You hold your employees' retirement savings in trust, which means you answer for how that money is invested, what the plan pays in fees, and whether contributions reach the plan on time.
Signing as trustee placed you under ERISA's fiduciary duties, and those duties are enforceable against you personally. If the plan loses money because you handled it carelessly, a court can order you to reimburse the plan from your own funds.
The bank or recordkeeper named on your quarterly statements may hold the assets and act on instructions rather than make decisions, in which case the decisions the plan needs are still coming from your side of the table.
Your plan is required to carry a fidelity bond, but that bond exists to reimburse the plan for fraud or dishonesty by the people handling its money. It does nothing for you if you're accused of mishandling the plan, which is what fiduciary liability insurance covers.
Four things are worth doing this month: read the trust agreement you signed, confirm what insurance is actually in place, make sure someone is keeping minutes, and ask your advisor what their agreement says they've taken on.
What Did I Agree To When I Signed as Trustee?
Picture your plan's annual review meeting. The advisor asks who the trustee is, you say that you are, and someone follows up by asking what that involves. You know you signed something a few years ago when the plan was set up. Beyond that, you aren't sure what to tell them.
That's a common place to be, and it's worth fixing, because the role turns out to carry considerably more than the signature suggested at the time. What you agreed to was to hold your employees' retirement savings for their benefit rather than the company's, and to answer for how that money is managed. ERISA treats those two commitments as inseparable, which is why the law gives the trustee real authority over the plan's assets and then holds the trustee to a demanding standard in exercising it.
This post explains what that standard asks of you in practice, what it means when people say the role carries personal liability, and the handful of things worth checking before your next meeting. The worksheet below turns those same points into questions about your own plan, with space to write down each answer and a note on which document to find it in.
Featured Worksheet
New Trustee Orientation
A worksheet covering what you signed, what you're responsible for, what to ask each of your providers, and where to find each answer in your plan documents.
The trustee is the person or institution that holds a plan's assets in trust. A trust is a legal arrangement in which one person holds money or property for the benefit of someone else. ERISA requires every 401(k) plan to have at least one, and it gives the trustee authority over the assets that sit in that trust.
Holding that authority is what makes you a fiduciary, and it isn't a judgment call or a matter of how involved you choose to be. Under ERISA, a person is a fiduciary to the extent they exercise authority or control over the management or disposition of plan assets, which is a description of the trustee's role rather than an additional label the plan can decline.
Fiduciary status brings four duties, and they apply to every decision you make about the plan:
Loyalty. You act solely in the interest of the participants, not the company's interest and not your own.
Prudence. You act with the care, skill, and prudence that someone familiar with these matters would use.
Diversification. You diversify the plan's investments to minimize the risk of large losses.
Following the documents. You do what the plan documents require, so long as what they require is consistent with ERISA.
Stated that way the duties sound vague. In a 401(k) they resolve into a short list of concrete responsibilities.
What Are the Responsibilities of a 401(k) Trustee?
Four responsibilities come with the trustee role.
The investments. Someone has to select the funds in the lineup and keep watching them after the selection is made. The Supreme Court has held that the duty to monitor plan investments is a continuing one, separate from the duty to be prudent in choosing them in the first place, so a lineup that was well chosen five years ago doesn't satisfy the duty today. If your plan lets participants direct their own accounts, that doesn't move this responsibility off your desk, because you're still the one answering for the menu they're choosing from.
The fees. The plan pays for recordkeeping, investment advice, and administration, and ERISA permits the plan to pay only those expenses that are reasonable for what it receives. That obligation requires someone to actually know what each provider charges and to have formed a view about whether the plan is getting its money's worth.
Depositing payroll deductions. Money withheld from an employee's paycheck has to reach the plan as soon as it can reasonably be separated from the company's general funds. There are outer limits in the regulation, but they're limits rather than schedules, and a plan that treats them as the deadline is running the deposits later than the standard actually allows.
