Lead DatabaseSearch companies and decision-makers, then qualify before contact lookupAI Assistant & MCP ToolsFind ideal leads, prepare lists, and set the right filters for youEnrichAdd phone numbers, emails, and firmographics to your recordsWorkflowsSchedule one configured enrichment field with a visible cadence and run history
Build B2B audiences for ads.
Enrich CRM contacts with mobile numbers and LinkedIn profiles to build stronger audiences across Meta, Google and LinkedIn.
Audience reach48.2k
Leading companies trust Leadbase
Give ad platforms more data to match. Business emails alone leave valuable CRM contacts unmatched on major ad platforms.
Example: Standard Custom Audiences (1000 B2B contacts)
5% match rate
= high advertising costs
Example: With Leadbase Data Enrichment (1000 B2B contacts)
48% match rate
= up to 9x larger audiences
Build audiences from customers you know. Add mobile numbers and LinkedIn profiles that ad platforms can actually match.
LinkedIn Profile Enrichment
Add LinkedIn profiles with position and company context to prepare more precise B2B audiences for LinkedIn Ads.
Mobile targeting
Add mobile numbers to give Meta and Google Customer Match another reliable identifier for your existing contacts.
Perfect lookalike audiences
Build clean seed lists from enriched top customers and use them as the basis for finding similar prospects.
Precise company data
Get positions, addresses and company sizes for extremely precise targeting. Ideal for account-based marketing and targeted B2B campaigns.
Audience reach48.2k
This is how Leadbase works for advertising
Turn existing CRM contacts into platform-ready audiences in three clear steps.
Enrich CRM data
Leadbase analyzes your existing B2B contacts and automatically adds personal email addresses, mobile phone numbers and additional company data.
Create custom audiences
Export contacts platform-specific: mobile phone numbers for Meta/Google Custom Audiences, LinkedIn profiles for LinkedIn Ads. Match rates can improve significantly.
Start profitable campaigns
Use enriched custom audiences for retargeting and build focused lookalike audiences for new customer acquisition.
Frequently asked questions.
Significantly better match rates for profitable advertising campaigns
No more tiny custom audiences. With the right data for each platform (mobile numbers for Meta/Google, LinkedIn profiles for LinkedIn) you will reach significantly more customers.
