401(k) · DOL Form 5500 · 2024

Serco Inc. 401(k) Plan

Data updated 2026-08-25

$744M
Total assets Above avg plan size
7,402
Participants Very large workforce
98th
Percentile by assets National rank
$100,533
Avg per participant Below avg balance/head
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Official DOL plan name: Serco Inc. 401(k) Retirement Plan · Sponsored by Serco Inc. · Virginia · Professional & Technical Services

$744M in assets, 7,402 participants

Serco Inc.'s Serco Inc. 401(k) Retirement Plan reported $744M in total assets and 7,402 participants in its 2024 DOL Form 5500 filing, ranking in the 98th 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.

  • #19,896 in Professional & Technical Services (20,173 peers)

Coverage in Virginia

Serco Inc. 401(k) Retirement Plan covers 7,402 participants in Virginia, 9.5x the typical Virginia plan (state average ~782 per filing). Assets: $744M.

#19,896
in Professional & Technical Services (20,173 peers)
+12.6%
assets growth YoY
7.5×
vs typical plan assets (national mean)

Serco Inc. 401(k) Retirement Plan's outsized position by total assets

Serco Inc. 401(k) Retirement Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$744,142,236 Top 2% higher than 98% of 123,620 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 2024

Serco Inc. 401(k) Retirement Plan's large-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Serco Inc. 401(k) Retirement Plan lands in the large band (7,402 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Serco Inc. 401(k) Retirement Plan reported net income fell from $109M in the plan year 2023 filing to $84M in the plan year 2024 filing.
  • Serco Inc. 401(k) Retirement Plan end-of-year assets rose from $661M in the plan year 2023 filing to $744M in the plan year 2024 filing.
  • Serco Inc. 401(k) Retirement Plan reported participants fell from 7,688 in the plan year 2023 filing to 7,402 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Plan-year Form 5500 strip

Filing strip 222902286 · Serco Inc. PY 2024 · 401(k)

Serco Inc. 401(k) Retirement Plan · $744M · 7,402 · 98th

  • PHOTO $744M
  • PHOTO 7,402
  • PHOTO 98th
  • PHOTO 401(k)
  • PHOTO near Envoy Air Inc. 401(k) Plan
  • PHOTO ind #19896

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 Professional & Technical Services retirement plans → · Plans in Virginia →

Serco Inc. 401(k) Retirement Plan in the asset neighbourhood

Gerdau Ameristeel US 401(k) Retirement PlanGerdau Ameristeel US 401(k) …$746MSerco Inc. 401(k) Retirement PlanSerco Inc. 401(k) Retirement…$744MEnvoy Air Inc. 401(k) Plan$744MKelsey-Seybold 401(k) Plan$744MSignet Jewelers Retirement Savings PlanSignet Jewelers Retirement S…$742M
End-of-year total assets ($M) among Serco Inc. 401(k) Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Virginia filing particulars

Total Assets (Beginning of Year)$661M
Net Assets (End of Year)$744M
Net Income$84M
Employer EIN222902286
Plan Effective Date2007-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Serco Inc.)

Sponsor-wide plan assets over time

All Serco Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$744M 34.73166446589676% vs 2022
2024 filing year
$500M$600M$700M$800M 202220232024 $552M $744M ▲ +34.7%
Year Plans Participants Total Assets
2022 1 7,889 $552M
2023 1 7,688 $661M
2024 1 7,402 $744M

Nearby 401(k) Plans in Virginia

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

Serco Inc. 401(k) Retirement Plan vs. nearby 401(k) plans in Virginia, assets vs. participants Scatter plot of 6 data points. 050000100000150000 -1001020304050 Total assets ($B) Participants Serco Inc. 401(k) Retirement Plan, Total assets ($B): 0.744142236 · Participants: 7402Serco Inc. 401(k) Retirement PlanNorthrop Grumman Savings Plan, Total assets ($B): 39.473777135 · Participants: 104719Northrop Grumman Savings Plan401(k) Pension Plan, Total assets ($B): 16.840459887 · Participants: 62869401(k) Pension PlanGeneral Dynamics Corporation 401(k) Plan 6.0, Total assets ($B): 12.395006194 · Participants: 49414General Dynamics Corporation 401(k) Plan 6.0Capital One Financial Corporation Associate Savings Plan, Total assets ($B): 12.04952818 · Participants: 44933Capital One Financial Corporation Associate Savings PlanLeidos, Inc. Retirement Plan, Total assets ($B): 11.790942581 · Participants: 29734Leidos, Inc. Retirement Plan
Serco Inc. 401(k) Retirement Plan vs. nearby 401(k) plans in Virginia, assets vs. participants

Scale composition for Serco Inc. 401(k) Retirement Plan

Serco Inc. 401(k) Retirement Plan reports $744M in end-of-year assets across 7,402 participants (0.006% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.008% of 93,925,755 covered participants) - about $100,533 per participant (73% of the national average assets-per-participant) . Net income for plan year 2024 was $84M.

This plan identity (EIN 222902286, plan #003) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $552M to $744M (+34.7%) while covered participants moved from 7,889 to 7,402 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 7,889 $552M Open filing
2023 7,688 $661M Open filing
2024 · index core 7,402 $744M This page

Serco Inc. 401(k) Retirement Plan's out-of-state 401(k) peers by assets and headcount

Outside Virginia, the nearest 401(k) by assets is Envoy Air Inc. 401(k) Plan in TX ($744M); by covered participants it is Canon Employee Savings and Retirement Plan in NY (7,400 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($744M here).

Similar participant headcount

Nearest other-state filings by covered participants (7,402 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Serco Inc. 401(k) Retirement Plan assets move in 2024? ▼
Serco Inc. 401(k) Retirement Plan grew at a solid clip - up 12.6% during 2024, from $661M to $744M. Reported net income was $84M.
How have Serco Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Serco Inc.'s sponsor-wide assets grew 34.7%, from $552M to $744M.
Where does Serco Inc. 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼
Serco Inc. 401(k) Retirement Plan ranks in the 98th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Serco Inc. 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Envoy Air Inc. 401(k) Plan in TX ($744M, 24,610 participants).
Which 401(k) plans cover a similar participant headcount to Serco Inc. 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Canon Employee Savings and Retirement Plan in NY (7,400 participants, $2.7B in assets).