Dennis Duskin & Assoc., Inc. is a full-service accounting firm based in Simi Valley, CA, serving individuals and small businesses in Southern California. The firm’s work spans everyday accounting needs as well as tax-focused support for clients who need help organizing records, preparing returns, or responding to IRS matters.

Its listed services include individual and business tax preparation, bookkeeping, payroll, sales tax, tax planning, accounting services, new business formation, and IRS notice and audit help. The firm also provides online resources such as tax forms, financial calculators, tax tips, news, and financial guides to support tax and financial decision-making.

The site notes Enrolled Agent association memberships and describes services for both individuals and small businesses.