How the 2025 Tax Overhaul Could Reshape Business Strategy

In July 2025, Congress passed and the President signed into law a sweeping tax and spending package known as the One Big Beautiful Bill (Public Law 119-21). (IRS) While many headlines focus on how individuals and households are affected, the changes carry significant implications for businesses of all sizes — from startups and small firms to more mature enterprises.

In this post, we’ll walk through the major provisions that impact business planning, and explore potential risks, opportunities, and strategic adjustments business owners should consider.

Key Business-Relevant Changes in the OBBB

Here are several of the major provisions in the new tax law that are most likely to affect businesses directly (or indirectly via owners, pass-through entities, or investment behavior).

Provision	What Changed	Why It Matters to Businesses
Permanent full expensing / bonus depreciation	The bill makes 100 % bonus depreciation (i.e. immediate expensing of qualified property) permanent for qualified assets placed in service after January 19, 2025. (Bipartisan Policy Center)	Encourages capital investment. Businesses may accelerate equipment purchases, upgrades, or replacements, knowing they can deduct the full cost immediately rather than over time. This improves return on investment and cash flow planning.
R&D expensing reinstated	The Act restores full expensing for domestic research & development (R&D) expenditures (removing prior requirement to amortize over multiple years), retroactive to January 1, 2025. (Bipartisan Policy Center)	This is especially meaningful for tech, biotech, and innovation-driven firms. It reduces the tax drag on R&D investments and may encourage more experimentation and development.
Enhanced pass-through / QBI deduction	The bill increases the Qualified Business Income (QBI) deduction for pass-through businesses from 20 % to 23 %, effective for tax years starting after December 31, 2025. (RSM US)	This boosts after-tax return for many LLCs, S corporations, partnerships, and sole proprietorships. It particularly benefits lower- and mid-income business owners, though the deduction’s value phases out at higher income levels.
Extension of favorable individual tax rates	The 2025 bill makes permanent the lower individual income tax rates set under the 2017 Tax Cuts and Jobs Act (TCJA), which had otherwise been scheduled to expire. (Bipartisan Policy Center)	Many small businesses are taxed on pass-through income at the individual level. Permanent lower rates provide stability and predictability for business owners’ personal tax planning.
Increased SALT deduction cap	The state and local tax (SALT) deduction cap is temporarily raised from $10,000 to $40,000 (through 2029) for taxpayers with incomes up to $500,000 (phasing out afterward). (TurboTax)	For businesses in high-tax states, particularly both owners and employees, it may ease the tax burden and reduce incentive to relocate or restructure operations for tax reasons.
Repeal / rollback of certain energy incentives	The Act phases out or limits many federal credits for electric vehicles, energy efficiency, and charging infrastructure beginning in 2025. (TurboTax)	Companies investing in “green” infrastructure or EV fleets may see reduced tax benefits. Projects planned under previous incentives may need cost re-evaluation or faster timelines.
Limits on executive compensation deductions	Beginning in tax years after December 31, 2026, public corporations (and their affiliated groups) will face stricter nondeductibility of compensation in excess of $1 million paid to top executives, and the rules expand group attribution. (Congress.gov)	This increases the after-tax cost of generous executive pay packages, bonuses, or deferred compensation structures. Boards and CFOs will need to revisit executive compensation design.
Other employer/benefit changes	The bill makes some credits or benefits permanent (e.g. the paid leave credit under FMLA, employer childcare credits in future years) and changes some fringe benefit treatments. (Congress.gov)	Employee benefits strategies—childcare support, leave policies, fringe benefits—may become more tax-efficient under the new framework or can be adjusted to optimize benefit.

Beyond these, the law includes many more smaller changes, exceptions, and technical adjustments. (BakerHostetler) For instance, other provisions affect itemized deductions, alternative minimum tax thresholds, inflation indexing, estate and gift taxes, and more.

Potential Impacts on Businesses & Strategic Considerations

1. Accelerated Capital Deployment

With permanent full expensing and favorable treatment for R&D, businesses may be more aggressive in capital investments. Firms could:

• Advance planned purchases of machinery, equipment, software, or infrastructure.
• Reassess depreciation planning and CAPEX budgeting.
• Optimize timing of investments (e.g. shifting some expenses into earlier years to maximize deductions).

However, aggressive depreciation strategies may attract IRS scrutiny, so ensuring proper documentation, basis tracking, and compliance will be critical.

