Published company profile

ER Rakentajat Oy

ER Rakentajat Oy is a Vantaa-based construction company founded in 1991 by Kari Kankkunen, offering new construction, renovation, and building technology services. The company expanded in 2019 by acquiring JV-Tekniikka Oy, adding industrial building technology and electrical contracting to its portfolio. It serves both private and business clients across the Helsinki metropolitan area, East Uusimaa, and the Lahti region.

Website: https://www.errakentajat.fiHeadquarters: 01200, FinlandTeam: 1-10Founded: 1991Model: B2B And B2C ServicesStage: EstablishedBusiness ID: 0831815-2

Updated 23 days ago

ConstructionBuilding Technology & MEPNew ConstructionRenovation & RefurbishmentIndustrial Building TechnologyElectrical ContractingAcoustics Solutions

01 — Financials

Financial overview

Revenue

€12,400,000

Operating profit

€1,850,000

Net profit

€1,240,000

Profit margin

10.0%

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02 — Signals & news

Recent activity

Data updates

People verifiedMar 23, 2026

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03 — Get in touch

Reach ER Rakentajat Oy

errakentajat.fi

01200, Finland

kari.kankkunen@errakentajat.fi

Key people

Kari Kankkunen

Founder & Owner

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