Increase Your Marketing Reach and Improve Customer Relationships!
UP TO 90% MATCH - JUST $0.02 / MATCH

Data Append Services

Boost your marketing success with accurate, updated Data Appends, featuring same-day turnaround and flexible low minimums for year-round updates.
Free Data Test
Happy multigenerational family outdoors, symbolizing enriched consumer data insights – Data Append service by The Data Group

What Makes Our Data Appends Better?

Our data appends service stands out because we prioritize accuracy and insight, ensuring that you have up-to-date customer records. At The Data Group, we specialize in refining and enhancing your data so you can reach customers and prospects more effectively. Our advanced technology allows us to seamlessly integrate new information into your existing database and reduce the risk of outdated or incorrect data. As a result, you can trust that every marketing campaign is based on the most accurate and current customer information available.
1+
Billion
Opt-in Consumer Emails
700
Million
Verified Phone Records
10+
Billion
Mobile Ad ID's
99.5
Percent
Email Deliverability Rate
200+
Million
Daily Updated Records
Data Append Solutions Tailored for Your Business
Each business has unique needs, which is why our data append solutions are tailored to meet your specific requirements. Whether you are a small startup or a large corporation, our services are designed to provide you with the precise data you need to improve your marketing strategies. When you use our services, you can better segment your audience, personalize your marketing efforts, and ultimately increase customer engagement and loyalty.

Affordable Data Append Solutions
Our data appends service operates with affordability in mind. We offer competitive pricing without compromising on the quality of our data. For just $0.02 per match, you get access to high-quality, accurate consumer information that can significantly enhance your marketing outcomes. Our commitment to providing value means you can achieve your business goals without breaking the bank which makes our service a cost-effective solution for all of your data enhancement needs.
Just $.02 / Match
Affordable and accurate data append services to enhance your customer records, for only $0.02 per match.
Customer Engagement
Improve your customer outreach and engagement with enriched and accurate data, driving better marketing results.
100% Free Data Test
Try our data append services with a complimentary data test and see the improvement in your customer records.
High Match Rate
Enjoy industry-leading match success rates up to 90%, guaranteeing that your customer data is accurate.
Customer Guidance Throughout the Process
Our customer-centric approach ensures that you receive the support and guidance needed throughout the appending data process. We offer batch and real-time API access, allowing for seamless integration and immediate updates to your database. Try our services with a free data test! We provide match rates of up to 90%, so you can be confident in the quality and accuracy of the data we provide, all of which will help you connect with your customers more effectively and drive your marketing success.

Our Data Append Services
Here are the data append services you can obtain from The Data Group:

Ready to See the Impact of Appending Customer Data?
At Just $0.02 per Match Your ROI is Going to Skyrocket!
Let's Talk!
Team of professionals analyzing customer records – Data Append services to enrich and update contact databases

Phone Appends

Up to 90% Match - Just $0.02 / Match
The Data Group's phone append service helps businesses maintain accurate and up-to-date customer phone numbers. For only $0.02 per match, our service enriches your customer database by appending current phone numbers from an extensive database of over 700 million numbers. This process helps you maximize sales opportunities by ensuring you have the most accurate contact information available.

Our phone append service consists of real-time lookups and updates for both landlines and mobile numbers. It caters to various business needs, including marketing, customer outreach, customer service, and debt collection. By supplying precise data, our service eliminates the inefficiencies caused by outdated information, thereby increasing your marketing ROI and improving overall customer satisfaction.
Learn More About Our Phone Append Services
Woman speaking on phone and taking notes – Reverse Phone Append services for updating customer contact data

Reverse Phone Append

Up to 90% Match - Just $0.02 / Match
Unlock the full potential of your customer data with The Data Group’s reverse phone append service. Starting at just $0.02 per match and boasting up to a 90% match rate, this service transforms simple phone numbers into comprehensive customer profiles. Using advanced algorithms, we match phone numbers with detailed customer data, providing insights that drive immediate action and enhance your marketing efforts. Our reverse phone append service improves customer engagement and lead conversion by ensuring your contact information is accurate and up-to-date. In addition, this service can add valuable demographic details to your records which enables you to create personalized communication strategies that resonate with your audience.

