Sidell & Company, PLLC is an accounting and tax firm based in Goodyear, Arizona, serving individuals, small businesses, and mid-sized businesses in the Metro Phoenix market. The firm describes itself as a full-service CPA and consulting services firm focused on accounting, tax, and financial management needs.

Its work includes monthly accounting and bookkeeping, preparation or review of corporate and individual tax returns, estate tax return preparation, and interim or part-time Controller/CFO services. Sidell & Company notes that it tailors financial solutions to client needs, with services available across industries.