The Small Business Tax Deduction Checklist
80+ deductions. 9 categories. The 8 write-offs business owners miss most often. All in one place.
Most business owners go through the year working hard, paying expenses, and investing in their business, only to discover later they missed deductions they could have claimed. Small misses add up. A few overlooked categories can quietly cost you thousands.
This isn’t a generic list pulled together in an afternoon. It’s the same framework we use with our own clients, organized so you can stop guessing, start tracking what counts, and keep more of what you earn.
Get the Checklist
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- Instant download, no waiting
- Built for small business owners
- Use it year-round, not just at tax time
Why this matters
Missing deductions is not just a paperwork problem. It is a money problem. When expenses are not tracked, categorized, or remembered properly, that means paying more tax than you owe and carrying stress you do not need.
You are already spending the money
If you are putting money into your business but not tracking it well, you are not getting credit for what you have already paid for.
Tax season feels heavier than it should
Scrambling to remember what counts and what was paid creates pressure. Better visibility now means a smoother experience later.
Small misses add up fast
One forgotten category may not seem huge, but several missed areas across a year can quietly cost you thousands.
What’s inside the checklist
More than a simple list. A complete reference covering every category, the most commonly missed write-offs, audit red flags, and key deadlines.
Insider Tax Strategies Most Owners Never Hear About
The high-value content that turns this from a checklist into a real reference. Built from the patterns we see across hundreds of small business returns.
- The 8 most commonly missed deductions
- IRS audit red flags to avoid
- Record retention requirements
- 2026 quarterly tax deadlines
- Section 179 immediate write-off tips
- Section 199A (QBI) deduction guidance
Operations & Team
Everything tied to running your business and supporting your people.
- Employee wages, payroll taxes, processing fees
- Health insurance and retirement contributions
- Contract labor and 1099 contractors
- Continuing education and professional dues
- Workers compensation and liability insurance
Business Spending
The day-to-day operating costs that keep your business running.
- Office supplies, furniture, equipment
- Rent, utilities, internet, phone
- Software subscriptions and SaaS tools
- Marketing, website, online ads, sponsorships
- Cleaning, postage, shipping, inventory
Travel, Vehicle & Home Office
Categories where the right tracking can save thousands.
- Vehicle mileage or actual auto expenses
- Business travel, lodging, meals
- Home office (rent, utilities, depreciation)
- Computers, cameras, business equipment
- Conference and trade show fees
Professional & Financial
The fees and services most owners forget to write off.
- Legal, accounting, consulting fees
- Bookkeeping and virtual assistant services
- Bank fees, transaction fees (Stripe, Square, PayPal)
- Interest on business loans and credit lines
- Bad debt write-offs
Built by AdminBooks
We are a bookkeeping and tax strategy team helping small business owners keep cleaner books, file with confidence, and stop leaving money on the table.
We put this checklist together because the same deductions get missed over and over again. If you want to go further than the checklist, we offer a few ways to work together depending on what your business needs right now.
How we help
Bookkeeping → Monthly books done right so you always know where you stand. Tax Preparation & Strategy → Filing done right, with a strategy to keep more of what you earn. Profit Leak Check → A closer look at where money may be slipping through your books. Free Webinars → Live and on-demand sessions on bookkeeping, taxes, and running a smarter business.Ready to take the next step?
The checklist is a great place to start. If you want to go further, here are two ways to do it.
Schedule a Free Discovery Call
Just a relaxed, real conversation about your business, your needs, and if we are the right fit. If we aren’t, we will point you in the right direction.
Book Your 30 Min Call →Run a Profit Leak Check
A closer look at where money may already be slipping through the cracks in your books. Best for owners who want to dig into the numbers first.
Learn More →