Building a benefits budget: how to forecast next year’s cost before the renewal arrives.
The pieces of a benefits budget, the assumptions that matter most, how fully insured and self-funded budgets differ and how to track variance during the year. Written for the owner, CFO or HR lead.
A Budget Is a Set of Assumptions You Write Down
The number matters less than whether you can explain how you got it.
Start Earlier Than the Renewal
Budgets are built months before the carrier’s final numbers. Use your own data and ranges until the real rate arrives. Write down your assumptions about enrollment, trend and plan design so they can be updated when real numbers arrive. A budget with stated assumptions is much easier to revise than one built on a single guess. You can test your own figures with our benefits cost percent of payroll calculator.
Separate Cost from Contribution
The total plan cost and the employer’s share are different numbers. Decide the employer share after you know the cost. Many budgets blur the two and then discover that a rate increase and a contribution decision are being argued at once. Settle the plan cost first, then choose the employer share on its own terms. For a quick estimate, use our free benefits budget target calculator.
Plan for a Range
Present a base case and a high and low case. Finance teams prefer a range with reasons to a single hopeful number. Name what drives each case, such as enrollment changes, plan design or claims experience. That lets leadership see which assumptions matter and what you would do if the high case arrives. Our free renewal cost sharing calculator turns this into dollars for your plan.
What Goes Into a Benefits Budget
Leave out a piece and the budget will be wrong.
Medical and Pharmacy
Premiums for a fully insured plan, or claims, fixed costs and stop-loss for a self-funded one. The largest line. Break out pharmacy where the data allows, since it often moves differently from medical. Ask your adviser what the quoted figure includes so nothing is counted twice or left out.
Dental, Vision, Life and Disability
Smaller lines that are easy to forget. Add the employer-paid portion and expected changes. Check whether each product is employer paid, employee paid or shared, and whether any rate guarantees apply. Small lines that are missed at budget time are a frequent source of year-end surprises.
Administration
Fees for enrollment technology, COBRA, flexible spending administration and consulting. These fees are often billed separately from premium or buried in other invoices. Collect every vendor contract and list the fee basis, such as per employee per month, so the total is visible in the budget.
Fees and Taxes
Self-funded plans owe an annual research institute fee. Employer payroll taxes on benefits belong here too. Confirm with your adviser or tax professional which fees and taxes apply to your plan type and size. Put them on their own line so they are not forgotten when premium is the focus.
The Five Assumptions That Move the Number
Test each of these before you commit.
Rate or Trend
Use the carrier’s indication when you have it. Before that, use your own experience and a market range, not a national headline. A headline number describes a broad population, not your group. Your age mix, claims history and plan design all shape what a renewal looks like, so keep the placeholder easy to replace.
Enrollment
Headcount, waivers and the tier mix change premium dollars even when rates do not. Build the budget from expected enrollment by tier, not just total employees. A few more families or fewer waivers can move cost noticeably, so review the assumption each month after open enrollment.
Contribution Strategy
A fixed dollar employer share and a percentage share behave very differently when rates rise. With a fixed dollar share, employees absorb increases unless you revisit the amount. With a percentage share, the company absorbs a portion automatically. Model both against likely renewal ranges before choosing.
Plan Changes
A design change at renewal can offset a rate increase. Model it as a separate line. Examples include deductible, copay or network changes. Calculate the expected effect with your adviser and keep it separate from the rate so you can see how much of the result came from each decision.
Large Claims
For self-funded and level-funded plans, set aside a margin for claims above expectation. Ask how your stop-loss attachment point and any aggregate protection work, and what the reserve would need to cover. A reserve is a planning tool, not a prediction, and the amount depends on your risk tolerance.
Fully Insured and Self-Funded Budgets Differ
The risk you hold changes the budget.
Fully Insured
The budget is rate times enrollment. The risk of a bad claims year sits with the carrier and shows up at renewal. Premium is predictable during the year, which makes budgeting simpler. The tradeoff is that renewal pricing reflects the carrier’s view of your group, so keep contingency in the next year’s plan.
Level-Funded
A fixed monthly payment covers expected claims, stop-loss and fees. A refund may come if claims are low, and the next renewal reflects experience. Ask what is included in the monthly payment, how any refund is calculated and what happens if claims run high. Budget on the fixed payment but understand how experience can influence the following year.
