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Year-end checklist
Bookkeeping, payroll & tax for owners
Sole props & S corps

Payroll setup checklist for new S corporation owners: who does what

Once an S corporation pays its owner a salary, it is an employer, with federal payroll tax, Massachusetts withholding, Paid Family and Medical Leave and possibly unemployment insurance to set up before the first paycheck. Most of the risk is not in the calculations but in tasks nobody was assigned. This checklist lists the pieces and a way to agree, in writing, who owns each one.

Why an S corporation owner needs payroll at all

The IRS treats corporate officers as employees for federal employment tax purposes. Its fact sheet on S corporation officers says payments for services to officers should be treated as wages, not as distributions, and its S corporation compensation page says reasonable compensation must be paid to a shareholder-employee before non-wage distributions are made.

In practice that means an owner who works in the business and takes money out of it needs a salary run through payroll, with withholding, employer taxes and a Form W-2, alongside any distributions. How much salary is reasonable is a separate question, and the IRS says there are no specific guidelines for it in the Code or the regulations.

Register before the first paycheck

These steps come before any wages are paid. Several of them take time to process, so they belong at the start of the year, not the week of the first payroll.

  1. 1.Confirm the business has an employer identification number (EIN). An S corporation needs one, and the IRS says a single-member LLC needs its own EIN if it has any employees.
  2. 2.Register with the Massachusetts Department of Revenue through MassTaxConnect for withholding and for Paid Family and Medical Leave. DOR's new-business guidance lists both.
  3. 3.Check whether the business must register with the Department of Unemployment Assistance (DUA). Most for-profit employers must contribute if they pay $1,500 or more in wages in any quarter or have an employee working at least one day a week for 13 weeks in the year.
  4. 4.Choose a payroll provider or method, and decide who will run it.
  5. 5.Set the owner's salary and write down how it was arrived at: duties, hours, and what the business would pay someone else to do the work.
  6. 6.Put the first payroll date on the calendar, ahead of or alongside the first distribution, not after months of draws.

A who-does-what table to fill in

The table shows a common way the work divides. It is a starting point for a conversation, not a description of any particular arrangement. The version that matters is the one you agree in writing with each party.

Payroll responsibilities for a small S corporation (example split; yours is set in writing)
TaskOwnerPayroll providerAccountant or bookkeeper
Decide the owner's salary and pay scheduleDecidesNot involvedDiscusses the factors and documentation
Register for Massachusetts withholding, PFML and UISigns and supplies informationMay complete if contractedChecks the list is complete
Calculate each paycheck and withholdingApprovesUsually performsNot usually involved
Make federal and state tax depositsFunds the accountPerforms if contracted toReconciles deposits to the books
Quarterly federal and Massachusetts returnsReviews and signs where requiredUsually prepares and submits if contractedCompares with the ledger
Year-end Forms W-2, including owner health premiumsSupplies premium figuresUsually preparesChecks W-2 totals against the books
Record payroll in the booksNot usually involvedSupplies reportsRecords and reconciles

The single most useful thing a new S corporation owner can do is get the provider's service agreement and read which filings and deposits it actually covers. "Full service" means different things to different providers.

The Massachusetts pieces

Paid Family and Medical Leave. Mass.gov says a business owner paid through a W-2 is an employee of the business and part of its covered workforce for PFML, with an exception for businesses co-owned by family members and for the wages of a spouse, minor child or parent. For 2026 the total contribution is 0.88% of eligible wages, capped at the Social Security wage base. An employer with fewer than 25 covered individuals sends 0.46%, because small employers do not have to pay the employer share of the medical leave contribution. The 2027 rate has not been set yet; the Department of Family and Medical Leave sets it annually by 1 October. Chapter 101 of the Acts of 2026 also changes how the contribution is split between family and medical leave, which DFML says takes effect 1 January 2027.

