Data Services That Go Further: Append,Enrich, and Clean Your Records
Data Services Delivered in Real Time
- 98%+ Deliverability
- No Minimums
- No Contracts
22M+
Business Records
200M+
Consumer Records
4X
Business Growth
17+
Years of Experience
99%
Data Accuracy
24/7
Support X 365 Days
24/7
Support
Transform Existing Data into Marketing-Ready Intelligence
Every campaign performs better when the data behind it is cleaner and more complete.
Data services help improve, complete, verify, clean, or enrich the marketing data a business already has including data append, verification, data hygiene, deduplication, and enrichment. Jared’s Leads provides done-for-you data services to append missing fields, verify records, clean outdated data, and enrich audience profiles. You work with a real specialist, not a self-service tool.
- Inc. 5000
- A+ BBB Rating
- Verified Records
- Free Counts Before Purchase
- Trusted Since 2008
— Jared Knapp, Founder of Jared’s Leads
Fix the Data Problems Wasting Your Campaign Budget
- The Right Fields: Complete, appended records so more of your audience is reachable
- The Right Quality: Verified, deduplicated, standardized data you can trust
- The Right Timing: Refreshed records before the next campaign, not stale data
At Jared’s Leads, we provide hands-on data services designed to improve the data you already have with data appending services, data cleansing services, verification, postal preparation, and enrichment. Instead of leaving you to upload a file and guess, a specialist reviews your goals, explains which fields may be available, and recommends the most practical services for your campaign.
Data Append Services to Complete Missing Fields
Email Append
Add available email addresses to existing customer or prospect records using available identifiers. Our email appending services support both B2B and consumer files, where available.
Phone Append
Add available phone numbers to records for sales outreach, customer follow-up, and contact management.
Address & Demographic Append
Complete or correct available postal addresses for direct mail, and enhance consumer records with available demographic and household attributes. B2B append focuses on firmographic fields; consumer focuses on demographic fields.
Name, Reverse & Date-of-Birth Append
Complete missing name fields for personalization, use reverse append to identify additional available fields from existing identifiers, and add available date-of-birth information for approved record-completion and segmentation.
Verification & Validation
Determine whether the data already in your file is usable, consistent, and ready for outreach. We offer email verification, phone verification, address verification, and data validation so you reduce wasted sends and calls before a campaign launches.
Data Hygiene, Cleansing & Postal Prep
Our data cleansing services clean and organize your data before your next campaign: list hygiene, deduplication, standardization, NCOA processing, and CASS certification for postal-ready files, where applicable.
Enrichment & Modeling
Add useful context for better segmentation with data enrichment services, including CRM data enrichment and B2B data enrichment. Use lookalike modeling to clone your best customers, and predictive modeling to score and prioritize audiences without making assumptions about campaign outcomes.
What Each Data Append Service Completes
Data append services add missing information to existing records, where available, using identifiers already in your file. Match rates vary by list quality, identifier availability, and service type, a specialist sets realistic expectations first. Append types include:
Append Types
- Email append
- Phone append
- Address append
- Demographic append
- Name append
- Reverse append
- Date-of-birth append
- B2B firmographic append
Verification & Validation
- Email verification
- Phone verification
- Address verification
- Data validation
- Deliverability indicators
- Formatting & domain checks
- Record consistency review
- Pre-campaign usability check
Hygiene & Postal Prep
- List hygiene
- Deduplication
- Standardization & formatting
- NCOA processing, where applicable
- CASS certification, where applicable
- Data refresh & ongoing hygiene
- Suppression support
- Postal-ready file preparation
Enrichment & Modeling
- Data enrichment
- CRM data enrichment
- B2B data enrichment
- Clone your customers (lookalike)
- Predictive modeling
- Audience scoring & segmentation
Data Refresh and Ongoing Hygiene
Marketing data does not stay accurate forever. People move, change phone numbers, switch email addresses, update job roles, and become less relevant to older segments. Jared’s Leads can help refresh, clean, verify, deduplicate, and prepare your data before the next campaign, so your team isn’t relying on stale records. Common steps include, where applicable:
- Record refresh and re-verification
- Email and phone re-validation
- Address updates (NCOA, where applicable)
- Deduplication and standardization
- Suppression of outdated or unusable records
- Periodic hygiene for ongoing campaigns
- Field availability review
- Pre-campaign readiness check
“Connect rates drop. Deliverability suffers. Cost per acquisition quietly climbs and nobody can figure out why.”
— Jared Knapp, Founder of Jared’s Leads
What You Receive with Jared’s Leads Data Services
Every engagement is customized to your file and goals — you receive an improved, campaign-ready file plus specialist guidance on what was and wasn’t possible.
Depending on the services selected, your file may include:
- Appended email, phone, or address fields
- Demographic or firmographic attributes
- Verified and standardized records
- Deduplicated, cleaned data
- NCOA / CASS postal preparation, where applicable
- Enriched segmentation fields
- Lookalike or predictive scores, where selected
- A summary of match results and field availability
- Responsible-use guidance (incl. CAN-SPAM for appended email)
- CSV / CRM-ready delivery for LeadWave or your platform
You can expect CRM-ready formatting, a free assessment before you commit, realistic match-rate expectations, and support from a real data specialist – not a self-service queue.
