Seamless.ai alternatives
16 other B2B Waterfall Enrichment tools, ranked by Autonomous Execution Score. Each is measured against Seamless.ai: AES 63, contact sales.
Why teams look past Seamless.ai
- Aggressive annual contract auto-renewals reported by users
- Variable phone number accuracy
From Seamless.ai's verified tradeoffs. Full profile
Moving off Seamless.ai? Tell us your team and budget and we'll pick the 3 best replacements.
All 16 alternatives
| # | Tool | AutonomyAES | From | Shared integrations | Compare |
|---|---|---|---|---|---|
| 1 |  Dropcontact 100% GDPR-compliant European automated CRM data cleaning, deduplication, and B2B email enrichment engine. | 75 +12 | Not verified | 2/5 | Compare ↗ |
| 2 |  Cognism Premium international B2B intelligence with phone-verified Diamond Data and GDPR compliance. | 72 +9 | Contact sales | 4/5 | Compare ↗ |
| 3 |  Findymail High-accuracy B2B email finder and scraper with proprietary catch-all email cleaning and zero-bounce verification. | 71 +8 | $99/mo | 0/5 | Compare ↗ |
| 4 |  ZoomInfo Enterprise go-to-market data platform with comprehensive B2B intelligence, org charts, and intent signals. | 71 +8 | Contact sales | 4/5 | Compare ↗ |
| 5 |  FullEnrich Waterfall contact enrichment finding verified European and US business emails and direct dials. | 68 +5 | $55/mo | 1/5 | Compare ↗ |
| 6 |  LeadMagic B2B waterfall data provider delivering verified mobile numbers and real-time validated business emails. | 68 +5 | $99/mo | 0/5 | Compare ↗ |
| 7 |  Hunter.io Domain email finder and verification API trusted for discovering professional contact patterns and email deliverability. | 67 +4 | $0/mo | 2/5 | Compare ↗ |
| 8 |  Clay Automated outbound data workspace combining 75+ data providers, LinkedIn scraping, and AI research. | 67 +4 | Not verified | 2/5 | Compare ↗ |
| 9 |  Snov.io All-in-one cold outreach and sales CRM platform with email finder, 7-tier verification, and automated drip sender. | 64 +1 | $0/mo | 2/5 | Compare ↗ |
| 10 |  LeadIQ Prospecting and data capture software that eliminates manual data entry and verifies contacts directly into Salesforce and Outreach. | 64 +1 | $0/mo | 4/5 | Compare ↗ |
| 11 |  Datagma Real-time B2B data enrichment engine with automated job-change tracking and mobile finder. | 64 +1 | $0/mo | 2/5 | Compare ↗ |
| 13 |  Prospeo Email finder and verifier with real-time 98% deliverability verification. | 60 −3 | $0/mo | 0/5 | Compare ↗ |
| 14 |  ListKit B2B prospecting data provider delivering triple-verified email and phone lists with an absolute zero-bounce guarantee. | 60 −3 | $597/mo | 1/5 | Compare ↗ |
| 15 |  ContactOut B2B intelligence platform with 300M+ professionals, personal email addresses, and direct-dial phone numbers. | 60 −3 | Not verified | 3/5 | Compare ↗ |
| 16 |  Kaspr All-in-one prospecting tool providing accurate phone numbers and European emails directly from LinkedIn. | 60 −3 | Not verified | 2/5 | Compare ↗ |
| 17 |  Lusha Fast B2B prospecting tool delivering verified direct phone numbers and emails via browser extension. | 56 −7 | $0/mo | 2/5 | Compare ↗ |
Autonomy shows each tool's AES and its gap to Seamless.ai. Shared integrations counts the Seamless.ai integrations it also supports, a rough guide to switching effort. How scoring works