You need banners and tablecloths. Have you thought about shirts and pens?
There’s a lot to this. I’ve done it and I can help guarantee you event is unique.
I’ve been there.
Some graphic designers are great at design, but haven’t been through the stress of designing for a full event. Let me help you remember the small details. Did you forget the sponsor’s logo? Should we make a quick handout for the guests too?