DINNER Seven nights a week, – p. What should you serve at a group business lunch meeting?What should you wear? Following Up with Clients Meetings. Choose meals that will fill you full without making you feel heavy so you don't feel like you're in a food coma halfway through the meeting. Holding a business meeting at a restaurant can be a nice change from the conference room. Here's are details to consider when planning one. From the "why should you" to the "what to think about", here's the ultimate guide to catering a business lunch or client meeting. Read up on proper Etiquette and if possible review the guests list. You will be prepared, to carry on conversations with everyone.