 LAFAYETTE, La.--BUSINESS WIRE--Waitr Holdings Inc. Nasdaq: WTRH Waitr or the Company, a leader in on-demand food ordering and delivery, today announced the Company has completed the asset acquisitions of payment processing companies ProMerchant, Flow Payments and Cape Cod Merchant Services, three players in the merchant processing solutions space. These acquisitions of these innovative payment companies are part of our growth strategy to offer a full suite of payment processing servi 