Delaware runs one of the smallest and most concentrated small-group markets in the country. There is one clearly dominant carrier, a short list of national competitors, and the whole state sits in a single rating area. That last detail surprises most employers: a Wilmington business and a Lewes business are quoted off the same geographic base, which is not how it works in almost any larger state.
The more important Delaware question is not really which carrier, it is where your employees actually get their care. A state this size means a meaningful share of any workforce crosses into Pennsylvania, Maryland, or New Jersey for specialists, and a plan that looks fine on paper can fall apart if it treats those visits as out of network. This guide covers the carriers writing small-group coverage for Delaware employers and how to pressure-test them on the border question.
TL;DR
Highmark Blue Cross Blue Shield Delaware dominates the state's small-group market, with UnitedHealthcare the other carrier filing standard plans in recent years and Aetna competing mainly through its level-funded product for groups of roughly six or more. Because Delaware is a single rating area, your business location inside the state does not move your premium. The decisive factor is network reach across state lines, since Delaware employees routinely use Philadelphia and Baltimore specialists. Ask about out-of-state network access before you compare plan designs.
Highmark Blue Cross Blue Shield Delaware
Best for: most Delaware employers, and effectively the default unless a competitor beats it on price for your specific census.
Highmark is the Blue Cross Blue Shield licensee for Delaware and holds a larger share of this state's commercial market than a dominant carrier typically holds elsewhere. Its network covers ChristianaCare in New Castle County, Bayhealth in Dover and central Delaware, and Beebe Healthcare in Sussex County, which between them account for most of the hospital care Delawareans receive.
Its other real advantage here is the Pennsylvania connection. Highmark's roots run through western and central Pennsylvania, and the Blue Cross network arrangement gives Delaware members access to Philadelphia-area providers, which matters constantly for New Castle County employers. Plan designs span HMO-style, PPO, and high-deductible HSA-eligible options.
The realistic view is that Highmark will be in nearly every Delaware quote you run, and the question is whether a competitor can undercut it for your particular group without giving up network reach.
Aetna
Best for: healthy Delaware groups of roughly six or more employees who want an underwritten level-funded quote priced beside the incumbent.
Aetna's small-group presence in Delaware today runs through its level-funded product rather than standard ACA plans, and it generally wants groups of about six or more eligible employees. Because level-funded coverage can be medically underwritten, it is most attractive for a genuinely healthy census. Through CVS Health ownership it also brings pharmacy and retail clinic integration that a small employer with hourly staff often finds practical.
For a Delaware employer, Aetna's value is usually competitive tension. Running it alongside Highmark tends to produce a better outcome than quoting the incumbent alone, even if you stay with the incumbent. Confirm hospital access in the specific county where your staff live, since national carriers' Delaware networks are not always as automatic as the Blue plan's.
UnitedHealthcare and Cigna
Best for: Delaware companies with employees living in Pennsylvania, Maryland, or New Jersey, or with staff who travel.
UnitedHealthcare has been the other carrier filing standard small-group plans in Delaware in recent years, and it makes the most sense when your workforce does not sit neatly inside the state. Delaware is small enough that plenty of employers have staff commuting from Chester County, Cecil County, or south Jersey, and a national network handles that without special arrangements.
Cigna's presence for Delaware small groups, where available at all, comes through level-funded arrangements rather than standard plans, so treat it as a maybe and have your broker confirm what your specific group can actually be quoted. Neither national will typically match Highmark on in-state hospital depth, so the case for them is a workforce that genuinely lives across the line, or a price that justifies the trade.
The Border Question That Decides Delaware Plans
Delaware has three counties and a total population smaller than many single metros. That means specialty and tertiary care regularly happens elsewhere. New Castle County families use Philadelphia hospitals and children's specialists. Sussex County residents often go to Salisbury, Maryland for care, or across to Baltimore. Nemours Children's is in Wilmington and draws from the whole region.
This is the practical test for any Delaware small-group quote. Ask the carrier directly: if my employee is referred to a Philadelphia academic center, is that in network, at what tier, and does it need prior authorization? A plan that answers that cleanly is worth more to a Delaware employer than one with a slightly lower premium and a hard state boundary.
It is also why narrow-network products deserve extra scrutiny here. A narrow network priced attractively can be perfectly adequate for routine care in Dover and completely wrong for a family whose child sees a Philadelphia specialist.
One Rating Area, and What That Means
Quick answer: Delaware is a single geographic rating area, so moving your office from Wilmington to Milford does not change your group premium the way it would in a larger state.
Most states are carved into multiple rating areas, and where the business sits can swing the premium substantially. Delaware is small enough to be treated as one. Your rates are driven by the ages of your employees, the plan design you pick, and the carrier, not by which county the office is in.
That simplifies one part of shopping and puts more weight on the rest. With geography off the table, the levers left are census, contribution strategy, plan design, and whether you can create real price competition among a short list of carriers. It also means the usual advice about relocating or comparing office locations for insurance purposes simply does not apply here.
Key Takeaway
In a market this concentrated, the win does not come from finding an obscure carrier. It comes from making the two or three carriers that do write here compete, and from testing each one on out-of-state network access before you look at price. A Delaware plan that handles Philadelphia and Baltimore referrals cleanly is worth more than a marginally cheaper plan that stops at the state line.
Frequently Asked Questions
Will a Delaware small group plan cover my employees who see doctors in Philadelphia?
Often yes, but it depends on the specific plan and network tier, not just the carrier. Blue Cross plans generally handle cross-state care through the national Blue network, and national carriers handle it through their own footprint. What you should not assume is that a narrow-network or HMO-style product does it automatically. Ask the carrier directly how a referral to a Philadelphia academic center is processed before you buy.
Delaware is one rating area, so does my office location change my premium?
No. Unlike most states, Delaware is treated as a single geographic rating area, so a Wilmington employer and a Georgetown employer are quoted off the same geographic base. Your rates come from the ages of your enrolled employees, the plan design, and the carrier. There is no in-state relocation that lowers your group premium.
Only a few carriers write small group in Delaware. How do I get real competition?
You run everything your group can actually be quoted at the same time rather than sequentially. In practice that means Highmark and UnitedHealthcare on matching standard plan designs, with Aetna's level-funded product priced alongside for groups of roughly six or more. Regulated and level-funded designs are never perfectly identical, so compare deductibles, out-of-pocket maximums, and networks line by line. In a concentrated market, that simultaneous comparison is the main source of leverage a small employer has.
Want every Delaware small-group carrier priced on the same plan design, with the out-of-state network question answered up front? Get a free quote from Moran Insurance Group. No broker fees, and we send the comparison back the same day.
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