⚙ Free Tool for Business Owners

How does the OBBBA
change your taxes?

The One Big Beautiful Bill Act (OBBBA) made some major business tax provisions permanent, and added a few new wrinkles. Run our 2-minute calculator to see exactly which provisions affect you and how much you could save.

⏱ Takes 2 minutes 📬 No email needed for your headline number 💸 Free
Run the Calculator ↓
SAMPLE 2026 SAVINGS
$0
based on a sample S-corp at $400k revenue
$3.4T

in tax cuts and changes signed into law on July 4, 2025.

12+

provisions that directly affect S-corps, LLCs, and sole props.

2026

is when most rules kick in. Plan now or pay later.

The OBBBA Tax Impact Calculator

See your potential 2026 tax savings in 2 minutes.

Answer a few quick questions about your business and we'll show you your estimated savings instantly. Drop your email to unlock the full provision-by-provision breakdown and your personalized action list.

  • QBI deduction (Section 199A) — now permanent
  • 100% bonus depreciation — restored for 2026
  • SALT cap relief — from $10K → $40K
  • R&D expensing — made permanent
  • Plus tips, overtime, and car loan interest if you have employees

The Calculator

Tell us about your business.

All inputs stay in your browser. Nothing is sent until you submit.

$

Total before any expenses.

$

After expenses, before owner pay.

$

What you pay yourself as salary.

$

Anything you'd Section 179 or bonus-depreciate.

$

OBBBA restored immediate deduction. Big deal if you have any.

$

For service industry. Up to $25k now deductible.

Why TaxStache

Built by tax pros.
Written for humans.

The Business Edition exists because we kept watching small business owners overpay, not because they were careless, but because nobody ever explained the strategy in plain English. Generic "tax tips" articles aren't enough. You need real, specific guidance for how your business actually works.

So we built it. Every issue is researched and reviewed by credentialed tax pros, written in a voice that doesn't put you to sleep, and designed around the way business owners actually think about money — quarterly cycles, deduction stacking, audit avoidance, year-end moves.

Earn it. Keep it.

Two minutes, real dollar estimates for your situation. We'll send your personalized OBBBA breakdown to your inbox along with a free subscription to The Business Edition.

Smart tax hacks with zero boring vibes 👇

We’re TaxStache — the loud, colourful antidote to boring tax talk. We cut through the jargon with a wink, a laugh, and the occasional bad moustache pun. We’re here to make you smarter, richer, and maybe even laugh along the way.