I’m interested in offering catering on Grubhub. How do I do that? Linh Lam Updated October 10, 2016 14:46 Follow Reach out to your account advisor to learn about your catering options with Grubhub. If you are not currently a Grubhub restaurant partner, email firstname.lastname@example.org or call 877-805-5081. Related articles How do customers order catering on Grubhub? How do I manage a catering order? What if I want to make changes to my catering menu? How do I sign in to my account? How will I know I’ve received a catering order? Comments 0 comments Article is closed for comments.