OnPoint Business Tax & Accounting

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Year-End Tax Checklist for Business Owners

The moves you make between now and December 31 shape what you owe in April. Get the checklist NYC and NJ business owners use to close the year right.

  • Nine year-end moves every business should consider
  • Entity-by-entity guidance: sole props, LLCs, S-corps, C-corps, partnerships
  • Key dates: December 31, January 15, March 15, April 15
  • The document checklist to have ready before you file

Prepared by Milla Liberson, EA, MBA — 20+ years in business taxation

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Delivered instantly as a PDF, plus a short email series with year-end deadlines and moves. Unsubscribe anytime.

What's inside the checklist

Nine moves every business should make before December 31 — from reconciling books to retirement contributions

Entity-by-entity moves for sole props, LLCs, S-corps, C-corps, and partnerships

Key year-end and filing dates, including the March 15 S-corp and partnership deadline

The document checklist to gather before you sit down to file

Five costly mistakes to avoid — the ones we see New York and New Jersey owners make most

Why business owners trust OnPoint

“OnPoint found deductions our previous accountant missed three years running. Year-end planning alone paid for itself.”

Dental practice owner, Manhattan

  • Flat-fee pricing quoted before we start
  • 100% in-house — never outsourced
  • 20+ years' experience in business taxation

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