Dont go with low budget low quality work , I am top rated freelancer and data entry worker, I have expert team also
I have done lots of work in different CRm like amoCRM ,zoho etc , which crm you use , I have also completed deduplicating work in CRM
Ready to do trial work now, i will wait for your reply , Give me more details
you can check my profile and thousand of reviews,
here is 1 similar done project link - https://www.freelancer.com/projects/Graphic-Design/Dedupe-Contacts-Database/
Regards, Sultan