Call 520-526-9850 for a Free Case Review
Call 520-526-9850 for a Free Case Review
At Guardian Tax Law, our team of experienced Arizona tax lawyers is dedicated to helping individuals and businesses resolve IRS and state tax issues with confidence. Whether you’re facing wage garnishment, unfiled taxes, or complex tax debt, our attorneys provide strategic legal solutions tailored to your unique situation.
We combine deep legal expertise with personalized service to ensure our clients receive the highest level of care and representation. If you’re searching for a reliable tax attorney in Arizona, you’ve come to the right place.
OWNER & Tax Attorney
Hubert Johnson is an experienced Arizona tax attorney and the founder of Guardian Tax Law. Since 2009, he has helped thousands of individuals and businesses resolve IRS and state tax issues, saving clients millions of dollars through strategic legal representation. His career includes leadership roles at RLD Tax, OIC Tax, and Tax Tiger, and he also served as a Graduate Tax Law Professor at Baruch College.
Mr. Johnson holds bar admissions in Idaho and California and earned his J.D. from McGeorge School of Law. He has delivered tax lectures across the U.S. and produced educational content on both personal and business tax matters. Known for his clear guidance and commitment to client success, he remains a trusted advocate in tax resolution nationwide.
Tax Attorney
Ruben is a Tax Attorney at Guardian. He also plays a role in supporting our attorneys and enrolled agents with case management, financial analysis for tax resolution options, and client communications in both English and Spanish. He’s been a licensed attorney in Mexico since 2007 and expects to have his credentials as an attorney in the U.S. in early 2022. He holds a Master’s Degree in International Trade and Business Law, as well as a Juris Doctor from the University of Arizona.
Originally from Sonora, Mexico, Ruben worked for the city government of his home town for 3 years, as well as the first Diplomado program in Mexican Law and Policy offered at the University of Arizona College of Law in partnership with Universidad Nacional Autónoma de Mexico. He also worked with the College of Law’s Foreign Diplomat Training Program, which teaches U.S. law to foreign diplomats working in the United States. When he’s not at Guardian, Ruben can be found spending time with his daughter and enjoying his cattle ranch in Mexico.
Office Manager
Ruben Salcido is a Tax Attorney at Guardian Tax Law, where he assists with case management, tax resolution analysis, and bilingual client support. Licensed in Mexico since 2007, he holds a Master’s in International Trade and Business Law and a Juris Doctor from the University of Arizona. He is currently pursuing U.S. bar licensure.
Originally from Sonora, Mexico, Ruben has worked in local government and contributed to legal education programs at the University of Arizona and UNAM. Outside of work, he enjoys spending time with his daughter and managing his cattle ranch.
Angel Santiago plays a key role at Guardian Tax Law, managing the full onboarding process for new clients seeking legal representation. He prepares all initial legal documents, ensuring clients have a clear and smooth start to their journey with us.
Angel also analyzes critical firm data and creates daily operational reports that support our team in delivering high-quality legal service to those facing IRS challenges.
Known for his warm, welcoming voice and positive attitude, Angel helps put clients at ease during what is often a stressful time. His empathy and professionalism make a lasting impression from day one.
Originally from Boston, Angel brings over 24 years of experience in the fast-paced high-tech industry. Outside the office, he enjoys playing guitar, attending live music events, traveling, and spending time in the great outdoors.
We help stop IRS wage garnishments and bank levies by negotiating with the IRS and establishing alternative resolutions to protect your income and assets.
If your business is behind on payroll tax payments, we assist in resolving liabilities and setting up manageable repayment plans to avoid further penalties.
We work with individuals and businesses to reduce or resolve outstanding tax debts through programs such as Offers in Compromise, installment agreements, and more.
Whether you’re missing one return or several years of filings, we guide you through the process of becoming compliant while minimizing your exposure to penalties.
We ensure you stay compliant with federal requirements for reporting foreign accounts and help resolve any issues related to late or missed FBAR filings.
If you’re facing default on an SBA loan, we assist in negotiating repayment terms or settlements to avoid aggressive collection actions and protect your business.
Want to read more client testimonials or share your own experience? Visit one of our business listings below to see what others are saying—or leave us a review!
English 
Español de México