lead-enrichment
(7)
Persana Built the Sales Machine - Then Pulled the Plug
Persana AI squeezed prospect research, enrichment, intent signals and outreach into one busy workspace. It won loyal sales teams, raised $2.3 million, and then shut the standalone product after joining Rox.
Crustdata
Crustdata is a San Francisco company that supplies real-time company and people data through clean APIs and webhooks built for AI agents. Founded in 2024 and part of Y Combinator's Fall 2024 batch, it pulls live data from many primary sources so AI SDRs, recruiting tools, and investment platforms can find the right person, watch for job changes and funding rounds, and act on fresh signals instead of stale databases.
The Hog
The Hog is a San Francisco startup from Y Combinator's Fall 2025 batch that packages people data, company data, web search, news, social signals, sentiment, and scraping behind a single pay-per-call API for AI agents and go-to-market teams. It routes each request through multiple data providers using waterfall logic, positioning itself as one endpoint that replaces a stack of tools like Clay, Apollo, Exa, and Tavily. Founded by growth operator Hudson Liao and AI engineer Paulo Nascimento, it aims to compress market research and outreach from hours into minutes.
Default
Default is a New York-based go-to-market software company building the data and infrastructure layer that revenue teams - and their AI agents - use to run sales, marketing, and operations. It began as an all-in-one inbound platform for lead routing, scheduling, forms, and enrichment, then rebuilt itself around a real-time revenue data layer and an AI agent named Dot that plans and executes GTM work across a company's connected CRM, marketing, and enrichment systems. Backed by 8VC, Craft Ventures, and Jack Altman with $20M in total funding, Default serves fast-growing companies including Perplexity, Cortex, Owner, and Airbyte.
Sumble
Sumble is a San Francisco AI startup building a knowledge graph of the world's external company data. Founded by Kaggle creators Anthony Goldbloom and Ben Hamner, it crawls job boards, company sites, social media, and regulatory filings, then uses large language models to surface technographics, org charts, and active projects for go-to-market teams. It emerged from stealth in October 2025 with $38.5M in funding and covers roughly 2.6 million companies worldwide.
Conversion
Conversion is a San Francisco AI-native marketing automation platform founded by UC Berkeley dropouts Neil Tewari and James Jiao. Built to replace legacy tools like HubSpot, Marketo and Pardot, it unifies product and CRM data, detects buying signals, and lets teams build personalized, no-code lifecycle campaigns. It serves 4,000+ companies, raised a $28M Series A led by Abstract Ventures in 2025, and is approaching eight-figure ARR.
LeadIQ
LeadIQ is a B2B sales intelligence and prospecting platform that helps revenue teams build pipeline faster through verified contact data, AI-driven personalization (Scribe), champion tracking, and one-click CRM enrichment - all delivered through a browser extension that lives where sellers already work.