O3 Energy OÜ
Activity
O3 Energy OÜ is a micro enterprise in professional, scientific & technical, with declared activity “Ehituslik insener-tehniline projekteerimine ja nõustamine” (EMTAK 71121). Annual revenue stands at 4.5 k € with 1 employees, ranks #24174 of 38,296 in professional, scientific & technical.
Overview (2024)
Revenue
4.5 k €
▼ 94.8%YoY
▼ 2.6×below industry median
Profit
-8.1 k €
▼ 62.9%YoY
Profit margin
-179.1%
Employees
1
▼ 75.0%YoY
Revenue per employee
4.5 k €
Cost per employee
2.1 k €
Equity
2.4 k €
Growth
Revenue
4.5 k €
▼ 94.8%
1y
▼ 59.2%
3y CAGR
—
5y CAGR
Profit
-8.1 k €
▼ 62.9%
1y
▲ 54.8%
3y CAGR
—
5y CAGR
Employees
1
▼ 75.0%
1y
▼ 30.7%
3y CAGR
—
5y CAGR
Trends
Revenue trend
4.5 k €
Profit trend
-8.1 k €
Headcount trend
1
Capital structure
- Equity100%
- Liabilities0%
Financials
| Year | Revenue | Growth | Profit | Margin | Employees | Revenue per employee | Equity |
|---|---|---|---|---|---|---|---|
| 2024 | 4.5 k € | ▼ 94.8% | -8.1 k € | -179% | 1 | 4.5 k € | 2.4 k € |
| 2023 | 87.3 k € | ▼ 5.8% | -5.0 k € | -6% | 4 | 21.8 k € | 10.5 k € |
| 2022 | 92.6 k € | ▲ 39.1% | 1.0 k € | 1% | 4 | 23.2 k € | 15.5 k € |
| 2021 | 66.6 k € | ▼ 7.1% | -2.2 k € | -3% | 3 | 22.2 k € | 14.5 k € |
| 2020 | 71.7 k € | — | 11.6 k € | 16% | 3 | 23.9 k € | 16.7 k € |
| 2019 | — | — | — | — | — | — | — |
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Official announcements
View announcements on Ametlikud Teadaanded →
Court rulings
Search court rulings on Riigi Teataja →
General info
- Address: Harju maakond, Tallinn, Kristiine linnaosa, Vesipapi tn 2
- Registered: 2017-07-07
- View in Business Register
Shareholders
Ownership chain
- O3 Technology OÜ100.00%
- Martin Kiil25.00%
- Mikk Tasa25.00%
- Hiimek OÜ25.00%
- Mihkel Hiielaid100.00%
- MAVI OÜ25.00%
- Mats Viisileht100.00%
Beneficial owners
- Mikk Tasa
Board (2)
- Mats Viisileht — Juhatuse liige (since 2025-05-05)
- Mihkel Hiielaid — Juhatuse liige (since 2025-05-05)