Eero Koistinen Oy
Eero Koistinen Oy is a Finnish limited company (Oy), listed in the Finnish Trade Register since 19.04.1995. Primary activity is other miscellaneous specialised construction activities n.e.c. (TOL 43999). The company is located in Nastola.
Overview
About the company
Eero Koistinen Oy is a Finnish limited company (Oy), listed in the Finnish Trade Register since 19.04.1995. Primary activity is other miscellaneous specialised construction activities n.e.c. (TOL 43999). The company is located in Nastola.
Basic data
- Business name
- Eero Koistinen Oy
- Registry code
- 0997632-5
- Legal form
- Limited company (Oy)
- Status
- Active
- First registration
- 19.04.1995
- Address
- RISTOLANTIE, 15560, Nastola
- Primary activity (TOL)
- 43999 – Other miscellaneous specialised construction activities n.e.c.
Financials
Revenue trend
Annual reports
| 2021 | 2025 | |
|---|---|---|
| Revenue | 27 k€ | 39 k€ |
| Operating profit | 11 k€ | 11 k€ |
| Op. margin | 44.0 % | 30.5 % |
| Growth | +350.0 % | +0.0 % |
| Equity ratio | 40.0 % | 90.0 % |
| Employees | – | – |
| Balance sheet | 15 k€ | 78 k€ |
Tax data 2022–2024
| 2022 | 2023 | 2024 | |
|---|---|---|---|
| Taxable income | 3 k€ | 19 k€ | 23 k€ |
| Tax assessed | 588 € | 4 k€ | 5 k€ |
| Effective tax rate | 20.0 % | 20.0 % | 20.0 % |
| Tax refund | – | – | – |
| Back-tax owed | 588 € | 4 k€ | 807 € |
Source: official public tax records.
Board and representatives
Active people registered in the official company register, by role.
About Eero Koistinen Oy
Eero Koistinen Oy (Business ID 0997632-5) is a Finnish limited company (Oy), registered in the Trade Register on 19.04.1995. Latest reported revenue is 39 k€ (2025), based in Nastola.
The company's declared primary activity is other miscellaneous specialised construction activities n.e.c.. Browse other companies in the same field on Other miscellaneous specialised construction activities n.e.c..
FlowDial users get this company's full decision-maker list, contact details, tech stack, and financial history directly from the app. Sign in or try for free.
Frequently asked questions
Similar companies
Looking for decision-makers in this segment?
FlowDial connects 500,000+ Finnish companies across hundreds of data fields. Filter, target, and export leads directly to your CRM.
Book a demo →