Clarity. A perfect pairing for Food & Hospitality Marriner Marketing is a full-service advertising agency. Our specialty is crafting and executing marketing strategies for major food and hospitality companies and associations. MarrinerÕs core strengths benefit any competitive enterprise. Brand building. Market research. Strategic planning. Breakthrough traditional and interactive campaigns. When success is on the line, thereÕs no room for anything less than superior thinking that connects emotionally with targets.