Interior designers manage large budgets, coordinate vendors, and make design decisions that affect property values. A client who is unhappy with a renovation, or a contractor who makes a costly mistake on your recommendation, can sue you for the difference. An LLC protects your personal assets and establishes the credibility that high-end residential and commercial clients expect. St. Louis is home to ~30K businesses and has a population of 302K, making it a thriving market for interior designers. Forming your LLC in MO provides personal asset protection and positions your interior designers business for growth in the St. Louis metro area.