Treasure Valley CPA
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About Us

Treasure Valley CPA provides comprehensive accounting and bookkeeping services for clients in Idaho’s Treasure Valley. We are passionate about helping local businesses succeed. We give each client the attention to detail necessary to help them make smart business decisions. 

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Alden Holm
Certified Public Accountant

Before founding Treasure Valley CPA, Alden served as a senior accountant for the State of Idaho. With over 25 years of tax and business consulting experience, he brings a strong understanding of critical decision-making to each of his clients.

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Carmen Zapata
Senior Accountant, Tax Preparer
Carmen loves working with numbers. When many things don’t make sense, numbers do: one plus one will always be two. Carmen joined Treasure Valley CPA in 2008. She has over 18 years of accounting and tax preparation experience. Carmen takes pride in answering all your questions to ensure that your business is set up correctly and on a solid foundation.  She provides various accounting and tax services including financial reporting, reconciliations, Quickbooks assistance, and both personal and business tax preparation. Carmen speaks Spanish and English.

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Maria Isabel Orozco
Payroll Manager
Maria Isabel has been with Treasure Valley CPA since 2011. As the payroll manager, Maria can help identify your payroll needs and set up a customized system to serve you and your employees’ needs. She is fluent in Spanish and English.

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Docena Holm
Bookkeeper, Tax filer
Docena is married to Alden, our CPA. She loves writing, her children and grandchildren, balancing numbers, and working with Alden. Docena has professional bookkeeping, sales tax, and office managing experience. She works full time during tax season and intermittently the rest of the year.

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Elizabeth McGilvery
Office Manager and Tax Preparer

Liz has a strong passion for both accounting and customer service, combining accuracy with a genuine care for people. Supporting clients and colleagues with professionalism and a positive attitude is at the heart of everything Liz does. She takes pride in maintaining organized financial records, assisting clients with their bookkeeping needs, and ensuring each interaction is handled with clarity and respect. Liz believes that trust and transparency are the foundation of great client relationships.


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Viviana Arellano
Tax Accountant

Viviana is a recent graduate from Boise State University and is bilingual in English and Spanish. Since joining Treasure Valley CPA in 2021, she has gained hands-on experience with payroll processing where she developed a strong attention to detail. She is passionate about working with people and building lasting client relationships. 
Viviana es una recién graduada con experiencia en nómina y esta comprometida a brindar un servicio preciso y confiable al cliente. Se esfuerza por crecer profesionalmente cada día y aportar valor a Treasure Valley CPA. 

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Angie Watt-Hayes
Staff Accountant

Angie finds joy in the outdoors, especially through camping and fishing adventures. Spending quality time with family is one of her greatest priorities. She's always had a passion for numbers and enjoys using analytical thinking to solve problems and make informed decisions. Whether she's by the water or working through a spreadsheet, she brings focus, curiosity, and heart to everything she does.


Contact Us
(208) 322-0720

9446 W. Fairview Ave.
​Boise, ID 83704
  • Home
  • About
  • Client Tax Forms
  • Payroll
  • Extensions
  • Directions