CRM Import: You provide us with a spreadsheet with key data. This should following the best practices outlined in the following post.
CRM Migration: Best suited if you are not able to export your data into a spreadsheet or need "timeline-based items" such as emails, meeting notes, and other activities.
If you're looking for a migration, we're happy to discuss how to best assist you. Note that migrations are not included in our standard packaging and is priced separately.