Qualified Small Business Stock (QSBS) Tax Exemption

When starting a business, advance planning can significantly reduce tax liability when the time comes to sell the company—whether through retirement, acquisition, or other liquidity events. The Qualified Small Business Stock (QSBS) exemption, authorized under Internal Revenue Code Section 1202 and enhanced by recent legislation, allows eligible business owners to exclude substantial capital gains realized upon the sale of their company stock.

For qualifying stock, business owners may exclude up to $15 million in gain above their tax basis when the business is sold, creating powerful long-term tax advantages for founders and early investors.

Key Benefits of the QSBS Exemption

The enhanced QSBS benefits apply only to stock purchased on or after July 4, 2025, and provide several important advantages.

Increased Exclusion Limits
Eligible shareholders may now claim up to:

• $15 million gain exclusion for qualifying stock acquisitions;
• An increase from the prior $10 million exclusion applicable to earlier stock purchases.

Reduced Holding Periods with Partial Benefits
The revised rules allow partial exclusions based on holding duration:

• 50% exclusion for stock held 3–4 years;
• 75% exclusion for stock held 4–5 years;
• 100% exclusion for stock held 5 years or longer.

Previously, shareholders were required to hold stock for at least five years to receive any exclusion benefit.

Higher Gross Asset Threshold
The qualifying company asset limitation has increased:

• From $50 million to $75 million in gross assets;
• Asset valuation is based on tax basis, not fair market value.

These benefits apply only to newly issued stock and do not apply to shares obtained through stock conversions or exchanges.

Company Eligibility Requirements

To qualify for QSBS treatment, a company must meet several structural requirements:

• The business must be organized as a C-Corporation;
• The entity must be organized and registered within the United States;
• Stock must be purchased directly from the corporation using money, property, or services;
• Purchases from existing shareholders do not qualify.

Entities such as LLCs, partnerships, and S-corporations are not eligible for QSBS treatment.

Active Business Requirement

The corporation must operate an active trade or business using at least 80% of its assets in operational activities. Passive investment companies do not qualify, although reasonable working capital reserves and research and development activities are permitted.

Certain industries are specifically excluded, including:

• Professional service firms (law, medicine, accounting);
• Banking, insurance, and financial services businesses;
• Farming and natural resource extraction companies;
• Hospitality businesses such as hotels and restaurants;
• Businesses primarily dependent on employee reputation or personal skill.

Calculating the QSBS Exclusion

Determining the available tax exclusion requires applying two limitations in a specific order.

Dollar Limitation
The maximum exclusion depends on the acquisition date:

• $10 million for stock acquired before July 4, 2025;
• $15 million for stock acquired on or after July 4, 2025.

Alternatively, shareholders may exclude gains equal to ten times their stock basis, recalculated annually—often benefiting founders contributing appreciated property.

Percentage Limitation
After applying the dollar limitation, the allowable exclusion percentage is determined based on holding period requirements.

When exclusions are less than 100%:

• Non-excluded gains are subject to a special 28% federal capital gains tax rate;
• Gains exceeding dollar limitations are taxed at standard capital gains rates.

Strategic Planning Opportunities

Proper planning can substantially increase QSBS benefits. Effective strategies may include:

• Timing and structuring stock issuances;
• Property contribution planning;
• Multi-entity ownership structures;
• Integration with family and estate planning objectives.

Early legal and tax planning ensures eligibility requirements are preserved long before a liquidity event occurs.

The securities lawyers at Corporate Securities Legal LLP advise founders, investors, and growing companies on structuring businesses to maximize QSBS eligibility and long-term tax efficiency.

Contact Corporate Securities Legal LLP to schedule a consultation and learn how advance planning can help you capture the full benefits of the QSBS tax exemption.