Payroll Pricing Comparison: PEPM vs. Per-Process (Costs Explained)

Running a small business means you're keeping an eye on every dollar. As an owner, you're juggling multiple roles, from operations and HR to marketing, and you're constantly looking for ways to control costs.

But when it comes to payroll pricing, things aren’t always straightforward. Should you pay per payroll run or per employee per month (PEPM)? And which one actually saves you money?

Payroll can quickly become one of your largest and most inconsistent expenses if you’re not using the right pricing model, so it’s important to find one that works with you, not against you.

In this article, we’ll break down PEPM vs per-process pricing, show real cost examples, and help you decide which model fits your business best.

→ Not sure which pricing model is right for your business? Use our payroll pricing calculator to estimate your monthly costs and compare your options.

What Is Per-Process Payroll Pricing and How Does It Work?

In the per-process payroll model, your business is billed based on the number of employees paid each time payroll is processed. Invoices are typically generated automatically when payroll is run, meaning fees are applied only when employees receive checks. 

Benefits of Per-Process Payroll Pricing

Per-process pricing is best for businesses that only want to pay when payroll is actually run. Here are the main benefits of a pricing model like this: 

• Pay As You Go: You’re only charged when employees are paid, so if someone is on leave or skips a paycheck, you won’t incur a cost for that period.
• Flexibility: For businesses with fluctuating staff, like seasonal operations, this model can be very beneficial. You won’t be stuck paying fees for employees who aren’t actively working.

Downsides of Per-Process Payroll Pricing

However, while the per-process model has been a long-standing method for many payroll providers, the rise of technology in HR services has led to a shift in how billing is done. There are also some potential downsides to consider:

• Incomplete Billing: Many payroll providers now offer services beyond issuing payroll checks, such as HR services, ACA compliance, leave management, and more . While it makes sense to pay per employee for payroll processing, it’s less clear if this pricing structure works well for other services that aren’t directly tied to payroll cycles.
  → This can make it harder to understand your true total payroll and HR costs if services are priced differently.

• Inflated Flat Fees: Many providers that bill in this model also have flat fees incurred each time payroll is processed, making it easier to hide actual processing costs. It’s not as simple as saying, “I’m going to be billed $3 for every employee I pay.”

What is Per Employee Per Month (PEPM) Payroll Pricing?

Many payroll providers have moved to a PEPM model as their offerings have expanded beyond payroll processing to include HR tools, compliance support, and other services.

In this structure, you’re billed a fixed amount per employee, regardless of how many times payroll is processed in a month. The PEPM model allows providers to bill similarly to a technology or software platform that charges “per user” or “per license.”

This model has become more common as payroll providers bundle HR technology and services into a single platform.

Benefits of PEPM Pricing 

PEPM pricing is typically more cost-effective for businesses that run payroll frequently or want predictable monthly costs.

This approach offers several advantages:

• Predictability: If you have a fairly consistent headcount, you can easily predict your payroll costs. Simply multiply your number of employees by the PEPM rate to get a clear estimate of your monthly expenses.
• Simplicity: The PEPM model allows payroll providers to bundle multiple services into a single offering. This can help small businesses consolidate systems and the fees that come with them into one provider.
• Cost Savings on Frequent Payrolls: For businesses that process payroll weekly or bi-weekly, the PEPM model can provide significant savings since you’re not charged per payroll run.

Downsides of PEPM Pricing

That said, the shift to a PEPM billing model has also highlighted some drawbacks that may not work for every business:

• Unnecessary Add-Ons: Some providers offer PEPM packages that include services you might not need. It’s important to carefully review what’s included so you’re not paying for tools or features that don’t add value to your business.
• Less Flexibility: If your workforce shrinks temporarily or your employee list isn’t updated in time, you could end up paying for employees who are no longer active.
  → This can lead to overpaying during periods of turnover or seasonal changes if your headcount isn’t closely managed.

The Numbers Behind Per-Process and PEPM Payroll Pricing

Let’s look at a real example to see how the math works out. Let’s say you run a bakery with 15 employees who are paid every other week.

Per Process Fee Model:

If you pay each of your 15 employees every payroll cycle, your annual payroll costs might look like this:

• $3 per check × 15 employees = $45

• $45 + $40 flat fee per payroll = $85 per payroll run

• $85 × 26 payrolls per year = $2,210 annually

PEPM Model:

With a PEPM model, your costs would look like this (assuming $10.25 per employee per month):

• 15 employees × $10.25 = $153.75 per month

• $153.75 × 12 months = $1,845 annually

In this scenario, the PEPM model saves about $365 per year, and even more if payroll is run weekly.

If you were to run payroll weekly instead:

• $85 × 52 payrolls per year = $4,420 annually (per process)

The more frequently you run payroll, the more cost-effective the PEPM model becomes.

Want to see how these numbers apply to your business?
Use our payroll pricing calculator to estimate your costs under a PEPM model based on your team size and payroll frequency. Then, compare that to your current or expected per-process pricing.

What’s the Verdict on Payroll Pricing Models?

There’s no one-size-fits-all answer here. PEPM is typically more cost-effective for businesses with a consistent team and frequent payroll runs, while per-process pricing works better for businesses with fluctuating staff or infrequent payroll.

Here’s a simple way to think about it:

• Consistency: If your employee count stays steady and you process payroll regularly, the PEPM model often provides a simpler and more predictable cost structure.

• Fluctuations: If your workforce changes often, or employees frequently go on leave, the per-process model may offer more flexibility and prevent overpaying.

• Payroll Frequency: The more often you run payroll, the more cost-effective the PEPM model becomes.
  

How to Choose the Right Payroll Pricing Model for Your Business

In the end, choosing the right payroll pricing model comes down to how your business operates day to day. If you’ve been unsure which model actually saves you money (or worried about hidden costs), you’re not alone.

Now that you understand how per-process and PEPM pricing work, you’re in a much better position to evaluate your options and avoid overpaying.

Your next step is to estimate your payroll costs based on your team size and payroll frequency. Use our payroll pricing calculator to see what your costs could look like under a PEPM model. Then, compare that against per-process pricing to determine which option makes the most sense for your business.

If you’re also evaluating providers, choosing the right partner is just as important as choosing the right pricing model.

That’s why we’ve put together a guide on "How to Choose a Payroll Provider." From must-have features to red flags, it’ll help you make a confident choice you won’t have to rethink down the road.