With our reverse phone append service, you can rest easy knowing your leads data is precise and take advantage of omni-channel marketing opportunities. With this service, you can obtain effective targeting, boost customer engagement rates, and have a fully optimized CRM. When you have enriched data, you can tailor your marketing efforts more effectively, maximize strategies, and achieve superior results.
Learn More About Our Reverse Phone Append Services
Laptop displaying email icon – Email Append service for enhancing contact lists and boosting campaign reach

Email Appends

Up to 90% Match - Only $0.02 / Match
The Data Group's email append service enables your business to maintain accurate, up-to-date customer contact information. For just $0.02 per match, our service efficiently updates and appends deliverable customer email addresses, utilizing an extensive database to ensure your communications reach the intended recipients. When you use our service, you’ll be able to minimize missed opportunities due to having outdated information in your system. Plus, you can optimize customer engagement and boost your overall marketing effectiveness.

With our accurate email append service, you’ll have access to over 99.5% deliverability and real-time lookups that are tailored to meet your multifaceted business needs, ranging from marketing campaigns to customer relationship management. With precise email data, our service helps you avoid the pitfalls of incorrect information and when you have the correct data you can enhance your marketing ROI and increase overall customer satisfaction. With current email lists, you can reduce bounce rates and improve deliverability.
Learn More About Our Email Append Services
Team of marketing professionals reviewing email data on laptop – Reverse Email Append service for lead matching and identity resolution

Reverse Email Append

Up to 90% Match - Just $0.02 / Match
The Data Group’s reverse email append service transforms simple email addresses into rich customer profiles. With this service, you can have a deeper understanding of your audience. Thanks to sophisticated algorithms, we can match email addresses with names and addresses. As a result, you can validate leads, link fragmented identity data, and boost ROI. Also, we can enhance emails with vital data including demographic details and purchasing behaviors. All of this information enables you to personalize your marketing efforts which will improve customer engagement and conversion rates. Don’t risk marketing to individuals who don’t need or won’t use your services. Ensure your marketing messages are relevant and targeted, which will drive higher ROI and more effective communication.

With up to 90% match rates, you can trust that your database will be accurate and up-to-date. This reduces the risk of fraudulent emails and improves overall marketing efficiency. You’ll also be able to explore omni-channel marketing opportunities and reach potential customers through multiple channels.
Learn More About Our Reverse Email Append Services
Diverse group of smiling professionals – Demographic Data Append service for targeted marketing segmentation

Demographic Data Appends

Only $0.02 / Match
Enhance your marketing efforts with The Data Group's demographic data appends service, designed to enrich your data with deep consumer insight, including behavior and psychographic data. Our service seamlessly integrates advanced data solutions, allowing you to target your audience more precisely by incorporating various data including specialty data sets such as the following:
- Property and mortgage data
- Automotive ownership data
- Political, fundraising and donor data
- Geo-credit data
- And more…
By leveraging this enriched data, you can significantly improve your marketing strategies, customer engagement, and overall business growth.

The Data Group uses cutting-edge technology and a comprehensive database to ensure the accuracy and actionability of the data we provide. With our tailored approach, you receive high-quality data that enhances your understanding of customer behaviors and interests and results in more effective and targeted marketing campaigns. With a cost of just $0.02 per match, our demographic data appends service offers exceptional value, allowing you to achieve superior marketing results and drive business success without breaking the bank.
Learn More About Our Demographic Data Append Services
digital data services

Digital Data Services

Up to 90% Match - Just $0.02 / Match
The Data Group’s Reverse Email Append service is designed to transform simple email addresses into rich customer profiles, providing you with a deeper understanding of your audience. Using sophisticated algorithms, we match email addresses with names and addresses helping you to validate leads, link fragmented identity data and boost ROI. We can also enhance emails with vital data including demographic details and purchasing behaviors. This enriched information allows you to personalize your marketing efforts, improving customer engagement and conversion rates. By updating and appending accurate data, you can ensure your marketing messages are relevant and targeted, driving higher ROI and more effective communication.

With up to 90% match rates, you can trust that your database will be accurate and up-to-date, reducing the risk of fraudulent emails and improving overall marketing efficiency. This service opens up opportunities for omni-channel marketing, enabling you to reach your audience through multiple touchpoints with tailored messages. With enriched data, you can craft strategies that resonate more with your customers, ultimately leading to better engagement and business growth.
Learn More About Our Digital Data Services
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Why Choose Us for Data Appending Services?

