Across all invoices:
Click on the Gear Icon at the top of the page and go to RECEIVE MONEY then INVOICES
Uncheck "Show Company Name" on the top left corner of that page
If it is only happening on one or a few invoices:
Head to the job or lead it is happening in.
Click into INVOICES on that job.
Click INVOICE OPTIONS.
Then uncheck "Bill to Company Name"