Find, E-mail & Convert New Customers in Minutes

COSLR is a SaaS platform helping Sales Reps, Marketers, Recruiters, & Operators find the Business Leads or Prospects they need.

7-Day Free Trial – No Credit Card Required!
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500M Leads and 200+ Features, Built for Sales and Marketing Teams!

The most powerful sales and marketing platform available. Find names, email addresses, phone numbers, social media accounts, and more! Discover new prospects, contact them, & connect them straight to your sales team.

COSLR removes the pain of prospecting and cold outreach by automating the entire marketing and sales process. It enables you to focus on converting leads, not doing outreach.

If you’re selling a product or service – you need COSLR.



Find New Leads

Find email addresses & other contact information from over 500M leads. Enrich data from your existing lead lists.

Extract Targeted Lists

Extract email, phone numbers, social media profiles, and more from large professional social networks or company websites.

Automate Sending

Sales Cadences, Email Sequencing, or Newsletters. Connect a domain and send an unlimited amount of emails.

So Much More!

Daily Registered Domain list, Chatbot to capture + convert leads, Social Proof website widget, Reputation management, Fraud Detection API, and more!

Ready to Find More Leads?



Recruiting is really a sales and marketing role. I’m trying to sell my company to as many candidates as possible and COSLR helps me scale my outreach.

– Ellen, Recruiter for Fintech Startup

COSLR gives me one dashboard where I can automate everything from research to outreach. Now I focus on closing deals and exceeding my quota.

– Sahil, VP of Sales at Advertising Platform

Raising capital is a full-time job and COSLR gives me the platform to find the right investors and automate my pitch emails. It’s been a life-saver.

– Ken, COO at Blockchain Startup

Corporate leasing is competitive and I need to cast a wide net to get consistent deal flow. COSLR has allowed me to focus on closing inbound leads instead of outbound emails.

– Sarah, BDR at Commercial Real Estate Firm