Choosing The Data Group for your data appending needs means partnering with an industry leader dedicated to accuracy and efficiency. Our state-of-the-art technology and vast database ensure that your data is always up-to-date, enabling you to reach your target audience with precision. We offer unparalleled match rates and data quality, helping you optimize your marketing campaigns and improve your customer engagement. Our services are designed to seamlessly integrate with your existing systems, providing you with real-time updates and actionable insights that drive business growth.
1
Millions of Daily Updates
2
Best Price Guarantee
3
Secure & Seamless Integration
4
Industry-Leading Match Rates
5
Free Data Test - No Credit Card Required 
6
24/7 Personalized Expert Support
What sets us apart from our competitors is our commitment to affordability and personalized service. At just $0.02 per match, our data appending services offer exceptional value without compromising on quality. We understand that every business has unique needs, and our solutions are tailored to meet those specific requirements.
Ready to See the Impact of Accurate Customer Appended Data?
At Just $0.02 per Match Your ROI is Going to Skyrocket!
Let's Talk!

Features and Benefits of Data Append Services

comprehensive customer profile

Comprehensive Customer Profiles

Build comprehensive customer profiles with our data appending services, integrating diverse data types like behavioral, purchasing, and psychographic data for a deeper understanding of your audience.
boosted campaign

Boosted Campaign Effectiveness

Utilize our accurate data appending services to improve campaign effectiveness. With detailed customer information, your marketing initiatives become more targeted and successful.
top industry match rates

Top Industry Match Rates

Maximize your customer engagement with match rates up to 90%, provided by our leading data append services. Ensure your marketing efforts are driven by the freshest and most accurate data available.
cost effective sata solutions

Cost-Effective Data Solutions

Enhance your customer data at an affordable price, with our data appending services starting at just $0.02 per match, delivering high-quality results without breaking the bank.
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What are Data Append Services?

Data append services are specialized processes designed to enhance and expand your existing customer database by adding missing or updated information from various external sources. Examples include demographic data, behavioral insights, purchasing patterns, and contact details such as email addresses and phone numbers. By integrating these additional data points, your business can gain a more comprehensive understanding of your customers which provides you with more targeted and effective marketing strategies.

Data append services provide you with the ability to reconnect with lost customers and engage new prospects. When customer data becomes outdated or incomplete, you can miss business opportunities and your marketing efforts may be inefficient. With help from data append services, you’ll have accurate and up-to-date information. Your marketing campaigns reach the right audience and you can offer enhanced customer engagement, boost conversion rates, and improve overall marketing ROI.

Data append services also help with market segmentation and personalization. With data appends, you’ll have detailed demographic and psychographic data to add to your customer records, leading to more precise customer segments and the ability to tailor your marketing messages to better resonate with each group. You can build stronger relationships with your customers, increase customer loyalty, and drive higher engagement rates. All of this insight will help in today’s competitive market.

Benefits of Data Appending Services

Data appending services offers many advantages and enables you to improve the quality and effectiveness of your marketing efforts. Here are some top benefits of data appending services:

Increased Accuracy of Your Customer Database
One of the primary benefits is the increased accuracy and completeness of your customer database. By appending data with missing information and updated contact details, demographic data, and behavioral insights, you ensure that your marketing campaigns are based on the most current and comprehensive data available. This leads to better targeting, higher engagement rates, and ultimately, improved conversion rates. With more accurate data, you can reach your intended audience more effectively, reducing wasted marketing spend and increasing your return on investment.

Personalize Your Marketing Strategies
Another significant benefit of data appending services is the ability to personalize your marketing strategies. By incorporating detailed customer information into your records, you can create more specific and relevant marketing messages tailored to individual preferences and behaviors. This level of personalization helps build stronger customer relationships, enhances customer loyalty, and boosts overall customer satisfaction. Additionally, data appending services can help you identify new market opportunities and trends, allowing you to stay ahead of the competition and adapt to changing market conditions. Overall, leveraging data appending services empowers your business with the insights needed to make informed decisions and achieve sustainable growth.

