CompanyEnrich

# CompanyEnrich > B2B data API for company enrichment, company search, people search, jobs data, and AI-powered lookalike discovery. Access detailed, accurate company and people intelligence for over 30M companies and 170M professionals. ## The complete API suite for company and people data - [Company Enrichment API](https://companyenrich.com/product/company-enrichment-api): Enrich company data for over 30M+ companies using just a name, website, or social profile. Returns 60+ data points including firmographics, industry, employee count, revenue, NAICS codes, tech stack, funding, social profiles, and more. Real-time on-the-fly enrichment for companies not yet in the database. - [Company Funding API](https://companyenrich.com/product/company-funding-api): Search ~364K funded companies and ~670K funding rounds by funding stage, total raised, last round date, and investors. Each result returns total funding, funding stage, latest round (type, amount, announced date, investors), full round history, and firmographics. New rounds typically appear in the API within 15 days of announcement. Also supports single-domain lookup via the enrichment endpoint. Use for sales triggers on recently funded accounts, market maps, investor portfolio analysis, account scoring, and AI research workflows. - [Ad Intelligence API](https://companyenrich.com/product/ad-intelligence-api): Find companies running ads on Meta (Facebook and Instagram), Google, and professional ad networks. Filter by ad platform and recency to find live advertisers in any segment. Each result returns company-level ad activity, is_running_ads, platforms, last_ad_seen, direct ad-library links, and firmographics. Use the ad-library links to review creative and copy. Also supports single-company checks for known accounts. Use for sales triggers on actively-spending accounts, competitive channel-mix intelligence, market maps of advertisers, and CRM enrichment with paid-acquisition signals. - [Jobs API](https://companyenrich.com/product/jobs-api): Search active job postings by company, role, location, seniority, department, remote status, and recency. Each result can return job title, company, domain, location, source URL, first-seen date, last-seen date, active status, and company context. Use for sales triggers from hiring activity, talent sourcing, market intelligence, CRM enrichment, and AI research workflows. - [CRM Enrichment API](https://companyenrich.com/product/crm-enrichment-api): Keep CRM accounts and contacts fresh with API-first enrichment. Fill native coverage gaps, refresh stale records, compare people data to spot job changes, power lead routing and account scoring, trigger plays from headcount or technology signals, and find lookalike companies from closed-won accounts. - [Company Search API](https://companyenrich.com/product/company-search-api): Search 30M+ companies by industry, location, size, revenue, technologies, NAICS codes, and 15+ other criteria. Supports AI-powered semantic search in plain English alongside structured filters. Includes both include and exclude filters. - [Similar Companies API](https://companyenrich.com/product/similar-companies-api): Find lookalike companies using AI-powered multi-attribute matching based on business model, context, and what companies actually do. Returns similarity scores and full enriched profiles. Use for sales prospecting, competitive analysis, TAM sizing, and market research. - [Company Headcount API](https://companyenrich.com/product/company-headcount-api): Get employee headcount data for any company by domain. Returns observed employee count, employee count range, department-level breakdown (engineering, sales, marketing, product, finance, HR, design, C-suite, legal, and more), and monthly historical snapshots going back years. Use for growth monitoring, sales intelligence, targeted prospecting, and department-level hiring trend analysis. - [People Search API](https://companyenrich.com/product/people-sea […gekürzt]