PromptFiling — UK company deadlines

Free Companies House deadline checks for UK companies: due dates, penalties, dormancy signals.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
65%
Naming quality
90%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~246Tokens (tool definitions)
~311 BTypical response size
Minimal attention impact (0.19% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "deadlines": {
      "url": "https://mcp.promptfiling.co.uk/"
    }
  }
}

Remote endpoints

https://mcp.promptfiling.co.uk/streamable-http

What it can do

Tool inventory

Tools (2)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢check_company_deadlines(query)

Look up a UK limited company by company number (preferred — e.g. 01234567 or SC123456) or by name, and get its statutory Companies House deadlines: when annual accounts and the confirmation statement are due, days remaining, the automatic late-filing penalty for accounts, and dormancy signals from the public register. Free, no account; data from the official Companies House register.

Input Schema

{
  "type": "object",
  "properties": {
    "query": {
      "type": "string",
      "description": "Company number (8 digits, or 2 letters + 6 digits) or a company name to search"
    }
  },
  "required": [
    "query"
  ]
}
🟢uk_late_filing_penalties

The current Companies House late-filing penalty bands for annual accounts — private companies and public companies (plc) — the doubling rule for two late years running, and what missing a confirmation statement risks. Static reference — no lookup performed.

Input Schema

{
  "type": "object",
  "properties": {}
}

Community

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Evidence

Recent observations

verifiedversion not recorded2 tools
verifiedversion not recorded2 tools