Who We Are

Since 1951

Riser, Gibbons & Carpenter LLP has been serving Charleston and the surrounding region since 1951. Our team specializes in enhancing personal wealth and business value through quality tax and accounting services, adept financial counsel, and advocacy of our client's interests. We are very proud of our long-standing and experienced staff. We feel this has allowed us to develop a reputation of dependability and a commitment to personal service that has been the foundation of our practice.

We are committed to providing close, personal attention to our clients. We take pride in giving you the assurance that the personal assistance you receive comes from years of advanced training and technical experience. Our continual investment of time and resources in professional continuing education, computer technology and extensive business relationships is indicative of our commitment to excellence. We are extremely proud to have received unqualified opinions on all of our independent peer reviews of our Quality Control Program since the inception of the Peer Review Program.

Our firm is committed to providing:

  • Efficient and high quality accounting and tax services performed on a timely basis.

  • Timely response to your inquiries and access to our firm's management.

  • Proactive suggestions and recommendations, particularly with regard to tax matters.

We are confident that Riser Gibbons & Carpenter LLP is well qualified to serve you. Innovative thinking and carefully planned strategies are needed for our clients to succeed in today's business environment. As a result our service approach recognizes that to help our client's meet challenges successfully, we must expand the role of the traditional business engagement from the preparation of historical financial statements and tax compliance-only functions, to business consulting, financial and estate planning. Our experienced team of professionals is eager to help our clients meet the challenges presented in today's business world.

Meet Our Team


  • Phone: (843) 554-5600

    Glenn graduated from Newberry College in May 1964 with a B.S. in Business Administration with an emphasis in accounting. Glenn joined the firm in 1964. He completed the CPA examination requirements and was granted licensing from the State of South Carolina in 1974. Glenn became a partner of the firm in 1975.  In 2001, Glenn obtained his designation as a Certified Specialist in Estate Planning (CSEP) from the National Institute for Excellence in Professional Education.

    In addition to preparing business and individual tax returns, Glenn works closely with businesses to ensure proper compliance with state and federal tax agencies. He also specializes in estate tax planning. Glenn maintains membership with the following organizations:

    • American Institute of CPAs

    • SC Association of CPAs - Coastal Chapter

    • Estate Planning Council of Charleston

    • National Institute for Excellence in Professional Education

    • Rotary Club of North Charleston

    Glenn resides in Mount Pleasant with his wife, Gail. They have three children and five grandchildren. He attends Christ Church.

William D. Riser, CPA, CSEP – Partner

  • Phone: (843) 554-5600
    Mobile: (843) 530-3414

    Tyler is a CPA in public practice and partner with Riser Gibbons & Carpenter LLP CPAs. He attended the University of South Carolina where he received a B.S. in Criminology and Criminal Justice; he later completed his study in Accountancy at the College of Charleston.

    Tyler specializes in the field of financial forensics and provides support on active financial fraud investigations. He works closely with businesses to provide guidance on tax reporting issues as they relate to Federal and State compliance; as well as creating and implementing accounting systems and technology. Mr. Gibbons’ specialized assignments have included:

    • Employee Fraud and Embezzlement Calculations

    • Search for asset analysis in divorce disputes

    • Reconstruction of accounting records

    Tyler is a Charleston native and resides in Mount Pleasant with his wife, Lacey and their four children Leighton, Logan, Mikelyn and Taylor. 

    Affiliations:

    • American Institute of Certified Public Accountants (AICPA)

    • Association of Certified Fraud Examiners (ACFE)

    • South Carolina Association of CPAs - Coastal Chapter (SCACPA)

    • Charleston Metro Chamber of Commerce

Charles W. Carpenter, CPA, CSEP - Partner

 

Laura A. Griffin – Accountant

Tina Lineberger - Office Manager

Sassy A. Wiley, MBA - Accountant