About



Meet The Managing Partners

Cristy Fontanilla FAS Bookkeeping Services Katy

Cristy Fontanilla

Cristy Fontanilla is the Managing Partner of FAS.

Prior to this role, Cristy spent over thirty years in manufacturing and service industries. Using risk-based strategy combined with professional skepticism, Cristy capitalized on the value of information to drive business’ operational and financial performance. In her management role, Cristy delivered financial advisory services for business success.

Cristy graduated with a Bachelor of Science in Commerce. Cristy is an Enrolled Agent (EA) and a QuickBooks Online Certified ProAdvisor.

She is also a Part-time Mod Faculty for Houston Community College, involve with the Goldman Sachs 10,000 Small Business Program and teaches the Financial Module (Money & Metrics).

Cristy is a board member of the Katy Area Chamber of Commerce and formerly a Committee Chair for the Business Development of the Fulshear Area Chamber of Commerce.

Dennis Fontanilla FAS Bookkeeping Services Katy

Dennis Fontanilla

Dennis Fontanilla is the Managing Partner of FAS.

Prior to this role, Dennis spent over thirty years working in a number of corporations in progressive positions. Applying his knowledge and experience learned from the corporate world, Dennis leverages his experience to provide clients with bookkeeping and controller’s knowledge that are normally available to large corporation.

In this role, Dennis oversees the clients’ monthly bookkeeping requirements. With Dennis’ passion to provide clients with the best service, he provides a combination of personal attention, technical bookkeeping expertise, and latest technology. With these, clients have peace of mind knowing that their books are in order so they can focus on what they do best, grow their business.

Dennis graduated with a Bachelor of Science in Commerce. He is a QuickBooks Online Certified ProAdvisor.