Finnish Companies MCP Server

1

Add it to Claude Code

Run this in a terminal.

Run in terminal
claude mcp add finnish-companies -- npx -y mcp-finnish-companies
README.md

MCP server for the Finnish company registry (PRH/YTJ)

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

Tool Description
search_companies Search by name, location, Business ID, company form, industry, or postal code
company_lookup Detailed lookup by Finnish Business ID (Y-tunnus)
search_by_industry Find companies by TOL 2008 industry classification
recent_registrations Track 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

Code Type
OY Limited company (Osakeyhtiö)
OYJ Public limited company (Julkinen osakeyhtiö)
KY Limited partnership (Kommandiittiyhtiö)
AY General partnership (Avoin yhtiö)
OK Cooperative (Osuuskunta)
SÄÄ Foundation (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

Tools (4)

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

Configuration

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

Try it

→Find tech companies in Helsinki using the industry code 62010.
→Look up the official details for Nokia using their company form OYJ.
→What companies were registered in Tampere this week?
→Look up the company details for Business ID 0112038-9.

Frequently Asked Questions

What are the key features of Finnish Companies?

Search companies by name, location, Business ID, company form, or industry. Detailed lookup by Business ID (Y-tunnus) including addresses and history. Industry search using TOL 2008 classification codes. Track recent business formation trends through registration data. Uses official government open data API with no authentication required.

What can I use Finnish Companies for?

Market research for identifying new business entities in specific Finnish regions. Due diligence and verification of Finnish business registration details. Tracking industry-specific growth trends using TOL 2008 classification. Automated monitoring of new company registrations for lead generation.

How do I install Finnish Companies?

Install Finnish Companies by running: npx -y mcp-finnish-companies

What MCP clients work with Finnish Companies?

Finnish Companies works with any MCP-compatible client including Claude Desktop, Claude Code, Cursor, and other editors with MCP support.

Turn this server into reusable context

Keep Finnish Companies docs, env vars, and workflow notes in Conare so your agent carries them across sessions.

Need the old visual installer? Open Conare IDE.
Open Conare
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