Question: I'm looking for a tool to find and validate B2B email addresses with high accuracy.

If you're looking for a service to find and validate B2B email addresses with high accuracy, Clearout is a good candidate. Clearout provides email validation, an email finder with confidence scoring, and real-time validation through APIs or widgets. With a 98%+ accuracy rate and compliance with GDPR, SOC 2 Type 2, and ISO, it's built to improve deliverability and reduce bounce rates. It integrates with popular email marketing tools like HubSpot and Mailchimp.

Another powerful service is Emailable, which boasts 99% accuracy on email verification. It offers bulk list verification, an email verification API, and a real-time validation widget. Emailable helps maintain email hygiene by verifying emails before sending campaigns and reducing bounces. It integrates with over 50 popular email marketing tools and handles large volumes of emails, making it a good choice for improving domain reputation and campaign ROI.

For those who want an all-in-one email outreach service, Hunter offers an AI-powered platform to find contact information, send cold emails and verify email addresses to avoid bounces. It integrates with Google Sheets, CRM systems and thousands of destinations through Zapier. Hunter's bulk email finder and API access make it a good choice for lead generation and efficient outreach, and it has high ratings on Capterra and Trustpilot.

Last, AeroLeads is another good option, with access to a database of more than 750 million business emails and phone numbers. Its features include real-time email verification, bulk upload options and integration with popular CRMs. AeroLeads verifies contact information in real time to ensure it's accurate and up to date, making it a good choice for businesses and sales teams looking to improve their email marketing.