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Identity Resolution Platform

High-Fidelity Data Intelligence

Maximize CRM ROI and optimize lead quality through holistic identity resolution. We provide data intelligence solutions that bridge the gap between offline records and digital signals, ensuring your database remains actionable across every channel!
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SOC2 Type II Compliant | Permission-Based Data | Up to 90% Match Rates
4B

Mobile Advertising IDs (MAIDs)

700M

Verified Phone Records

1B

Opt-in Consumer Emails

Trusted by:

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The image shows the Ford logo, featuring the word Ford in white script inside a dark oval with a white border.
Black Chevrolet logo featuring a bowtie shape above the word Chevrolet in bold uppercase letters, both on a light background.
The Girl Scouts logo features the words girl scouts in bold black lowercase letters next to a solid gray trefoil symbol.
State Farm logo with three interlocking ovals on the left and bold black "State Farm" text on the right, set against a light gray background, representing trusted customer data services.
United Way logo with the words united way next to an image of a hand holding a human figure inside a rainbow-like circle.

Our PROVEN TRACK RECORD

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Verified Mobile Advertising IDs (MAIDs) within our proprietary graph.
0 B+
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Opt-in Consumer Emails (Hashed and Plain Text).
0 B+
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Deterministic Phone Records updated daily via carrier-level feeds.
0 M
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Verified Email Deliverability Rate across our master consumer datasets.
0 %
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Records processed daily to ensure real-time data hygiene.
0 M+

Stop Losing Revenue to Incomplete Data

You have the names and postal addresses, but you are missing the digital connection. Every record in your CRM without an email address is a dead end for your marketing automation, retention campaigns, and revenue growth.
The Solution: The Data Group fills these gaps. Unlike generic tools that rely on outdated public records, we use a proprietary multi-source validation process. Whether you need a one-time batch email append for a legacy database or a real-time API connection for incoming leads, we ensure you get active, valid addresses – significantly reducing the risk of spam traps.
Free trial data test
A table with three columns—Client Name, Phone Number, and Status—displays customer data services: John W.: +13654875; Margo R.: +19865489, validated; Will D.: +25654589, added.

Our Process

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Data Enrichment

Strengthen your internal database with professional customer data enhancement. We append missing contact points and demographic attributes at a fixed rate of $0.02 per match.

Data Enrichment Services | Phone & Email Append

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Identity Resolution

Resolve digital fingerprints into personable identities to maximize the value of your audience. We link IP addresses, MAIDs, and HEMs to provide a 360-degree view of your customers.

Website Visitor ID | Anonymous Digital Retargeting

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Deliverability & API Automation

Maintain infrastructure hygiene with our real-time lead enrichment API. We utilize proprietary multi-layer verification to ensure every record is actionable and deliverable.

Email Validation | Reverse Phone | Reverse Email

What Makes Our Data Better?

Our team of experts leverages cutting-edge technology and extensive industry experience to provide comprehensive data solutions tailored to your business needs. We manage over 500 million Mobile Ad IDs and 1 billion privacy-compliant emails, ensuring your data is robust and reliable.

100%

Free data test

Try our data services risk-free with a complimentary data quality test before committing.

24/7

Personalized support
Frustrated by AI bots? Receive a real dedicated support person.

$0.02

For one record

Affordable data enhancement at just $0.02 per record, maximizing your marketing ROI.

The team at The Data Group always provides us with great data and great customer service.

National Ford Dealer

We have worked with The Data Group for over 15 years and they are our go to for high-quality data.

Marketing Agency

90%

Match rates

Trust our services to deliver up to 90% match rates, guaranteeing highly accurate customer data.

Permanent Targeting via a Deterministic Identity Graph

Standard tracking is failing as 3rd-party cookies disappear. The Data Group provides cookieless marketing solutions designed to activate and enhance your 1st party data. By matching your signals back to our master Identity Graph, we bridge the gap between anonymous digital visits and real-world identities, ensuring your targeting remains effective in any privacy environment.
A table with three columns—Client Name, Phone Number, and Status—displays customer data services: John W.: +13654875; Margo R.: +19865489, validated; Will D.: +25654589, added.

