Business mail
Advanced Computer Services LLC
9169 W State St #3388
Garden City, ID 83714
Use this address for business correspondence.
About ACS
Experience behind the software.
ACS began as an accounting firm and later transitioned into accounting software. That practical foundation continues in our Utility Billing software for small cities.
Built on practical experience.
Our story started with the work of an accounting firm. Over time, ACS transitioned into developing accounting software, carrying that practical experience into the applications we build and support.
When you talk with ACS, bring the details: your services, your billing routines and the questions your office handles. That is where a useful software conversation begins.
ACS mailing addresses
Customer checks payable to ACS
Advanced Computer Services LLC
PO Box 3100
Merrifield, VA 22119-3100
For ACS customers mailing checks to Advanced Computer Services LLC for ACS software or services.
Residents paying a utility bill: Do not mail utility-bill payments to either ACS address. Pay your city, water district or utility using the payment instructions on your bill. Contact your utility directly with payment questions.
Software, setup and support.
We offer software modification services and support. Contact us to discuss the scope and terms that fit your organization.