Hi @MNewman,

Welcome to the Freshworks Community!

I understand you are looking to bulk update your company fields, unfortunately we do not have a provision to have this done, through the UI of freshdesk. 

But we do have a work-around through API, where you can update the ticket company field, by running a script with additional developer assistance, 

Please refer to our documentation on more insight into this -

https://developers.freshdesk.com/api/#update_ticket

You can update the Company ID from here, but please keep in mind that this attribute can only be updated if the ‘Multiple Companies’ feature is enabled (i.e : Estate plan and above).

I hope this was helpful, please let me know if you require any further assistance on the same, we will be happy to help!