What Is a Top Hat Plan Under ERISA?
The phrase “top hat plan” sounds almost old-fashioned, but it’s a real, still-used category under federal retirement law, and it describes a plan that intentionally skips most of the protections built into more familiar plans.
The short answer
A top hat plan is a type of unfunded, nonqualified deferred compensation arrangement that’s limited to a select group of management or highly compensated employees, and because of that narrow scope, federal law exempts it from most of the participation, funding, and fiduciary rules that apply to broad-based retirement plans. It still has to satisfy basic reporting requirements, but it operates largely outside the regulatory structure that protects a typical 401(k).
Where the name comes from
The term isn’t a formal statutory phrase so much as shorthand that’s stuck around in practice, referring to a plan meant for the small group of employees senior enough to be pictured wearing a top hat — company executives and other highly compensated staff. The underlying law, the Employee Retirement Income Security Act, sets out specific requirements for retirement plans covering rank-and-file employees, but it carves out an exception for plans that are unfunded and limited to this select group, on the theory that such employees are positioned to negotiate their own protections rather than needing the law’s default safeguards.
What ERISA exempts it from
This is the core of what makes a top hat plan different from a plan like a 401(k). Broad-based qualified plans are subject to detailed rules around participation, vesting, and funding, along with strict fiduciary duties that govern how the people managing the plan must act. A top hat plan is exempt from nearly all of that. It doesn’t need to be funded through a segregated trust, doesn’t have to meet minimum participation standards, and isn’t subject to the same fiduciary scrutiny — though it still must be reported to the relevant federal agency with a brief statement identifying the plan and its employer.
Why it’s usually unfunded
“Unfunded” in this context is a specific and important word. It generally means the employer hasn’t set aside dedicated assets to which the employee has a legal claim; instead, the benefit is simply a contractual promise to pay in the future, similar in spirit to other forms of nonqualified deferred compensation. Being unfunded is actually part of what preserves the plan’s favorable tax treatment and its exemption from ERISA’s funding rules — if the employer set aside money in a way the employee could actually claim today, the arrangement would likely be treated differently for tax purposes.
What that means for the employee
Because a top hat plan isn’t funded through a protected trust, the promised benefit generally remains a general obligation of the employer, exposed to the same risks as any other unsecured company liability. That’s a meaningful trade-off in exchange for the plan’s flexibility and tax deferral. It’s also worth knowing that eligibility for a top hat plan is restricted by design — it isn’t available to the broader workforce, and that limited-group requirement is part of what allows it to skip the standard protections in the first place.
What to weigh
A top hat plan can be a useful piece of an overall compensation package for the select employees eligible for one, but it operates on a fundamentally different foundation than a qualified plan. Understanding that the benefit is a promise rather than a protected account is the starting point for evaluating how much weight to give it relative to other retirement savings.