Data Hygiene Services for Cleaner, More Reliable Lists
Data Hygiene 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
Data Hygiene Services to Keep Your Lists Accurate, Clean & Reliable
Data hygiene, also known as list hygiene, is the ongoing process of maintaining your database to keep records accurate, complete, and up to date. It includes correcting errors, removing duplicate records, updating outdated information, and ensuring your data remains reliable for marketing and sales efforts.
Jared’s Leads provides data hygiene services across several types of marketing and customer data, including CRM and database records, email lists, direct mail and postal address data, and phone data with Do Not Call (DNC) screening.
Email list hygiene and other list hygiene enable you to make better decisions. It can lower your costs. And it keeps customers happy.
- Targeted business and consumer data
- Email, mailing, phone, and specialty list options
- Human list-building support
- Data services and campaign support available
- Trusted by businesses since 2008
- Inc. 5000 Honoree
- A+ BBB Rating
- Free Counts Before Purchase
- Real Human Specialists
What Is Data Hygiene & How Is It Different from Data Verification?
Data hygiene is an ongoing process involving the correction or removal of inaccurate, outdated, or duplicate records from CRM, email, and postal data. It keeps contact data accurate, current, and free of duplicates.
List verification is a different job. It checks whether specific details like an email address, a postal address, or a phone number are valid at a given point in time.
List Hygiene | List Verification | |
What it is | Ongoing maintenance of your database | A single check at a point in time |
What it does | Corrects, dedupes, updates and suppresses records | Confirms whether a specific detail is valid right now |
When you use it | Continuously, and before every major campaign | When you need to know a record is good today |
Why Dirty Data Costs You Money
Following data hygiene best practices saves money by removing stale, duplicate, and incorrect records. Left alone, dirty data means:
- Wasted ad and mail spend.
- Poor deliverability.
- Damage to your sender reputation.
- Rep time spent on dead leads instead of good ones.
Deliverability is not only about whether an address exists. Mailbox providers score every send against engagement signals, how many recipients open and click, how many never engage at all, how many unsubscribe or report the message as spam. A list padded with dead and inactive records drags those signals down, and the mail that does reach real subscribers starts landing in the promotions tab, or worse, the spam folder. Removing the records that were never going to respond protects the ones that will.
How much bad data exists in a typical CRM? It varies by company and campaign, but across the files we clean, somewhere between 25 and 30 percent of a consumer list goes bad within twelve months. People move. They change numbers. Life happens. If you’re not actively maintaining your data, you’re not marketing to your audience. You’re marketing to whoever they used to be.
What happens if you never clean a customer database? The information ages. Your reps spend time on leads that can never convert, and not on the ones that can. And increasingly, the cost isn’t only a wasted budget, it’s exposure. Mailing, emailing, or calling people who have moved on, opted out, or joined a Do Not Call registry is a compliance risk, not just a poor result.
— Jared Knapp, Founder of Jared’s Leads
Our Data Hygiene Services
Jared’s Leads simplifies the process for you. We offer four hygiene services, each covering a different part of your data: CRM and database hygiene, email list hygiene and verification, direct mail and address hygiene, and phone and DNC hygiene.
Jared’s Leads simplifies the process for you. We offer four hygiene services, each covering a different part of your data: CRM and database hygiene, email list hygiene and verification, direct mail and address hygiene, and phone and DNC hygiene.
CRM and Database Hygiene
Our CRM and database hygiene services include:
- Deduplication and merge-purge.
- Standardizing formats for compliance.
- Field completion.
- Decayed-record flags, including job changes and company moves.
- Firmographic refresh, including SIC and NAICS codes and employee counts.
CRM platforms like Salesforce and HubSpot can be enormously useful. Without hygiene, those platforms become a great deal less helpful.
Email List Hygiene & Verification
Our email list hygiene service includes:
- Hard and soft bounce removal.
- Spam trap and honeypot screening.
- Role-account and disposable-domain filtering.
- Sender reputation and inbox placement improvement.
- Real-time and batch verification option, including SMTP checks.
- Inactive and non-responsive contact removal.
