Sieyant

Insights

Tax strategy, accounting,
and advisory insights.

July 22, 2026

How to Fill Out Your W-4 and California DE-4 (2026 Guide)

A step-by-step walkthrough of the federal W-4 and California DE-4 — and why getting them right prevents a surprise tax bill or a wasted refund.

July 21, 2026

W2 + Side Hustle? Here's Why Your Withholding Is Probably Wrong

Holding a W-2 job while running a side hustle throws off your tax withholding in ways most people don't catch until they owe money in April.

Tax Strategy

July 21, 2026

When Does Your Side Hustle Actually Need to Become an LLC — or an S-Corp?

Most “you should incorporate” advice is either too early or too vague. Here's the actual framework — and the deadline that costs people real money.

July 16, 2026

Understanding the QBI Deduction for S-Corp Owners

A quick guide to how the Section 199A qualified business income deduction affects S-corp shareholders.

Tax Law Updates

July 13, 2026

6 New Tax Deductions in 2026 (And Why Most People Haven't Adjusted for Them Yet)

Tips, overtime, a bigger SALT cap, a senior bonus, car loan interest, and a larger Child Tax Credit — six new deductions almost nobody has adjusted their withholding for yet.

Tax Strategy

July 13, 2026

LLC → S-Corp vs. Corporation → S-Corp: Do You Actually Need to Convert Your Entity?

S-corp is a tax election, not a legal entity. Here's exactly what changes — and what doesn't — depending on whether you're starting from an LLC or a corporation.

California Tax

July 13, 2026

Why Is My S-Corp Costing More Than $800 in California?

The $800 is a real number, but it's annual, not monthly — and it's rarely the whole bill. Here's exactly what a California S-corp actually costs, and why.