Data Services Pricing and How It Works
Data services pricing depends on several factors, including:
- File size (record count)
- Services requested (append / verify / hygiene / enrichment)
- Fields being appended or verified
- Match availability
- Postal preparation needs (NCOA / CASS)
- Deduplication and standardization scope
- Enrichment or modeling add-ons
- LeadWave follow-up, if included
- Delivery format and timing
How the Process Works
- Step 1. Describe Your File: Tell us what data you have, what’s missing, what may be outdated, and how you plan to use the file.
- Step 2. Choose the Right Services: A specialist recommends the best combination of append, verification, hygiene, enrichment, postal prep, modeling, or LeadWave support.
- Step 3. Improve & Prepare the Data: Records are matched, cleaned, verified, standardized, or enriched based on the selected services and source availability.
- Step 4. Activate the Data: Use the improved file for email, direct mail, phone outreach, CRM workflows, sales, or LeadWave follow-up.
Free assessment first
Start with a free data assessment so a specialist can review your file and recommend the right service mix before you commit.
Client Feedback
What Clients Say About Working with Jared’s Leads
Businesses choose Jared’s Leads for transparent guidance, responsible data handling, and campaign-ready files.
“We’ve used three other list providers. None come close to Jared’s data quality. Fast and accurate service.”
Sandra T.
Owner, Remodeling Business
“Jared’s consistently outperforms everyone else. Best ROI we’ve seen from any data provider.”
David K.
Director, Insurance Partners
“Amazing support and targeting options. Helped us scale campaigns faster than expected.”
Alex R.
Growth Manager
“Jared’s Leads delivered exactly what they promised — a targeted, verified list that drove a 40% increase in direct mail response rate.”
Michael F.
VP Marketing, Private Financial Group
“Jared’s Leads delivered exactly what they promised — a targeted, verified list that drove a 40% increase in direct mail response rate.”
Michael F.
VP Marketing, Private Financial Group
“Jared’s Leads delivered exactly what they promised — a targeted, verified list that drove a 40% increase in direct mail response rate.”
Michael F.
VP Marketing, Private Financial Group
“Jared’s consistently outperforms everyone else. Best ROI we’ve seen from any data provider.”
Secure Handling, Responsible Use & Compliance
We review your file securely and provide responsible-use guidance, including for appended email under CAN-SPAM. Depending on the services and data involved, considerations may include CCPA and CPRA privacy awareness, suppression of records that shouldn’t be contacted, and FCRA exclusions where applicable. Data is provided for marketing use. Compliance with CAN-SPAM, TCPA, CCPA/CPRA, and FCRA depends on how you use it, so a specialist will flag what to consider for your campaign rather than offer blanket guarantees.
Turn Improved Data Into Follow-Up with LeadWave
Many data quality providers stop once the file is cleaned or appended. LeadWave is an optional activation layer that helps your teams organize, manage, and act on cleaner data through AI-supported record flagging, engagement scoring, lead reactivation, CRM organization, email and SMS follow-up, and workflow automation. It doesn’t replace good data — it helps you use improved data more effectively after preparation is complete. As Jared puts it, keeping data alive is an active process, not a one-time cleanup.
- Automate outreach workflows
- Prioritize opportunities based on engagement
- Identify prospects showing buying intent
- Support ongoing lead nurturing and follow-up
- Verified data
- CRM Import
- AI Follow-Up
- Automated Nurturing
- Sales Conversation
Make Your Data Ready for the Next Campaign
Whether you need to append missing fields, verify contact information, clean outdated records, enrich audience profiles, prepare postal files, or activate improved data through LeadWave, Jared’s Leads can help you identify the right services, set realistic expectations, and receive a campaign-ready file.
Jared brings more than 20 years of experience in the data industry. In 2008, he founded Jared’s Leads to help businesses like yours buy marketing data with more clarity and confidence. Instead of handing you a generic list and leaving you to figure it out alone, our team helps you understand available audience criteria, data sources, field options, and campaign fit before you buy.
Additionally, LeadWave can support AI-assisted follow-up, lead nurturing, and multichannel outreach after your data is improved.
- Inc. 5000
- A+ BBB
- Free Data Assessment
- Trusted Since 2008
- Verified Data
Ready to Build Your List?
[FAQs]
Frequently Asked Questions
Have a question about Jared’s Leads and our lists? Let us help!
Data services help improve, complete, verify, clean, or enrich the contact records and marketing data a business already has. Services can include append, verification, data hygiene, postal processing, deduplication, and enrichment.
Data append adds missing information to existing records, where available, and can include email, phone, mailing address, demographic information, name, and other supported fields.
Pricing depends on file size, the services requested, the fields being appended or verified, match availability, postal preparation needs, and whether enrichment, deduplication, or LeadWave follow-up are included. A specialist can review your file and recommend the right mix. Start with a free data assessment.
What Could Better Data Do for Your Next Campaign?
Tell us who you want to reach, and our team will help you review available audience criteria, counts, pricing, and delivery options before you buy.
