Greysteel | 19,369 followers on LinkedIn. Greysteel is a leading commercial property advisor for private, middle-market and institutional investors. | Greysteel is a leading commercial real estate advisory firm serving private, middle-market, and institutional investors. Our professionals are more than brokers; they are expert advisors who leverage a highly collaborative, data-driven platform to deliver tailored solutions for our clients’ unique needs. By combining deep market intelligence with a disciplined approach, we provide a new standard of execution in real estate investment services.