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About Us

Guestpost List’s reliable email list and contact information provide the direct marketing sector developments. We supply premium contact information from various sectors and levels that you can access and download with a few simple clicks. It’s never been easier to get leads!


Guestpost List is a marketing sector show stopper. Using our industry-first contact list, you can quickly search, buy, and export an email database you can use to engage your targeted leads. Typically, our clients leverage our mailing lists for various direct marketing campaigns.

We aren’t the only business that sells contact information, but what sets us apart is the quality of our solution. Our goal is to deliver contact lists that are entirely accurate and well qualified. We collaborate with ISPs and email service providers (ESPs) to ensure that our email databases are always current. Unlike our rivals, which may deliver a cumbersome mailing list, we provide the data files readily available to be loaded into your CRM program. A bonus is we guarantee a 95% success rate using our contact lists.

Why Choose Guestpost Lists?

We’re The Leader In Contact Data

Guestpost Lists has successfully established itself as a pioneer in providing contact information and helping clients build their email lists for direct and email marketing because of our unrivalled selection, accuracy, and client service.

Our Contact Lists Are Fully Verified

Guestpost Lists prides in the value of the data we provide and, as such, ensures that all of our B2C and B2B contact lists for marketing include only the finest, most updated, and precise contact details.

Customer service that is second to none

Whenever you acquire company contact lists from Guestpost Lists, you can be confident that you will be assigned a dedicated staff who will answer any of your questions regarding our email and business mailing lists.