- Domain and MX-record checks to catch addresses that can't receive mail.
- Syntax, typo and formatting checks to catch malformed addresses before they bounce.
- IP-based address hygiene to flag unknown or high-risk recipient addresses.
- Habitual-complainer and known-fraud account screening.
- Ongoing list monitoring between major campaigns.
Does list hygiene improve email deliverability? Yes. Real-time verification gives you far more current information, and cleaner sending improves inbox placement for your consumer and business email campaigns.
Direct Mail & Address Hygiene
Most mailing lists also carry addresses the Postal Service cannot match, non-standardized, incomplete or simply not recognized by USPS software. Those pieces are undeliverable before they are ever printed, which is what CASS standardization is for.
Our direct mail and address hygiene services include:
- Address standardization through CASS-certified processing so your file matches USPS formatting to support requirements for bulk postal discounts.
- NCOA and PCOA move updates, so you have the most current address over time.
- USPS® ZIP+4® and DSF2® standardization, reducing delays and improving delivery accuracy.
- Deceased suppression, so you are not mailing people who cannot respond.
- Household matching.
- Postal Do-Not-Mail suppression.
Can list hygiene improve direct mail response? It improves the quality of who you reach, which is the part you can control. It cannot guarantee an outcome, but mailing to accurate, deliverable, current addresses is the precondition for one.
Phone & DNC Hygiene
Phone verification keeps your team from wasting time on numbers that will never connect.
Our phone hygiene service includes:
- Phone number validation, including landline, mobile and VoIP.
- Connected versus disconnected status.
- Format correction.
- Do Not Call registry scrubbing against federal and state registries.
- Phone append: Adding a valid number to records that are missing one.
- Reverse phone append: Matching a name and address to a number already on file.
Is Your Data Ready for AI-Driven Marketing?
AI marketing tools are only as good as the data underneath them. That includes lookalike modeling, predictive analytics, and AI-driven personalization.
If your data is incomplete or duplicated, those tools cannot perform. A clean, deduped, standardized record is a precondition for any of them, and it is one of the biggest factors in whether AI-driven marketing works for you.
“Automating a broken process just does the wrong things faster and at scale. Clean up your data and define your process first, then automate it.”
— Jared Knapp, Founder of Jared’s Leads
How Often Should You Clean Your Marketing Data?
There is no single answer that fits every database, but most organizations benefit from:
- Cleaning CRM, email and postal data at least quarterly.
- Cleaning before every large mail or email campaign.
- Scrubbing phone data against the National Do Not Call Registry every 31 days if your running outbound calls, federal rules require it, and eleven states maintain their own registries as well.
Those are the highest-risk and highest-value moments in a campaign, and the points where data decay costs the most. Phone data is the exception to the quarterly suggestion, because the compliance clock runs on its own schedule.
[What Gets Checked & Removed]
Our Data Hygiene Process
Here is what a hygiene project actually covers. Standard turnaround is 48 hours from receipt of your file. Larger or multi-service projects may take longer, and your specialist will confirm a timeline before work begins.
Standard turnaround is 48 hours from receipt of your file. Larger or multi-service projects may take longer, and your specialist will confirm a timeline before work begins.
Benefits: Cleaner Lists & Improved Deliverability
Clean data affects inbox placement, mail response rates, and cost per acquisition directly. It does not guarantee a result, but it removes the most common reason campaigns underperform: reaching people who were never reachable in the first place.Reach
More deliverable contact channels
Focus
Less time spent on dead records
Efficiency
Fewer avoidable campaign costs
Related Services
Many organizations combine data hygiene with other services to get more from the same file:
Ready to Build Your List?
[FAQs]
Frequently Asked Questions
Have a question about Jared’s Leads and our lists? Let us help!
They’re closely related and both correct bad records. Hygiene is the more specialized, marketing-focused version, built around deliverability and campaign performance rather than general database tidiness.
Get Your Free Right List Audit
Jared’s Leads is a data hygiene company for businesses that need CRM, phone, email and direct mail data cleaned in one place. With 18 years of industry experience and Inc. 5000 recognition, we can tell you what your file actually needs before you spend anything on it.