2. Better After-Tax Returns for Pass-Through Entities

Owners of pass-through entities (LLCs, S corps, partnerships) stand to benefit from the increased QBI deduction and stable individual rates. This enhances the after-tax return on business profits, improving cash available for reinvestment or distributions.

It could also influence decisions on entity structure — businesses may reassess whether to remain pass-through or consider alternative structures, balancing tax benefits with governance, liability, and growth plans.

3. Tightening Executive Compensation and Benefit Design

The stricter deduction limits on executive compensation may discourage over-the-top bonus plans and push boards to link pay more tightly to performance or employ alternative incentive vehicles (e.g. stock-based compensation, phantom equity, or deferred compensation strategies). Companies will need to run new projections and models under the changed rules.

Additionally, as fringe benefit rules and credits evolve, companies should re-optimize their benefits offerings (childcare support, leave programs, etc.) to ensure tax efficiency and competitiveness in attracting talent.

4. Recalibration of Renewable & Green Investments

Firms with investments in EV fleets, charging stations, energy-efficient upgrades, or green construction may find that prior tax incentives become less generous or phased out. Those projects may need to be accelerated before changes take effect or restructured to maintain favorable economics.

5. Effect on High-Tax States and Location Decisions

With the SALT deduction cap easing (temporarily), pressure on firms and owners in states with high property, income, or sales taxes is somewhat mitigated. This could reduce incentives to relocate or reorganize operations strictly for tax relief—though over time, phaseouts or income thresholds may limit benefit for higher-income owners.

6. Increased Volatility & Compliance Risk

Whenever a sweeping law like this is passed, the IRS and Treasury must issue regulations, interpret ambiguous sections, and deal with transitional rules. Businesses face:

• Uncertainty during the regulatory and guidance rollout.
• Potential for retroactive interpretations or compliance “gotchas.”
• Need for revisiting multi-year planning, tax projections, and cash flow modeling under new assumptions.

More aggressive positions (e.g., lean depreciation, ambiguous expenditures) may carry higher audit risk, especially in the early years.

7. Macro & Financing Effects

Beyond individual business impacts, broader economic and financial side-effects matter:

• The tax cuts — especially if paired with increased spending — will likely widen budget deficits. (Tax Foundation)
• Higher deficits may pressure interest rates upward, increasing borrowing costs.
• Capital markets and investor expectations may shift, affecting valuations, cost of capital, and willingness to invest in expansion.
• Changes in consumer demand (via lower or higher disposable incomes) could indirectly affect revenue growth for many sectors.

Recommendations for Business Leaders & CFOs

1. Reassess your capital plans
   Revisit your long-range capital expenditure (CapEx) plans in light of permanent expensing. It may make sense to accelerate or expand investments you had deferred.
2. Model multiple tax scenarios
   Create pro forma projections under old vs. new rules, including sensitivity to interest rates, revenue growth, and evolving guidance. Stress test for compliance risk.
3. Reevaluate entity structure
   For businesses considering conversion between pass-through and C corporation status (or vice versa), re-run the analysis under the updated deduction rules, owner tax rates, and trade-offs.
4. Revise compensation strategies
   Work with legal and compensation advisors to redesign executive and incentive pay packages to maximize after-tax value while staying within deductibility limits.
5. Prioritize energy & green projects
   If your business was planning an EV, energy-efficiency, or infrastructure upgrade, assess whether to accelerate or redesign those projects to capture expiring incentives.
6. Watch IRS guidance and regulation
   Stay on top of Treasury and IRS notices, regs, and transitional rules. In many cases, how a provision is implemented in regulation determines its practical impact more than the headline statute.
7. Coordinate with finance, legal, and tax advisors early
   These sweeping changes will require coordination across departments. Tax planning, legal compliance, and financial forecasting must align to avoid surprises.

Final Thoughts

The One Big Beautiful Bill marks one of the most consequential tax overhauls in decades, especially for business and investment decisions. For many firms, the changes create new incentives to invest, innovate, and sharpen strategy. But with opportunity comes complexity and risk. The transitional period (2025–2027) will be critical as guidance emerges and interpretations settle.

At Marcas Capital, we believe that businesses who proactively recalibrate their strategies—rather than react passively—will gain advantage in this new tax environment. If you’d like help running comparative tax impact models, redesigning your CapEx strategy, or stress-testing your business under multiple tax regimes, we’d be glad to partner with you.