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Reach decision-makers directly.
Find decision-makers with direct mobile numbers, verified emails and company context for focused B2B conversations.
Lisa Meier
Managing director · Mobile
Acme GmbH · Berlin
Live0:24
Queue3
Philip GrantVP Sales · Northwind1
Gabriel F.Founder · Orbit Labs2
Victoria B.CRO · Northline3Leading companies trust Leadbase
Skip the switchboard. Reach the right decision-maker directly instead of routing calls through generic company numbers.
Classic cold calling with 200 calls
15 decision makers
reached out of 200 calls
With Leadbase on 200 calls
115 decision makers
reached out of 200 calls
Complete contact data for every decision-maker. Build a complete calling list with direct mobile numbers, personal emails, and verified decision-maker profiles.
Private cell phone numbers
Direct mobile contacts from CEOs and C-level executives for instant conversations without gatekeepers.
Personal email addresses
Verified business emails for professional follow-ups and scheduled conversations.
LinkedIn profiles & social media
Complete social media profiles to build personal connections and targeted networking.
Lisa Meier
Managing director · Mobile
Acme GmbH · Berlin
Live0:24
Queue3
Philip GrantVP Sales · Northwind1Gabriel F.Founder · Orbit Labs2Victoria B.CRO · Northline3This is how it works in 2 simple steps
This is how it works in 2 simple steps
Enable data enrichment
Enrich your selected contacts together with mobile numbers, email addresses, and the decision-maker context for your next call.
Cold calling with complete data
Start your cold calling with verified contact details and reach decision-makers directly on their private cell phone numbers for the highest success rates.
Put phone research into practice.
Guide
Find B2B phone numbers with Claude Code or Codex
Connect Leadbase MCP, research direct numbers for your contacts and retrieve results without repeating paid requests.
Read moreDocumentationResearch emails and phone numbers through the API
Use the complete HTTP example to submit a phone question, retrieve the same batch and handle missing numbers.
Read moreDocumentationConnect your AI client to Leadbase
Set up the MCP connection and workspace access before your first contact lookup.
Read moreFrequently asked questions.
Start free with Leadbase. Try your target market with 200 starting credits. Find matching companies, check contact availability and see whether the list fits your sales process.Start for freeTalk to sales. Get a tailored walkthrough for your target market, contact needs, and sales workflow.Contact sales
Start now with direct decision-maker contacts
Start for free and discover direct mobile numbers for the decision-makers in your target market.
