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What's the Difference Between a Certified and Non-Certified PEO?

Written by Brandon Hartsaw | August 28, 2025 at 6:30 PM

As your company and your staff grows, HR tasks like payroll, compliance, and benefits can start to pile up fast. That’s why many business leaders reach out to PEOs for help. But here’s something important: not all PEOs are created equal—and whether or not they’re certified by the IRS makes a real difference.

A CPEO like Questco gives you bigger protections and saves you from surprise costs, so you and your business are always covered.

Key Points:

  • Only 15% of PEOs are IRS certified, and a CPEO like Questco brings protections that matter for your business.
  • Certified PEOs (CPEOs) help you avoid double taxation and take the guesswork out of tax responsibilities.
  • Becoming a CPEO takes commitment: regular audits, CPA attestations, and keeping up with bonding requirements.
  • Businesses that work with a CPEO like Questco keep their eligibility for key federal tax credits and gain peace of mind that payroll taxes are handled the right way.

 

What Makes a CPEO Different?

Certified Professional Employer Organizations—or CPEOs—have gone through extra steps to prove our reliability to the IRS. However, that doesn't mean it's an endorsement. Certification doesn't mean that the IRS recommends any one company over another, but it does mean the PEO has demonstrated a willingness to meet their strict requirements.

What Does It Take to Become Certified?

  • Bonding: Maintaining a large bond—at least $50,000 or 5% of last year’s payroll tax.
  • Annual Audits: Getting our books reviewed by a CPA every year to stay transparent.
  • Quarterly CPA Checks: Every quarter, taxes are paid on time and filed properly.
  • Annual Fee: Staying certified comes with a recurring cost, too.

Only about 15% of PEOs are actually certified. Why so few? It’s simple: getting and staying certified is hard work. The regular audits, bonding, and CPA checks take dedication — not every company is willing to make the investment. For you, picking a CPEO like Questco means you’re working with a partner who will do things the right way.

 

Benefits of a CPEO vs. a PEO

Switching to a CPEO like Questco could save your business money, time, and a whole lot of headaches. Compared to a standard PEO, Certified PEOs offer unique financial and operational benefits that make a real difference.

The Bottom-Line Benefits

  • No Double Taxation Headaches: Changing payroll providers mid-year? With a standard provider, you might end up paying FICA and FUTA taxes twice. But our CPEO status as a “successor employer” ensures your wage bases roll over smoothly.
  • Simplified Tax Responsibility: Once you pay your Questco invoice (which includes taxes), we take it from there. We’re responsible for making sure those tax payments get to the right places. And if the IRS has questions? They come to us, not you.
  • Keep Your Tax Credits Intact: Federal credits like the Work Opportunity Tax Credit or R&D credits are safe. Plus, with our expertise in tax planning, we may help identify areas where your business may be overpaying and reduce your overall tax liability.

Why a CPEO Outshines a Regular PEO

  • IRS Certification Matters: CPEOs must meet rigorous financial, reporting, and bonding requirements. This extra oversight adds an extra layer of reassurance for your payroll and tax operations—something regular PEOs can’t guarantee.
  • Full Legal Responsibility: As the employer of record, CPEOs like Questco take on full federal payroll tax liability. That means you take on less risk and have simpler dealings with government agencies. Not all PEOs offer that.
  • Minimized Tax Penalty Risks: CPEOs are built for compliance. Direct IRS accountability means fewer errors, late filings, or penalties.
  • Growth Without Worry: As your business scales, compliance becomes even more important. With Questco, you know payroll, taxes, and benefits stay compliant. Our IRS certification ensures we’re always a step ahead, so you don’t have to be.

When you partner with a CPEO like Questco, you’re not just outsourcing payroll and HR. From financial protections to seamless compliance, we help you focus on what matters.

 

Is Your PEO Up to the Task?

Working with a CPEO is bigger than taxes. We help to protect your business and give you peace of mind as compliance gets more complicated. If you're unsure whether your PEO can keep up with your growth, ask yourself:

  • Does your PEO go beyond tax compliance to understand the needs of your industry?
  • Are they proactive about identifying tax credits and savings?
  • Do their solutions adapt and scale as your business grows?
  • Is their technology intuitive and accessible? Does it empower your team?
  • Can they handle multi-state operations and advanced payroll needs seamlessly?
  • Most importantly: Do they deliver consistent, responsive service and clear communication when you need it most?

In other words, you don't just need a CPEO. You need the right CPEO.

IRS certification is a big deal. It shows financial security, accountability, and it proves that strict regulatory standards are being met. But certification alone isn’t enough. A great CPEO should go beyond the basics. They should help protect your business from risk, set you up for long-term growth, and truly make a difference.

At Questco, we combine the reliability of IRS certification with personalized solutions that fit your business. We’re here to do more than just keep you compliant—we’re here to help your business grow and succeed.

Want to see how your PEO stacks up? Download our PEO Scorecard and make sure you’re getting the best protection and value as your business grows.

* The IRS does not endorse any particular certified professional employer organization. For more information on certified professional employer organizations, go to www.irs.gov