401(k) · DOL Form 5500 · 2024

Willis Towers Watson US LLC 401(k) Plan

Data updated 2026-08-25

$4.5B
Total assets Very large vs avg
16,510
Participants Very large workforce
100th
Percentile by assets National rank
$270,759
Avg per participant High balance/head
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Official DOL plan name: Willis Towers Watson Savings Plan for U.S. Employees · Sponsored by Willis Towers Watson US LLC · Virginia · Professional & Technical Services

$4.5B in assets, 16,510 participants

Willis Towers Watson US LLC's Willis Towers Watson Savings Plan for U.S. Employees reported $4.5B in total assets and 16,510 participants in its 2024 DOL Form 5500 filing, ranking in the 100th 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.

  • #20,139 in Professional & Technical Services (20,173 peers)

Coverage in Virginia

Willis Towers Watson Savings Plan for U.S. Employees covers 16,510 participants in Virginia, 21x the typical Virginia plan (state average ~782 per filing). Assets: $4.5B.

#20,139
in Professional & Technical Services (20,173 peers)
+8.5%
assets growth YoY
45×
vs typical plan assets (national mean)

Willis Towers Watson Savings Plan for U.S. Employees's outsized position by total assets

Willis Towers Watson Savings Plan for U.S. Employees vs every filed plan by assets

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

$4,470,229,128 Highest reported value at or above every one 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

Willis Towers Watson Savings Plan for U.S. Employees's mega-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Willis Towers Watson Savings Plan for U.S. Employees is a mega filing (16,510 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Willis Towers Watson Savings Plan for U.S. Employees reported net income fell from $513M in the plan year 2023 filing to $350M in the plan year 2024 filing.
  • Willis Towers Watson Savings Plan for U.S. Employees end-of-year assets rose from $4.1B in the plan year 2023 filing to $4.5B in the plan year 2024 filing.
  • Willis Towers Watson Savings Plan for U.S. Employees reported participants fell from 16,806 in the plan year 2023 filing to 16,510 in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 530181291 · Willis Towers Watson US LLC PY 2024 · 401(k)

Willis Towers Watson Savings Plan for U.S. Employees · $4.5B · 16,510 · 100th

  • BOY $4.5B
  • SCH 16,510
  • EBSA 100th
  • PART 401(k)
  • TYPE near Omnicom Group Retirement Savings Plan
  • NET ind #20139

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 →

Willis Towers Watson Savings Plan for U.S. Employees in the asset neighbourhood

Michelin 401(k) Savings Plan$4.5BWillis Towers Watson Savings Plan for U.S. EmployeesWillis Towers Watson Savings…$4.5BOmnicom Group Retirement Savings PlanOmnicom Group Retirement Sav…$4.5BSt. Joseph and Covenant Health Systems 401(k) PlanSt. Joseph and Covenant Heal…$4.5BThomson Reuters 401(k) Savings PlanThomson Reuters 401(k) Savin…$4.5B
End-of-year total assets ($B) among Willis Towers Watson Savings Plan for U.S. Employees and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Virginia filing particulars

Total Assets (Beginning of Year)$4.1B
Net Assets (End of Year)$4.5B
Net Income$350M
Employer EIN530181291
Plan Effective Date1973-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Willis Towers Watson US LLC)

Sponsor-wide plan assets over time

All Willis Towers Watson US LLC plans reported in each filing year

Latest sponsor-wide plan assets
$7.3B 9.236180031719446% vs 2022
2024 filing year
$6.6B$6.8B$7B$7.2B$7.4B$7.6B 202220232024 $6.72B $7.34B ▲ +9.2%
Year Plans Participants Total Assets
2022 2 27,366 $6.7B
2023 2 27,538 $7.2B
2024 3 27,187 $7.3B

Nearby 401(k) Plans in Virginia

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

Willis Towers Watson Savings Plan for U.S. Employees vs. nearby 401(k) plans in Virginia, assets vs. participants Scatter plot of 6 data points. 020000400006000080000100000120000 01020304050 Total assets ($B) Participants Willis Towers Watson Savings Plan for U.S. Employees, Total assets ($B): 4.470229128 · Participants: 16510Willis Towers Watson Savings Plan for U.S. EmployeesNorthrop 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
Willis Towers Watson Savings Plan for U.S. Employees vs. nearby 401(k) plans in Virginia, assets vs. participants
Compare Willis Towers Watson Savings Plan for U.S. Employees side-by-side with 3 peers →

Scale composition for Willis Towers Watson Savings Plan for U.S. Employees

Willis Towers Watson Savings Plan for U.S. Employees reports $4.5B in end-of-year assets across 16,510 participants (0.036% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.018% of 93,925,755 covered participants) - about $270,759 per participant (2.0x the national average assets-per-participant) . Net income for plan year 2024 was $350M.

This plan identity (EIN 530181291, plan #005) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $3.6B to $4.5B (+23.9%) while covered participants moved from 16,624 to 16,510 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 16,624 $3.6B Open filing
2023 16,806 $4.1B Open filing
2024 · index core 16,510 $4.5B This page

The same sponsor also keeps 1 other index-core plan on PlainRetire:

Willis Towers Watson Savings Plan for U.S. Employees's out-of-state 401(k) peers by assets and headcount

Outside Virginia, the nearest 401(k) by assets is Omnicom Group Retirement Savings Plan in NY ($4.5B); by covered participants it is Ppg Industries, Inc. Employee Savings Plan in PA (16,534 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($4.5B here).

Similar participant headcount

Nearest other-state filings by covered participants (16,510 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 Willis Towers Watson Savings Plan for U.S. Employees assets move in 2024? ▼
Willis Towers Watson Savings Plan for U.S. Employees grew at a solid clip - up 8.5% during 2024, from $4.1B to $4.5B. Reported net income was $350M.
How have Willis Towers Watson US LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Willis Towers Watson US LLC's sponsor-wide assets grew 9.2%, from $6.7B to $7.3B.
Where does Willis Towers Watson Savings Plan for U.S. Employees rank by assets among Form 5500 filers? ▼
Willis Towers Watson Savings Plan for U.S. Employees ranks in the 100th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Willis Towers Watson Savings Plan for U.S. Employees? ▼
Among 401(k) plans in other states, the closest by assets is Omnicom Group Retirement Savings Plan in NY ($4.5B, 25,936 participants).
Which 401(k) plans cover a similar participant headcount to Willis Towers Watson Savings Plan for U.S. Employees? ▼
Among 401(k) plans in other states, the closest by covered participants is Ppg Industries, Inc. Employee Savings Plan in PA (16,534 participants, $4.3B in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 530181291.

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.