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Collings CPA Firm, PLLC

Our Team

Contact Us (520) 321-1334

Meet Our Team:

Paul A. Collings, CPA, CGMA

Paul Collings, owner of Collings CPA Firm, graduated from the University of Arizona in 1995 with a degree in Finance and Accounting. He is a member of the American Institute of Certified Public Accountants.

Paul’s extensive knowledge of tax and accounting issues and solutions has helped clients in diverse industries and business situations. His clients include individuals, estates, and trusts; real estate, legal, and investment professionals; manufacturing and retail companies; community health centers, crisis centers, schools, and other not-for-profit organizations. 

With a strong background in Information Technology, Paul also provides clients with IT solutions for networks, servers, workstations, software applications, database structuring, and reporting. Paul is committed to working closely with clients to understand their tax and accounting needs and guiding them to the optimum solutions based on his vast experience.


1040 plays a key role here at Collings CPA Firm. From mandatory belly rubs to long naps in the office, she is sure to keep everyone on track! 1040 joined our firm in March of 2018 and quickly became a key member of the team.

Amber L. Deiterich, EA
Senior Tax Accountant

Amber joined our firm in July of 2017 as our Senior Tax Accountant. She obtained a Bachelor of Science Degree in Accounting from Philadelphia University where she graduated Summa Cum Laude. Currently, Amber is enrolled as a graduate student at Villanova University Charles Widger School of Law where she is pursuing a Master's degree in Tax Law. Amber's professional background includes business management, tax administration and tax accounting. 

Amber holds a license as an Enrolled Agent (An Enrolled Agent (EA) is a federally-authorized tax practitioner who has technical expertise in the field of taxation and who is empowered by the U.S. Department of the Treasury to represent taxpayers before all administrative levels of the IRS for audits, collections, and appeals.)

Lauren Alday
Office Manager

Lauren joined our firm in February of 2020. She is likely the person you'll speak with on the phone and the one who will greet you when you come into our office. Lauren is in charge of our firm's bookkeeping, payroll filings, and our day to day operations. She has an extensive background in office management and administration.

Adrianna Huicho
Tax Assistant

Adrianna joined our firm as a Tax Assistant in June of 2021. She obtained a Bachelor of Science Degree in Accounting from the Univeristy of Arizona in May of 2020.