What is Double?

Double provides AI‑driven lead research, enrichment, and email verification for sales and marketing teams. Its web‑search engine automatically gathers up to 10,000 prospect details at once, answering queries such as company size, remote policy, compliance status, product focus, or contact channels.

Verified email addresses are sourced from more than ten private data feeds, improving outreach accuracy and reducing bounce rates. The platform’s API and interface allow users to filter prospects by industry, technology stack, and company size, supporting highly tailored outreach campaigns.

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Double's key features

AI lead cleaning and qualification
GPT lead research and Q&A
Research thousands of prospects at once
AI-driven prospect attribute queries
Verified email extraction from multiple sources

Double use cases

Create hyper-targeted prospect lists for a B2B SaaS firm using Double’s industry and tech stack filters, automatically verifying 10,000 emails in bulk to reduce bounce rates
Create a real-time lead enrichment dashboard powered by Double, extracting company size, policy, and contact channels for every prospect, allowing sales reps to personalize outreach instantly
Create an automated bulk email verification pipeline with Double, integrating private feeds to confirm address validity for large marketing campaigns and improve deliverability