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Tax Planning

Everything About Tax Planning

166 articles
Strategic tax planning to minimize liability and maximize savings

Form 1120-W and C Corporation Estimated Taxes: The Complete 2026 Guide

Form 1120-W was retired after 2022, but C corporations expecting to owe more than $500 in federal tax must still make quarterly estimated payments. This guide covers the 2026 due dates, the 21% rate calculation, the two safe harbors, the $1 million large-corporation trap, the annualized income installment method, and the EFTPS-only payment requirement.

What Is the LLC Tax Rate? A Complete Guide to How LLCs Are Actually Taxed

An LLC has no federal tax classification of its own — it borrows the rules of a sole proprietorship, partnership, S corporation, or C corporation. This 2026 guide breaks down every regime, the actual rates that apply, the income thresholds where the S-corp election starts paying off, and the state and self-employment tax layers that determine your real effective LLC tax rate.