Hello Randy Kopel,
You can increase the logo size from acmethemes/hooks/core.php file. You will get the custom logo size there and increase the height and width. Also, please provide the site url and the necessasry logo size, so that we can provide the best solutions. If you are not able to increase the logo size, let us know. We will provide the best alternative solutions for you.
Warm Regards
Acme Supports