Qualified Small Business Stock Exclusion - Uncle Sam’s Love Letter to Owner-Managed Businesses

How the land of opportunity just doubled down on inbound capital, start-ups and tax tales worth retelling

One of the most noteworthy elements of recent US tax policy is its reimagining of the Qualified Small Business Stock (QSBS) exclusion under Section 1202 of the Internal Revenue Code. With the stroke of a pen—or, more accurately, the passage of the One, Big Beautiful Bill Act (OBBBA) on 04 July 2025—the US has thrown open its doors to entrepreneurial capital. What does this mean for investors and entrepreneurs?

A Brief Retrospective

Section 1202 has long sheltered the intrepid investor in American innovation. For over a decade, the QSBS regime allowed a non-corporate investor in a US C-corporation with under $50m in gross assets to exclude up to 100% of capital gains on shares held for more than five years, subject to a $10m cap. The intention? To turbocharge US growth by incentivising risk in the American private sector.

Enter the OBBBA: A Tax Revolution in Three Acts

The OBBBA delivers a regime both more inclusive and more nuanced:

– Accelerated Tax Benefits: For shares acquired after 04 July 2025, investors can now claim a 50% gain exclusion at three years, 75% at four years and 100% at five years holding. The acceleration of the tax benefits could prove beneficial to entrepreneurial businesses with shorter exit plans

– Bigger, Bolder Caps: The per-issuer gain exclusion limit is raised from $10m to $15m (indexed for inflation from 2027), potentially resulting in tax savings that could exceed $3.5m (not including state tax savings that may be available).

– Broader Company Eligibility: The eligible company size rises to $75m in gross assets, welcoming more growth-stage businesses without diluting standards.

All of this sits atop the familiar requirements: shares must be acquired at “original issuance,” in a US C-corporation, with active business engagement and free from the “sin bin” of excluded industries.

The Inbound Angle: Will American Tax Hospitality Greet Everyone?

For cross-border investors, Section 1202 remains tantalising but challenging. The headline QSBS exclusion is available only to those who are subject to US federal income tax—a club that generally excludes foreign investors, but not those who become US tax residents or who are otherwise drawn into the US net. For the globe-trotting founder or executive, properly planned relocation to the US can, with timing and structure, allow newly issued shares to bathe in QSBS sunshine. Sophisticated planning—such as direct ownership in a qualifying subsidiary upon US entry—can help to unlock these rewards, whilst carelessly executed “Delaware flips” can disqualify otherwise promising shares.

Don’t Miss the Details

These revamped new rules, coupled with sharp documentation requirements and a patchwork of state tax conformity, mean the cost of a misstep—especially on a cross-border deal – could prove costly. Every decision, from entity choice to IP ownership, holding company structure and the timing of a funding round, can spell the difference between a staggering windfall and a regulatory headache.

Opportunity with a Warning Label

One could be forgiven for seeing stars amid such legislative largesse. Yet as with all tantalising offers, the fine print matters. These new rules are a gift to founders and investors alike, but they remain a technical maze best navigated with expertise. For anyone considering a significant investment or exit—especially if cross-border interests are at play—the moment requires consultation.

We have helped numerous entrepreneurial business owners access the benefits of the existing QSBS exclusion and are well-placed to continue to help business owners position themselves to access the increasingly lucrative benefits the revamped regime may bring.