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Rok Oy

ActiveBusiness ID 0351608-8Limited companyEst. 198042120 · Construction of railways and underground railwaysHelsinki, Uusimaa
Official record ↗
Age46 years
older than 96% of its sector
Same activity, Finland50live companies · 3rd oldest
In Helsinki84,023live companies · 4 in the same activity
At this address1only this company

In brief

Rok Oy is a limited company registered in Finland on 21 March 1980. At 46 years old it is older than 96% of the 50 live companies whose main activity is construction of railways and underground railways. Its registered office is in Helsinki, Uusimaa. 4 live companies in Helsinki share the same main activity.

Register details

Registered nameRok Oy
Business ID0351608-8
Company typeLimited company
Registered office00560 Helsinki
Nature of business (TOL 2025, Finnish SIC)42120 Construction of railways and underground railways
International sector (ISIC Rev.4)F · 42 Civil engineering

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated21 March 1980
VAT registerRegistered
Employer registerNot registered

Construction of railways and underground railways in Finland

Live companies whose main activity is 42120: 50 in total, median age 9 years, 3 incorporated in the past 12 months.

All 50 companies
This company's decadeOther decades
051015201970s: 221970s1980s: 441980s1990s: 331990s2000s: 882000s2010s: 15152010s2020s: 18182020s
Incorporated per year, still live
024682011: 220112013: 22014: 120142016: 32017: 120172018: 42019: 220192021: 32022: 220222023: 42024: 320242025: 42026: 22026

Location

Registered office in Helsinki, Uusimaa.

Live companies in Helsinki84,023
Same activity in Helsinki4
New in Helsinki, past 12 months5,606

Similar companies

Live companies with the same main activity, nearest first.

Compare all
NG
NRC Group Finland OyHelsinki, Uusimaa
Number 1007822-3Est. 1995
LW
LEONHARD WEISS SUOMI OyHelsinki, Uusimaa
Number 2237141-9Est. 2008
E
ENSCO OyHelsinki, Uusimaa
Number 3659115-6Est. 2026
O
Ojankaivuu OyHyvinkää, Uusimaa
Number 0232877-1Est. 1976
J
JoMus OyHyvinkää, Uusimaa
Number 2883702-1Est. 2018
OU
Oteran Uusimaa OyEspoo, Uusimaa
Number 3240190-9Est. 2021

Sources

Register data: Finnish Patent and Registration Office (PRH) open data (CC BY 4.0), delivery of 20 October 2026. Municipalities, regions and industry classification: Statistics Finland (CC BY 4.0). Context figures are computed by FirmsDB from these sources. This page is not an official register; check the company's entry in the Finnish Business Information System before relying on it.