Offering group health insurance is one of the most valuable benefits an Illinois employer can provide. Whether you run a 3-person startup in Chicago or a 200-employee manufacturer downstate, the right group health plan helps you attract talent, retain employees, and keep your workforce healthy and productive. This guide covers your main options for 2026 and how Illinois Health Agents can help you navigate them at no cost.
Your Main Group Health Insurance Options in Illinois
Illinois employers generally have four primary structures to choose from. Each has different risk profiles, flexibility levels, and ideal group sizes.
Fully Insured
The carrier assumes all risk. You pay a fixed monthly premium and the insurer pays claims. Simplest option for small groups under 25.
Level Funded
A hybrid model with a fixed monthly payment and the potential for a year-end surplus refund if your group has low claims. Popular for groups 10-150.
Self-Funded
Employer pays claims directly. Maximum flexibility and claims data visibility. Typically suited for 100+ employees, governed by ERISA.
ICHRA
Individual Coverage HRA lets employees buy their own ACA plans using employer-funded tax-free dollars. No group plan required.
Illinois Group Health Insurance Carriers We Work With
Illinois Health Agents is an independent brokerage. We are not captive to any single carrier, which means we can shop all of the following carriers on your behalf and present an objective comparison.
| Carrier | Plan Types | Best For |
|---|---|---|
| BCBS of Illinois | HMO, PPO, POS, HDHP, Level Funded | All group sizes, broadest IL network |
| UnitedHealthcare | HMO, PPO, Navigate, Surest | Mid to large groups, multistate employers |
| Aetna | HMO, PPO, HDHP, Level Funded (AFA) | Groups 10-200, CVS Health integration |
| Cigna | OAP PPO, LocalPlus HMO, Level Funded | Groups wanting Evernorth pharmacy |
| Humana | HMO, PPO, HDHP | Mid-size groups, Go365 wellness |
| Sana Benefits | Level Funded with DPC | 5-500 employees, startups, professional services |
| Surest (UnitedHealthcare®) | No-deductible flat copay | Employers wanting cost transparency |
| Allied National | Self-funded, small group | 2-50 employees, hourly workforce |
| Trustmark | Level funded, voluntary benefits | IL-headquartered, small/mid groups |
| Angle Health | Self-funded, tech TPA | 25-500 employees, claims transparency |
| Allstate Benefits | Supplemental / voluntary | Employers adding accident, CI, disability |
| Health Alliance | HMO, PPO, HDHP | Central/downstate IL employers |
Why Use an Independent Illinois Broker?
An independent broker like Illinois Health Agents works for you – not for an insurance company. Here is what that means in practice:
- No cost to employers: Brokers are compensated by the carrier you choose. You pay nothing extra for our services.
- Multi-carrier comparison: We pull quotes from all major Illinois group carriers simultaneously, so you see an apples-to-apples comparison.
- Compliance guidance: We help you navigate ACA employer mandates, Illinois state insurance requirements, Section 125 cafeteria plans, and annual reporting obligations.
- Renewal management: We review your renewal each year and re-shop the market if a better deal exists.
- Employee support: We help your employees understand their benefits, select the right plan, and resolve billing or claims issues throughout the year.
Frequently Asked Questions: Illinois Group Health Insurance
How many employees do I need to offer group health insurance?
In Illinois, you generally need at least two eligible employees (including the owner) to qualify for a small group plan. Some level funded and self-funded carriers allow groups starting at two or three employees. The ACA’s employer mandate applies to businesses with 50 or more full-time equivalent employees (Applicable Large Employers, or ALEs).
Is group health insurance required for Illinois employers?
Employers with fewer than 50 full-time equivalent employees are not required by federal law to offer health insurance. However, ALEs (50+ FTEs) must offer minimum essential coverage to at least 95% of full-time employees or face potential IRS penalties under the Employer Shared Responsibility provisions.
What is the minimum employer contribution in Illinois?
Most carriers require employers to contribute at least 50% of the employee-only monthly premium. Some carriers allow lower contribution levels for level funded or self-funded arrangements. There is no Illinois state law that mandates a specific employer contribution percentage beyond carrier underwriting requirements.
Can Illinois small group plans exclude pre-existing conditions?
No. Under the ACA, all fully insured small group plans in Illinois (2-50 employees) must accept all applicants regardless of health history and cannot impose pre-existing condition exclusions. Level funded and self-funded plans use medical underwriting but must include stop-loss insurance to protect against large claims.
When can I enroll my employees in a group health plan?
Most carriers offer a January 1 or any-month effective date for group plans. New hires typically have a waiting period of up to 90 days (the ACA maximum). Special enrollment periods apply when employees experience qualifying life events such as marriage, birth of a child, or loss of other coverage.
Are group bronze plans HSA compatible?