The record. Decisions need to be written down at the time they're made, while the reasoning behind them is still available. A decision no one recorded is difficult to defend years later, regardless of what the committee actually did at the time.
Is the Trustee the Same as the Plan Administrator?
No. They're two different jobs, though ERISA specifically permits one person to hold both, and your plan document will tell you whether you do.
The trustee's authority runs to the plan's assets. That means holding them and answering for how they're invested and how money moves into and out of the trust.
The plan administrator's authority runs to operating the plan.
That covers determining eligibility, sending participants the notices the law requires, filing the Form 5500, and carrying out what the plan document says. The administrator is whoever the plan document names, and if the document doesn't name anyone, the plan sponsor holds the role by default.
The distinction becomes concrete the moment something goes wrong. If a participant asks why a fund was removed from the lineup, that question belongs to the trustee. If a participant asks why they weren’t eligible to contribute until January, that question belongs to the plan administrator.
Both jobs can carry fiduciary status, but only to the extent the person holding them is actually exercising discretion. Someone who simply carries out what the plan document already dictates isn't acting as a fiduciary in doing so. Find out which roles you hold before you assume someone else is covering the half you haven't been thinking about.
What Is the Difference Between a Trustee and a Custodian?
The two roles sit at different levels of responsibility:
The trustee has authority over the plan's assets and answers for how that authority is used, which is why the role carries fiduciary duties.
The custodian holds assets and settles transactions on instruction. Custodian isn't an ERISA term at all. Providers use it to describe a service, and the word by itself tells you nothing about what that firm has agreed to decide on your behalf.
Neither title tells you who is responsible for a particular decision. The service agreement does. Ask each of your providers what their agreement says they're responsible for, and treat anything the agreements don't cover as still yours.
Is a 401(k) Trustee Personally Liable?
Yes, if you fall short of one of those four duties. That failure is what ERISA calls a breach, and it's worth being precise about what it means, because it isn't the same thing as the plan losing money.
A breach is a failure in how you acted: putting the company's interests ahead of the participants', choosing investments without doing the work to choose them well, or leaving decisions unmade that someone needed to make. When a breach causes the plan a loss, a court can order you to make the plan whole from your own funds.
The scope of that rule matters in both directions, so it's worth reading carefully. Liability attaches to your conduct rather than to your title, which means simply being the trustee doesn't put your house at risk. ERISA judges a fiduciary on the care and prudence behind a decision rather than on how the investment happened to turn out. A fund that dropped in value gets measured by the process that put it in the lineup.
Two further mechanics are worth knowing:
The plan can't pay for your mistakes, but your company can agree to. ERISA bars the plan from covering your own breach, and a provision in the plan documents claiming to relieve you of fiduciary responsibility has no effect. Your company can agree in writing to cover what you owe, an arrangement usually called indemnification. It's worth understanding what that does and doesn't change: you remain the one who is liable, and the company pays. If nobody has put it in writing, raising it is a reasonable thing to do.
You can be liable for someone else's failure. If you know that another fiduciary is falling short of their duties and you make no reasonable effort to remedy it, you can be held liable for their breach alongside your own. Staying quiet in a meeting where something questionable is being decided isn't a neutral position.
Does the ERISA Fidelity Bond Cover the Trustee?
No. The bond and the insurance cover opposite risks:
The fidelity bond reimburses the plan for fraud or dishonesty.
ERISA requires every fiduciary and every person who handles plan funds to be bonded, with limited exceptions for certain banks, insurers, and broker-dealers. The required amount is at least 10% of the funds that person handles, subject to a floor of $1,000 and a ceiling of $500,000. The ceiling rises to $1,000,000 for a plan that holds employer securities and for a pooled employer plan.
Fiduciary liability insurance responds to a claim against you.
It covers the situation where someone alleges that you fell short of your fiduciary duties. It's a separate policy, and nothing in ERISA requires the plan to buy it.
A plan can therefore satisfy the bonding requirement completely while the people running it carry no coverage of their own. Find out which of the two your plan has, and if the answer turns out to be only the bond, that’s a conversation worth having with your insurance broker.
