401(k) · DOL Form 5500 · 2024

Willis Towers Watson US LLC 401(k) Plan

Data updated 2026-08-06

$4.5B
Total assets
16,510
Participants
100th
Percentile by assets
$270,759
Avg per participant
PlainRetire home → About this data

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.

  • 100th percentile by assets (of 116,472 plans)
  • #19,509 in Professional & Technical Services (19,542 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 ~781 per filing). Assets: $4.5B.

$4.5B
total plan assets (2024 EOY)
16,510
covered participants
100th
percentile by assets (of 116,472 plans)
$270,759
avg assets per participant

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 →

Participants vs Virginia filers

In Virginia, the average filing covers about 781 participants across 3,490 plans. Willis Towers Watson Savings Plan for U.S. Employees reports 16,510 participants - 21x that state average ($4.5B EOY assets).

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)

$6.6B$6.8B$7B$7.2B$7.4B$7.6B 202220232024 $6.72B $7.34B ▲ +9.2%
Total plan assets by year, all Willis Towers Watson US LLC plans on file
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

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…Northrop Grumman Sav…401(k) Pension PlanGeneral Dynamics Cor…Capital One Financia…Leidos, Inc. Retirem…
Willis Towers Watson Savings Plan for U.S. Employees vs. nearby 401(k) plans in Virginia, assets vs. participants

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 (0.038% of the $11.6T held by all Form 5500 filers in the national rollup , and 0.018% of 89,805,449 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:

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Willis Towers Watson Savings Plan for U.S. Employees by total assets, not by location.

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 116,472 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).

Next read for Willis Towers Watson Savings Plan for U.…

Filing takeaways

Ways to act on Willis Towers Watson Savings Plan for U.S. Employees's numbers.