Tim Dick, CFP®
Posted on Aug 8, 2026
When you started your business, choosing a legal structure was likely one of the first decisions you made, and possibly one you made quickly, without fully weighing what was at stake.
That decision quietly shapes almost everything that follows like how much of your profit the IRS takes, whether your house and savings are exposed if a client sues you, whether you can bring on investors or partners down the road, and how much you’ll keep when you eventually sell or pass the business on. Get it right, and your structure works in the background, protecting you and minimizing what you owe. Get it wrong, or simply outgrow it without noticing, and you could be leaving real money on the table or carrying risks you never agreed to.
Selecting the right entity structure for your business isn’t as complicated as it sounds once you understand the trade-offs. Let’s take a look at the different options and some of the pros and cons of each of them.
Sole Proprietorship
Often the default structure for anyone operating a business on their own without filing any formal entity.
Advantages:
- Easy and inexpensive to form
- Owner has complete control over decisions
- Simple tax filing, since profits pass through* to your personal return
Disadvantages:
- Unlimited personal liability for business debts and legal claims
- Self-employment tax on all profits
- Difficult to raise capital or bring on partners
- Can appear less credible to clients or lenders
Good Fit: Feelance graphic designer working from home with a handful of clients and minimal risk of being sued.
Bad Fit: Contractor who renovates homes. The liability exposure from potential injury or property damage claims makes operating without any legal protection risky.
Partnership
Two or more people share resources and expertise to operate a business.
Advantages:
- Simple and inexpensive to form
- Shared decision-making, resources, skills, and capital
- Profits pass through* directly to each partner’s personal tax return
Disadvantages:
- Unlimited personal liability, meaning each partner is on the hook not just for their own actions, but for debts and decisions made by their co-partner
- Can dissolve automatically if a partner leaves or dies, unless a formal agreement says otherwise
- Disputes between partners can paralyze the business
- Self-employment tax on all profits
- Tax complexity, since allocations of income, losses, and basis calculations require careful tracking
- Phantom income, meaning partners can be taxed on their share of income even if they don’t receive distributions
Good Fit: Law firm where a small group of partners share client relationships, decision-making, and profits, with reputation and judgment as the core product.
Bad Fit: Chain of restaurants with multiple locations, standardized operations, and significant capital needs. The personal liability exposure across leases, staff, and food safety issues, plus the need to raise outside capital to scale, favors other entity structures.
Limited Liability Company (LLC)
The most popular structure for small- to mid-size businesses, combining liability protection with tax flexibility.
Advantages:
- Personal assets are shielded from business liabilities
- Flexible tax treatment, since you can elect to be taxed as a sole proprietor, partnership, or S corp status
- Fewer ongoing administrative requirements than a C corporation
- No limit on the number or type of owners
Disadvantages:
- Active owners still pay self-employment tax on profits unless an S corp election is made
- Rules and fees vary by state, and some states charge LLC-specific franchise taxes
- Not well suited for businesses planning to raise venture capital, since investors typically prefer corporate stock
Good Fit: Landscaping company with a few employees and decent revenue, owned by one or two people who want liability protection without corporate-level complexity.
Bad Fit: Tech startup planning to raise multiple rounds of venture funding. Investors will almost always require a C corp structure with preferred stock.
S Corporation
Technically a tax election (often made by an LLC or corporation).
Advantages:
- Owners pay payroll tax only on their salary, not their full share of profits, which adds up to real savings once the business is solidly profitable
- Pass-through income avoids the double taxation that C corporations face
- Liability protection
- Business continuity when owner exits
Disadvantages:
- Limited to 100 shareholders, all of whom must be U.S. citizens or residents
- Only one class of stock is allowed, which limits flexibility for equity compensation
- The IRS requires a “reasonable salary” for owner-employees; paying yourself too little to dodge payroll tax is a common audit trigger
- Possible phantom income, meaning you can owe tax on profits the business keeps instead of paying out to you
Good Fit: Established dental practice generating $300,000+ in annual profit, where the owner-dentist can split income between a reasonable salary and tax-advantaged distributions.
Bad Fit: Foreign-owned business, or one planning to bring in international investors. S corp eligibility rules would disqualify it outright.
C Corporation
The most formal structure, and the one behind most venture-backed startups and publicly traded companies.
Advantages:
- No limit on the number or nationality of shareholders
- Perpetual existence, independent of any single owner
- Unlimited growth potential: can issue multiple classes of stock and bring on unlimited shareholders, the structure most investors require for venture funding and stock-based compensation
- Profitable founders may qualify for the Section 1202 (QSBS) exclusion, allowing up to $15 million in gains to be excluded from federal tax at sale†.
Disadvantages:
- Double taxation: profits are taxed once at the corporate level (21% federal rate), then again at the individual level when paid out as dividends
- The most expensive and administratively demanding structure, requiring a board, bylaws, formal minutes, and more rigorous recordkeeping
Good Fit: Software startup planning to raise multiple rounds of institutional capital and eventually pursue an acquisition or IPO.
Bad Fit: Solo consultant or small family business with no plans to raise outside capital. The administrative burden and double taxation outweigh any benefit.
Your Structure Should Evolve with Your Business
There is no one-size-fits-all answer. Many business owners start as a sole proprietor or single-member LLC, elect S corp taxation once they reach meaningful profitability, and potentially restructure again before a sale or capital raise. Getting this right at key inflection points, and revisiting it as the business evolves, can have an outsized impact on what you actually keep.
Not sure if your current structure still fits? If you’re approaching a sale, bringing on a partner, or just haven’t revisited this in a few years, let’s talk through your options.
* QBI deduction available up to 20% of net profits, subject to income limitations.
† Under the One Big Beautiful Bill Act (OBBBA), the enhanced $15 million exclusion and tiered gain exclusion (50%/75%/100% at 3/4/5-year holding periods) apply only to QSBS acquired after July 4, 2025. Stock acquired on or before that date remains subject to the prior $10 million cap and standard 5-year holding period.
This content is provided for informational purposes only and should not be relied upon in any manner as professional advice, or an endorsement of any practices, products or services. There can be no guarantees or assurances that the views expressed here will be applicable for any particular facts or circumstances, and should not be relied upon in any manner. You should consult your own advisers as to legal, business, tax, and other related matters concerning any investment.