What a New Trustee Should Do First
You're the trustee, the plan's money is held in trust for the benefit of your employees, and you answer for how it's handled. That's manageable. Choosing an investment that later lost money isn't what creates exposure. Your best position is a plan where someone is clearly assigned to review the lineup, check the fees, and record what was decided.
Four things are worth doing this month:
Read the trust agreement. Find out what it says your role is and what authority it gives you. It's the document you signed, and it's worth reading again now that you know what the signature carried.
Check your coverage. Confirm that the fidelity bond exists and that the amount is right, then ask separately whether the plan or the company carries fiduciary liability insurance. These are two different questions and they often get answered as one.
Make sure someone is keeping minutes. If your committee meets and nobody writes down what was decided and why, those meetings won't help you when the decisions are questioned later.
Ask your advisor what they've accepted in writing. Not what they do for you in practice, but what their service agreement says they're responsible for. The written answer is sometimes narrower than the working relationship feels.
Download the New Trustee Orientation worksheet to work through all four against your own plan, and if you'd like help with the trust agreement, we can go through your document with you and tell you what it assigns to you, what it leaves with your providers, and where the gaps are. Schedule a call here or call us at (206) 625-1800.
Featured Worksheet
New Trustee Orientation
A worksheet covering what you signed, what you're responsible for, what to ask each of your providers, and where to find each answer in your plan documents.
A trust is a legal arrangement in which one person holds money or property for the benefit of someone else. It has three parts: the money, the person holding it, and the people it’s being held for. The person holding it is the trustee, and the money isn’t theirs. They’re looking after it for the people who will eventually receive it.
In a 401(k), the money is your employees' retirement savings, you're the one holding it, and they're the ones it belongs to. ERISA says plan assets have to be held for the participants rather than the employer, and can only be used to pay benefits and cover the plan's reasonable expenses. That's why the plan's money sits outside the company's accounts, and it's why the law asks more of you here than it would if you were making decisions about company funds.
Yes. Under ERISA, a person is a fiduciary to the extent they exercise authority or control over the management or disposition of plan assets, and a trustee holds exactly that authority by definition.
Whoever the plan document names, which is usually the company, the retirement plan committee, or you. A directed trustee acts on those decisions rather than making them, and it isn't liable for carrying out directions that follow the plan document and don't conflict with ERISA. The arrangement moves the work of carrying decisions out, not the work of making them.
Generally yes, following whatever process the trust agreement requires, but someone has to take the role because the plan can't operate without a trustee. Resigning also doesn't undo your responsibility for breaches that happened while you served.
Not entirely. A properly appointed investment manager takes on the investment decisions and answers for them, and ERISA provides that a trustee isn't liable for that manager's acts regarding the assets it manages. What stays with you is the responsibility for choosing that manager carefully and for reviewing the arrangement as time goes on.
Yes, if you put it in writing. Your company can agree to pay what you owe if you're found to have fallen short of your duties, an arrangement usually called indemnification. You remain the one who is liable and the company pays. What can't happen is the plan itself paying, and a plan provision claiming to relieve you of fiduciary responsibility has no effect.
Electronic Code of Federal Regulations, 29 CFR 2509.75-4, Interpretive bulletin relating to indemnification of fiduciaries — https://www.ecfr.gov/current/
Important Disclosures
First Hill Trust Company is a Washington State-chartered trust company. Investment advisory services are provided by BAC Capital Advisors, an SEC-registered investment adviser and a wholly owned subsidiary of First Hill Trust Company. Registration does not imply a certain level of skill or training. This article is educational. Neither First Hill Trust Company nor BAC Capital Advisors is acting as ERISA counsel or tax counsel to any plan or plan sponsor, and nothing here replaces advice from qualified counsel about your own plan.
