A Practical Guide to Asset and Revenue Optimization
Maximizing small business tax deductions requires moving beyond year-end receipt gathering and toward deliberate, year-round planning. Under current IRS rules, profitable businesses should coordinate first-year write-offs, bonus depreciation, and operational cost classifications to reduce their net tax liability — and do so in a way that is well-documented and audit-ready.
Capital Investments: Maximizing Depreciation and Section 179
One of the most powerful tools available to business owners is Section 179 of the Internal Revenue Code, which allows you to immediately expense the full purchase price of qualifying property in the year it is placed in service — bypassing traditional multi-year depreciation schedules.
For the 2026 tax year, the current limits are:
| Provision | Limit |
|---|---|
| Maximum Section 179 Deduction | $2,560,000 |
| Phase-Out Threshold | $4,090,000 |
| Bonus Depreciation (post-Jan. 19, 2025) | 100% First-Year Deduction |
| Qualified Property Useful Life | 20 Years or Less |
Note: The 2025 limits were slightly lower — $2,500,000 deduction cap and $4,000,000 phase-out threshold.
Section 179 applies to tangible personal property, off-the-shelf software, and qualifying interior improvements to non-residential buildings.
A Critical Note on Bonus Depreciation
The 100% bonus depreciation rate is available for qualifying property, but its history matters for your planning. Under the Tax Cuts and Jobs Act (TCJA), bonus depreciation was scheduled to phase down each year: 80% in 2023, 60% in 2024, 40% in 2025, and 20% in 2026. The One Big Beautiful Bill Act (signed July 4, 2025) permanently reversed this phase-down and restored 100% bonus depreciation retroactively for property acquired and placed in service after January 19, 2025.
If you placed property in service before January 20, 2025, the older phase-down rates apply. An advisor can help you identify which acquisition date rules govern your specific assets.
Important limitation: Section 179 cannot create or increase a net operating loss (NOL). If your Section 179 deduction would exceed your business’s taxable income, the excess carries forward to future years. Bonus depreciation does not carry this restriction. A qualified tax advisor will sequence these two deductions strategically against your income to avoid unused carryforwards.
Operating Costs: Turning Everyday Expenses into Defensible Deductions
Beyond capital investments, ordinary and necessary business expenses are fully deductible and form the backbone of most small business tax strategies. The IRS requires that expenses be both ordinary (common in your industry) and necessary (appropriate for your business) to qualify.
Key deductible categories include:
Marketing and Advertising All reasonable expenses for digital marketing, customer acquisition, brand development, and advertising are deductible against gross revenue. This includes ad spend, agency fees, website costs, and marketing software.
Travel and Transportation Business travel, fleet operations, and documented employee transportation are deductible. For mixed-use vehicles, the IRS requires contemporaneous mileage logs — a log filled in after the fact is not sufficient and is a common audit trigger. Keep records current.
Professional Services Fees paid to attorneys, accountants, bookkeepers, and business consultants are deductible in the year billed. This includes tax preparation fees and advisory retainers directly related to your business.
Proper categorization and documentation of these costs is not just about maximizing deductions — it also protects you in the event of an audit.
Income Filtering: The QBI Deduction (Section 199A)
For owners of pass-through entities — sole proprietorships, partnerships, S-corporations, and certain LLCs — Section 199A allows a deduction of up to 20% of qualified business income (QBI) directly from taxable income. This is one of the most significant tax benefits available to small business owners.
However, there are meaningful limitations:
- Income thresholds: Higher-income taxpayers face phase-in restrictions that begin above certain taxable income levels.
- Specified Service Trades or Businesses (SSTBs): Businesses in fields like law, health, consulting, and financial services face additional restrictions. Above the income threshold, the QBI deduction phases out entirely for SSTBs.
- W-2 wage and property limits: For businesses above the income thresholds, the deduction is capped based on W-2 wages paid and the unadjusted basis of qualified property — which means compensation structure and asset investment directly affect how much of the deduction you can capture.
If your business is approaching these thresholds, planning your entity structure, compensation model, and asset deployment throughout the year — rather than at year-end — can preserve access to this deduction.
Note: The One Big Beautiful Bill Act made Section 199A permanent, removing the prior 2025 sunset date.
What Pass-Through Taxation Means for Your Return
Unlike C-corporations, pass-through entities do not pay income tax at the entity level. Profits and losses flow directly to the owner’s personal return. This means all deductions discussed above — Section 179, bonus depreciation, operating expenses, and the QBI deduction — ultimately reduce the owner’s individual taxable income, not a separate corporate tax bill.
This structure creates both opportunity and complexity. Decisions about entity type, compensation, and asset timing all have direct personal tax consequences, which is why year-round planning outperforms reactive year-end filing.
Selecting an Advisory Firm
Because tax law changes frequently — as the One Big Beautiful Bill Act demonstrated in 2025 — working with an advisor who tracks legislative developments in real time is genuinely valuable. Look for a firm that offers proactive planning throughout the year, not just filing support at year-end. The questions to ask a prospective advisor:
- How do you stay current on tax law changes mid-year?
- Will you flag planning opportunities before year-end, or only after?
- Do you have experience with businesses at my revenue level and entity type?
At TYS Advisors, our team brings over 60 years of collective accounting experience serving mid-market businesses and high-net-worth families in Rochester, NY and beyond. We provide proactive, year-round tax planning designed to keep you ahead of changing rules rather than reacting to them.
Frequently Asked Questions
What marketing or advertising deductions are available? All reasonable expenses for digital marketing, advertising, public relations, and brand development are fully deductible as ordinary business expenses under IRC §162, provided they are directly connected to maintaining or growing your business.
What qualifies as a professional services deduction? Legal counsel, certified accounting, bookkeeping, and business advisory fees that are ordinary and necessary for your business are deductible in the year paid or accrued, depending on your accounting method.
How do Section 179 and bonus depreciation work together? You apply Section 179 first, up to the deduction limit and your business’s taxable income. Bonus depreciation can then cover remaining qualifying asset costs — including amounts that exceed the Section 179 cap or your taxable income limit, since bonus depreciation can produce a net operating loss.
Is the pass-through deduction available to all business owners? The 20% QBI deduction is available to eligible pass-through business owners, but it is subject to income phase-ins, W-2 wage tests, and SSTB restrictions depending on your situation. The deduction is now permanent following the One Big Beautiful Bill Act. Consult a tax advisor to determine how much of this deduction you can capture.
What changed with the One Big Beautiful Bill Act (2025)? The OBBBA, signed July 4, 2025, made several TCJA provisions permanent, including the 100% bonus depreciation rate (for property acquired after January 19, 2025) and the Section 199A QBI deduction. It also increased the Section 179 limits, which are further adjusted for inflation each year.
Contact the senior advisory team at TYS Advisors in Rochester, NY to discuss how a proactive tax strategy applies to your specific situation.