Data Append Services

Enhance Your Client List With Email Addresses and Demographic Information

Append contact data, such as email address, phone number and postal address, as well as household financial data and demographic insights to your lists with match rates as high as 85 percent.

Automated Email Appending

Add email addresses to your voter and supporter list. With self-serve automated tools from Datafinder, you can easily upload your names and postal addresses, then append email addresses and other attributes to your list.

Automated Reverse Email Append

You can also enhance your existing email list with names, postal addresses, phone numbers and many types of demographic data. Reach out to your contacts in more ways to improve your campaign!

Online Audience Builder

Do you have a high quality list of prospects but you’re only reaching a small percentage of your list through online ads? Append multiple contact data points to improve online match rates by up to 3x.


Get More Information and a Free Match Report.