Changing Your Business Structure: What Business Owners Need to Know Before Making a Move

Changing Your Business Structure

Most business owners reach a point where their original business structure no longer fits where the company is headed. Maybe revenue has grown, you’re hiring people, you’re thinking about retirement, or you’re preparing to sell. Whatever the reason, changing your business entity is more than a paperwork decision—it affects taxes, liability, benefits, and long-term strategy.

This article explains what actually happens when you switch from an LLC, S-corporation, or C-corporation, and what business owners must understand before deciding.

Why Business Structure Matters More Than Most Owners Realize - Changing Your Business Structure: What Business Owners Need to Know Before Makin

Your choice of entity controls four major areas:

1. How your business is taxed

2. What fringe benefits you can take

3. How much liability protection you have

4. How easy it is to bring in investors or sell the company

Because of these factors, choosing the right entity can save thousands, sometimes millions, in taxes and potential mistakes.

Understanding Each Structure — and When They Work Best

LLC: Flexible, familiar, and often a starting point

Most new businesses begin as LLCs because they’re simple to set up, provide liability protection, and allow profits to pass through to the owner.

When an LLC works well:

• You’re a solo owner or small partnership

• You don’t need complex fringe benefits

• You don’t plan to bring in outside investors

• Your tax needs are straightforward

But LLCs have limits. They don’t provide strong fringe benefit deductions, self-employment taxes can be heavy, and they offer no advantage when preparing for a sale.

S Corporation: The middle option with smart tax advantages

An S corporation isn’t a type of legal entity—it’s a tax classification. Both LLCs and corporations can elect S-corp status.

Why business owners choose S-corps:

• Lower self-employment tax

• Clear payroll/distribution rules

• Best for profitable companies with active owners

Key limitations:

• Fringe benefits for owners with more than 2% ownership become taxable

• Strict shareholder rules (no foreign owners, no partnerships as shareholders)

• All distributions must follow ownership percentages—no exceptions

An S-corp can be an excellent fit, but only when the owner meets all requirements.

C Corporation: The most powerful option for growth and benefits

C corporations pay their own taxes, separate from the owners. This structure opens doors to tax-advantaged fringe benefits and makes the company easier to scale.

Why companies stay or convert to C-corps:

• Strongest fringe benefit deductibility (health insurance, life insurance, cafeteria plans)

• Attractive to investors

• Required for Qualified Small Business Stock (QSBS) under §1202

• Ideal for companies with high medical costs for owners

The tradeoff:

C-corps face double taxation—the corporation pays tax, and shareholders pay tax on dividends.

Still, for some companies, especially high-growth businesses or those planning to sell stock, the benefits outweigh the downside.

When Converting to an S-Corporation Is a Bad Idea

Switching from a C-corp to an S-corp is not always smart. Here are the situations where converting can hurt you:

1. Appreciated assets inside the C-corp

If the corporation owns property or other appreciated assets, converting triggers potential Built-In Gains (BIG) tax if those assets are sold within five years. This can create double taxation—one at the corporate level and one at the shareholder level.

2. You depend on strong fringe benefits

Once you become an S-corp:

• health insurance

• group-term life

• many fringe benefits

…are taxable to any owner holding more than 2%.

3. Your shareholders are ineligible

S-corps cannot have:

• foreign owners

• partnership owners

• LLC owners

• more than 100 shareholders

4. You may lose QSBS (Section 1202) benefits

This one is critical.

If your C-corp qualifies for QSBS, the first $10 million of capital gain from selling your stock can be completely tax-free.

If you convert to an S-corp, you lose this benefit.

That mistake has resulted in malpractice claims.

What to Consider When Converting an LLC to a Corporation

LLCs can convert to corporations tax-free under Section 351—but only when the rules are followed.

1. Section 351 Requirements

To avoid tax at conversion:

• Owners must transfer property

• In exchange for stock

• While maintaining at least 80% control immediately afterward

2. Debt basis problems

LLC owners often use company debt to increase basis and deduct losses.

Corporations do not pass corporate debt to shareholders for basis purposes.

If the LLC relied on debt basis to absorb prior losses, the conversion can create taxable income.

3. Balance sheet conversion

The final Schedule L of the LLC becomes the opening balance sheet of the corporation.

Partner capital becomes paid-in capital, not stock.

This is a key point most business owners never see until they’re audited.

4. Fringe benefits change automatically

After the conversion:

• S-corp rules apply if electing S-status

• C-corp benefits apply if taxed as a C-corp

This difference can drastically change deductibility.

5. No more special allocations

LLCs taxed as partnerships can split profits however they choose.

Corporations cannot.

All income, loss, and distribution must follow the exact ownership percentages.

Changing Your Business Structure

Mergers, Acquisitions, and Preparing Your Business for Sale

Whether you’re buying or selling, entity structure affects value, taxes, and negotiation power.

Asset Sale vs. Stock Sale

Asset Sale

Buyer purchases the company’s assets—not the company itself.

Pros for buyer:

• No inherited liabilities

• Step-up in basis for depreciation

Cons for seller:

• Potentially higher taxes

• Depreciation recapture

• Loss of QSBS benefits if applicable

Stock Sale

Buyer purchases the ownership interest.

Pros for seller:

• Usually cleaner and more tax-favorable

• Possible QSBS exclusion

Cons for buyer:

• Inherits liabilities

• No step-up in basis unless §338 or §338(h)(10) is used

Section 338 Elections

This special election allows the buyer to treat a stock purchase as an asset purchase for tax purposes.

It gives the buyer depreciation benefits without forcing the seller into an asset sale.

Section 368 Reorganizations

These are tax-free reorganizations used in mergers.

They require:

• Continuity of interest

• Continuity of business enterprise

• Legitimate business purpose

They allow businesses to merge or consolidate without immediate tax.

The Most Important Rule: Talk to a Professional Before Changing Anything- Changing Your Business Structure: What Business Owners Need to Know Before Making a Move

Changing a business entity affects:

• your tax rates

• your payroll

• your benefits

• your ability to raise capital

• what happens if you sell your company

• your eligibility for major tax exclusions

One wrong election can cost years of tax benefits or trigger taxes you didn’t expect.

Before moving from LLC to S-corp, C-corp to S-corp, or preparing for a sale, always review the tax consequences first.

Your structure should support your business—not work against it.

Changing Your Business Structure: What Business Owners Need to Know Before Makin a Move

This summary is based on guidance presented at the 2025 National Association of Tax Professionals workshop.