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Fiverr Pro
English
$
USD
I will build targeted b2b leads, and clean contact CRM databases
Data Enrichment, Email List Building, Lead Generation, and Web Scraping Expert
Targeted B2B lead generation, prospect research, and decision-maker contact discovery to accelerate pipeline, outreach, and conversions across global markets.
15+ years experience delivering data enr...
About this Gig
High-Quality B2B Lead Generation & Data Enrichment Services
Are you struggling with outdated CRM data, low-quality leads, or missing contact details?
I help businesses scale faster by delivering accurate, verified, and enriched B2B data using deep manual research.
B2B Lead Generation & Prospect List Building
- Targeted sales leads based on industry, location, and job title
- Decision-makers (CEO, Founder, VP, Director-level, etc)
- Phone numbers, business emails, etc
Data Enrichment & Data Appending
- Update outdated contacts (job changes, company moves)
- Add missing fields: Email list, Contact list, LinkedIn profiles, Company size & revenue, etc.
- Tools: LinkedIn, LinkedIn Sales Navigator + web research
CRM Data Cleaning & Validation
- Remove: Duplicates, Invalid emails, and Wrong or outdated records
- Improve CRM quality (HubSpot, Excel, Google Sheets)
Email Research & Verification
- 100% ZeroBounce verified email list building for email marketing
- Reduce bounce rate
- Verified using multi-step validation process
Why Choose Me?
- High accuracy & verified leads
- Fast delivery (even large files)
Send me your target criteria, and I'll build a high-converting prospect list for your business.
My Portfolio
FAQ
What about your experience in database enrichment and validation?
I have huge experience in Database Validation, Enrichment and Cleansing jobs. I have enriched over 15 Million datasets along with their business emails and address in various industries.
How do you handle large files?
Since we have a team of 15+ well-experienced web research executives so that I can handle and complete a large volume of tasks with ease.
How about the quality of your file?
We are using several great tools to find and verify emails and we are carrying deep quality check process as well to ensure the data I'm sharing with you.
Will you be able to support on revision process?
Yes, We are ready to revise the file after completing the project and make changes as per your requirements if needed.
Reviews
11 reviews for this Gig
| (10) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S simon_cottee
Repeat Client
United Kingdom
We had quite a tricky project updating and enhancing our marketing database, that evolved from the initial bid. Madhan made sure he understood the brief, came back with a good revised price, delivered on time, and completed more of our contacts than we expected. Would definitely use again.
$200-$400
Price
9 days
Duration
Helpful?S showoffdennis
Repeat Client
Norway
We haave done many projects together now, and he always delivers as agreed upon. Will continue this partnership :-)
$100-$200
Price
5 days
Duration
Helpful?S showoffdennis
Repeat Client
Norway
He have now done multiple job for me, always deliver as promised. Will definately keep up our ongoing cooperation.
$200-$400
Price
5 days
Duration
Helpful?S showoffdennis
Repeat Client
Norway
Madhan K. did an EXCELLENT job on the data enrichment project, showcasing true professionalism and delivering top-notch work. Working with him was a breeze thanks to his promptness, great cooperation, and quick responsiveness. I'll DEFINITELY use his services again! 😊
$50-$100
Price
5 days
Duration
M 
Seller's Response
Helpful?H 
hurk301
United States
Did the job right on time
Up to $50
Price
8 days
Duration
Helpful?
Reviews
11 reviews for this Gig
| (10) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S simon_cottee
Repeat Client
United Kingdom
We had quite a tricky project updating and enhancing our marketing database, that evolved from the initial bid. Madhan made sure he understood the brief, came back with a good revised price, delivered on time, and completed more of our contacts than we expected. Would definitely use again.
$200-$400
Price
9 days
Duration
Helpful?S showoffdennis
Repeat Client
Norway
We haave done many projects together now, and he always delivers as agreed upon. Will continue this partnership :-)
$100-$200
Price
5 days
Duration
Helpful?S showoffdennis
Repeat Client
Norway
He have now done multiple job for me, always deliver as promised. Will definately keep up our ongoing cooperation.
$200-$400
Price
5 days
Duration
Helpful?S showoffdennis
Repeat Client
Norway
Madhan K. did an EXCELLENT job on the data enrichment project, showcasing true professionalism and delivering top-notch work. Working with him was a breeze thanks to his promptness, great cooperation, and quick responsiveness. I'll DEFINITELY use his services again! 😊
$50-$100
Price
5 days
Duration
M Seller's Response
Helpful?H hurk301
United States
Did the job right on time
Up to $50
Price
8 days
Duration
Helpful?
