Our Core Solutions
Lead
Validation
Validate, verify, and enhance leads. Determine if the person submitting the form is in fact a real lead.
Address
Append
Add postal address, email address, phone number and demographic attributes to as little as a name, city, state.
NationBuilder
App
NationBuilder’s exclusive data partner. Validate, verify and add contact info to your lists directly in NationBuilder.
API
integration
Integrate Accurate Append’s data append and hygiene capabilities directly into your business processes.
The Best Data Append Solutions
We’ve worked with many industries to provide complete data append solutions – from real estate to home improvement to nonprofit fundraising. We’re happy to use our decades of experience in the data appending business to provide customized solutions for your data quality needs. We understand that every organization’s challenges are unique, so give us a call to see how our data can go to work for you.
Call us at 888-979-9813 for a free consultation

What is data appending?
- Your contact databases include incomplete and outdated entries.
- Our consumer databases include billions of data points on U.S. consumers, such as the best landline and cell phone numbers, email addresses, postal moves, and extensive demographic information, from dates of birth to interests.
- We’ll use proprietary algorithms to make a recipe that updates your data with the most complete information possible, based on your needs and specifications.