How Do Data Append Services Work

Here’s how data append services work: We take your existing customer database and enrich it with additional information from external sources. We start by matching your customer records with a vast array of third-party data sources using unique identifiers such as names, addresses, or email addresses. Once a match is found, the missing or updated information—such as contact details, demographic data, purchasing behavior, or psychographic insights—is appended to your original records. This enhanced data set provides a more comprehensive view of your customers, allowing for more accurate targeting and personalized marketing efforts. The entire process is designed to be seamless and efficient, integrating smoothly with your existing systems to ensure that your customer data is always current and complete.

How Can Data Append Services Help Businesses?

Data append services help businesses by significantly enhancing the accuracy and depth of their customer data, leading to more effective marketing strategies and improved customer engagement. By filling in gaps with up-to-date contact details, demographic information, and behavioral insights, businesses can create more targeted and personalized marketing campaigns. This increased precision boosts conversion rates and customer loyalty, as messages resonate more deeply with the intended audience. Additionally, data append services streamline operations by reducing the time and resources spent on outdated or incorrect data, ultimately increasing overall marketing ROI and driving sustainable business growth.

Types of Data Append Services

Data append services encompass a wide range of enhancements to your customer database, including demographic, behavioral, and psychographic data appends. Demographic data appends provide essential information such as age, gender, income, and education levels, helping you better understand your customer base. Behavioral data appends add insights into customer behaviors and purchasing patterns, enabling more targeted marketing strategies. Psychographic data appends include lifestyle and personality traits, allowing for deeper personalization of your campaigns. Other types of data appends include contact details such as email and phone number updates, property data, mortgage information, and even voter or donor history. Each type of data append service enhances different aspects of your customer profiles, collectively offering a comprehensive view that drives more effective and personalized marketing efforts.

Data Append FAQ

1. What exactly is “data append”?

Think of data append as giving your database the power it needs to make intelligent marketing decisions. It’s the process of adding missing or updated info—like emails, phone numbers, or a wealth of demographics—to your existing records.

2. Why should I care about appending data?

Because outdated data is like sending mail to an empty house. Appending helps you reach real people, understand who your best customers are, improve targeting, and boost engagement.

3. How does the data append process actually work?

It’s pretty straightforward: you upload your data, we match it against our massive database, and voilà—missing info gets filled in.

4. What types of data can be appended?

You can add emails, phone numbers, mailing addresses, demographics, psychographics, and even behavioral data like purchase history.

5. What’s the difference between email append and reverse email append?

Email append finds email addresses based on other data (like name + address). Reverse email append works the other way—starting with an email to find more details about the person.

6. Can I append phone numbers too?

Absolutely. Phone append fills in missing mobile or landline numbers to improve reaching customers via call or text.

7. What’s a demographic append?

It’s like adding personality to your data. You get insights like age, income, marital status, or interests to better segment and personalize outreach.

8. Is data appending only for marketers?

Nope. Nonprofits, schools, and even political campaigns use it to better understand and connect with their audiences.

9. How often should I append my data?

Think of it like brushing your teeth—regularly. Most experts suggest quarterly or biannually, depending on how fast your data goes stale.

10. What’s the risk of not appending data?

You’ll waste time and money targeting the wrong people. Plus, your analytics will be off, leading to poor decisions.

11. How accurate is appended data?

We receive millions of daily updates!

12. What’s a match rate?

It’s the percentage of your records that successfully get appended. Higher match rates mean better results—but quality matters more than quantity.

13. Can I preview the results before committing?

If you purchase the list outright, yes. If you rent it, usage is typically limited to one-time mailings. Always check the provider’s terms.

14. What’s the difference between data append and data cleaning?

Appending adds new info. Cleaning removes outdated, duplicate, or incorrect data. They’re often done together for best results.

15. How do I choose a data append provider?

Look for transparency, sample results, customer support, and clear pricing.

16. Can I customize what data gets appended?

Yes! You can choose exactly what fields you want—no need to pay for data you don’t need.

17. What format should my data be in before appending?

Usually a clean CSV file works best. Make sure fields are labeled and consistent to avoid mismatches.

18. How long does a data append take?

It varies—anywhere from a few hours to a few days depending on file size and complexity. We are always happy to do whatever it takes to meet your timeline and it’’s not uncommon for us to work nights or weekends to help clients.

19. What happens after the append is done?

You’ll get your enriched file back, ready to plug into your CRM or marketing platform.
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