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mcp-finnish-companies

Provides access to the Finnish company registry (PRH/YTJ) to search for businesses and retrieve detailed information using Business IDs. It enables users to perform industry-specific searches and track recent company registrations through official government open data.

Updated
Feb 20, 2026

mcp-finnish-companies 🇫🇮

MCP server for the Finnish company registry (PRH/YTJ - Patent and Registration Office). Part of the Nordic MCP Toolkit.

Features

  • Search companies by name, location, Business ID, company form, or industry
  • Lookup by Business ID (Y-tunnus) with full detail: addresses, registers, history
  • Industry search using TOL 2008 classification codes or text
  • Recent registrations tracker for new business formation trends
  • Free government open data API (CC BY 4.0), no API key required

Tools

ToolDescription
search_companiesSearch by name, location, Business ID, company form, industry, or postal code
company_lookupDetailed lookup by Finnish Business ID (Y-tunnus)
search_by_industryFind companies by TOL 2008 industry classification
recent_registrationsTrack newly registered companies over a time period

Installation

{
  "mcpServers": {
    "finnish-companies": {
      "command": "npx",
      "args": ["-y", "mcp-finnish-companies"]
    }
  }
}

Or run locally:

git clone https://github.com/robobobby/mcp-finnish-companies.git
cd mcp-finnish-companies
npm install
node src/index.js

Examples

  • "Find tech companies in Helsinki" → search_companies with location="Helsinki", business_line="62010"
  • "Look up Nokia's details" → search_companies with name="Nokia", company_form="OYJ"
  • "What companies were registered in Tampere this week?" → recent_registrations with location="Tampere"
  • "Look up Business ID 0112038-9" → company_lookup with business_id="0112038-9"

Company Form Codes

CodeType
OYLimited company (Osakeyhtiö)
OYJPublic limited company (Julkinen osakeyhtiö)
KYLimited partnership (Kommandiittiyhtiö)
AYGeneral partnership (Avoin yhtiö)
OKCooperative (Osuuskunta)
SÄÄFoundation (Säätiö)

API

Uses the PRH Open Data YTJ API v3 (Creative Commons BY 4.0). Free, no authentication required.

Part of the Nordic MCP Toolkit

License

MIT

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