Meet Your Team Meet Your Team Meet Your Team

Cristy Fontanilla
Cristy Fontanilla is a Managing Partner of FAS.
Prior to this role, Cristy spent more than 30 years in manufacturing and service industries. Using risk-based strategy and relentless curiosity, Cristy leveraged financial information to drive business operational performance. In her management role, Cristy maximized financial advisory services to drive business success.
Cristy graduated with a Bachelor of Science in Commerce. Cristy is an Enrolled Agent (EA), the highest credential the Internal Revenue Service (IRS) awards to tax professionals. She also is a QuickBooks Online Certified ProAdvisor.
She holds a faculty position with Houston Community College (with the Goldman Sachs 10,000 Small Business Program) and teaches the Financial Statement Workshop and the Financial Module (Money & Metrics).
Cristy is a board member of the Katy Area Chamber of Commerce.

Dennis Fontanilla
Dennis Fontanilla is a Managing Partner of FAS.
Previously, Dennis spent more than 30 years working in the corporate world in progressive positions. Applying this knowledge and experience, Dennis provides clients with financial and controller knowledge that usually is available only to those in large corporations.
With FAS, Dennis oversees clients’ financial requirements. With his passion for providing outstanding service, Dennis also delivers a combination of personal attention and technical financial expertise, utilizing the latest technology. With this service and attention to detail, clients have peace of mind knowing that their finances 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.
My Story
Hi! I’m Cristy Fontanilla, a managing partner of FAS Bookkeeping and Tax Services, come join me in this video where I share my journey, my story, that made me who I am and why I do what I do.

Your Solutions To Success Your Solutions To Success Your Solutions To Success
Small Business Financial Services
Individual Income Tax Services and IRS Response Assistance
US and Canada Cross Border Tax Services
What Our Clients Say What Our Clients Say What Our Clients Say
They recently was going over our books and found that our Payroll Company took a large sum of money out of our business account since October of 2020.
There is no way I would have been able to find this money if it wasn't for Dennis and Cristy; I am so grateful to them. For honestly and integrity, FAS should be the company you should talk to.
If you own a small business and operate in the Houston or Katy area you will benefit from working with Cristy on your financials and getting straight forward honest advice from one of the best accountants in the area
Their client service is outstanding and response time is impeccable. I highly recommend FAS Bookkeeping & Tax Services for your bookkeeping and tax compliance needs
One time when I was needing a financial package to submit, I sent a request to Cristy with a very short notice. However, within a few hours, Cristy got back to me with the information I requested. They truly care and are passionate about helping their clients succeed.
I highly recommend Cristy Fontanilla to handle both your bookkeeping and tax services. She is very professional, resourceful and responsive. She was great about recommendations to improve our tax situation.
Their communication with us and expertise has been invaluable. If you are a small business owner like I am, I highly recommend you call them and let them make your life much easier.
They are truly great team!
Very responsive! FAS bookkeeping service has been an integral part of my consulting business.
I highly recommend FAS to business owners who are looking for a reliable business partner to handle their bookkeeping needs.
I have known Christy for about 5 years. She has assisted several of my clients and me personally.
If you are a business owner, Christy makes an outstanding strategic partner. I highly recommend her.
I started looking for a new bookkeeping and tax service firm as my company was no longer getting the service and attention that we deserve from a bookkeeping firm.
I highly recommend FAS to business owners who are looking for a reliable and professional bookkeeping and tax preparation service firm.
Because of the nature of my business and report requirements from corporate that are time-sensitive.
I can count on Cristy and her team’s eye for detail and reliability to deliver accurate and timely financial information.
We've been with FAS for years and they are one of the most professional and honest people we've worked with.
I highly recommend Cristy, Dennis and FAS Bookkeeping & Tax Services Firm.
Being a small business owner means we’re always constrained by time and resource.
I highly recommend FAS for your bookkeeping and tax preparation needs.
If you own a small business and operate in the Houston or Katy area you will benefit from working with Cristy on your financials
Not only she help with our taxes, she even organize our entire book keeping for very reasonable price.
Both Dennis and Cristy have gone way beyond their normal duties to provide services at the highest level.