One Big Beautiful Bill Act 2025: Tax Changes Every Founder Needs to Know

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Tax laws are made or modified by different countries to meet current economic realities. That is one of the reasons for the One Big Beautiful Bill Act (OBBB Act 2025) passed by Donald Trump on July 4, 2025.

It rewrites the rules for how startups are funded and how they invest in growth and rewards for founders upon successful exits. This legislation introduces aggressive pro-growth tax incentives that are designed to unleash capital, accelerate domestic innovation, and reward high-risk entrepreneurship.

What the OBBB Act 2025 Means for Founders

The OBBB Act is not for founders only. It contains tax and economic provisions that apply to everyday individuals, families, investors, and various industries.

But founders must know how these changes intersect with entity selection, cash flow management, and multi-jurisdictional tax planning. A founder could be bootstrapping a software company, building capital-intensive robotics, or managing a Delaware C-corporation from London or Lagos; the OBBB Act demands immediate attention. Leveraging tax-compliant accounting platforms like Zoho Books’ cloud finance software helps distributed teams stay aligned on state and international tax mandates automatically.

While startup founders and angel investors benefit heavily from its reform of Qualified Small Business Stock (QSBS) rules, the rest of the bill impacts the general public.

Entrepreneurs and founders can benefit from the OBBB Act 2025 in the following ways:

The Qualified Small Business Stock (QSBS)

This is the crown jewel of OBBB Act. This legislation brings stronger benefits to the single most valuable provision in the U.S. tax code for venture-backed founders and early employers, contained in Section 1202, commonly known as the Qualified Small Business Stock (QSBS) exclusion.

Historically, QSBS has allowed founders and early investors in qualifying C-Corporations to exclude up to $10 million (or 10 times their cost basis, whichever is greater) of capital gains from federal taxation upon the sale of their stock, provided they held the shares for at least five years. Maintaining accurate records of capital contributions and corporate assets through Zoho’s automated accounting platform is essential to proving QSBS eligibility to the IRS during an audit.

Increased Gain Exclusion Limits

This could easily pass as the most important change that this act is bringing, which entails the expansion of the exclusion cap. Under the new rules, the maximum exclusion on gains from qualifying stock has been increased to the greater of $15 million or 10 times the taxpayer’s cost basis (up from the prior $10 million or 10 times the basis).

For a founder who was issued highly appreciated founder shares at inception (often with a near-zero cost basis), this translates to an additional $5 million of entirely tax-free wealth upon exit. Given combined federal and state capital gains rates, this single provision can yield over $1.5 million in pure tax savings in a successful scenario. Keeping a real-time, audit-ready financial ledger via Zoho Books for startup expense tracking ensures that your cost basis and capital expenditures are verified long before secondary sales or acquisitions occur.

Faster Holding Period

QSBS initially had a five-year holding period. Entrepreneurs in these scenarios were forced to either forfeit the tax benefit entirely, engage in complex Section 1045 rollovers, or attempt to structure earn-outs that artificially extended their holding periods.

The OBBB Act resolves this friction by reducing the required holding period for full QSBS benefits from five years to just three years. The Act also introduces a novel phase-in mechanism for partial benefits. This phase-in mechanism is a tiered system that allows investors to exclude a portion of their capital gains from federal taxes, even if they sell their shares before the traditional 5-year holding period.

Founders who have held qualifying stock for less than three years but more than one year may now be eligible for a prorated exclusion. This acknowledges the reality of today’s venture market, in which hyper-growth companies frequently receive acquisition offers before their fifth anniversary. A three-year liquidity event no longer means leaving millions of dollars in tax benefits on the table. Setting up automated reporting with Zoho Finance software allows founders to track holding milestones cleanly so they can escalate their startups and exit as soon as they wish while retaining maximum tax benefits.

Corporate Gross Asset Test 

Previously, a corporation’s gross assets could not exceed $50 million at any time before and immediately following the issuance. Once a startup raises enough venture capital to push its total historic gross assets (cash plus adjusted basis of other assets) over $50 million, any stock issued subsequently (e.g., in a Series B or Series C round) could not qualify for QSBS. 

With the new legislation, the gross asset test threshold increases from $50 million to $75 million. This means that companies or startups in their growth stage remain eligible to issue QSBS to investors and later-stage employees far deeper into their lifecycle. 

Also on Founders Wire: Scaling a high-growth startup requires disciplined operational execution alongside tax strategy. Read Christopher Nolan’s Project Management Lessons Founders Can Actually Use.

Accelerating Growth: Permanent 100% Bonus Depreciation 

For startups that build physical products, deploy hardware, or require significant infrastructure, capital expenditures can be a massive drain on early cash flow. The previous tax code required these businesses to capitalize the cost of equipment and property, deducting the expense incrementally over several years through complex depreciation schedules like MACRS. While the Tax Cuts and Jobs Act of 2017 temporarily introduced 100% bonus depreciation, that benefit was scheduled to phase out, dropping to 80% in 2023, 60% in 2024, and so on. 

The OBBB Act ends this phase-out, instituting a permanent 100% bonus depreciation provision. Businesses can now fully deduct the cost of qualifying equipment, machinery, and tangible property in the exact year it is purchased and placed into service. 

For instance, a robotics startup that needs to purchase $2 million worth of specialized manufacturing equipment. Instead of recognizing that $2 million expense over a five- or seven-year period—meaning they would pay higher taxes under today’s law while waiting years to realize the full deduction—the founder can deduct the entire $2 million against their current-year revenue. By instantly reducing taxable income, these obbba tax changes founders leverage help preserve vital cash in the company’s treasury.

This phenomenon makes it more affordable for founders to invest heavily in the servers, lab tools, vehicle fleets, or infrastructure their business desperately needs to scale quickly and aggressively.

Implication for Non-U.S. Founders

A local Nigerian Limited Company, a UK Ltd, or a Canadian corporation cannot issue Section 1202 QSBS, nor do they operate under U.S. R&D rules unless they have a U.S. taxable presence. However, many international founders eventually look to raise capital from U.S.-based venture capital firms.

American venture capitalists often require investing in a Delaware C-corporation. If you are a UK or Canadian founder contemplating a “Delaware Flip” or establishing a U.S. holding company to attract this capital, these specific obbba tax changes founders utilize can benefit you immensely. The enhanced QSBS benefits (the $15 million cap and the reduced three-year holding period) make the Delaware C-Corp structure incredibly attractive—not just for your U.S. investors, but potentially for you too, depending on applicable tax treaties and your future residency plans.

For the U.S. Diaspora

The United States taxes its citizens regardless of where they live. For American entrepreneurs living abroad as part of the U.S. diaspora, understanding obbba tax changes founders face applies directly to your personal and corporate tax reality. Even if you are building your startup out of Europe or Africa, if you are a U.S. citizen operating a U.S. C-corporation, you are fully eligible for the massive $15M QSBS exclusion upon exit.

Similarly, if your international operations include a U.S. subsidiary, the immediate R&D expensing and bonus depreciation rules apply to your U.S.-based costs. U.S. diaspora founders must work meticulously with cross-border tax specialists to ensure their local country tax structures do not inadvertently strip away these phenomenal U.S. tax benefits.

Conclusion

By raising the ceiling on tax-free exits to $15 million, accelerating liquidity timelines, unblocking capital through permanent depreciation, and immediately freeing up cash previously trapped in R&D amortization, the primary obbba tax changes founders monitor significantly reduce systemic risks in the startup journey. Understanding and leveraging these provisions early is now crucial for long-term venture success.