Section 125 Pricing: Understanding the Cost Structure

You already know a Section 125 plan can save your company money on payroll taxes. The next question is practical: what does it cost to set one up and keep it running?

The short answer is that most businesses spend between $500 and $3,000 in the first year and $3 to $8 per employee per month after that. The long answer depends on what’s included, who you work with, and how many bells and whistles you need.

Let’s walk through the real numbers so you can make an informed decision.

Typical Cost Ranges

Section 125 plan costs break into two buckets: one-time setup fees and ongoing administration.

Setup Fees: $0 to $1,500

The setup fee covers the creation of your Section 125 plan document, the summary plan description (SPD), and initial compliance configuration. Here’s what you’ll typically see:

• $0 setup: Some third-party administrators (TPAs) waive setup fees entirely, especially if they bundle Section 125 with other services like FSA or HRA administration. Be cautious here — the cost often shifts to higher monthly fees.
• $250 to $500: Common for straightforward Premium Only Plans (POPs) that just cover pre-tax health insurance premiums. This is the most common type of Section 125 plan for small businesses.
• $500 to $1,000: Typical for full cafeteria plans that include an FSA, dependent care accounts, or multiple benefit components.
• $1,000 to $1,500: You’ll see this range for complex plans with multiple benefit tiers, custom plan documents, or specialized compliance needs.

Monthly Administration: $3 to $8 Per Employee

Once the plan is running, you’ll pay a monthly per-employee fee that typically covers:

• Payroll integration and deduction management
• Compliance monitoring and nondiscrimination testing
• Employee enrollment support
• Annual plan document updates
• Form 5500 preparation (if required)

A POP-only plan sits at the lower end ($3 to $4 per employee). A full cafeteria plan with FSA administration runs $5 to $8 per employee. Plans with HSA or HRA components may cost slightly more.

For a 25-employee company, expect monthly admin costs between $75 and $200.

What You’re Actually Paying For

It helps to understand what goes into these fees, because Section 125 administration isn’t just paperwork.

Plan Document Creation and Maintenance

The IRS requires a written plan document that spells out exactly which benefits are offered, who’s eligible, and how the plan operates. This document must be legally compliant, and it needs to be updated whenever tax law changes. A good TPA handles this automatically as part of your annual fee.

Compliance Testing

Section 125 plans must pass several nondiscrimination tests each year to make sure the plan doesn’t disproportionately favor highly compensated employees. These include:

• Eligibility test: Enough non-highly-compensated employees must be eligible
• Benefits and contributions test: Benefits can’t be skewed toward key employees
• Key employee concentration test: No more than 25% of total benefits can go to key employees

Failing these tests means losing tax benefits — so this isn’t optional work.

Employee Support

Someone needs to answer employee questions during enrollment, explain how pre-tax deductions affect their pay, and handle mid-year changes (qualifying life events). Quality TPAs provide this either through a help desk or online portal.

Ongoing Administration

Payroll deductions need to be calculated correctly, new hires need enrollment, terminations need processing, and COBRA notifications may need to go out. This is the unglamorous but essential work that keeps a plan running smoothly.

Hidden Costs to Watch For

Not all pricing is transparent. Here are charges that can catch you off guard:

Amendment fees: If you need to change your plan mid-year (adding a new benefit, changing eligibility rules), some TPAs charge $100 to $500 per amendment. Ask upfront whether plan amendments are included.

Nondiscrimination testing fees: Some providers list testing as a separate charge — $200 to $500 annually — rather than bundling it into the monthly fee. Make sure you know.

Form 5500 preparation: Plans with 100+ participants must file Form 5500 with the IRS. Preparation fees range from $200 to $750. Smaller plans may still need to file in certain situations.

COBRA administration: If your plan triggers COBRA requirements, administration is often a separate fee — $2 to $5 per qualified beneficiary per month.

Termination fees: Some contracts include a fee ($250 to $1,000) if you cancel the plan or switch providers before the contract term ends. Read the fine print.

Technology fees: Online enrollment portals, employee self-service dashboards, and mobile apps may come standard or may cost extra depending on the provider.

The ROI Math: Costs vs. Savings

Here’s where it gets interesting. For most businesses, a Section 125 plan pays for itself many times over.

The math for a 30-employee company:

Assume an average salary of $50,000 and an average pre-tax deduction of $4,000 per employee (health insurance premiums).

• Employer FICA savings: $4,000 x 7.65% x 30 employees = $9,180/year
• Annual plan cost: $750 setup (year one) + $150/month x 12 = $2,550 in year one, $1,800/year after that
• Net savings, year one: $9,180 - $2,550 = $6,630
• Net savings, year two onward: $9,180 - $1,800 = $7,380/year

That’s a 3.6x return in the first year and a 5.1x return every year after. Very few business investments deliver those kinds of numbers with essentially zero risk.

For a 100-employee company, the savings scale dramatically. At $30,600 in annual FICA savings against roughly $6,000 in plan costs, you’re looking at a 5x return from day one.

Questions to Ask Providers About Pricing

Before you sign with a TPA, get clear answers to these questions:

1. What’s included in the setup fee? Plan document, SPD, initial compliance review?
2. What’s the monthly per-employee fee, and what does it cover? Is nondiscrimination testing included? What about plan document updates?
3. Are there any additional annual fees? Form 5500 preparation, year-end testing, plan amendments?
4. Is there a minimum number of employees? Some TPAs require 10 or more.
5. What’s the contract term, and are there early termination fees?
6. What does employee support look like? Phone? Email? Portal? Self-service?
7. How do you handle mid-year plan changes? What’s the turnaround time and cost?
8. Can you provide references from companies my size?

Getting these answers in writing before you commit prevents surprises down the road.

Why “Free” Plans Might Not Be Free

Some providers advertise free Section 125 plan setup. While this can be legitimate — especially if you’re also purchasing insurance or FSA administration through them — it’s worth understanding the business model.

Free setup typically means one of three things:

• The cost is bundled into insurance commissions: The broker or TPA earns commission on the insurance products sold alongside the plan. Nothing wrong with this, but understand that you’re paying indirectly.
• Higher monthly fees: The setup cost is amortized into higher ongoing admin fees. Over a few years, you may end up paying more than if you’d paid a one-time setup charge.
• Bare-bones service: The plan document is generic, compliance testing is minimal, and employee support is limited. You get what you pay for.

None of these are necessarily deal-breakers. Just go in with your eyes open.

Budgeting for Your Section 125 Plan

For planning purposes, here’s a quick budgeting guide:

Company Size	Year 1 Total Cost	Annual Cost (Year 2+)	Expected Annual FICA Savings
10 employees	$1,000 - $1,800	$500 - $1,200	$3,000+
25 employees	$1,500 - $3,000	$1,000 - $2,400	$7,600+
50 employees	$2,000 - $5,000	$2,000 - $4,800	$15,300+
100 employees	$3,000 - $8,000	$4,000 - $9,600	$30,600+

Savings based on $50K average salary, $4,000 average pre-tax deduction, 7.65% FICA rate.

The Bottom Line

A Section 125 plan is one of the few business expenses that consistently returns more than it costs — usually several times over. The key is understanding what you’re paying for, comparing providers on total cost (not just sticker price), and making sure compliance is handled properly.

Don’t let cost be the reason you delay implementing a plan. For most small and mid-size businesses, the question isn’t whether you can afford a Section 125 plan — it’s whether you can afford not to have one.

Ready to see how much your company could save? Try our free Savings Estimator to run the numbers for your specific situation.