There are multiple definitions - click on the translation that matches your context.

Handelsunternehmen

Substantiv

partial

retailer

noun

Comparative law notes

In some antitrust/competition law contexts, this may be a better translation match, if it is clear the Handelsunternehmen sells to the public.

Definitions of retailer

a person, shop or business that sells goods directly to the public

Delivery is quoted at the retailer's standard rate.