From C Corp to S Corp: The What, Why, and When of Making the change
As the business landscape grows more complex and tax laws continue to change, many companies are looking for smarter ways to manage their tax burden.
One option worth exploring is converting from a C Corporation to an S Corporation. For small- and mid-sized businesses in particular, this change can offer meaningful tax savings. That said, it’s not a decision to make lightly.
Understanding the What, Who, Where, When, and Why behind the switch can help business owners decide whether it aligns with their long-term goals and financial strategy.
What does converting do?
Converting from a C Corporation to an S Corporation allows a business to move to a pass-through tax structure. Instead of being taxed at both the corporate and individual levels, income passes directly to shareholders, avoiding double taxation.
Why convert to an S Corp?
There are many reasons business owners consider making the switch:
- Pass-through taxation: Income, losses, deductions, and credits flow directly to shareholders and are taxed at individual tax rates.
- Potential tax savings: This structure is often especially attractive for small and mid-sized businesses with consistent profits.
- Simplified accounting: S Corporations generally have fewer administrative and reporting requirements.
- Liability protection: Shareholders’ personal assets remain separate from the business's liabilities, helping protect them from business debts or lawsuits.
- Professional structure: Operating as a corporation can enhance credibility with lenders, vendors, and clients.
Who should consider becoming an S Corp?
An S Corporation election isn’t a fit for every business, and eligibility rules are strict:
- The company must be a domestic U.S. corporation.
- Shareholders must be U.S. citizens or resident aliens — no partnerships or corporations allowed.
- Only one class of stock may be issued.
- The business cannot have more than 100 shareholders.
Because the primary benefit of an S Corporation is tax savings, companies operating at a loss typically won’t see an advantage from switching.
Businesses with strong profits and a small group of shareholders who plan to distribute earnings often benefit the most. On the other hand, companies that intend to reinvest profits back into the business or attract large institutional investors may be better served by remaining a C Corporation.
Where and When should a change to an S Corp occur?
Making the election requires a few key steps:
- Approval: All shareholders must unanimously agree to the conversion.
- IRS filing: File Form 2553, Election by a Small Business Corporation, with the IRS.
- Timing: The election must be made by the 15th day of the third month of the taxable year to be effective for that year.
For many business owners, now may be the right time to evaluate whether this strategic move could improve their company’s overall tax position and financial health.
Bottom line
Because S Corporations face increased scrutiny from the IRS, it’s critical to follow all post-conversion requirements carefully. Businesses should be prepared to:
- File a final C Corporation tax return (Form 1120).
- Begin filing Form 1120-S as an S Corporation.
- Issue Schedule K-1s to shareholders.
- Adjust payroll and employee benefits — shareholder-employees must receive a reasonable salary, with remaining profits distributed as dividends.
- Update accounting methods and track retained earnings, shareholder basis, and equity changes moving forward.
- Prepare for state tax compliance, which can vary by jurisdiction.
Taking the time to understand these steps can help ensure a smooth transition and set the business up for long-term success. The Boyer & Ritter team is ready to answer your questions and help you set up the right business structure that meets your needs.
Kathryn Clark is a Manager with Boyer & Ritter. Kathryn’s emphasis is in tax and small business, providing tax and accounting services for businesses and individuals. Contact Kathryn at 717-761-7210 or kclark@cpabr.com.