If you'd like to transmit the company name with the person record, use merge tags. This article covers merge tags.
People records can be sent from Mailchimp to Daylite but company records cannot.
How do I make sure that unsubscribers are removed from the newsletter audience?
Some contacts are not synchronized with MailChimp. Why?
🎬 How do I configure the Mailchimp Integration with Daylite?