If you are a Big 4 partner, a 401(k) rollover is one of several choices when you leave. Deferred comp and partner capital follow their own payout rules and do not move into an IRA. The order you take them in may change your tax in your last year.
A Big 4 partner 401(k) rollover is rarely the only decision on the table when you leave Deloitte, PwC, KPMG, or EY. Your 401(k) balance is one account among several, and it follows different rules than your deferred compensation or your partner capital. As an equity partner, you have received K-1 income rather than a W-2, which changes how some of these pieces are taxed and when. Getting the order right tends to matter more than rushing any single move.
What Actually Happens to Your 401(k) When You Leave a Big 4 Firm
Your 401(k) is a qualified plan account, so the rollover mechanics are the same ones any departing employee faces. You can usually leave the balance in the plan, move it to an IRA, or move it into a new employer plan if you join a company that offers one. A direct rollover sends the money straight to the receiving account and avoids tax. An indirect rollover pays the balance to you first, triggers a 20% federal withholding, and starts a 60-day clock to redeposit the full amount. Missing that window can create taxes and penalties that were avoidable.
If your firm plan allowed after-tax contributions beyond the standard limit, part of your balance may be eligible to move into a Roth IRA. That step can be valuable, though it carries its own tax reporting, so it is worth confirming the basis before you act. For the full mechanics, how a 401(k) rollover works covers the choices in more depth.
Deferred Comp and Capital Are Not Part of the Rollover
This is where partner exits differ from a standard job change. Your nonqualified deferred compensation does not roll into an IRA. It pays out on the schedule you elected under Section 409A, and each payment is taxed as ordinary income in the year you receive it. When several years of deferrals land in one year, that income can stack on top of your final partner earnings.
Your partner capital account is a separate matter. The partnership agreement sets when and how your capital is returned, often over a defined period after departure. A partner retirement or income benefit, where a firm offers one, is also ordinary income rather than a rollover asset. None of these accounts move through the 401(k) rollover, so treating them as one bucket is a frequent source of surprise. Coordinating them with building durable retirement income tends to produce a steadier result than handling each in isolation.
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Why the Order and Timing Matter in Your Final Partner Year
Your last year as a partner often carries the highest income of your career. A final K-1, accrued deferred comp, and returned capital can arrive close together. A direct 401(k) rollover itself is not a taxable event, which helps, because it lets you separate the move of the money from the taxation of it. The real question becomes when to recognize the income you do control.
A Roth conversion of rolled funds, for example, may make more sense in a lower-income year after you leave than in your final partner year. Spreading deferred comp payments, where your election allows, can keep more income out of the top bracket and below the 3.8% NIIT threshold. If you plan to change states, the timing of each payment relative to your move can affect state tax as well. Choices you make now can also affect your IRMAA bracket two years later.
Building a Coordinated Plan Before You Leave
The accounts are connected even though the rules are not. A choice about your 401(k) rollover can change the room you have for a Roth conversion, which can shift how you sequence deferred comp, which can affect your tax for years. A planning-first approach looks at the whole picture before any single account moves. That is the idea behind a simple philosophy: Preserve. Strengthen. Grow.™ The aim is to protect what you have built, use the tax rules in your favor, and keep your income durable. A coordinated view of your broader retirement planning is often the difference between an efficient exit and an expensive one.
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Frequently Asked Questions
Can a Big 4 Partner Roll a 401(k) into an IRA?
Yes. A departing Big 4 partner can roll a 401(k) balance into a traditional IRA, just as any former employee can. A direct rollover keeps the move tax free and avoids withholding. The IRA then gives you a wider set of investment options than a typical plan menu offers.
Does Deferred Comp Roll into an IRA Too?
No. Nonqualified deferred compensation cannot move into an IRA. It pays out under your Section 409A election and is taxed as ordinary income when received. Because the schedule is largely fixed once elected, planning around it has to start well before you leave.
What Happens to My Partner Capital When I Leave?
Your partner capital is returned under the terms of the partnership agreement, not through the 401(k) rollover. The timing and form of that return vary by firm and are often spread over a defined period. Knowing that schedule helps you avoid stacking it on top of other income in a single year.
Should I Roll My 401(k) Before or After My Final Year?
It depends on your full income picture, and there is rarely one answer for everyone. A direct rollover is not taxable, so the move itself can happen on either side of year end. What usually matters more is when you recognize income you control, such as a Roth conversion of the rolled funds.
Is a Roth Conversion Worth It After a Rollover?
Sometimes, and the answer turns on your bracket. Converting in a lower-income year after departure may cost less tax than converting during a high partner year. A conversion is taxable in the year you make it, so it tends to work best when you can pay the tax from outside the account. It may not suit every situation.
How Does Leaving the Firm Affect My Taxes?
Leaving can compress several years of income into a short window. Your final K-1, deferred comp payouts, and any returned capital may arrive close together and push you into higher brackets. Thoughtful sequencing can help spread that income, though it cannot remove the tax entirely.
When Should I Get Advice About a Big 4 Partner 401(k) Rollover?
Ideally before you set your Section 409A elections and your departure date, since both are hard to change later. Many partners benefit from planning a Big 4 partner 401(k) rollover alongside their deferred comp and capital, rather than after the fact. If a government or in-house role is your next step, employer and government retirement planning can also affect the rollover choice.
