I will lead suppression, deduplication and data cleaning for marketing and CRM
Level 2
Has met high performance criteria and has a proven track record for meeting client expectations.
About this Gig
I specialize in lead suppression, lead deduplication, and data preparation following the same workflows used in professional lead brokerage and lead delivery operations. In this space, lead quality, suppression accuracy, and compliance awareness are non-negotiable.
Every dataset is prepared with a clear objective: clean, duplicate-free, properly formatted leads that are ready for email campaigns, SMS campaigns, CRM uploads, or buyer delivery. The focus is not just on cleaning data, but on preparing it the way it must be handled before campaigns are launched or leads are sold.
I manage the full lead preparation process from raw data intake to final, delivery-ready files.
What This Service Covers
- Lead suppression to prevent duplicate outreach
- Lead deduplication using email and phone logic
- Data scrubbing and hygiene checks
- TCPA-aware lead preparation for email and SMS campaigns
- Formatting for CRM, dialers, and marketing platforms
- Final quality control before campaign use or delivery
Data Types Handled
- Marketing leads
- Sales leads
- Email lists
- Phone number lists
- CRM exports
- Bulk lead files
Files are delivered in Excel or CSV format
FAQ
What types of lead data do you work with?
I work with marketing leads, sales leads, email lists, phone/SMS lists, CRM exports, and bulk lead files. This includes data prepared for email campaigns, SMS campaigns, dialers, CRMs, or buyer delivery.
How is deduplication performed?
Deduplication is done using email-based and phone-based logic, depending on the dataset and campaign use. Records are evaluated to remove duplicates while preserving the cleanest and most usable version of each lead.
What does lead suppression include?
Lead suppression ensures contacts are removed to prevent duplicate outreach or conflicts with existing lists. This is essential in live lead environments, email campaigns, SMS campaigns, and multi-buyer delivery scenarios.
Is this service suitable for email and SMS campaigns?
Yes. Data is prepared specifically to support email marketing and SMS marketing campaigns, with attention to formatting, suppression logic, and campaign readiness.
Do you handle TCPA-related data preparation?
Yes. Lead data is prepared with TCPA-aware hygiene practices commonly used in professional lead operations, helping reduce risk and improve campaign integrity.
What formats will I receive my data in?
Final files are delivered in Excel or CSV format, structured for easy upload into CRMs, dialers, email platforms, or SMS tools.
Can you work with large or ongoing lead volumes?
Yes. I regularly handle bulk datasets and recurring lead preparation, following consistent workflows to maintain quality across deliveries.
Will my data remain confidential?
Absolutely. All data is handled professionally and confidentially, with no sharing or reuse.
Is this automated or manual work?
This is process-driven operational work, combining structured workflows with hands-on quality control. It is not one-click automation or generic list cleaning.
2 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
A aqsahj

United Kingdom
Onesmus worked very professionally and to a high standard. I’m very happy with the response time and the quality of the work
$100-$200
Price
10 days
Duration
Helpful?E enricods_

Italy
Working with Onesmus has been very rewarding. A skilled and professional person, he listened to my needs and delivered an excellent result in line with expectations and within a short time. 100% recommended!
$100-$200
Price
5 days
Duration
M 
Seller's Response
Helpful?
2 reviews for this Gig
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
A aqsahj

United Kingdom
Onesmus worked very professionally and to a high standard. I’m very happy with the response time and the quality of the work
$100-$200
Price
10 days
Duration
Helpful?E enricods_

Italy
Working with Onesmus has been very rewarding. A skilled and professional person, he listened to my needs and delivered an excellent result in line with expectations and within a short time. 100% recommended!
$100-$200
Price
5 days
Duration
M 
Seller's Response
Helpful?
