Key Employee Concentration Test
Written by Justin Goodman, CIC, CISC, CLCS, CEO and Co-Founder, Total CSR
Published: September 30, 2026 · Last reviewed: September 30, 2026
In plain language: A Key Employee Concentration Test looks at how much of a business's sales, client relationships, or technical know-how sit with one or two people. If those people left or died, the test shows how badly the business would be hurt, which tells an agent how much key person coverage to recommend.
Technical definition: A Key Employee Concentration Test is an underwriting and risk-assessment method that quantifies revenue, client, or operational dependency on specific individuals within a business. Agents and underwriters use it to justify key person life and disability insurance limits, often expressed as a percentage of gross revenue or profit attributable to one employee.
Key Employee Concentration Test at a Glance
| Attribute | Detail |
|---|---|
| Also known as | Key Person Dependency Analysis, Key Man Concentration Review |
| Category | Underwriting and risk assessment tool |
| Lines of business | Key Person Life Insurance, Key Person Disability Insurance, Business Overhead Expense Insurance |
| Industries most affected | Professional services, construction, manufacturing, technology startups, family-owned businesses |
| Who bears the risk | The business entity and its owners, lenders, and remaining employees |
| Common solution | Key person life and disability insurance sized to replace lost revenue or profit |
| Also interacts with | Buy-sell agreements, succession plans, business loan covenants |
Key Takeaways
- A Key Employee Concentration Test measures how dependent a business is on one or a few specific individuals for revenue, client retention, or operations.
- Agencies use the test to calculate an accurate key person coverage limit instead of guessing at a round number the client feels comfortable with.
- The most common pitfall is sizing key person coverage to salary alone, which ignores the far larger financial hit from lost revenue, client attrition, or loan default.
- A quick win for agencies is asking for three years of client-by-employee revenue data during account rounding conversations, since most clients have never calculated this themselves.
What Is a Key Employee Concentration Test in Insurance?
A Key Employee Concentration Test is a structured way of asking one question: what happens to this business financially if a specific person is gone tomorrow. The test exists because traditional underwriting tools, like payroll records or organizational charts, do not capture informal dependency. A company can have fifty employees and still collapse if its single rainmaking salesperson or founding engineer disappears.
Carriers and agents run this analysis because key person claims are notoriously hard to value after the fact. A life insurance policy written for a round number like $500,000 may pay out fine on paper, but if the business actually loses $2 million in contracts tied to that person's relationships, the coverage never matched the real exposure. The concentration test forces the conversation earlier, while numbers can still be pulled from books and client rosters.
Consider a regional architecture firm with four partners. One partner, the firm's original founder, holds the relationships behind 60 percent of active contracts. A concentration test applied to this firm would flag that partner as carrying disproportionate revenue risk, even though payroll records show all four partners earning similar compensation. That mismatch between salary and actual business dependency is exactly what the test is designed to surface.
Family-owned businesses show this pattern constantly. A founder who negotiated every major vendor contract personally, with no documented backup relationship, represents concentration risk that a balance sheet alone will never reveal.
How Does a Key Employee Concentration Test Work?
- The data pull. An agent or underwriter requests revenue by client, contract, or project, broken out by which employee originated or manages each relationship.
- The dependency mapping. The data is organized to show what percentage of total revenue, profit, or active contracts trace back to each key individual.
- The concentration score. A ratio or percentage is calculated, often expressed as "Employee A accounts for X percent of gross revenue," creating a defensible basis for coverage limits.
- The coverage recommendation. The agent translates the concentration score into a suggested key person insurance limit, factoring in replacement costs, lost revenue during transition, and any loan covenants requiring coverage.
- The periodic review. The test is rerun annually or after major staffing or revenue changes, since concentration risk shifts as a business grows or diversifies its client base.
Real Claim Examples Involving Key Employee Concentration Test
Software startup loses its sole enterprise sales lead
A twelve-person software company carried $250,000 in key person life insurance on its head of enterprise sales, a figure chosen years earlier with no underlying analysis. When a concentration test was finally run during a policy renewal, it showed this one employee personally controlled 70 percent of signed enterprise contracts. The agency increased coverage to $1.2 million based on documented revenue attribution, and when the employee died unexpectedly eighteen months later, the higher limit covered the actual six-month revenue gap while a replacement was recruited and trained.
Construction firm underinsures its estimating specialist
A mid-size general contractor insured its owner for key person purposes but never evaluated its senior estimator, who alone held the bonding relationships and unit-cost knowledge behind every competitive bid. No concentration test had ever been performed on non-owner staff. When the estimator left for a competitor, the firm lost three major bids in a single quarter with no insurance recovery available, since no policy existed on that individual at all.
Family manufacturing business ties concentration data to a buy-sell agreement
A third-generation manufacturer ran a concentration test as part of succession planning and discovered the outgoing founder still personally managed 40 percent of supplier negotiations despite having "retired" on paper. The agency used this finding to justify a larger key person policy funding the buy-sell agreement, ensuring the business could survive the founder's full departure rather than the partial role the org chart suggested.
Key Employee Concentration Test vs. Key Person Insurance: What Is the Difference?