Not automatically. “Bronze” only describes actuarial value, roughly 60% of covered costs paid by the plan on average. It tells you nothing about HSA eligibility. Only a plan the carrier specifically labels HSA-qualified (a high deductible health plan, or HDHP) can be paired with a Health Savings Account.
For the 2026 plan year, the IRS requires a qualifying HDHP to have:
- A deductible of at least $1,700 for self-only coverage or $3,400 for family coverage
- Out-of-pocket maximums no higher than $8,500 self-only or $17,000 family
- No benefits paid before the deductible is met, other than preventive care
That third rule is where most bronze plans fail. Plenty of small group bronze plans clear the deductible minimum easily but include copays for office visits, urgent care, or generic drugs that apply before the deductible. Those are still perfectly good bronze plans; they just cannot be paired with an HSA.
One trap on family coverage: if a bronze HDHP uses an embedded individual deductible, that embedded amount must be at least $3,400 in 2026. If it is lower, no one on the plan can contribute to an HSA.
How to check: look for “HSA” or “HDHP” in the plan name on the carrier’s small group rate sheet, or open the Summary of Benefits and Coverage, where qualified plans state it directly. If you want us to flag which bronze options on your renewal are HSA compatible, call 312.726.6565.
2026 HSA contribution limits are $4,400 for self-only coverage and $8,750 for family coverage, plus a $1,000 catch-up contribution at age 55 and older.
Benefits Administration and HR, Without Adding Headcount
Choosing a plan is the easy part. What actually costs Illinois employers time is everything after: enrollment, new hires, terminations, compliance filings, billing errors, and the employee who cannot find their ID card. We take that on as part of being your broker, at no additional cost.
The platform we run your benefits on✓ No cost to your company. We cover the platform fee for our group clients.
Employee Navigator is the benefits and HR platform used by more than 175,000 employers, with direct connections to 500+ carriers and payroll providers. Most brokers either charge employers for it or do not offer it at all. If you do not have an enrollment portal today, this is usually the single biggest upgrade to your benefits operation, and it costs you nothing.
- We build and maintain your plan libraryEvery plan, rate, contribution rule, and eligibility class gets loaded and kept current by us. There is nothing for your HR staff to configure.
- Your employees enroll themselvesStaff log in from a phone or laptop, compare plans, see their real per-paycheck cost, and elect coverage. New hires onboard the same way.
- Elections flow straight to the carriersWe handle carrier submissions and feeds. No more spreadsheets emailed back and forth, and far fewer enrollment errors to unwind in March.
- You use it all yearOnboarding, new hire and termination processing, ACA reporting, PTO tracking, and document storage, plus a permanent record of who elected what and when.
Watch the 4 minute overview of Employee Navigator: all in one benefits, HR, and compliance.
Already running payroll somewhere? We work inside it.
You do not have to move platforms to work with us. We are a registered broker partner with the major payroll and HR systems, which means we can be assigned to your existing account and administer your benefits there. Your team keeps the login they already know, and deductions stay in sync with payroll instead of being retyped every month.
Benefits and payroll in one place, popular with Illinois startups and small teams. We are a registered Gusto broker partner.See how we work in Gusto →
Payroll, HR, and IT in a single system. As a registered Rippling broker partner we can be assigned to your account and manage benefits inside it.See how we work in Rippling →
Run payroll on ADP Workforce Now or RUN? We are an ADP broker partner and can be appointed as broker of record on your benefits.
We are a Paylocity broker partner, so your benefits, deductions, and enrollment data stay inside the system your managers already use.Not on any of these? We also work in Employee Navigator, Ease, and most carrier portals, and we will tell you honestly if your current setup is fine as is. We do not get paid to move you.
What we take off your plate
Most small and mid sized Illinois employers do not have a dedicated benefits person. The work still exists, so it lands on an office manager, a controller, or the owner. Bringing us on adds that capability without adding headcount:
- Compliance oversight. ACA tracking and 1094/1095 filing, Section 125 and POP documents, COBRA administration, 5500 filings where required, and notice distribution. We watch the deadlines so a missed form does not turn into a penalty letter.
- Benefits administration. Enrollment builds, new hire and termination processing, qualifying life events, dependent verification, and carrier eligibility corrections. Your HR contact sends one email and it is handled.
- Brokerage and market analysis. Full market shopping across every carrier we represent, renewal analysis, contribution modeling, and a plain English recommendation. Independent, so the answer is not predetermined.
- Day to day employee support. Your employees call us directly about ID cards, claims, billing errors, and which plan covers what. That volume never reaches your desk.
The point is simple. Benefits and the HR work around them should take a few hours of your month, not a few days. You run your business, we run the plan.
Free Illinois insurance tools
Budgeting a group plan for your Illinois business? Start with the numbers.