Current Clients

Log into your client portal for access to your critical documents.

Payroll Portal

Log in to access employee paystubs and year-end W-2s safely and securely.

Scan & Send

Safely send files, documents, and information to your accountant or AZ expert.

Technology Portal

Enter our Technology Services Payment Portal to access billing information.

Are You A New Client? Register for Your Secure Portal Here.

Make a Payment


Swift codes:

Incoming wire in US dollars: FRIRUS55

Incoming wire in foreign currency: IRVTUS3N


Please make check out to “Anderson ZurMuehlen & Co”

Mail check to:

Anderson ZurMuehlen & Co

PO Box 20435

Billings, MT 59104-0435

Pay Online

Enter your Client # in the Reference Box.

Invoice Box will be your Invoice #.

Please note that there is a 1.95% fee that applies to all transactions.

Welcome to Our Redesigned, Rebranded WebsiteOut With the Old, In With the New

We've redesigned our website with you in mind. If you have any challenges finding information, please reach out to us through our contact form. We're happy to assist and look forward to creating more content, just for you!