Harper Tax CPA

Arizona LLC vs S-Corp: Tax Differences for Business Owners
2026-05-09 07:38 Compare Arizona LLC and S-corporation tax treatment, including self-employment tax, reasonable compensation, Arizona Form 120S, PTET, payroll, and when an S-corp may not be worth it.
Arizona Resident with California S-Corp Income: What Taxes Apply?
2026-05-09 07:32 Arizona residents with California-source S-corporation income may have Arizona tax, California Form 100S, California K-1 sourcing, Form 540NR filing, PTET, wage sourcing, and withholding issues.
Arizona S-Corporation Extension & Payment: Quick Guide (Form 7004 + AZ 120S)
2026-02-23 06:10 Need more time to file your Arizona S-corp return? File IRS Form 7004 to extend the federal 1120-S, and use Arizona Form 120/165EXT (or a valid federal extension) to extend Arizona Form 120S. Extensio...
Arizona Consultants: S-Corp Tax Planning, Accounting, and Compliance Pitfalls
2025-12-19 10:45 A practical guide for Arizona consultants on clean bookkeeping, contractor vs. employee risk signals, S-corp payroll/reasonable comp, Arizona’s PTE election, and TPT licensing pitfalls.