The right contacts, verified and live.
Most outbound fails on the list, not the message. A wrong title or a dead inbox means your best sequence never lands. Alta builds audiences from 50+ sources, verifies every contact before outreach, and keeps the list live as your market changes.
50%of a typical data provider's list is wrong
The problem
Most lists are wrong on arrival. Titles out of date, inboxes dead, contacts who left last quarter. Your best message can't land on the wrong person.
Build from anywhere
275M+ contacts, built in. Then layer in your CRM, LinkedIn, trigger events, webhooks, Google Maps, the audience marketplace, or a CSV. 50+ sources, no engineer required.
Verified before you reach out
Waterfall enrichment cascades through 20+ providers until each contact is complete and deliverability-checked. So you reach more of your market, with fewer bounces, and no wasted sends.
Audiences that stay alive
Signal-based audiences refresh continuously, pulling in new prospects as they match and re-validating at send time. Each one flows straight into the right campaign. No exports, no list rot.
How it works
From targeting criteria to a live, verified audience in three steps.
Define your audience
Start from Alta's 275M+ contacts, then add CRM, LinkedIn signals, web search, trigger events, or CSV. One audience, every source.
Alta enriches and verifies
20+ providers fill in and validate every contact before outreach begins. Enrichment re-runs at send time, so nothing goes stale.
Launch and keep it live
Reuse the audience across campaigns while it refreshes on its own. When a new prospect qualifies, the right campaign starts automatically.
Why teams choose Alta
AI acts. Your team wins.
״Alta's AI agents drove more pipeline and higher conversion rates while saving our reps hours every week. With outreach running 24/7, it felt like hiring an entire SDR team overnight."
