Send a file safely to our team.

To send a file secure to our team, please visit the About page, choose the individual that you would like to send to. Once in the bio, choose Send a Secure File. 

Speak with our team now.

A&O is happy to answer any questions you may have about our services. You can call us any time Monday – Friday between 8:00 am CST and 5:00 pm CST. We look forward to speaking with you.

Securely pay a bill online.

A&O is happy to provide electronic payments solutions using CPA Charge. CPA charge is PCI compliant, which means you can easily and securely pay your bill online.

Contact our team.

Fill out the form below and we’ll get back to you as soon as possible. Or, if you know the individual you’d like to reach, you can always find individual email contacts on our About Us page.

If you have questions about pricing, please contact us by phone. This allows us to get a better understanding of what services are needed.


We are currently observing summer hours:

Monday – Thursday 8am – 5pm

Friday 8am – Noon

Our office is open to clients Monday 8am – 5pm, all other days are by appointment only.

Address & Directions:

  • 10411 Corporate Dr. Suite 104, Pleasant Prairie, WI 53158

Located east of I-94; exit Highway 165.  

A&O Certified Public Accountants

A&O is relationship centered, boutique accounting firm providing attentive, continuous accounting services to government and not-for-profit entities.


10411 Corporate Dr. Suite 104
Pleasant Prairie, WI 53158

©2023 Andrea & Orendorff LLP