Back to top

About Us

Cynthia M. Hickey, CPA, MBA, CSA

Founder and Principal


Cindy established Sheffield Advisors LLC in 2008. Since becoming a tax professional in 1986, she has earned a long-standing reputation for providing insightful and non-judgmental counsel to owner-managed businesses, non-profit organizations, fiduciaries and individuals.

Cindy is a member of the American Institute of Certified Public Accountants and the Massachusetts Society of Certified Public Accountants. She serves on the board of Hope In Bloom and volunteers at Perkins School for the Blind and a Servant’s Heart Food Pantry.

Cindy received a B.S. in Operations Management from Boston College and a Master of Business Administration from Babson College. She recently earned the Certified Senior Advisor (CSA) designation enhancing her ability to serve the senior community.



Denise C. Yelvington, CPA



Denise has been working as a tax professional for over 15 years. She has extensive experience working with high net worth individuals, creative artists, and small businesses.

Denise provides a variety of tax services to all of our clients with enthusiasm and dedication, making her an indispensable advisor. She volunteers her time at various charities and community organizations in the Central Florida area.

Denise received a B.S. in Accounting from Florida State University, and is a licensed CPA in the states of Massachusetts and Florida. She is also a member of the American Institute of Certified Public Accountants.