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. Chicago is home to ~300K businesses and has a population of 2.7M, making it a thriving market for interior designers. Forming your LLC in IL provides personal asset protection and positions your interior designers business for growth in the Chicago metro area.