# sic-codes

> Use this tool when you need to classify businesses or lookup company information in the UK, solving problems such as finding the right SIC code for a business activity or searching for companies by industry. It takes in plain English descriptions or codes as input and outputs corresponding SIC, GICS, or ICB codes, company records, or classification hierarchies. Use it for tasks like company research, industry analysis, or financial data mapping.

Canonical page: https://skillsregistry.net/skills/jackmmaher-sic-codes  
JSON: https://api.skillsregistry.net/v1/skills/jackmmaher-sic-codes

## Description

Free UK SIC code lookup, GICS/ICB cross-classification mapping, and Companies House company search.
  No API key required.

lookup_sic_code - Look up any SIC, GICS, or ICB code with full hierarchy and cross-mappings

search_sic_codes - Describe a business activity in plain English to find the right SIC code

convert_between_classifications - Convert between UK SIC 2007, GICS (MSCI), and ICB (FTSE Russell)

browse_classification_hierarchy - Browse the full SIC/GICS/ICB taxonomy trees

lookup_uk_company - Search 5.6 million Companies House records by name or number

search_uk_companies_by_industry - Find companies by classification code

Covers all 731 SIC 2007 codes, 273 GICS entries, 249 ICB entries, and 1,235 cross-classification mappings.

## Trust

- **Trust score (0–1):** 0.30
- **Verification tier:** unverified
- **Last scanned:** 2026-09-01

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** maps-location
- **Updated:** 2026-09-01

## Source

- **Source listing:** [Smithery](https://smithery.ai/server/jackmmaher/sic-codes)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "jackmmaher-sic-codes"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/jackmmaher-sic-codes` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/jackmmaher-sic-codes/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt