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Corey Moss, CPA - Manager


Williams & Company PC is pleased to announce the admittance of Corey Moss, CPA, as Manager in their full-service certified public accounting firm. Corey was part of the firm in our Onawa office from May 2010 to August 2013 and then worked for another local public accounting firm until 2020. We are happy to have Corey join our team again in the Sioux City office starting this July. Corey, a Sioux City native and graduated from East High. Corey resides in Sioux City with his wife Haley and their twins, Bode & Harper.


  • Income tax planning and preparation

  • Farmers

  • Individuals

  • Small businesses


  • Bachelor of Arts Degree in Business Finance and Accounting from Dordt College

  • Certified Public Accountant

Professional Affiliations

  • American Institute of Certified Public Accountants

  • Iowa Society of Certified Public Accountants

Corey Moss