Companies / Finland
J. Holopainen Oy: company profile
J. Holopainen Oy is a limited company (Oy) in Finland, registry number 0626094-6, status active. J. Holopainen Oy is named as winner on 4 public contract award notices between 2021-02-17 and 2026-08-10, from buyers in Finland. Source: Arcadium Data, data as of .
J. Holopainen Oy works in specialised construction activities (NACE 43.34), was registered on 1986-11-12 and has its registered office in VANTAA.
Registry
| Item | Value |
|---|---|
| Register | Finnish Patent and Registration Office (PRH) business information system |
| Registry number | 0626094-6 |
| Registered name | J. Holopainen Oy |
| Legal form | limited company (Oy) |
| Status | active |
| Registered on | 1986-11-12 |
| Place | VANTAA, Finland |
| Sector (NACE) | Specialised construction activities (43.34) |
| LEI | 743700T7NGFQL4NXSJ12 |
From the public register (entry); the website was matched to the registry entry by the register's own website field. Companies only: sole traders and partnerships of persons are not listed.
Public contracts
J. Holopainen Oy is named as winner on 4 public contract award notices between 2021-02-17 and 2026-08-10, from buyers in Finland.
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More companies
- Same sector: Suorsa Group Oy · Kaivinkonetyöt Jantunen Oy · Kaiwur Oy · Maarakennus Kamara Oy
- Same place (VANTAA): Suomen Kalustoratkaisut Oy · Kuljetus ja maanrakennus Katupojat Oy · Kir-Fix Oy · Kotokunta Oy
- Also won contracts in the same country: JIS-Automation Oy · J & K Puukaato Oy · Rakennusliike J. Malm Oy
- Tenders in Finland · All companies
Data for J. Holopainen Oy via API and MCP
API: GET /v1/companies/jholopainen.fi returns this profile as JSON.
curl https://api.arcadiumdata.io/v1/companies/jholopainen.fiMCP: call company_profile with {"domain": "jholopainen.fi"} (Arcadium Data MCP server). Registry ids, open jobs, contracts won and company events are in the same response. Free API key.
Sources: public company registers, public procurement notices (TED and national portals), Arcadium Data matching of websites to registry entries. Company-level facts only; no names of people. Data as of 2026-10-28 (October 2026).
Questions
Is J. Holopainen Oy a registered company?
J. Holopainen Oy is a limited company (Oy) in Finland, registry number 0626094-6, status active.
Has J. Holopainen Oy won public contracts?
J. Holopainen Oy is named as winner on 4 public contract award notices between 2021-02-17 and 2026-08-10, from buyers in Finland.
Cite as: Arcadium Data, "J. Holopainen Oy: 4 public contracts, FI registry id", https://arcadiumdata.io/company/jholopainen.fi/, data as of 2026-10-28.