Finnish Company by Business ID (PRH Business Information System)

prhytj/company-by-business-id

One company of the Finnish Trade Register by its business ID (Y-tunnus, such as 0112038-9): registered and auxiliary names with their dates, main line of business (in Finnish, Swedish and English), company form, registered entries, addresses, website, status and registration dates. An id nobody holds, or one that does not check out, returns an empty list, not an error. Finnish Patent and Registration Office (PRH) data, passed through unmodified and served by Eden Engine; not an official PRH product.

activeper callv1

Price

$0.0026 per call

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $5.

Data source

Finnish Patent and Registration Office (PRH)

Data from the Finnish Patent and Registration Office (PRH) open data, Finnish Business Information System (YTJ). Credit: Finnish Patent and Registration Office (PRH). Served by Eden Engine; not an official PRH product.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

Connect once and your AI can find and run this tool, and any other it needs.

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agent

// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "prhytj/company-by-business-id" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "prhytj/company-by-business-id" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "prhytj/company-by-business-id", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "prhytj/company-by-business-id", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

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Pricing

Every charge this tool can incur.

Charge	Price
Per call	$0.0026

Updated: Oct 20, 2026

Input and output schemas

Input schema

input_schema.json

{
  "type": "object",
  "required": [
    "business_id"
  ],
  "properties": {
    "business_id": {
      "type": "string",
      "pattern": "^[0-9]{7}-[0-9]$",
      "description": "The Finnish business ID (Y-tunnus): seven digits, a hyphen and a check digit, for example 0112038-9."
    }
  },
  "additionalProperties": false
}

Output schema

output_schema.json

{
  "type": "object",
  "required": [
    "totalResults",
    "companies"
  ],
  "properties": {
    "companies": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "names": {
            "type": "array",
            "items": {
              "type": "object",
              "additionalProperties": true
            },
            "description": "Registered names, each with `name`, `type` (1 is the company name, 3 an auxiliary name), `registrationDate` and `endDate`."
          },
          "status": {
            "type": "string"
          },
          "endDate": {
            "type": "string"
          },
          "addresses": {
            "type": "array",
            "items": {
              "type": "object",
              "additionalProperties": true
            }
          },
          "businessId": {
            "type": "object",
            "description": "`value` is the business ID (Y-tunnus), with its `registrationDate`.",
            "additionalProperties": true
          },
          "companyForms": {
            "type": "array",
            "items": {
              "type": "object",
              "additionalProperties": true
            },
            "description": "Legal form, described in three languages."
          },
          "mainBusinessLine": {
            "type": "object",
            "description": "Main line of business: `type` (an industry code) and `descriptions` in Finnish (languageCode 1), Swedish (2) and English (3).",
            "additionalProperties": true
          },
          "registrationDate": {
            "type": "string"
          },
          "registeredEntries": {
            "type": "array",
            "items": {
              "type": "object",
              "additionalProperties": true
            },
            "description": "Register entries with their dates."
          },
          "tradeRegisterStatus": {
            "type": "string"
          }
        },
        "additionalProperties": true
      },
      "description": "The company, as a one-element list; empty when no company holds the id."
    },
    "totalResults": {
      "type": "integer",
      "description": "1 when the business ID is registered, 0 when not."
    }
  },
  "description": "The Business Information System response for the business ID.",
  "additionalProperties": true
}