Upload a CSV with names and companies. Get back a fully enriched list with verified emails — in minutes, not days.
No complicated setup. Just upload, process, and download.
Prepare a CSV with at minimum a first name, last name, and company domain or company name column. Leadsario auto-detects your column headers.
Our distributed infrastructure processes up to 10,000 rows per minute. Each row is independently searched and verified — no bottlenecks, no waiting.
Get notified when your list is ready. Download a CSV with all original columns plus: email address, confidence score, verification status, and sources found.
Built for teams that need scale without sacrificing accuracy.
Process 10,000 rows per minute with parallel enrichment across our distributed infrastructure. A list of 1,000 contacts is typically ready in under 2 minutes.
Every email in your enriched list goes through our 7-tier verification process. We only return addresses that pass MX record checks and SMTP handshake.
We only return publicly available business contact information. All data processing occurs in EU-based infrastructure and complies with GDPR Article 6 requirements.
Start with 100 bulk enrichments for free every month. No credit card required. Upgrade only when you need more volume — pricing scales with your usage.
"We uploaded 8,000 leads from a LinkedIn export and had verified emails back within 12 minutes. The hit rate was 91% — far better than any tool we've tried before."
Bulk Email Finder is the engine. These tools are the rest of the stack.
Find one email at a time — great for targeted outreach.
Learn more →Clean any existing list before sending to protect your domain.
Learn more →Capture leads from LinkedIn as you browse and auto-add to lists.
Learn more →Make sure your domain infrastructure is ready to send at scale.
Learn more →