Our Company Cook Financial Group offers all-encompassing services for our clients. As one of the oldest financial advisory services firms in Arizona, our reputation thrives on our high-level of customer service. When our clients are truly confident in their financial stability, we have done our job. Our Commitment Whether you are experienced in the world of financial matters or are just starting to build your portfolio, Cook Financial Group can help you every step of the way. Our Principle Even if you have an MBA in business, financial matters can be daunting. In addition to managing and growing your money, the experienced staff at Cook Financial Group aims to provide a continued education that will strengthen our working relationship.