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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!

Killer Demand Generation Campaigns

You’re not getting as many leads as you would like. So you develop a lead generation campaign. The only problem is you’re not getting enough attention from your target customers. So the leads are low-quality or non-existent.

What do you do to counter this?

You need to build a killer demand generation campaign. By focusing on demand gen, you can better control the visibility and attention your brand gets. Then as you get more eyes on your company from prospects, you’ll have an easier time turning them into leads.

How can Kloser help?

There are several components you want to focus on when developing your demand generation campaign. But the most important is finding your ideal prospects and the ability to directly reach them. This is where Kloser truly shines. We give you all the right tools to zero in on the perfect prospect list and we deliver you this list with all the necessary attributes to directly contact them. What are you waiting for?

95% Deliverability Guarantee

If more than 5% of our emails bounce back, we'll provide credits for more data.

Premium Full Contacts

Contact from every angle by email, LinkedIn, phone, and much more. Don’t miss your chance to make a connection.

Search, Order, Download!

Within minutes, you can download a database of contacts and start connecting with your audience.

International Product Range

Connect with high-level managers at companies in the US, UK, Canada, Europe, Asia, and more.

Unmatched Accuracy

Both automated and manual processes ensure the accuracy of our human-verified, AI-enhanced lists.

Affordable Pricing

Quality email lists enable businesses to make B2B connections for an amazingly low price.

CRM Ready Files

Download your list as a .csv file, integrate it into your CRM, and start networking.

Direct Contacts Only

Don't bother contacting generics (such as contact@). With our lists, you can email real people.

Curated Lists

Build your list with our intuitive list builder, or buy one of our curated pre-built contact lists of CXO, managers, and stakeholders in several industries. Market to your target audience, whether it's doctors or CFOs. We have more than 100 lists to choose from!

Explore Lists

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.










When were your data lists last updated?

Our data is verified weekly. We have developed a complex algorithm for this purpose. With this algorithm, we check the accuracy levels of our data against millions of sources and apply necessary updates.

How long does it take to get my email list after I order online?

You can instantly download your database after your order is confirmed.

I want to place an order, but I have doubts about the accuracy of the data. Why should I trust you?

All of the records we sell have a 95% accuracy guarantee. If you encounter a lower accuracy rate, you can contact our customer relations staff and we will provide you new data for free to make up the difference. We call it our Bounce-Back Guarantee.

Do customers download files as Excel files?

We offer Excel files, .cvs files or .txt files.