Insurances Advisors of St. Louis is an independent Insurance agency located in St. Louis, Missouri. We have been in business for over 50 years and continue to provide the best rates to our customers. Since we are all independent insurance agents, we are working for you and not for the insurance agency which means we can pick from a large group of different insurance companies and find you the best rate that works for you. That is what sets IASTL apart from other private insurance agencies.