979-542-5551 
About Us
Urban, Thielemann, Oltmann and Herms, LLP was started in June 1973 by Curtis Urban. After 38 years of providing accounting and tax services, Curtis retired in December 2011. Currently, the firm has three partners: Douglas Thielemann, Tracy Oltmann and Nancy Herms. The partners along with the staff provide a full range of quality accounting and tax services.
doug@giddingscpa.com
Douglas Thielemann graduated from Texas A & M University in 1976 with a BBA in Accounting. Doug has been a CPA since 1982 and has over 44 years of experience in public accounting. His specialties include Individual, Partnership, Corporation and Trust tax returns, Tax and Estate planning and Audits and Reviews of financial statements.
tracy@giddingscpa.com
Tracy Oltmann graduated from Texas A & M University in 1994 with a BBA in Accounting. Tracy has been a CPA since 1997 and has over 26 years of public accounting experience. Her specialties include Individual, Partnership, Corporation and Trust tax returns, Tax and Estate planning and Audits and Reviews of financial statements.
nancy@giddingscpa.com
Nancy Herms graduated from Texas A & M University in 1993 with a BBA in Accounting. She has been a CPA since 1999 and has over 25 years of experience in public accounting. Her specialties include Audits and Reviews of financial statements, Individual, Partnership and Corporate tax returns.
maryann@giddingscpa.com
Mary Ann Prellop has been a licensed Enrolled Agent since 1989. She has over 48 years of experience in bookkeeping and tax preparation services. Her specialties include Individual, Partnership, Corporation and Trust tax returns, Tax and Estate planning, and Accounting and Financial Statement preparation services.
Peggy@giddingscpa.com
Peggy Casey graduated from Tarleton State University in 1993 with a BBA in Accounting and has over 37 years of experience in accounting including 15 years in public accounting. Her specialties include individual, partnership, corporation and trust tax returns.
lory@giddingscpa.com
Lory Mitschke graduated from Blinn College in 1981 with an Associate's Degree in Accounting. She has over 38 years of experience in accounting. Her specialties include Accounting, Payroll and Sales Tax reporting and she is proficient with QuickBooks.
elaine@giddingscpa.com
Elaine Weiser has been with our firm for over 23 years. Her specialties include Accounting, Payroll and Sales Tax reporting and she is proficient with QuickBooks.
jane@giddingscpa.com
Jane Siegmund has been with our firm for over 13 years. She is the smiling face you see when you come to our office and the cheerful voice you hear when you call us.
helen@giddingscpa.com
Helen Weiser has been with our firm for over 13 years. During tax season, she happily answers our phones and cheerfully greets you as you come in the door.
karly@giddingscpa.com
Karly Schroeder graduated from Mary Hardin Baylor in 2019 with a BBA in Accounting. She will be assisting our firm with Individual, Partnership, Corporation and Trust tax returns, as well as bookkeeping and payroll services.
