sic-codes

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.