A History of Helping Clients
Here at Walker & Company, we have been providing clients with personalized tax preparation and accounting services in San Antonio since 1986. We have years of training and expertise in a wide range of
fields - no financial or tax issue is too complex for our team to tackle! ​
We have grown from 40 clients in 1986 to over 750 clients all around the United States. We can take care of your local or out-of-state tax needs!
Mark Robert Noel
Owner and Enrolled Agent
Mark graduated with a bachelor's degree in business administration with an accounting emphasis in 1998 and began his tax career with the Volunteer Income Tax Assistance Program in 1999. He then graduated from law school in 2004. Mark became an Enrolled Agent with the IRS in 2013 and has over 20 years of tax experience. He is also a United States Tax Court Practitioner and a Fellow of National Tax Practice Institute. His résumé doesn't stop there; he is also a member of the Jalapeno Chapter of the Texas Society of Enrolled Agents.
Mark represents individual and business taxpayers with a variety of tax problems, including audits, liens and levies, notices, and unfiled returns.
He lives here in San Antonio with his wife and young son and their two
rescue dogs! When he is not working, he is either cheering his son on at basketball, walking the dogs, or working on a puzzle. He also loves to fly-fish for bass and trout!
Sharla Ward
Staff Accountant
Sharla is our expert in all things bookkeeping! She has a BBA with an emphasis in accounting. Sharla has over 30 years of bookkeeping and tax work experience. She has been with Walker + Company for over 22 years! Sharla loves being a mom first, but fell in love with accounting because she likes the challenges that each new project brings her. She performs a variety of services for her clients like payroll, sales tax, and bookkeeping. She also prepares personal and business tax returns.
When Sharla isn’t in the office, she loves spending time with her family, traveling and jet skiing at the lake!
Sandie Grasch
Office Manager
As our Office Manager, Sandie is often the first friendly face to welcome clients to our firm. As a retired teacher with a natural gift for connection, she brings warmth, patience, and clear communication to every interaction. Having been with the company for two years, Sandie knows how to guide clients through what they need, whether that’s scheduling, paperwork, or getting answers to their questions. Her upbeat presence helps set the tone for the personal, attentive service our clients appreciate.
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When Sandie is not at work, she enjoys spending time with her family, traveling, and attending football games with her husband.
Terry Walker
Consultant and Retired CPA
After an accomplished career spanning more than 30 years, Terry has officially retired from public accounting. A proud graduate of the University of Texas at Austin and San Antonio, Terry earned his bachelor’s degree in business data systems accounting and his CPA license in 1986. Throughout his decades in practice, he was known not just for his technical expertise but also for his genuine care for clients, helping them understand their returns and finances with confidence.
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Now enjoying a well-earned retirement, Terry spends his days with his wife and their three dogs and occasionally sneaks in one of his favorite pastimes: a good nap.