• Welcome to the Oregon Area Chamber of Commerce, in the Village of Oregon, WI. 

    We support both the economic and local community to ensure Oregon is a great place to live, work, and play through these core service areas:

    Promote • Inform • Connect • Advocate
  • Avallon of Oregon

    • Tax Preparation
    990 Janesville St
    Oregon, WI 53575
    M-F 9:00am to 7:00pm
    Sat 9:00am to 1:00pm
    or Call for Appointment
    • About

      As part of the Avallon & Associates family, we are a full-service Accounting firm licensed in WI. We offer a broad range of services for local business owners, executives, families and independent professionals all across southern Wisconsin. We are affordable, experienced, and hometown friendly.

      Tax Planning and Preparation is the key to successfully and legally reducing tax liabilities. We go beyond tax compliance and proactively recommend tax saving strategies to maximize each client's after-tax income.

      Our goal is to better the lives of our client's and add value to Oregon and our neighboring communities with excellent support and service.

    • Whom to Contact

      • Mark Brandenburg
        990 Janesville St
        Oregon, WI 53575
        Phone: (608) 291-2112
        Fax: (888) 285-2176
    • Directions

      From the South Beltline/Park Street exit, continue onto US-14 E 8.5 miles, take exit toward Oregon, merge onto Janesville St 0.1 miles, destination is on left (look for Cousins Subs).

    • Upcoming Events