Self-Funded
You pay actual claims plus fixed costs. Budget an expected level and a reserve for variance. Review claims reports regularly and compare them with the expected level. The reserve should reflect how much variance the business can absorb, and an adviser can help test it against plausible scenarios.
Moving Between Them
A change of funding changes the budget shape. Compare the expected cost and the worst-case cost, not just the premium. A switch can change cash flow, reserve needs and renewal behavior, not just the monthly figure. Ask for a side-by-side that shows the expected case and the downside before committing.
Deciding How Much of the Increase the Company Absorbs
The employer share is a policy choice.
Hold the Percentage
Keep the employer share the same percentage and let both sides absorb the increase. Employees see the cost rise with the plan. This keeps the relationship between company and employee stable and is easy to explain. The company dollars still rise, so confirm the budget can absorb the higher total before adopting it as policy.
Hold the Dollar Amount
Fix the employer dollars and push increases to employees. It protects the budget and strains retention. It gives finance a firm number, but lower-paid employees may feel the increase most. Consider communicating early and checking whether the resulting employee cost remains reasonable for your workforce.
Share the Increase
Split the increase by a stated rule. Show employees the math. A stated rule, such as splitting by an agreed ratio, is easier to defend than ad hoc decisions. Put it in writing before renewal so the discussion is about the rule, not about individual outcomes.
Tracking Variance
A budget is useful only if you compare it to reality.
Monthly Check
Compare billed premium or paid claims to the budget each month and note why they differ. Keep the explanation short and written, such as an enrollment change or a late-posted claim. Over several months, those notes show whether a variance is a timing issue or a real trend.
Quarterly Review
Look at enrollment, large claims and trend with your advisor. Adjust the forecast. Bring the budget, the monthly notes and any open questions to the meeting. Use it to update the forecast and decide whether the renewal plan still makes sense or needs adjustment.
Mid-Year Flags
If the year is running over, decide early whether to act at renewal or sooner. Options may include plan changes, contribution adjustments or additional reserves, depending on your funding type and contracts. Talking with your adviser early leaves more choices than waiting until renewal paperwork arrives.
The questions that come before the budget meeting.
Six questions employers bring us about benefits budgeting.
When should we start the budget?
About four months before renewal. Start with your own data and update when the carrier gives indications.
What trend should we assume?
Use carrier indications and your own experience, with a range. National headlines are a starting point, not an answer.
How much should we reserve for a self-funded plan?
Enough to cover plausible variation, informed by your stop-loss terms and group size. Your advisor can model it.
Should the budget include HSA contributions?
Yes, if the employer funds them. Treat them as a separate line.
How do we budget for new hires?
Estimate enrollment and tier mix for expected hires, and include waiting periods.
What do we do if the renewal exceeds the budget?
Look at plan design, funding, contribution and market options. Ask early.
Ready? Send us your renewal, or talk it through with someone first. No cost, no obligation.
General information about benefits budgeting, not financial or legal advice. Plan-specific questions belong with your advisors, and we will bring them in.
Related guides.
Underwriting and Claims Forecasting
Forecasting for self-funded and level-funded plans.
Renewal and Funding Strategy
How the renewal and the funding fit together.
Employer Contribution Calculator
Model the cost of different contribution strategies.
Where the Rules Come From.
The laws and rules named on this page link to the statute or regulation they come from. This is general information, not legal or tax advice, and rules change, so check the current text.
COBRA Continuation Coverage (29 U.S.C. 1161)
Requires many group health plans to offer temporary continuation coverage after a qualifying event.
Health Savings Accounts (26 U.S.C. 223)
Tax rules for health savings accounts paired with qualifying high-deductible health plans.
Send us your renewal.
We’ll tell you whether it looks competitive, where we see opportunity, and the five questions we’d put to your carrier. No cost, and no obligation to move anything.
The renewal letter
Your current plan summary
Contribution split by tier
Enrolled counts by tier
Four documents — two more if your group is 50 or more. Nothing else; every extra one is a reason to postpone.
An independent employee benefits consulting firm. We look at the entire benefits program — cost, plan performance, risk and administration.
Switch to CFH. Unhappy with your broker? Your employees won’t notice. You will. →
Cookies on This Site
We use cookies to keep the site working properly and to understand how it is used. You can decline anything that is not essential. See our Privacy Policy for the detail.
- Essential — needed for the site to load and for you to move around it. These cannot be switched off.
- Analytics — tell us which pages get read, so we know what is worth writing more of.
- Advertising — set by third parties such as ad and social platforms to measure and target campaigns.