How to Start an S Corp in Washington State | Lovie — US Company Formation

Starting an S Corporation in Washington State offers potential tax advantages for eligible businesses, allowing profits and losses to be passed through directly to the owners' personal income without being subject to corporate tax rates. This structure can help reduce the overall tax burden compared to a traditional C Corporation. However, forming an S Corp involves specific steps at both the state and federal levels, requiring careful attention to detail. While the S Corp status itself is a federal tax election made with the IRS, you must first establish a legal entity at the state level, typically a Limited Liability Company (LLC) or a C Corporation, in Washington. Once your entity is formed and recognized by the Washington Secretary of State, you can then file the necessary paperwork with the IRS to elect S Corp tax treatment. This guide will walk you through the essential steps involved in setting up your Washington business as an S Corp.

Understanding S Corp vs. LLC vs. C Corp in Washington

Before diving into the formation process, it's crucial to understand the distinctions between an LLC, a C Corp, and an S Corp, especially within the context of Washington State law and federal tax regulations. A Limited Liability Company (LLC) is a popular business structure in Washington that separates personal assets from business debts, offering flexibility in management and taxation. A C Corporation, on the other hand, is a more traditional corporate structure, recognized as a separate legal

• An S Corp is a federal tax election, not a state-defined business structure.
• You must first form an LLC or C Corp in Washington State before electing S Corp status.
• LLCs offer liability protection and management flexibility.
• C Corps face potential double taxation, which S Corp election can mitigate.
• Washington State has a B&O tax, separate from federal S Corp tax status.

Eligibility Requirements for S Corp Status in Washington State

To elect S Corp tax treatment with the IRS, your business entity must meet specific criteria set forth by federal law. These requirements apply universally, including for businesses operating in Washington State. Primarily, the business must be a domestic eligible entity – meaning it was formed in the U.S. and is either a C Corporation or an LLC. It cannot be certain types of corporations, such as tax-exempt organizations or insurance companies taxed under specific internal revenue codes. Furth

• The business must be a domestic eligible entity (LLC or C Corp).
• Maximum of 100 shareholders, who must be individuals, certain trusts, estates, or tax-exempt organizations.
• Shareholders must be U.S. citizens or resident aliens; no non-resident aliens allowed.
• The S Corp can only have one class of stock.
• Meet all IRS eligibility criteria before filing for S Corp status.

Step 1: Form Your Business Entity in Washington State

The foundational step to starting an S Corp in Washington State is to first establish a legal business entity with the Washington Secretary of State. You have two primary options: forming a Limited Liability Company (LLC) or a C Corporation. Many entrepreneurs opt for an LLC due to its flexibility and pass-through taxation by default, which can then elect S Corp status for potential self-employment tax savings. Alternatively, you can form a C Corporation and then elect S Corp status. To form an

• Choose between forming a Washington State LLC or C Corporation.
• File the appropriate Certificate of Formation or Incorporation with the WA Secretary of State.
• Select a unique business name that complies with Washington state rules.
• Designate a registered agent with a physical Washington address.
• The filing fee for an LLC or C Corp in Washington is $200.

Step 2: Obtain an Employer Identification Number (EIN)

Before you can file for S Corp status with the IRS, your newly formed Washington business entity must obtain an Employer Identification Number (EIN), also known as a Federal Tax Identification Number. This nine-digit number is issued by the Internal Revenue Service (IRS) and is used to identify your business entity for tax purposes. Even if your business will not have employees, an EIN is generally required for S Corp election. It's also necessary for opening a business bank account, filing busi

• An EIN is required for S Corp election and is issued by the IRS.
• Apply for an EIN using IRS Form SS-4, available online.
• The EIN application requires details about your Washington business entity.
• Obtaining an EIN from the IRS is free of charge.
• Use your LLC or C Corp name when applying for the EIN.

Step 3: File IRS Form 2553 for S Corp Election

With your Washington business entity formed and your EIN secured, the next critical step is to file IRS Form 2553, Election by a Small Business Corporation. This is the official document used to elect S Corp tax status with the IRS. The form is detailed and requires accurate information about your business, its owners, and their respective shareholdings. You must ensure that all shareholders of your Washington business have consented to the S Corp election, and their signatures or initialed cons

• File IRS Form 2553, Election by a Small Business Corporation.
• All shareholders must consent to the S Corp election.
• The deadline is generally the 15th day of the third month of the tax year.
• Late election relief may be available with reasonable cause.
• Submit the form to the IRS service center indicated in the instructions.

Ongoing Compliance for Washington S Corps

Operating as an S Corp in Washington State involves ongoing compliance with both federal and state regulations. At the federal level, your S Corp must file an annual information return, IRS Form 1120-S, U.S. Income Tax Return for an S Corporation. This form reports the corporation's income, deductions, gains, losses, etc., and details the allocation of these items to shareholders via Schedule K-1. At the state level, Washington S Corps must continue to comply with Washington State's business re

• File annual federal tax return IRS Form 1120-S.
• Maintain Washington State business registration through annual renewal.
• Comply with Washington's Business and Occupation (B&O) tax.
• Continue to maintain a registered agent in Washington.
• Keep all business records accurate and up-to-date.

Frequently Asked Questions

Can I form an S Corp directly in Washington State?

No, you cannot directly form an S Corp at the state level. You must first form a legal entity like an LLC or C Corporation in Washington State and then elect S Corp tax status with the IRS by filing Form 2553.

What are the main benefits of operating as an S Corp in Washington?

The primary benefit is potential self-employment tax savings. Owners who actively work for the business can be paid a reasonable salary (subject to payroll taxes) and take the remaining profits as distributions, which are not subject to self-employment taxes.

How long does it take to get S Corp status approved in Washington?

After forming your LLC or C Corp and obtaining an EIN, filing Form 2553 with the IRS typically results in approval within a few weeks to a couple of months. The state formation process itself can take a few business days to a week.

Do I need a registered agent for an S Corp in Washington?

Yes, any business entity formed in Washington State, including one electing S Corp status, must have a registered agent with a physical street address within the state to receive official correspondence.

Does Washington State have a state-level S Corp election?

No, Washington State does not have a specific state-level S Corp election. S Corp status is a federal tax designation made with the IRS. Washington businesses are still subject to Washington's Business and Occupation (B&O) tax.

Start your formation with Lovie — $20/month, everything included.