About Us;

Administrative Office Services provides bookkeeping, QuickBooks consulting, Payroll & Payroll tax Returns, Small Office Management, Web-Site Maintenance & Notary Services.  

We cater to small businesses & individuals, Construction/Contractors, Consulants, on-line companies, Home Based Businesses and many more. 

AOS has been in business for 14 years servicing Los Angeles and Orange Counties. 

Certified QuickBooks Pro Advisor & Mobile Notary. 

At AOS we work collectively to find the right person for the job. Utilizing our individual skills in a group setting is what we do best. This allows us to function effectively as a team, helping you to reach your goals.

We know the importance of the security of data provided by clients and take precautions to protect it. 

We welcome the opportunity to discuss your small business needs.