Improve Your Data Quality & Reliability with Accurate Data Appending Services
In the modern business landscape, companies depend on huge volumes of customer data to drive their marketing initiatives, enhance operational effectiveness, and mitigate business risks. However, the efficacy of utilizing this business-critical data is significantly compromised when customer contact details are missing or incomplete. Data appending services help businesses bridge gaps by adding the latest, relevant, and accurate information. Thus, businesses can unlock the full potential of their databases and ensure more efficient utilization.
At Damco, we leverage multiple validated and verified databases to augment the existing records. Our professionals use cutting-edge data matching and appending algorithms to deliver fast, accurate, and reliable outputs within the stipulated timeframe. We are well-equipped to handle large and multiple files of any size or format. Hence, we can update millions of records every month to help businesses streamline their sales and marketing campaigns and get assured ROI.
Share Your Project Requirements with Us!
Types of Data Append Services We Offer

Email Appending Services
Improve your campaign performance with our email append services. Our professionals cross-reference your customers’ essential data, such as names, phone numbers, and locations with a verified and validated external database to retrieve the missing details. This helps businesses easily connect with their prospects and customers, leading to reduced marketing expenses and an enhanced ROI.

Postal Address Appending Services
Improve the quality of your customer postal address database, including name, street address, city, state, and country with our postal address appending services. We add missing postal or mailing addresses to your existing database for both the current and potential customers, enabling you to share your messaging through a variety of postal channels.

Phone Number Appending Services
Dodge cold calling and reach out to genuine customers with our tailored phone number appending services. Obtain verified and current database, containing accurate mobile, landline, and official phone numbers of your existing and potential customers. Enhance your telemarketing efforts and calling strategies for improved lead generation with our B2B data appending services.

Business URL Appending Services
Elevate your online marketing strategies with our business URL appending services. We add accurate website URLs to your business database to help you connect with your target audience on online platforms. Strengthen your online presence and ensure accurate targeting for improved conversion rates, increased sales, and enhanced ROI.

Social Media Appending Services
Expand the reach of your social media campaigns across platforms such as LinkedIn, Meta, Instagram, and X, through our social media appending services. We add the latest and relevant social profile information to your CRM contacts while eliminating outdated and irrelevant data. This helps you develop more meaningful customer relationships, boost brand recognition, and enhance lead acquisition and retention.

Demographic Data Appending Services
Gain deeper insights into your audience with our appending services. We enrich your customer data by adding details, such as birth year, gender, income, credit score, education level, and other such factors. This helps you identify new business opportunities, while segmenting your customers into distinct groups and customizing your marketing campaigns accordingly.
Why Damco is a Top Data Appending Company
-
High Quality and Reliability
We provide accurate, business-relevant, and latest data from multiple online and offline resources for improved insights and data-driven business decisions.
-
24X7 Accessibility
We offer 24X7 client support to resolve all your project and business-related queries in real-time, irrespective of the geographical difference.
-
Faster Turnaround Time
We leverage advanced technologies to improve data appending speed and provide accurate, relevant results while lowering the cost to clients.
-
Cost Effective Pricing
We provide realistic yet highly competitive rates to our clients, powered by advanced technologies and methodologies leveraged in our data appending projects.
-
Scalable Operations
We have a readily available, highly skilled, and tech-oriented talent pool to address any increase in demand to append data of any volume and complexity.
-
Industry Specific Solutions
We are a leading b2b data append services provider with 30+ years of experience in catering to different verticals, such as ecommerce, retail, healthcare, finance, etc.
-
Global Presence
We are headquartered in Plainsboro, New Jersey, and are supported by multiple offshore offices located in the USA, UK, Luxembourg, Dubai, and India.
Frequently Asked Questions
As a leading data appending company, how is your data sourced and maintained?
Being one of the leading data appending companies, we collect information from trusted and compliant sources. These include public records, published materials, and consented information that people agree to share. We maintain our data through a continuous multi-step checking and validation process. This involves algorithmic verification and regular updates from primary sources. We also perform periodic human auditing. We work hard to maintain accurate, up-to-date, and reliable records. This makes our database a trusted foundation for all kinds of data appending activities.
What is the average match rate of your data appending services?
The average match rate for our data append services depends on the quality of your file. It also depends on the specific types of data you’ve requested. We take a look at your list first to give you a better idea of what to expect for your specific project. We’ll also suggest ways to help you get the best possible match rate.
Will you clean my existing data before appending?
Without a doubt, yes! We provide thorough data cleanup as a basic or standalone service. This pre-processing step before appending includes removing duplicates, standardizing formats like addresses and phone numbers, and checking to fix errors. Doing this cleaning before appending data improves match rates and ensures your enriched database stays reliable. This combined approach ensures you get a finalized, top-notch dataset ready for immediate and effective use in your campaigns and analysis.
What is the typical accuracy of appended data?
Our appended data stays accurate, exceeding industry standards. For key contact details, we meet deliverability rates over 95% for emails and accuracy rates above 90% for phone numbers. As one of the leading data append companies, we maintain this reliability through our multi-source gathering and ongoing validation processes. We back up this quality with a guarantee against hard bounces, ensuring you get trustworthy data to use in your operational and marketing activities.
How do you price your data append services?
We price our data append services based on a cost-per-match basis we find, so you pay only for the records we enrich. This way, your costs line up with what you get. Prices can change depending on data types, volume, and complexity. You can avail the service as per the project or on a subscription basis for your ongoing needs. To get the best deal and know what you’ll pay, ask us for a quote. As a trusted data append company, we’ll analyze your requirements and then give you a clear price.