The name doesn't help. "Cafeteria plan" sounds like something to do with your office lunchroom, and "Section 125" sounds like a legal trap. Neither describes what it actually is. So let's start with the plain version.
What a Section 125 plan actually is
A Section 125 plan is a written employer benefit program that lets employees pay for certain qualified benefits with pre-tax dollars instead of after-tax dollars. That's it. The "cafeteria" name comes from the idea that employees can choose from a menu of benefits.
The pre-tax part is what makes it powerful. When an employee pays for, say, their health insurance premium with after-tax dollars, the IRS already took its cut before that money came out of the paycheck. When the same employee pays for the same premium under a Section 125 plan, the money is deducted from their gross wages before taxes are calculated. That means lower federal income tax, lower state income tax, and lower FICA — for both the employee and the employer.
Who qualifies to set one up
Almost any W-2 employer can establish a Section 125 plan. Sole proprietors, partners in a partnership, and more-than-2% S-corp shareholders can't participate as employees themselves, but their employees can. There's no minimum or maximum company size; the math just becomes more compelling at scale.
You do need:
- A formal, written plan document adopted before benefits begin
- A summary plan description (SPD) distributed to eligible employees
- Annual nondiscrimination testing to confirm benefits aren't tilted toward highly-compensated employees
- Proper payroll integration so pre-tax deductions are calculated and reported correctly
That sounds like a lot of paperwork. In practice, a Section 125 administrator handles all of it. EmployWell builds the plan documents, runs the testing, and integrates with your payroll provider as part of standard onboarding.
What benefits can go in one
The IRS publishes a list of qualified benefits eligible for inclusion in a cafeteria plan. The most common:
- Group health insurance premiums (employee share)
- Dental and vision premiums
- Health Savings Account (HSA) contributions
- Health Flexible Spending Accounts (FSAs)
- Dependent Care FSAs
- Group term life insurance (up to $50,000 of coverage)
- Adoption assistance
- Qualified preventative care benefits — the basis for wellness program FICA savings
Notably not qualified: tuition reimbursement, gym memberships on their own, or general "fringe benefits" without a structured preventative care framework.
How the pre-tax mechanic actually works
Imagine an employee earning $60,000 a year. Without a Section 125 plan, all $60,000 is subject to federal income tax, state income tax (where applicable), and 7.65% FICA. The employer also pays 7.65% FICA on the same $60,000.
Now imagine that same employee participates in a $1,500/year preventative care benefit through a Section 125 plan. The $1,500 is deducted pre-tax, so only $58,500 is subject to FICA. The employee saves about $115 in FICA they would have otherwise paid; the employer saves the same $115. The employee still receives the full $1,500 of wellness program value — they just got it without losing the FICA chunk.
Multiply that by every employee, every paycheck, every year. The numbers compound fast.
Why this matters for wellness programs
A FICA-saving wellness program only works if it's correctly structured under Section 125. The plan documents, nondiscrimination testing, payroll integration, and qualified-benefit definitions all have to line up. When they do, the IRS treats it as fully compliant — and has confirmed that compliance in repeated guidance dating back decades.
When a program isn't properly structured, the IRS treats the deductions as ordinary income. The employer ends up owing back taxes plus penalties. This is the single biggest reason employers should work with a vendor that handles the legal infrastructure end-to-end, not a piecemeal "wellness benefits" provider.
Common myths
"Section 125 is only for big companies."
False. It works for any W-2 employer, with the math becoming more compelling at 50+ employees.
"My broker would have told me about this."
Not necessarily. Most benefits brokers are paid commission on insurance products, not on tax structures. A FICA-saving wellness program isn't an insurance product, so it often falls outside the broker's incentive structure.
"This is too good to be true."
The mechanic has been law for decades. What's changed recently is that vendors like EmployWell now bundle the plan documents, payroll integration, and a substantive wellness program into a single turnkey offering — making something that used to require legal counsel and three separate vendors a 45-day implementation.
How to evaluate fit
The fastest way is a 15-minute qualifying call followed by a Financial Impact Report. We model your specific employee count and compensation structure and show what your projected savings would actually look like.