401(k) · DOL Form 5500 · 2022

Costaff Services, LLC 401(k) Plan

Data updated 2026-08-25

$41M
Total assets Below avg plan size
1,078
Participants Near avg headcount
86th
Percentile by assets National rank
$37,803
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Costaff 401(k) Plan · Sponsored by Costaff Services, LLC · Michigan · Administrative & Support Services

$41M in assets, 1,078 participants

Costaff Services, LLC's Costaff 401(k) Plan reported $41M in total assets and 1,078 participants in its 2022 DOL Form 5500 filing, ranking in the 86th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #4,615 in Administrative & Support Services (4,927 peers)

Where Costaff 401(k) Plan sits by assets

Costaff 401(k) Plan sits in the top quartile of all filed plans by assets, $41M for 1,078 participants (~$37,803/participant), down 18.4% in 2022.

#4,615
in Administrative & Support Services (4,927 peers)
-18.4%
assets change YoY
0.4×
vs typical plan assets (national mean)

The plan reported a net loss of $6M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Costaff 401(k) Plan's outsized position by total assets

Costaff 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$40,752,092 Top 14% higher than 86% of 139,123 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022

Costaff 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Costaff 401(k) Plan lands in the large band (1,078 participants).

EBSA filing schedule strip

Filing strip 383546978 · Costaff Services, LLC PY 2022 · 401(k)

Costaff 401(k) Plan · $41M · 1,078 · 86th

  • BOOK $41M
  • BOOK 1,078
  • BOOK 86th
  • BOOK 401(k)
  • BOOK near Hafele America Co. Retirement Savings and Profit Sharing Plan
  • BOOK ind #4615

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Administrative & Support Services retirement plans → · Plans in Michigan →

Costaff 401(k) Plan in the asset neighbourhood

Costaff 401(k) Plan$41MHafele America Co. Retirement Savings and Profit Sharing PlanHafele America Co. Retiremen…$41MBandai Namco 401(k) Plan 1$41MBandai Namco 401(k) Plan 1$41MSwitch, Ltd. 401(k) Plan$41M
End-of-year total assets ($M) among Costaff 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$50M
Net Assets (End of Year)$41M
Net Income-$6M
Employer EIN383546978
Plan Effective Date2007-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Costaff Services, LLC)

Sponsor-wide plan assets over time

All Costaff Services, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$66M 60.8910089818211% vs 2022
2024 filing year
$30M$40M$50M$60M$70M 202220232024 $40.8M $65.6M ▲ +60.9%
Year Plans Participants Total Assets
2022 1 1,078 $41M
2023 1 1,276 $50M
2024 1 1,422 $66M

Nearby 401(k) Plans in Michigan

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Costaff 401(k) Plan vs. nearby 401(k) plans in Michigan, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -505101520 Total assets ($B) Participants Costaff 401(k) Plan, Total assets ($B): 0.040752092 · Participants: 1078Costaff 401(k) PlanGeneral Motors Retirement Savings Plan for Salaried Employees in the United States, Total assets ($B): 18.071817726 · Participants: 43382General Motors Retirement Savings Plan for Salaried Employees in the United StatesFord Motor Co. Savings and Stock Investment Plan for Salaried Employees, Total assets ($B): 13.833597622 · Participants: 32974Ford Motor Co. Savings and Stock Investment Plan for Salaried EmployeesThe Dow Chemical Company Employees' Savings Plan, Total assets ($B): 9.307640951 · Participants: 16930The Dow Chemical Company Employees' Savings PlanThe General Motors Personal Savings Plan for Hourly-Rate Employees in the United States, Total assets ($B): 7.545889119 · Participants: 40458The General Motors Personal Savings Plan for Hourly-Rate Employees in the United StatesFord Motor Co. Tax-Efficient Savings Plan for Hourly Employees, Total assets ($B): 6.44558193 · Participants: 57811Ford Motor Co. Tax-Efficient Savings Plan for Hourly Employees
Costaff 401(k) Plan vs. nearby 401(k) plans in Michigan, assets vs. participants
Compare Costaff 401(k) Plan side-by-side with 3 peers →

Costaff 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Michigan, the nearest 401(k) by assets is Hafele America Co. Retirement Savings and Profit Sharing Plan in NC ($41M); by covered participants it is Cross Retirement Plan in ME (1,078 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($41M here).

Similar participant headcount

Nearest other-state filings by covered participants (1,078 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Costaff 401(k) Plan assets move in 2022? ▼
Costaff 401(k) Plan declined sharply - down 18.4% during 2022, from $50M to $41M. Reported net income was -$6M.
How have Costaff Services, LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Costaff Services, LLC's sponsor-wide assets grew 60.9%, from $41M to $66M.
Where does Costaff 401(k) Plan rank by assets among Form 5500 filers? ▼
Costaff 401(k) Plan ranks in the 86th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Costaff 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Hafele America Co. Retirement Savings and Profit Sharing Plan in NC ($41M, 457 participants).
Which 401(k) plans cover a similar participant headcount to Costaff 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Cross Retirement Plan in ME (1,078 participants, $91M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 383546978.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.