One API powering Chrome extensions, WordPress plugins, CRM integrations, and bulk enrichment. 10x cheaper than Companies House alternatives.
Drop-in components for any stack. Our API powers widgets, search bars, and data tables across every framework.
Instant company lookups right where you work. One click in Chrome or a standalone desktop app for power users.
Connect company data to your CRM, marketing tools, and workflows. Zero code required.
Instant lookups on any webpage. Hover over company names for rich data overlays.
Learn more →Upload a CSV, get enriched data back. Company status, SIC codes, addresses, and more.
Learn more →=COMPANYSTACK("Tesco") right in your spreadsheet. Real-time data, no code.
Learn more →Trigger workflows when companies change. Auto-enrich leads as they arrive.
Learn more →Add company search to any WordPress site. Shortcodes, widgets, Gutenberg blocks.
Learn more →Enrich leads with company data automatically. Know your prospect's company size, industry, and status before the first call.
Verify company existence and status in real-time. Automate due diligence checks for onboarding.
Segment audiences by company type, size, and location. Build targeted campaigns with accurate firmographic data.
Monitor company health indicators. Get alerts on dissolutions, late filings, and mortgage changes.
Start free, scale as you grow. No credit card required.
Join thousands of developers and businesses using CompanyStack.