Offering a base plan and a buy-up lets employees who want richer coverage pay the difference themselves. Done well it improves satisfaction and reduces company spend at the same time, which is rare enough to be worth understanding.
Done badly it produces a second plan nobody chooses and a longer enrollment meeting.
The mechanism
The company sets its contribution against the base plan. Employees who want the richer option pay the difference in premium out of their own pay.
So the company’s cost is anchored to the cheaper plan while the offer looks more generous. That is the whole trick, and it is legitimate — the employee genuinely gets a choice they did not have.
When it works
Mixed circumstances in the workforce. A team where some people use almost no care and others manage a condition. One plan cannot suit both; two can.
A meaningful gap between the options. If the buy-up is only slightly richer, nobody moves and you have added administration for nothing. The two plans should feel like different answers.
Enough people to spread it. Carriers set minimum enrolment for each plan offered. Below a certain size the second plan may not be writable at all — ask before designing around it.
Someone able to explain it. Two plans require an enrollment conversation. If that falls to an office manager with a day job, the choice becomes noise.
When it does not
Very small groups. At eight or ten people, carrier minimums and administrative overhead usually outweigh the benefit.
When the base plan is not genuinely adequate. A buy-up structure where the base is unusable is a pay cut with extra steps. Employees notice.
When you cannot articulate the difference in one sentence. If the distinction takes a paragraph, most people will pick the cheaper one and hope.
The version people forget
You do not have to split by richness. Two plans can differ by network instead — a narrower, cheaper network for people near the metro, and a broader one for staff spread across three states.
For a company hiring across Washington, Oregon and Idaho, that is often the more useful axis than deductible. Someone in eastern Oregon on a Seattle-centric network is effectively uninsured for routine care, and no deductible change fixes that.
What it costs administratively
More than nothing and less than people fear.
Two sets of materials. A longer enrollment meeting. Two sets of elections to track. Payroll deductions at two rates. If your broker runs open enrollment, most of that is theirs rather than yours — which is worth asking about specifically.
How to test whether it is worth it
Ask for both structures priced: single plan, and base-plus-buy-up. Look at:
- the company’s total annual cost under each;
- the employee paycheck effect at each tier, on each plan;
- the carrier’s minimum enrolment requirement for a second plan;
- how many employees you would actually expect to buy up.
That last one is a judgement, and the honest version is usually smaller than the optimistic version. If the expected take-up is two people, the second plan is probably not earning its keep.
The order it belongs in
After the contribution split, which moves more. Before changing carriers, which disrupts more.
That is roughly the rule for all of plan design: adjust the things that do not change anyone’s doctor before you adjust the things that do.
General information, not advice
This describes how group benefits generally work for companies of this size in Washington, Oregon and Idaho. It is not advice about your company, and it is not legal, tax or actuarial advice.
Roster Benefits Group LLC is a licensed insurance producer and appointed broker. We are not a law firm, not a certified public accounting firm, and not a third-party administrator. Anything turning on how a law applies to your facts needs your own counsel.
