BBB Accredited Business Profile


(630) 821-5000


29 years in business
4520 Weaver Pkwy
Warrenville, IL 60555-4027
Fax Numbers
  • (630) 393-7400
Additional Phone Numbers
  • (800) 679-4871
Additional Email Addresses
Additional Website Addresses
BBB File Opened: 07/24/1992
Business Started: 05/01/1989
Business Started Locally: 05/01/1989
Business Incorporated: 11/22/2017 in MN
Type of Entity
Business Management
  • Ms. Jo-El Grossman, Manager of Communications
  • Ms. Stephanie Monsees, Senior Director
  • Mr. Jan Netzdorff, President
  • Ms. Katy Perkins, Manager of Customer Care
  • Ms. Alicia Ross, Marketing Manager
  • Ms. Barb VanSomeren, Vice President of Marketing

Contact Information
  • Principal: Mr. Mike Dittmann, President
Business Category
  • Hearing Aid Parts
  • Wholesalers and Distributors
  • Hearing Assistive Devices
  • Medical Equipment

Products & Services
Hearing Aids, Hearing Solutions, Hearing Aids & Accessories
Service Area
We service the following area(s): Alabama, Alaska, American Samoa, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Guam, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virgin Islands, Virginia, Washington, West Virginia, Wisconsin, Wyoming
Alternate Business Names
  • Sonova USA Inc.
BBB accredited business



Phonak, LLC, is a wholesale manufacturer and distributor of hearing instruments and related accessories. This company does not sell its products directly to end users, but instead sells such products to licensed hearing health professionals for subsequent resale by hearing health professionals around the world.

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BBB Reason for Ratings

BBB rating is based on 13 factors: Get the details about the factors considered.

M: 8:00 AM-5:00 PM
T: 8:00 AM-5:00 PM
W: 8:00 AM-5:00 PM
Th: 8:00 AM-5:00 PM
F: 8:00 AM-5:00 PM
S: Closed
Su: Closed
H: Closed

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BBB reports on known significant government actions involving the business's marketplace conduct.
BBB reports on a company that is out of business for one year from the date the company closes its doors or ceases to do business.
BBB reports on unauthorized use of the Better Business Bureau's name and/or logo for as long as the business continues to use it in any advertising, or for one year after the business ceases any repeated unauthorized uses.
BBB reports on a business’s bankruptcy as long as the business remains in bankruptcy.
BBB reports when mail sent to the business was returned by the Postal Service.




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