Cuatro Benefits Logo


Fully Insured Health Plans


This is what most small to mid-sized employers usually think of when they think about health plans.

A fully insured group health insurance plan is a traditional employer-sponsored health plan where the employer pays a fixed premium to an insurance company, and the insurance company takes on the financial risk of paying covered medical claims.

How fully insured health plans work

--> The employer pays monthly premiums to the insurer

--> Employees may also contribute through payroll deductions

--> The insurance company pays covered claims according to the plan terms

--> The insurer, not the employer, is responsible if claims are higher than expected

--> The employer’s cost is generally predictable for the plan year

In simple terms:
 The employer buys health coverage from an insurance company, and the insurer handles the risk and claims payments.

Common features of fully insured health plans

--> Fixed monthly premiums

--> Lower financial risk for the employer

--> Claims handled by the insurance carrier

--> Subject to state insurance regulations

--> Renewal rates based on factors like claims experience, market trends, employee demographics, and plan design

The major national carriers for fully insured health plans – Blue Cross Blue Shield, Cigna, United Healthcare, and Aetna – are often referred to as the “BUCAs”.

CuatroBenefits Insights:

Historically, the main downside of fully insured health plans is that if claims are lower than expected, the employer usually does not receive a refund. It’s profit for the insurance company. Over the past two decades, as fully insured plan renewal cost increases have far outpaced inflation, the affordability and sustainability of fully insured health plans have become major concerns for employers. Throw in lack of significant access to plan data and no ability for employers to take any control of their plans, and you get extremely unhappy employer group clients. This has led to significant market growth for many versions of self-funded health plans for small and mid-sized employers.

Fully Insured Health Plan FAQs:


With a fully insured plan, you pay a fixed premium and the insurance carrier takes on all the risk of paying claims — simple and predictable, but you give up visibility and control. Level-funded and self-funded plans shift some of that risk, and the potential reward, back to you, along with the claims data you need to actually manage your costs.

In simple terms: fully insured is the most hands-off option, and the other funding types trade a little predictability for more transparency and long-term savings potential. We're happy to walk you through where your organization falls on that spectrum.

Usually not in much detail. Most carriers won't share meaningful claims data for groups under 50 to 100 employees, which means you often can't see what's actually driving your renewal increases — or push back on them. That lack of transparency is one of the main reasons employers eventually explore level-funded or self-funded options. If understanding your own numbers matters to you, it's worth a conversation.

On a fully insured plan, your renewal is driven largely by the carrier's broader pool and overall market trends, not just your group's actual claims. Because you don't own the risk or the data, a healthy year doesn't necessarily translate into savings, and you have limited ability to challenge the increase. Employers who want their good years to work in their favor often start looking at other funding strategies, and we can help you compare.

For many small or lower-risk groups, yes — especially if you value simplicity, want zero claims-cost volatility, or have known high-cost claimants. There's nothing wrong with fully insured; it's where most employers start. Our job is to make sure it's a deliberate choice rather than a default. We'll review your situation openly and tell you honestly whether staying fully insured or exploring another option makes more sense.

Get in touch with CuatroBenefits!

Which plan options are you interested in? (Check all that apply)