If you've heard the phrase "ERISA plan" and assumed it was only for large corporations, you're not alone — and you're leaving real money on the table. ERISA-governed self-funded health plans have been the benefits strategy of choice for Fortune 500 companies for decades. And thanks to innovations in stop-loss insurance and third-party plan administration, they're now fully accessible to businesses with as few as two employees.

What Is ERISA?

ERISA stands for the Employee Retirement Income Security Act of 1974. It's a federal law that sets minimum standards for employer-sponsored benefit plans — including health insurance. The law exists to protect employees by ensuring they receive the benefits they're promised and have recourse if something goes wrong.

For employers, ERISA matters for one specific reason: ERISA preempts state law. Self-funded plans governed by ERISA don't have to comply with state insurance mandates, state premium taxes, or state-specific regulations that drive up the cost of traditional, fully insured plans.

What Does "Self-Funded" Actually Mean?

In a traditional fully insured plan, the insurance carrier assumes all the financial risk. You pay premiums; they pay claims. The carrier prices in their profit margin, reserves for risk, and charges state premium taxes. All of that ends up in your renewal quote.

In a self-funded plan, your business assumes responsibility for paying employee health claims directly. You're not paying a carrier to take on risk — you're funding the actual cost of care your employees use. The result: no carrier profit margin, no state premium taxes, and full transparency into what your plan actually costs.

The concern for most small businesses is obvious: what happens if an employee needs a $500,000 surgery? This is where stop-loss insurance enters the picture.

Stop-Loss Insurance: The Safety Net That Makes It Work

Stop-loss insurance caps your exposure. There are two types:

  • Specific stop-loss protects against a single catastrophic claim. If one employee's claims exceed a set threshold — say $50,000 or $75,000 — stop-loss coverage pays the rest.
  • Aggregate stop-loss protects your total plan from an unusually bad year across all employees. If your group's total claims exceed a set percentage of expected costs, aggregate stop-loss absorbs the excess.

With both layers in place, you get the cost advantages of self-funding without the potentially company-threatening financial exposure of going bare.

"Self-funded plans operated under ERISA are exempt from state insurance mandates and state premium taxes — advantages that can represent significant cost savings, particularly for multi-state employers."

— OneDigital, June 2025

Key Benefits of an ERISA Self-Funded Plan

Exemption from state mandates. Every state has a list of benefits that fully insured carriers must include. These mandates add cost whether your employees want those benefits or not. ERISA plans aren't subject to them. You design a plan around what your workforce actually needs.

No state premium taxes. Fully insured carriers pay state premium taxes — typically 2–3% of premium costs — and pass that cost to you. ERISA plans avoid these entirely.

Uniform compliance across states. If your business operates in multiple states, a self-funded ERISA plan runs under a single federal standard rather than a patchwork of state regulations.

Claims transparency. Traditional carriers own your claims data. With a self-funded ERISA plan, you receive detailed reports on what your employees are actually using — that data is the foundation of smart benefits decisions.

Plan customization. You're not choosing from a carrier's pre-packaged menu. You can select networks, design benefit levels, add wellness programs, and structure cost-sharing in ways that reflect your workforce's actual needs.

What About Compliance?

ERISA plans come with real compliance obligations. Employers must provide employees with a Summary Plan Description (SPD), file annual IRS Form 5500 reports, follow nondiscrimination rules, comply with HIPAA privacy standards, and meet ACA requirements. The good news is that most of this complexity is handled by your Third-Party Administrator and benefits consultant.

Is a Self-Funded ERISA Plan Right for Your Business?

These plans work exceptionally well for businesses that have:

  • A reasonably healthy workforce with moderate claims history
  • Stable or growing employee headcount
  • Frustration with annual premium increases they can't control or understand
  • A desire for more plan flexibility and transparency
  • Operations across multiple states
2–3%State premium taxes avoided under ERISA plans
~50%Of U.S. insured employees now covered by self-funded plans
30%+Potential savings vs. ACA small group plans for healthy groups

The Bottom Line

ERISA self-funded plans aren't a workaround or a gimmick. They're the mainstream benefits strategy for the majority of covered American workers — and they have been for decades. The perception that they're only for large employers is simply outdated. With modern stop-loss insurance and experienced TPA support, a business with 10, 20, or 50 employees can access the same structural advantages that have saved Fortune 500 companies billions of dollars.

The question isn't whether these plans are legitimate. The question is whether anyone has ever shown you what one would look like for your specific business.