Revenue · 2025 53 837 €above 86% of companiesindustry median 12 784 € · companies in the industry: 8 416
- Net profit margin · 2025 67.5 %above 87% of companiesindustry median 14.8 % · companies in the industry: 6 880
Taxes and turnover
- Company
- Industry median
Industry: Legal and accounting activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
- Company
- Industry median
Industry: Legal and accounting 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 | 24 022 | 3 025 | — | — |
| Q2 2026 | 15 493 | 1 315 | — | — |
| Q1 2026 | 28 834 | 11 893 | 5 447 | — |
| Q4 2025 | 20 744 | 15 268 | 6 748 | 1 |
| Q3 2025 | 28 218 | 7 833 | 4 396 | 1 |
| Q2 2025 | 30 256 | 9 771 | 4 396 | 1 |
| Q1 2025 | 4 750 | — | — | 1 |
| Q4 2024 | — | — | — | — |
Financials by year
- Company
- Industry median
Industry: Legal and accounting activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
- Company
- Industry median
Industry: Legal and accounting activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
- Company
- Industry median
Industry: Legal and accounting activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
- Company
- Industry median
Industry: Legal and accounting 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 | 53 837 | 36 320 | 13 380 | 43 937 | 39 320 | 1 |
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 Oct 2024 – 30 Jun 2025 | 12 Sep 2025 | Company’s own | e-Äriregister |
Board
- Kadri KoopBoard member · since 23 Oct 2024
- Mariel AkkermannBoard member · since 23 Oct 2024
Right of representation
Any member of the management board may represent the private limited company in all transactions.
Owners
- Mariel AkkermannNatural person · 1 500 €
- KKP KOKKU OÜLegal person · 16885880 · 1 500 €
Beneficial owners
- Kadri KoopIndirect ownership · since 23 Oct 2024
- Mariel AkkermannDirect ownership · since 23 Oct 2024
Founders and other persons
- Mariel AkkermannFounder · 1 000 € · 21 Oct 2024
- KKP KOKKU OÜFounder · 1 000 € · 21 Oct 2024
- LawInAcco OÜFounder · 1 000 € · 21 Oct 2024
Related companies
Activities (EMTAK)
- 69202Bookkeeping, tax consulting Main
Rulings
All rulings (PDF)| Number, date | Title | Deadline | State | Document |
|---|---|---|---|---|
| Ä 50267215 / 4 17 Feb 2026 |
Amendment entry | In force 17 Feb 2026 |
||
| Ä 50267215 / 3 17 Feb 2026 |
Amendment entry | In force 17 Feb 2026 |
||
| Ä 50267215 / M1 6 Feb 2026 |
Ruling to eliminate deficiencies | 8 Mar 2026 | Deficiencies eliminated 17 Feb 2026 |
|
| Ä 50267215 / 2 19 Jun 2025 |
Amendment entry | In force 19 Jun 2025 |
||
| Ä 50267215 23 Oct 2024 |
First entry | In force 23 Oct 2024 |
Sources: e-Äriregister and EMTA. Data updated 31 Oct 2026. Open at the source ↗ · Report an error in the data