Skip to content

Data Append Services

Your list is good. Let's make it complete.

Most marketing lists are missing something — an email address, a phone number, an updated postal record. Our data append services fill those gaps using a database of over 85 million businesses and 100 million contacts.

Fill the gaps in your existing data

If you already have a house list — customers, prospects, donors, or leads - data appends let you enrich those records with the contact fields you're missing. Instead of building a new list from scratch, you make the one you have more complete and more useful across more channels.

We match your records against our database of over 85 million businesses, 100 million contacts, and 900 industry segments, then append the missing fields - email, phone, updated postal address, firmographic data, demographic selects — directly to your file.

The result is a list that reaches more of the right people across more channels, without replacing what you already know about them.

Cleanse your sales lead data with CompleteClean®, our data quality toolset

  • Separate Personal from Business Records

  • Achieve Thorough De-duplication of List Records

  • Stay Current & Deliverable With Timely NCOA Updates

HEALTHCARE (7)

Six ways we make your list more complete

Every append service uses the same database — matched, verified, and delivered with CompleteClean© hygiene applied before anything leaves our hands.

Email Appends

We match your postal records to verified email addresses, giving you a digital channel to complement your direct mail campaigns. All emails are verified and current.

Telemarketing Appends

Landline and mobile numbers appended to your records. Reverse append also available. All phone numbers are scrubbed against Do Not Call databases before delivery.

Firmographic Appends

Add business intelligence to your records — company size, industry, revenue, employee count, SIC code, and executive titles, drawn from 900 industry segments.

Accurate Addresses - Every Mailpiece

We update moved or incorrect postal records using NCOA48 processing and USPS Move Update compliance, so your mail reaches the right address every time.

Look-Alike Record Matching

We identify new prospects matching profile of your best existing customers expanding your universe with records mirroring what's already working for you.

Demographic & Lifestyle Appends

Layer over 400 demographic, lifestyle, and buyer-activity selects onto your records — income, homeownership, life stage, interests, and purchase behavior.

Simple process, clean output

Appending data doesn't have to be complicated. We've built the process to be straightforward — you send us your file, we do the matching and hygiene work, and you get back a cleaner, more complete version of what you started with.

  • Send Us Your File

    Share your existing house list — customers, prospects, or leads. We accept standard formats and treat your data with full confidentiality.

  • We match and enrich

    We run your records against our database, identify matches, and append the contact fields you need — email, phone, postal updates, or firmographic data.

  • CompleteClean© hygiene applied

    Before delivery, every file goes through our full hygiene process — NCOA processing, DPV coding, DNC scrubbing, and deceased suppression.

  • Your enriched file delivered

    You receive a clean, complete file ready to use across your chosen channels — postal, email, or telemarketing.

HEALTHCARE (8)

Every appended file goes through CompleteClean©

We don't just add data — we clean it. Every file we deliver, whether it's a new list or an enriched house file, is processed through our full hygiene suite the day it ships.

✔️ NCOA48 Processing
 ✔️ Delivery Point Validation
✔️USPS Move Compliance
 ✔️ Do Not Call Scrubbing
✔️Email Hygiene
 ✔️ Deceased Suppression

 

Ready to build a better list?

Tell us about your campaign and we'll help you find the right audience, the right data, and the right approach — without the guesswork.

Or call us at (914) 771-6640