What is Data Enhancement and How Does it Help Marketers and Sales Teams?

Data enhancement, sometimes known as “data enrichment” or “data appending” starts with your existing database and lists and adds valuable data for qualifying and closing more leads.

Data enhancements for your customer lists may include information such as:

  • Addresses for direct mail
  • Additional call list data such as mobile phone and contactability scores
  • Demographic data for audience segmentation

Data enhancement fills in the gaps in your data and adds news customer insights that help marketing and sales teams close more business. With our API, self-service tools, and Proven Process you can start improving your audience lists today.

Popular Data Enhancement Requests

Turning 65 Wealth Score Green Score & much more!

Expand Your Customer Lists with Our Direct Marketing Database

Accurate Append’s data enhancement services build on your list, and we also offer customers the opportunity to match your direct marketing needs with thousands of selection criteria to expand your list from our audience database.

Start with demographic and geographic criteria and layer on enhancements including best phone number and email. We combine the best available data to give you the audience matches to grow your lead list today

Data Enhancement Gets You More Qualified Leads — Fast

Accurate Append’s Proven Process starts with a call with our expert data team, followed by a test to see how much we can improve your customer and prospect lists. You can also use our API and self-service options for automated and around-the-clock service. Whether you’re improving a mailing list, starting a calling campaign, or need to clean your emails for a big outbound push, we’re here to help you grow.

Call us at 888-979-9813 for a free consultation

Frequently Asked Questions About Data Enhancement

Data enhancement, also known as data enrichment or data append, is the process of adding new information to an existing data set, often to improve marketing programs. Accurate Append’s enhancement process starts with the information you have, and provides valuable insights based on our proprietary and third-party data sets. Our enhancement software includes self-service and API access.

Many data enhancement providers resell the same stale data over an over. That’s not what you need. With Accurate Append, you benefit from decades of expertise and partnerships with the top list companies in the business. We run your lists through a “waterfall” of possible matches to find the very best sources to fulfill your consumer marketing needs.

Our Proven Process for Data Enhancement begins with a discovery call to learn about your goals and existing data. We take a data sample and estimate how much we can help. Most of Accurate Append’s customers have experience with enhancing records but aren’t getting the best results. We can help with postal address, email database verification, audience enrichment, and more.

Marketing and Sales teams benefit from Data Enhancement with more information on your customers and prospects and more reliable ways to contact them. Our contact and demographic enhancements help you reach more people on the first call or email, and give you more tools for personalizing your direct marketing and segmenting audiences.

The data enhancement process provides opportunity for businesses to get the most out of their marketing dollars by sourcing the best right-part contact information and the insights required for cross-sell and up-sell opportunities. With our wealth of consumer information, you gain an enormous opportunity to personalize and customer your sales and marketing efforts.

All businesses can benefit from deeper insights into customers that propel your marketing strategies and gain your more quality leads. Enhancement tools are right for a wide range of industries and data-driven businesses that rely on real insight into consumer behavior. Get information such as income status, wealth of consumer, and even donor data enhancement services.

A donor data enhancement service includes information on the wealth of a consumer, inferred credit score ranges, income levels and income status, and consumer behavior data including Donor Score. Increase your fundraising opportunities with better right-party connects using phone, email, and address append and enhancement services.

Data enhancement services include mobile phone enhancements, right-party connect scoring, email marketing verification and append, and other data enrichments to improve your marketing programs. We can also add an improve location data including best postal address for direct mail campaigns.

Get an estimate based on a sample of your data enrichment file, or use our self-service or data enhancement API tools. Larger data sets and recurring needs mean the best pricing and most businesses with B2C needs can benefit from a subscription that aggregates your monthly use and provides volume pricing.

Personalize Your Customer Lists with Thousands of Unique Data Points

Data Enhancement gives you a full picture of the consumers in your marketing funnel.

Do you know whether your prospects are using more than one email or phone number? How about the best time to call and how recently they’ve picked up the phone? Accurate Append can fill the gaps.

Use our data enhancement services to go from the marketing database you HAVE to the audience segments you NEED. And, with our list-building services, you can grow your target lists based on winning criteria that you select from our U.S. consumer database.

Proven Data Enhancement Solutions and Real-Time Service

Landline and Mobile
Phone Append

New Authoritative Data Source phones score and enhance your list with prioritized, verified numbers. We help you get more out of your calling campaigns.


With a database of 900 million emails and a triple-scrub process, we can refresh and enhance your lists for remarkable results.


Real-time validation means better inboxing and fewer bounces for your email campaigns.


We provide several core demographic append products that will help you better understand your audience and target your campaigns.


Prioritize real leads and respond instantly with our real-time lead validation services. Validate, verify, and enhance your leads.


Update moves and mailing address with as little as a name, street address, city, and state. Add phone, email, and demographic information for your top audiences.


Join hundreds of campaigns that use Accurate Append to validate, verify, and enhance voter and donor records right inside their nations. Get better results right away.

Developer API &
Real-Time Sync

Integrating customer data integrity into your business processes doesn’t have to cost hundreds of thousands of dollars. Benefit from our leading data partnerships and technology leadership today.

Your One-Stop Shop for the Best Data

Real-time processing and tens of millions of updates each month give you the edge in your sales and marketing campaigns. We’ve developed proven partnerships to give you complete and timely results every time you run a file with us.

Financial Enhancements for Your Customer Profiles

Data enhancement services include customer profiles based on information such as income levels, wealth score, donor score, and other financial characteristics, including inferred credit score ranges. Focus your marketing campaigns on homeowners or high net worth individuals and consumers with the highest credit scores.

Self-Service, Secure Batch, API, and Custom Products

We can work with any file — including millions of records — and any format to provide the best results. Simply put, if you can send or upload your records, we can append them.

Get an Estimate

Our expert data consultants can evaluate your needs to provide the best solutions, and even provide a free match report test to determine how much we can improve your contact files.