Build Targeted B2B Lists In Seconds

Affordable • Accurate • Guaranteed

Find sales leads with the #1 site for accurate business-to-business (B2B) email lists. Get the verified contact information of those in your target industry with Kloser. It's never been easier to buy an email list of good information that will help you make real connections! Zero in on your target audience and email leads with these databases to make more deals and boost your sales. You can buy mailing lists that have been curated by our team or create your own with our innovative list builder. Start finding new business contacts now!

Find any Business Email in seconds

Kloser uses public information, proprietary B2B databases, and state of the art artificial intelligence to find any business prospect’s email in seconds!

Connect with your LinkedIn prospects with ease

Kloser empowers you to unmask any business professional's work email address and phone number with a click of a button. Simply install the Kloser Chrome extension and visit any prospect's LinkedIn profile.

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“Sales representatives only spend 35.2% of their time selling!”


Stop wasting time on hunting down contact info when you could be selling. Start using Kloser and automate the non-revenue generating parts of your day! Our tools help you behave like the superhero you truly are!

Supercharge Yourself

See what others had to say after finding great success using Kloser!

Average User Rating on G2

Lucas S.

Software Sales

“I used to spend hours trying to reach a solid lead on Linkedin. Now, I have Kloser plugin open all the time and with just one click of a button I am working on closing a deal.”

Kathrine D.


“Since starting to use Kloser, I am hitting my targets with easy and my quota has been increasing. I think in a few more weeks I will become the top performer in our company! Thank you!”

Ken K.

Real Estate Sales

“I have been impressed with how responsive the Kloser team is to customer feedback. I have sent them a few ideas not expecting much. They are truly listening and have even implemented a few improvements I suggested.:

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The Best Use Kloser

The best performing and most innovative companies use Kloser to help their sales teams go further. Kloser helps them connect with prospects, convert more leads, and increase their revenue.

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