Event planners coordinate complex logistics with multiple vendors, venues, and large crowds. A cancelled event, guest injury, or vendor no-show can lead to lawsuits seeking significant damages. An LLC protects your personal assets and provides the legal structure that venues and corporate clients require before signing contracts. San Francisco is home to ~120K businesses and has a population of 874K, making it a thriving market for event planners. Forming your LLC in CA provides personal asset protection and positions your event planners business for growth in the San Francisco metro area.