Unemployment insurance. Whether an owner-officer's wages are covered is something to confirm directly with DUA for your situation. If they are, a new employer's 2026 contribution rate is 2.42% (6.08% for new construction employers) on the first $15,000 of each employee's wages. DUA's family exemptions include people working for a spouse and children under 18 working for a parent. Covered employers file a quarterly employment and wage detail report and pay by 30 April, 31 July, 31 October and 31 January.

Withholding. Massachusetts income tax withholding applies to the owner's wages like any other employee's. DOR assigns the filing frequency when the business registers.

The federal pieces

On the federal side, the owner's salary carries the same employment taxes as any employee's wages. The figures below are for 2026.

  • Social Security: 6.2% withheld from the employee and 6.2% paid by the employer, on wages up to $184,500 for 2026.
  • Medicare: 1.45% withheld and 1.45% paid by the employer, with no wage cap. Additional Medicare Tax of 0.9% applies above $200,000 for single filers and $250,000 for married couples filing jointly.
  • Federal income tax withholding, based on the owner's Form W-4.
  • Federal unemployment tax (FUTA) on the first $7,000 of each employee's wages for 2026; check the current rate and credit in the Form 940 instructions.
  • Quarterly federal payroll returns and year-end Forms W-2, as set out in IRS Publication 15.

Timing the first payroll

The order matters more than the exact date. Paying salary first, or at least alongside distributions, matches the IRS position that reasonable compensation comes before non-wage distributions. Taking distributions all year and then running one large payroll in December is the pattern most likely to raise questions, and it makes quarterly deposits and PFML contributions harder to get right.

Health insurance adds a year-end step. For a shareholder owning more than 2%, premiums paid by the S corporation are included in W-2 Box 1 wages but not in Social Security and Medicare wages. The payroll provider needs those figures before W-2s are produced.

Records to keep

  • Registration confirmations for the EIN, MassTaxConnect withholding and PFML, and DUA if applicable
  • The written note of how the owner's salary was set, updated when duties change
  • Every payroll register, deposit confirmation and quarterly return
  • Forms W-2 and W-3, and the health premium figures used
  • The signed division of responsibilities with the provider and any adviser

The IRS says to keep employment tax records for at least 4 years after the date the tax becomes due or is paid, whichever is later.

Where Murphy fits

Our role is payroll support: helping set payroll up correctly, coordinating with your payroll system so the filings and the books agree, and treating the owner's salary as part of the tax picture. Payroll processing itself is not part of that. Who performs each task, whether that is you, your provider or us, is agreed in writing before any work starts, and we give you a scope and a price in writing at the same time.

Figures on this page were checked against the IRS and Massachusetts sources listed alongside on 28 Sep 2026. They change — confirm the current amount before relying on one.

General information for owner-led businesses, not advice for your specific situation. Tax and accounting rules change, and how they apply depends on facts particular to your business. Talk to us — or to another qualified professional — before acting on anything here.

Common questions

Quick answers

Do I need payroll if I am the only person in my S corporation?
If you work in the business and take money out of it, generally yes. The IRS treats corporate officers as employees and says reasonable compensation must be paid before non-wage distributions. That salary needs withholding, employer payroll taxes and a Form W-2, and in Massachusetts it brings withholding registration and Paid Family and Medical Leave contributions with it.
Does PFML apply to an S corporation owner's own salary?
Mass.gov says an owner paid through a W-2 is part of the covered workforce, except where the business is co-owned by family members or the wages are those of a spouse, minor child or parent. For 2026, an employer with fewer than 25 covered individuals sends 0.46% of eligible wages. The 2027 rate has not been set yet.
When are Massachusetts unemployment reports due?
Employers required to contribute to unemployment insurance file a quarterly employment and wage detail report and pay by 30 April, 31 July, 31 October and 31 January. Whether an owner-officer's wages are covered should be confirmed with DUA. If they are, the 2026 rate for a new employer is 2.42% on the first $15,000 of wages.
Does Murphy run payroll?
We provide payroll support rather than payroll processing: setup help, coordination with your payroll system, and reconciling payroll to your books and returns. Exactly who does each task, you, your provider or us, is written down and agreed before any work starts, because the right split differs from one business to the next.
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