Built for Enterprise Data Security

We provide the technical infrastructure and transparency required by enterprise companies and organizations.
  • SOC2 Type II Compliant: Our platform meets the most rigorous standards for data protection and security.
  • Privacy-Conscious Sourcing: Every identity is resolved through permission-based aggregation feeds designed for compliance and transparency.
  • Direct-Source Infrastructure: We provide direct access to primary data feeds, eliminating middleman markups and reducing technical latency through our proprietary technology stack.
  • Secure Integration: High-speed data transfer via low-latency API or encrypted SFTP protocols.

Transparent Pricing: Pay Only for Results

Unlike many data enrichment services that require high monthly retainers, we offer a direct performance model:
  • $0.02 Per Match for data appends and digital data services.
  • $0.002 Per Record for high-volume Email list validation.
  • No Monthly Retainers for standard batch processing files.
  • Free Match Audit: We verify the match rate on your specific data before any commitment.

Ready to Maximize Your Audience?

Stop relying on fragmented data. Leverage our data intelligence solutions to boost ROI and future-proof your marketing.
Request My Free Identity Audit
Smiling woman on mobile phone with shopping bags – Accurate phone append services for consumer outreach
Industries

What Sectors We Serve

Nonprofits

01

We support charities, associations and membership organisations with data enrichment that increases deliverability, reduces waste and heightens engagement.

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Flexible ecosystem
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All-in-one CRM
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Live donor profiles
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Time-saving automation

Retail

02

From bricks-and-mortar chains to digital marketplaces, retail and eCommerce businesses rely on accurate contact, purchase-behaviour and demographic data to engage shoppers, optimise lifetime value, and maximise ROI on campaigns.

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Omnichannel identity linkage
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Real-time shopper insights
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Predictive buyer personas
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ROI-driven segmentation

Healthcare

03

In a regulated and data-sensitive environment, accuracy, compliance and engagement matter. We assist healthcare-providers, medical-device firms and pharmaceutical marketers in cleaning and enhancing patient, provider and HCP data for improved outreach, segmentation and campaign performance.

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Compliance-first architecture
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Verified HCP signals
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Fragmented Patient Data Linkage
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Regulatory-grade accuracy

We support charities, associations and membership organisations with data enrichment that increases deliverability, reduces waste and heightens engagement.

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Flexible ecosystem
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
All-in-one CRM
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Live donor profiles
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Time-saving automation

From bricks-and-mortar chains to digital marketplaces, retail and eCommerce businesses rely on accurate contact, purchase-behaviour and demographic data to engage shoppers, optimise lifetime value, and maximise ROI on campaigns.

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Omnichannel identity linkage
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Real-time shopper insights
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Predictive buyer personas
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
ROI-driven segmentation
In a regulated and data-sensitive environment, accuracy, compliance and engagement matter. We assist healthcare-providers, medical-device firms and pharmaceutical marketers in cleaning and enhancing patient, provider and HCP data for improved outreach, segmentation and campaign performance.
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Compliance-first architecture
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Verified HCP signals
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Fragmented Patient Data Linkage
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.

Time-saving automation

Industries

What Sectors We Serve

Nonprofits

01

We support charities, associations and membership organisations with data enrichment that increases deliverability, reduces waste and heightens engagement.

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Flexible ecosystem
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
All-in-one CRM
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Live donor profiles
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Time-saving automation

Learn more

A gray arrow pointing diagonally upward to the right on a light, textured background.

Retail

02

From bricks-and-mortar chains to digital marketplaces, retail and eCommerce businesses rely on accurate contact, purchase-behaviour and demographic data to engage shoppers, optimise lifetime value, and maximise ROI on campaigns.

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Omnichannel identity linkage
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Real-time shopper insights
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Predictive buyer personas
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
ROI-driven segmentation

Healthcare

03

In a regulated and data-sensitive environment, accuracy, compliance and engagement matter. We assist healthcare-providers, medical-device firms and pharmaceutical marketers in cleaning and enhancing patient, provider and HCP data for improved outreach, segmentation and campaign performance.
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Compliance-first architecture
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Verified HCP signals
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.
Fragmented Patient Data Linkage
A blue checkmark icon on a light gray background, symbolizing confirmation or approval.

