Promethor Oy
Promethor Oy is a Finnish limited company (Oy), listed in the Finnish Trade Register since 17.05.1995. Primary activity is other engineering design and technical consultancy incidental to building construction (TOL 71126). The company is located in Turku.
Overview
About the company
Promethor Oy is a Finnish limited company (Oy), listed in the Finnish Trade Register since 17.05.1995. Primary activity is other engineering design and technical consultancy incidental to building construction (TOL 71126). The company is located in Turku.
Basic data
- Business name
- Promethor Oy
- Registry code
- 0996539-4
- Legal form
- Limited company (Oy)
- Status
- Active
- First registration
- 17.05.1995
- Address
- Rautakatu, 20520, Turku
- Primary activity (TOL)
- 71126 – Other engineering design and technical consultancy incidental to building construction
- Website
- https://www.promethor.fi
Financials
Revenue trend
Annual reports
| 2023 | 2024 | 2025 | |
|---|---|---|---|
| Revenue | 1,5 M€ | 1,4 M€ | 1,5 M€ |
| Operating profit | 384 k€ | 392 k€ | 424 k€ |
| Op. margin | 25.1 % | 27.4 % | 28.5 % |
| Growth | – | – | – |
| Equity ratio | 88.4 % | 89.6 % | 87.8 % |
| Employees | – | – | – |
| Balance sheet | 2,7 M€ | 2,8 M€ | 3,0 M€ |
Tax data 2020–2024
| 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|
| Taxable income | 453 k€ | 523 k€ | 491 k€ | 398 k€ | 417 k€ |
| Tax assessed | 92 k€ | 106 k€ | 100 k€ | 81 k€ | 85 k€ |
| Effective tax rate | 20.34 % | 20.34 % | 20.34 % | 20.34 % | 20.34 % |
| Tax refund | – | – | – | 25 k€ | 15 k€ |
| Back-tax owed | 24 k€ | 43 k€ | 7 k€ | – | – |
Source: official public tax records.
Board and representatives
Active people registered in the official company register, by role.
Location on map
The company's registered location: Turku.
About Promethor Oy
Promethor Oy (Business ID 0996539-4) is a Finnish limited company (Oy), registered in the Trade Register on 17.05.1995. Latest reported revenue is 1,5 M€ (2025), with about 14 employees, based in Turku.
The company's declared primary activity is other engineering design and technical consultancy incidental to building construction. Browse other companies in the same field on Other engineering design and technical consultancy incidental to building construction.
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