Determining the type of legal structure for a new business can be daunting for entrepreneurs and small business owners. Corporations and limited liability companies (“LLCs”) are preferred business structures because, unlike sole proprietorships and partnerships, both offer liability protection. This means that the owner of a company cannot be held personally responsible for the company’s debts. The personal assets of an owner are shielded from company liabilities.
In researching the various business structures, one inevitably comes across the S corporation. S corps and LLCs are similar in that they are both “pass-through” entities for tax purposes; the income of these companies are passed through to their owners and reported on the owners’ personal income tax returns, thereby eliminating the double taxation incurred by owners of a standard corporation, or C corporation. (With a C corporation, the net business income is subject to corporate income tax, and the monies remaining after the corporate income tax are taxed a second time when they are distributed as dividends to its owners who must then pay personal income tax.)
So what is the difference between an S corporation and an LLC? And which structure is right for you?
The answer depends on your own unique situation. If operational ease and flexibility are important to you, an LLC is a good choice. If you are looking to save on employment tax and your situation warrants it, an S corporation could work for you.
Business Ownership & Operation
There are restrictions on who can be owners (called “shareholders”) of an S corporation. An S corporation can have no more than 75 shareholders. None of the shareholders can be nonresident aliens. And shareholders cannot be other corporations or LLCs.
An S corporation is operated in the same way as a traditional C corp. An S corp. must follow the same formalities and record keeping procedures. The directors or officers of an S corp. manage the company. And an S corp has no flexibility in how profits are split up amongst its owners. The profits must be distributed according to the ratio of stock ownership, even if the owners may otherwise feel it is more equitable to distribute the profits differently.
LLCs offer greater flexibility in ownership and ease of operation. There are no restrictions on the ownership of an LLC. An LLC is simpler to operate because it is not subject to the formalities by which S corps must abide. An LLC can be member-managed, meaning that the owners run the company; or it can be manager-managed, with responsibility delegated to managers who may or may not be owners in the LLC.
And the owners of an LLC can distribute profits in the manner they see fit.
Let’s say, for example, you and a partner own an LLC. Your partner contributed $40,000 for capital. You only contributed $10,000 but you perform 90% of the work. The two of you decide that, in the interest of fairness, you will each share the profits 50/50. As an LLC you could do that; with an S corporation, however, you could only take 20% of the profits while your partner would take the other 80%.
Employment Tax: Savings vs. Paperwork
A major factor that differentiates an S corporation from an LLC is the employment tax that is paid on earnings. The owner of an LLC is considered to be self-employed and, as such, must pay a “self-employment tax” of 15.3% which goes toward social security and Medicare. The entire net income of the business is subject to self-employment tax.*
In an S corporation, only the salary paid to the employee-owner is subject to employment tax. The remaining income that is paid as a distribution is not subject to employment tax under IRS rules. Therefore, there is the potential to realize substantial employment tax savings. Case in point:
Mary owns a print shop. In keeping with the industry standard, Mary decides that a reasonable salary for a print shop manager is $35,000 and pays herself accordingly. Mary’s total earnings for the year are $60,000: $35,000 paid in salary and the remaining $25,000 paid as a distribution from the S corp. Mary’s total employment tax is $5,355 (15.3% of $35,000).
If Mary were the owner of an LLC, she would have to pay employment tax on the entire $60,000, equaling $9,180. But as an S corporation, she realizes savings of $3,825 in employment tax.
One might assume that these savings could be further manipulated by reducing the salary to an extremely low amount and attributing the rest of one’s earnings to distributions — but this would be an incorrect assumption. In practice, the IRS is careful to notice whether a salary is reasonable by industry standards. If it determines a salary to be unreasonable, the IRS will not hesitate to reclassify distributions as salary.
Still, while the potential employment tax savings may make the S corporation an attractive structure for your business, bear in mind that you would then have to deal with all the paperwork associated with payroll tax. The payroll tax is a pay-as-you-go tax that must be paid to the IRS regularly throughout the year–on time, or you will incur interest and penalties. The paperwork alone can be an overwhelming task for someone who is not familiar with this; and if you expect to incur losses or otherwise experience a cash flow crunch during the year that would hinder you from paying the payroll tax when due, this could present a problem.
Owners of LLCs pay their self-employment tax once a year on April 15 when income taxes are normally due. Income tax filings are also relatively easy for the owners of an LLC: A single-member LLC files the same 1040 tax return and Schedule C as a sole proprietor; partners in an LLC file the same 1065 partnership tax return as do owners of traditional partnerships.
The comparison chart below sums up the similarities and differences between the two business structures:
S Corporation vs LLC
|S Corporation (S Corp)||Limited Liability Company (LLC)|
|Operational Control||Board of Directors/ Officers||May be member-managed or manager-managed|
|Federal Income Tax||Pass-through||Pass-through|
|Flexibility/Ease of Operation||No; subject to some formalities and record keeping rules as traditional C corps||Yes|
|Flexibility in Profit-Sharing||No||Yes|
|Employment Tax||Employment/payroll tax on salary; no employment tax on dividends paid to shareholders||Self-employment tax on total net income *|
There is no one, magical entity that works for everyone. A CPA or a specialized tax attorney can assist you in choosing the right structure for your business. The important thing is to consider the operational, legal and tax aspects of each structure as they apply to your unique situation.
* The self-employment tax rate for 2019 is 15.3%, which consists of two parts: 12.4% for social security (old-age, survivors, and disability insurance) and 2.9% for Medicare (hospital insurance).
For 2019, only the first $132,900 of total net income is subject to the social security portion of the tax. The amount increased to $137,700 for 2020. All of the total net income is subject to the 2.9% Medicare portion of the tax. (Source: IRS)
*For those who prefer the tax treatment of an S corp but like the simplicity of an LLC, there is an alternative worth considering: Forming an LLC that is taxed as an S corp. An LLC may make a special election with the IRS to be taxed as an S corp. This election is made on IRS Form 2553 and must be filed with the IRS before the 16th day of the third month of the tax year in which the election is to take effect.
An LLC that is taxed as an S corp is still a limited liability company from a legal standpoint (subject to the laws governing limited liability companies in the state of formation); however, for tax purposes it is treated as an S corp.
A word of caution: Certain nuances of S corp taxation can be confusing to some LLC owners, especially do-it-yourselfers and/or those who prepare their own tax returns; for example, an LLC owner might easily make the mistake of referring to an IRS publication that addresses LLCs when, in fact, such a publication would not apply to an LLC that is taxed as an S corp–and such an error could lead to negative tax consequences. It is therefore highly recommended that you consult a CPA or other qualified tax professional for advice and/or assistance.
Recommended Books on S Corporation vs LLC:
- LLC vs. S-Corp vs. C-Corp Explained in 100 Pages or Less
- S-Corporation: Small Business Start-Up Kit
- LLC or Corporation?: How to Choose the Right Form for Your Business
- The Operations Manual for LLCs (Entrepreneur Magazine’s Legal Guide)
- The LLC and Corporation Start-Up Guide (Quick Start Your Business)
Original Publication Date: January 2004. Updated on December 21, 2019
- Forming an LLC and Electing to be Taxed as an “S” Corp
- S Corporation Taxes for Employees and Shareholders
- Advantages of S Corporations
- How to Convert a Sole Proprietorship to an LLC
- What is a Limited Liability Company (LLC)?
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