Accuracy and currency. Statutory provisions and regulatory descriptions in this article were checked against the cited primary sources as of the date of publication, but First Hill Trust Company and BAC Capital Advisors make no representation or warranty as to the accuracy, completeness, or timeliness of the information, and accept no liability for actions taken in reliance on it. Regulations and guidance change. Confirm current requirements with qualified counsel.
Educational purpose only. Provided by First Hill Trust Company for general informational and educational purposes only. It is not legal, tax, accounting, investment, or fiduciary advice, does not constitute a recommendation regarding any plan, investment, strategy, or course of action, and does not consider any recipient’s specific circumstances. Consult your own qualified advisors before acting.
No offer, agreement, or commitment. Nothing in this material constitutes an offer, solicitation, agreement, or commitment to provide any particular service or to assume any particular responsibility. Descriptions of what a trustee, administrator, adviser, committee, employer, or other party “may” or “can” do are illustrative of how such arrangements commonly work and do not describe the terms of any specific engagement. The actual services provided, the allocation of responsibilities, the scope of any delegation, and the duties of any party are governed solely by the applicable plan documents, trust agreement, advisory agreement, and written service agreements. In the event of any inconsistency, those documents control.
Services and regulatory status. First Hill Trust Company and its affiliates offer retirement plan services, recordkeeping and administrative services, trust and fiduciary services, investment advisory services, and group benefits services, in each case subject to applicable regulatory requirements and the terms of the relevant agreements. Not all services are offered to all clients, in all states, or in all circumstances. Investment advisory services are offered through an affiliated investment adviser; a copy of its Form ADV Part 2A is available upon request. Insurance and group benefits products are offered through appropriately licensed entities. The availability and scope of any service depend on eligibility and the applicable agreements.
Fiduciary status under ERISA. Fiduciary status under the Employee Retirement Income Security Act of 1974, as amended (“ERISA”), is determined based on the functions performed and the authority exercised, not on titles or labels. Whether any particular party is acting as a fiduciary, and the scope of any related duties or potential liability, depends on the facts and circumstances specific to the plan and the relationship. Engaging a trustee, adviser, or other service provider does not eliminate a plan sponsor’s or committee’s own fiduciary responsibilities, including the duties to prudently select and monitor any party to whom responsibilities are delegated.
Affiliated entities and conflicts of interest. First Hill Trust Company is affiliated with other entities, including an affiliated investment adviser and entities providing administrative, trust, or other services. These relationships may create conflicts of interest, including where an affiliate is engaged or compensated in connection with a plan. Such conflicts and compensation are described in the applicable service agreements and the affiliated adviser’s Form ADV Part 2A; fiduciaries should consider them when evaluating any engagement.
Statutory and regulatory references. References to ERISA, the Internal Revenue Code, and related statutory or regulatory provisions are general summaries only. They are not a substitute for review of the actual statutory text, regulations, or guidance from the Department of Labor, Internal Revenue Service, or other relevant authorities, and they do not address how those provisions may apply to any particular plan, sponsor, fiduciary, or individual. Laws, regulations, and guidance are subject to change and to interpretation by the relevant agencies and courts. Examples, categories, and situations described are simplified for illustration and may not reflect the requirements or circumstances of any particular plan or person.
No guarantee of results; investment risk. References to governance, fiduciary practices, risk reduction, or outcomes describe common industry approaches and potential benefits, not promises or guarantees of any result, of compliance, or of protection from liability, loss, or claims. All investing involves risk, including possible loss of principal; diversification does not ensure a profit or protect against loss. Past performance does not guarantee future results. For more information, contact First Hill Trust Company at (206) 625-1800.
What separates a directed trustee from a discretionary one, who ends up responsible for the plan's investment decisions under each, and how to tell which arrangement your plan is using.
This post covers what serving as your own 401(k) trustee actually involves, how the role changes once employees join the plan, what you personally take on, and what a corporate trustee does and doesn't change.
A 3(38) investment manager covers two of a 401(k) plan's six fiduciary responsibilities. A discretionary trustee can take all six. This post maps each role against the full list.