Time-saving automation

We support charities, associations and membership organisations with data enrichment that increases deliverability, reduces waste and heightens engagement.

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.

Flexible ecosystem

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.

All-in-one CRM

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.

Live donor profiles

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.

Time-saving automation

Learn more

A gray arrow pointing diagonally upward to the right on a light, textured background.

From bricks-and-mortar chains to digital marketplaces, retail and eCommerce businesses rely on accurate contact, purchase-behaviour and demographic data to engage shoppers, optimise lifetime value, and maximise ROI on campaigns.

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.

Flexible ecosystem

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.

All-in-one CRM

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.

Live donor profiles

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.

Time-saving automation

Learn more

A gray arrow pointing diagonally upward to the right on a light, textured background.

In a regulated and data-sensitive environment, accuracy, compliance and engagement matter. We assist healthcare-providers, medical-device firms and pharmaceutical marketers in cleaning and enhancing patient, provider and HCP data for improved outreach, segmentation and campaign performance.

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.

Flexible ecosystem

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.

All-in-one CRM

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.

Live donor profiles

A blue checkmark icon on a light gray background, symbolizing confirmation or approval.

Time-saving automation

Learn more

A gray arrow pointing diagonally upward to the right on a light, textured background.
The Blog

Industry Articles and News

What Sets a #1 Ranked Caller ID API Apart? Key Features to Look For
How Anonymous Website Visitors Can Become Leads
Why You Should Update Your Contact Lists and How Phone Append Helps
Why Your Organization Should Use an Email Append Service
Using Data Append to Improve Marketing Engagement
What is First, Second, and Third Party Data?
What Sets a #1 Ranked Caller ID API Apart? Key Features to Look For
How Anonymous Website Visitors Can Become Leads
Why You Should Update Your Contact Lists and How Phone Append Helps
The Blog

Industry Articles and News

What Sets a #1 Ranked Caller ID API Apart? Key Features to Look For
How Anonymous Website Visitors Can Become Leads
Why You Should Update Your Contact Lists and How Phone Append Helps
Why Your Organization Should Use an Email Append Service
Using Data Append to Improve Marketing Engagement
What is First, Second, and Third Party Data?
Services

Related Services

how reverse email appending can expand your customer reach and boost results

Reverse Email Append

email validation services

Email Verification

FAQs

Identity Resolution FAQs

Q: What is an identity resolution platform?
A: It is an infrastructure that merges disparate signals – including IP addresses, MAIDs, Phone Numbers, and Emails – into a single, verified human identity for precise targeting, attribution, and CRM optimization.
A: Yes. We act as a direct access point to high-fidelity carrier-level feeds and billing systems, providing a comprehensive and accurate alternative to legacy aggregators.
A: Absolutely. Our real-time lead enrichment API is built for millisecond response times, allowing for instant CRM synchronization and inbound lead scoring.
A: We utilize deterministic matching – linking records based on verified connections rather than statistical probability – resulting in match rates of up to 90%.
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Free Trial
Services

Data Append

Demographic Append

Email Append

Email Validation

Phone Append

Psychographic Append

Reverse Email Append

Reverse Phone Append

Programmatic

Anonymous Digital Retargeting

Audience Data

Enhanced Data Onboarding

Custom Mailing

Mailing Lists

API

Auto Append API

Demographic Append API

Email Append API

Email Validation API

Phone Append API

Reverse Email Append API

Reverse Phone Append API

Pricing

Contact Us

What Sets a #1 Ranked Caller ID API Apart? Key Features to Look For
Self-Service Login
Logo for The Data Group with THE in white text on a blue vertical background and DataGroup in bold black and gray text on a white background.
Free Trial
Services

Data Append

Email Append

Reverse Email Append

Email Validation

Phone Append

Reverse Phone Append

Demographic Append

Psychographic Append

Programmatic

Audience Data

Anonymous Digital Retargeting

Enhanced Data Onboarding

Custom Mailing

Mailing Lists

API

Pricing

Contact Us

What Sets a #1 Ranked Caller ID API Apart? Key Features to Look For
Self-Service Login