You’re an S Corporation — Now What?

By Kristine ‘Casey’ Adams, CPA

Congratulations! Electing S Corporation status is a big milestone for your business and often a smart tax move. That said, becoming an S Corp comes with new responsibilities and compliance requirements. Here’s a practical roadmap of what to do next so you stay on track—and avoid costly surprises.

business man happy to be a s corporation

1. Start Running Payroll (Yes, Really)

One of the biggest changes with an S Corporation is that owner-shareholders who work in the business must be paid a “reasonable salary"

That means:

  • You must be on payroll
  • Wages are subject to payroll taxes (Social Security, Medicare, federal/state withholding)
  • Payroll reports and filings must be done timely (Forms 941, W-2, state filings, etc.)
  • If your health insurance is paid through the business, it must be reported on the W-2 in Box 1 and 14

💡 The tax benefit of an S Corp comes from splitting income between:

  • W-2 wages (subject to payroll tax), and
  • Distributions (generally not subject to self-employment tax)

The key word here is reasonable. Too low raises IRS red flags; too high can dilute the tax benefit.

2. Separate Wages From Distributions

As an S Corp owner, you now wear two hats:

  • Employee → paid through payroll
  • Shareholder → paid through distributions

Distributions:

  • Must be pro-rata based on ownership percentage

3. Update Your LLC Operating Agreement (This Is Often Missed)

If your business is an LLC that elected S Corporation status, your operating agreement likely still contains partnership or member-managed language that no longer matches how the business is taxed or operated.

Common issues we see:

  • References to “partners” instead of shareholders
  • Profit allocations tied to capital accounts, not ownership percentages
  • Language allowing unrestricted owner draws
  • No mention of reasonable compensation or payroll
  • Voting and ownership provisions that conflict with S Corp rules

While the IRS focuses on tax compliance, outdated governing documents can create legal, ownership, and audit risks—especially when adding owners, selling the business, or dealing with disputes.

 

📌 Updating your operating agreement to align with S Corporation treatment helps ensure your legal documents match your tax reality.

4. Upgrade Your Bookkeeping Discipline

S Corporations require cleaner, more accurate books than many businesses are used to.

At a minimum:

  • Separate business and personal accounts
  • Monthly bank and credit card reconciliations
  • Proper classification of wages, payroll taxes, distributions, and expenses
  • Year-end financials that tie out to the tax return

If your bookkeeping has historically been “good enough,” an S Corp is usually the point where good enough is no longer enough.

5. Understand Your New Tax Filings

As an S Corporation, your tax compliance now includes:

  • Form 1120-S (the S Corp tax return)
  • Schedule K-1 issued to each shareholder
  • Owner reports K-1 income on their individual return
  • Payroll filings (quarterly and annual)
  • Possible state-level S Corp filings or minimum taxes

⏱️ S Corp returns are due March 15 (or September 15 with extension), earlier than individual returns.

6. Revisit Tax Planning Opportunities

Now that you’re an S Corp, additional planning doors may open, such as:

  • Optimizing owner compensation
  • Retirement plans (Solo 401(k), cash balance plans, etc.)
  • Timing of income and deductions
  • Depreciation strategies for equipment
  • Multi-state considerations if you’re expanding

This is where proactive planning—not just tax prep—really pays off.

Final Thoughts

Becoming an S Corporation can be a powerful tax strategy, but only if it’s implemented correctly. Payroll, bookkeeping, updated governing documents, and ongoing compliance are essential.

 

If you’ve recently elected S Corp status—or you’re not sure everything was updated properly—it’s a great time to sit down with a tax professional. At Keystone CPAs, our team works closely with business owners to ensure their S Corporations stay compliant, efficient, and tax-smart.

 

If you have questions or want help navigating your next steps, we’re here to help