Disclaimer: I've never done this before, but this is what I'd do.
Approach branding in the same way as internationalization. Instead of hardcoding strings, reference a config file that translates the logo/brand names/color scheme for the specific deployment. Look into how Shopify does this for their customers.
Approach branding in the same way as internationalization. Instead of hardcoding strings, reference a config file that translates the logo/brand names/color scheme for the specific deployment. Look into how Shopify does this for their customers.