SIC Codes UK

Look up a classification code in the UK SIC 2007, UK SIC 2026 (the new replacement system), GICS (MSCI), or ICB (FTSE Russell) system. Returns the code name, hierarchy level, breadcrumb trail from root to code, child codes, and cross-classification mappings. For SIC 2026, also returns SIC 2007 predecessor codes with relationship type and confidence.

Search for UK SIC 2007 codes by business activity description. Describe what a business does in plain English and get ranked SIC code recommendations with relevance scores, hierarchy breadcrumbs, and GICS/ICB cross-classification mappings. Useful for finding the right SIC code for Companies House registration.

Convert a classification code between UK SIC 2007, UK SIC 2026, GICS (MSCI), and ICB (FTSE Russell) systems. Returns equivalent codes in the target system with confidence levels and relationship types. Supports converting SIC 2007 codes to SIC 2026 equivalents (and vice versa) with relationship info (unchanged, renamed, split, merged, retired, new).

Browse the hierarchy tree of a classification system (UK SIC 2007, UK SIC 2026, GICS, or ICB). Returns child entries at the next level. Omit parent_code to get top-level entries. Use this to explore what codes exist in each system. SIC 2026 has 22 sections, 87 divisions, 287 groups, 668 classes, and 410 subclasses.

Look up a UK company registered at Companies House by name or registration number. Returns company details including name, status, type, incorporation date, registered address, and SIC codes with their full names and GICS/ICB mappings. Covers 5.6 million UK companies.

Find UK companies registered under a specific SIC, GICS, or ICB classification code. Returns enriched company data including all SIC codes, GICS/ICB mappings, address, company type, and incorporation date. Supports filtering by postcode, date range, accounts category, and company type. Cursor pagination for large result sets.

Get an industry intelligence profile for a SIC, GICS, or ICB classification code. Returns company counts (active vs dissolved), top geographic locations, company type distribution, and cross-classification mappings. Useful for market sizing and sector analysis.

Search UK companies with flexible filters. Combine name search, postcode, status, incorporation date range, SIC/GICS/ICB codes, accounts category, and company type. Returns enriched results with all SIC codes, GICS/ICB mappings, and address details. Cursor pagination for large result sets.