A Key Employee Concentration Test is the analytical process that measures dependency risk, while Key Person Insurance is the financial product purchased in response to what that analysis reveals. Agents often blur the two in client conversations, but a business can perform the test and choose to accept the risk, self-insure, or restructure operations instead of buying a policy.
| Comparison area | Key Employee Concentration Test | Key Person Insurance |
|---|---|---|
| Primary use case | Quantifying revenue and operational dependency on specific individuals | Transferring the financial loss from a key person's death or disability |
| Coverage / concept type | Underwriting and risk assessment methodology | Life or disability insurance product |
| Typical exclusions | Not applicable; it is an analysis, not a policy | Suicide within contestability period, pre-existing conditions on disability policies |
| Who is most affected by errors | Underwriters and agents setting coverage limits | The business and its lenders or owners after a claim |
| Common mistakes | Using outdated or incomplete revenue data | Sizing the policy to salary instead of test results |
What Are the Most Common Mistakes With Key Employee Concentration Test?
- Agencies often size key person coverage to an employee's salary rather than to documented revenue or profit concentration, leaving a severe underinsurance gap after a claim.
- Producers frequently skip the test entirely for privately held businesses, assuming owner-only coverage is sufficient when a non-owner employee actually carries greater concentration risk.
- Concentration data is sometimes gathered once at policy inception and never refreshed, so coverage limits become stale as the business grows or a key employee's role shifts.
- Some agents confuse concentration testing with simple org-chart review, missing informal dependencies like a single employee holding unwritten vendor or client relationships.
- Loan covenants requiring key person coverage are occasionally satisfied with a minimum policy amount that never matches what a proper concentration test would recommend, creating a compliance gap that surfaces during refinancing.
How to Explain Key Employee Concentration Test to a Client
Explaining Key Employee Concentration Test to a personal lines client
This term rarely applies to personal lines, but if a client owns a small business alongside their personal policies, the conversation shifts to that business. The agent can say: "If your business depends heavily on you or one other person, we want to measure exactly how much, so any coverage we recommend actually matches what you'd lose."
Explaining Key Employee Concentration Test to a small business owner
A CSR might say: "Let's look at how much of your revenue comes through you personally versus your team, because that number tells us how much key person coverage actually makes sense." Following up with, "Most owners are surprised how concentrated their revenue really is once we break it down by client."
Explaining Key Employee Concentration Test to a CFO or risk manager
A producer can frame it this way: "We want to run a concentration analysis on your top revenue generators so the key person limits we recommend are defensible to your board and your lender, not just a round number picked years ago." This framing works especially well when coverage ties directly to loan covenants or buy-sell funding.
Frequently Asked Questions About Key Employee Concentration Test
What percentage of revenue triggers a need for key person insurance?
No universal threshold exists, but many underwriters treat 25 percent or more of gross revenue tied to one individual as a meaningful concentration flag. The right number depends on the industry, profit margins, and how quickly a replacement could be trained or hired.
Does a Key Employee Concentration Test apply to owners or only employees?
The test applies to anyone whose departure would materially disrupt revenue, client retention, or operations, regardless of ownership status. Non-owner employees, such as a top salesperson or lead engineer, often score higher on concentration risk than a titular owner who has stepped back from daily operations.
How often should an agency rerun this test for a client?
Annually at renewal is a reasonable baseline, with an additional review triggered by major staffing changes, a large new contract, or a significant revenue shift. Total CSR's training work with agency teams shows that concentration reviews tied to renewal checklists get completed far more consistently than those left as a discretionary conversation.
Can a business have too many key people to insure?
A business can certainly identify more key employees than it can practically insure, which is exactly why the concentration test exists, to rank dependency risk rather than treat every senior employee equally. Agents typically recommend covering the top one to three individuals whose concentration scores are highest, rather than spreading limited premium dollars thin across the entire leadership team.
Is this test something an insurance agent performs, or does it require an outside consultant?
Agents and producers can perform a basic version using client-provided revenue and contract data, and many agencies build this into their commercial lines account rounding process. Complex cases involving multiple entities, international operations, or contested valuations may benefit from a business valuation specialist or CPA working alongside the agency.
Does the test factor in disability risk the same way it factors in death?
The underlying dependency analysis is identical, but the financial modeling differs because disability creates an ongoing cost, salary continuation plus a replacement hire, rather than a single lump-sum loss. Agencies should run separate coverage calculations for life and disability limits even when using the same concentration data.
Related Insurance Terms
- Key Person Insurance: a life or disability policy purchased by a business on a critical employee, directly informed by the results of a concentration test.
- Buy-Sell Agreement: a legal contract funding the transfer of business ownership upon death, disability, or departure, often relying on concentration test data to set funding amounts.
- Business Overhead Expense Insurance: a disability product covering fixed business costs when a key person cannot work, sized using the same dependency data as a concentration test.
- Contingent Business Interruption: coverage for lost income caused by a disruption at a supplier or customer, a related but distinct exposure from losing an internal key employee.
- Succession Planning: the broader process of preparing for ownership and leadership transitions, which frequently uses concentration test findings to prioritize which roles need formal backups.
Sources and References
- International Risk Management Institute (IRMI). Key Person Insurance.
About the Author
Justin Goodman, CIC, CCIP, CISC, CLCS, CRIS, PCIA, QCLS, MFHR CEO and Co-Founder, Total CSR, Inc.
Justin Goodman is a third-generation insurance broker with over two decades in agency operations. He has trained more than 100,000 CSRs, account managers, and producers in commercial and personal lines coverage, from workers' compensation to construction risk. He was named 2024 Insurance Journal Agent of the Year and one of the nation's top five construction insurance experts by Risk & Insurance. He is the author of Retain, which applies cognitive science research on memory and knowledge transfer to insurance training, and speaks nationally on how agencies build durable technical expertise in their teams.