Aecom 401(k) Plan: Login, Facts & Contact Information
Aecom 401(k) Login
12,707 former Aecom employees still have money in this plan.
Retirement plan providers can change. This information is from the plan's 2024 filing.
Aecom 401(k) Plan Facts
Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Sep 29, 2025. Public filing with the U.S. Department of Labor.
Money in and out in plan year 2024
- $260.8 million went into the plan in contributions, $49.7 million of it from the employer (19%).
- $660.0 million was paid out to participants.
- Investment and other income added $931.9 million.
- Administrative expenses were $1.46 million, about $47 per account.
How the Aecom 401(k) changed, 2019–2024
| Plan year | Participants | Plan assets | Employer contributions | Benefits paid |
|---|---|---|---|---|
| 2019 | 45,016 | $5.97 billion | $67.3 million | $598.2 million |
| 2020 | 46,970 | $6.10 billion | $51.4 million | $1.00 billion |
| 2021 | 37,226 | $6.72 billion | $43.8 million | $632.6 million |
| 2022 | 35,103 | $5.47 billion | $45.1 million | $479.2 million |
| 2023 | 34,971 | $6.25 billion | $47.9 million | $509.3 million |
| 2024 | 34,502 | $6.78 billion | $49.7 million | $660.0 million |
Aecom 401(k) Contact Information
Questions about the Aecom 401(k)
Does Aecom contribute to the 401(k)?
Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $49.7 million, 19% of all contributions.
Does the Aecom 401(k) have automatic enrollment?
Yes. The plan reports automatic enrollment of eligible employees.
How many people are in the Aecom 401(k) plan?
34,502 participants at the start of plan year 2024, 17,515 of them active employees, and 12,707 former employees who still had money in the plan.
What is the average 401(k) balance at Aecom?
About $215,585 per account: $6.78 billion in plan assets across 31,444 accounts with a balance at the end of plan year 2024.
Who manages the Aecom 401(k) accounts?
Merrill Benefits OnLine (listed on the filing as MERRILL LYNCH, PIERCE, FENNER AND S) is the plan's recordkeeper, which is where participants log in to see their balance.
I no longer work at Aecom. How do I access my 401(k)?
Your account stays with Merrill Benefits OnLine after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.