Add your custom HTML here

Professional Accounting Services

Schedule an Appointment

Your Local Accounting Professional in Southern CA

Welcome to AVS Accounting, headquartered in Fontana, CA. I specialize in providing top-quality accounting and bookkeeping services for businesses and individuals in Southern California. I understand that managing finances can be challenging, which is why I offer a variety of customizable services to meet the unique needs of each of my clients.

Experienced Accountant

Hello. I'm Alex Spainhower and I founded AVS Accounting. I have over 13 years of experience in the industry and I'm a QuickBooks ProAdvisor. I provide expert services that include bookkeeping and accounting for small and mid-size businesses, as well as individuals and families. I am highly knowledgeable and experienced and provide superior customer service. I am dedicated to providing my customers with quality work, and competitive pricing.

Experienced Certified Public Accountant — Fontana, CA — AVS Accounting

My complete virtual services are available throughout the U.S.


I'm available 24-hours a day for your convenience.


AVS Accounting provides accounting and bookkeeping services that are tailored to your specific needs. I understand that managing finances can be overwhelming, and that's why I am committed to making it easier for you. Contact me today to learn more about how I can help you achieve your financial goals.

⭐⭐⭐⭐⭐

AVS Accounting is a very thorough and trustworthy firm. - Anthony S.

⭐⭐⭐⭐⭐

I have worked with Alex in multiple companies in which I have served as CEO. He is very much on top of his game and an absolute great manager of details. His value against his cost is outstanding. I would offer the best of references on him and his work. - Larry B.

⭐⭐⭐⭐⭐

Alex is not only very professional but has a solid knowledge in accounting and QB. He is very efficient, fast with turnaround. You can feel confident you will not be over billed. He is always available even working through different time zones in the United States and Internationally. I highly recommend! - Kary G.

⭐⭐⭐⭐⭐

Alex came in at the right time to help us with our complex bookkeeping in our LLC.

So much knowledge to not just do what we ask, but the question why and make adjustments based on his prior experience and expertise. Highly highly recommend.

- Lisa M.

⭐⭐⭐⭐⭐

I love dealing with Alex, he is prompt professional and a nice guy as well.

- Fred C.

⭐⭐⭐⭐⭐

Competent bookkeeper that seems to know his stuff. Highly recommend! - Shane W.

⭐⭐⭐⭐⭐

Great experience, very happy with his work, worth every peny. - Alfredo M.

⭐⭐⭐⭐⭐

AVS Accounting is a very thorough and trustworthy firm. - Anthony S.

⭐⭐⭐⭐⭐

I have worked with Alex in multiple companies in which I have served as CEO. He is very much on top of his game and an absolute great manager of details. His value against his cost is outstanding. I would offer the best of references on him and his work. - Larry B.

Call AVS Accounting Today to Schedule an Appointment

Contact me today to set up a consultation to discuss the accounting and bookkeeping services you require. I would be more than happy to have you as one of my many customers.

For professional bookkeeping and accounting services, call (760) 617-8602.