An events agency works with two types of costs. A concept fee (2,000 to 10,000 euros) for strategy and design. Then production costs: venue, catering, entertainment, technology. A small staff party sits around 5,000 to 10,000 euros. A medium-sized kick-off: 20,000 to 30,000 euros. Exclusive events with top entertainment: 50,000+ euros. Read more about events agency costs.