Scalestack vs. Seamless (formally Seamless.AI)

We believe software should serve people, not the other way around. Scalestack is the governed layer between your database and execution. Trusted, AI-ready context available everywhere. We put our AI agents to work cleaning and enriching your data, and turn the results into governed workflows your teams and agents can trust and run on. Replace disconnected and duplicated processes with one controlled layer across your existing systems. Give every team and agent reliable access, clear oversight, and cost visibility.

Seamless is a real-time B2B search engine for contact data that provides verified emails, cell phone numbers and sales insights to find, connect and close your next big deal. Our platform includes 1.7B+ Contacts and 150M Company Profiles researched, including Buyer Intent, Job Changes and Data Enrichment, all powered by AI to ensure you always have the most accurate data possible. Our sales intelligence and lead intelligence tool is used by over 1,000,000 users across the globe to automate the tedious process of list building.