401k Lookup

Adecco 401(k) and retirement plans

Adecco, Inc., Jacksonville, FL. EIN 75-2370177. Annual reports 2009–2025. Also filed as Adecco, Inc. Specialty Brands.

Adecco, Inc. has 2 active retirement plans on file. The largest is the The Adecco Group 401(k) Plan, with 79,783 participants and $918 million in assets in 2025. Principal has been its recordkeeper since 2020. No traditional pension plan appears in Adecco's filings since 2009.

Active plans
2
Participants
82,441
Plan assets
$1.0 billion
401(k) recordkeeper
Principal
Plans on file
4
Industry
Professional services

All 4 plans

Active plans first

The Adecco Group 401(k) Plan

401(k)Active

Active. The plan filed its annual report for the 2025 plan year.

Plan number
006Employer EIN 75-2370177
Participants (2025)
79,783
Net assets (2025)
$918 million
Recordkeeper
PrincipalEarlier: Wells Fargo (2009–2019)
Plan administrator
Adecco, Inc. Retirement Committee
4800 Deerwood Campus Parkway, Building 800
Jacksonville, FL 32246
(904) 513-5077As filed for 2025
In effect since
January 1, 1999

Plans merged into this one: Adecco, Inc. Specialty Brands 401(k) Plan (2022); Adecco, Inc. Associates 401(k) Plan (2022).

Earlier plan names: Adecco, Inc. Colleagues 401K Plan; Adecco, Inc. Colleagues 401(k) Plan.

Year by year, 2009 to 2025
Plan yearParticipantsNet assetsRecordkeeper
202579,783$918 millionPrincipal
202470,422$874 millionPrincipal
202316,858$800 millionPrincipal
202222,876$609 millionPrincipal
202120,022$198 millionPrincipal
20204,700$182 millionPrincipal
20194,953$162 millionWells Fargo
20184,906$136 millionWells Fargo
20174,900$148 millionWells Fargo
20165,126$125 millionWells Fargo
20155,334$118 millionWells Fargo
20147,777$119 millionWells Fargo
20137,461$116 millionWells Fargo
20127,523$96.4 millionWells Fargo
20117,351$83.5 millionWells Fargo
20107,369$85.5 millionWells Fargo
20097,422$75.3 millionWells Fargo

Lee Hecht Harrison 401(k) Plan

401(k)Active

Active. The plan filed its annual report for the 2025 plan year.

Plan number
005Employer EIN 75-2370177
Participants (2025)
2,658
Net assets (2025)
$123 million
Recordkeeper
PrincipalEarlier: Wells Fargo (2009–2019)
Plan administrator
Adecco, Inc.
4800 Deerwood Campus Parkway, Building 800
Jacksonville, FL 32246
(904) 513-5077As filed for 2025
In effect since
January 1, 1999

Earlier plan names: Lee Hecht Harrison 401K Plan.

Year by year, 2009 to 2025
Plan yearParticipantsNet assetsRecordkeeper
20252,658$123 millionPrincipal
20242,516$109 millionPrincipal
20232,276$98.8 millionPrincipal
20222,117$91.3 millionPrincipal
20212,108$119 millionPrincipal
20201,935$113 millionPrincipal
20191,892$100 millionWells Fargo
20181,657$86.2 millionWells Fargo
20171,522$95.8 millionWells Fargo
20161,455$83.1 millionWells Fargo
20151,418$81.9 millionnot listed
20142,439$84.0 millionWells Fargo
20132,294$80.4 millionWells Fargo
20122,201$68.4 millionWells Fargo
20111,651$53.9 millionWells Fargo
20101,566$57.1 millionWells Fargo
20091,701$49.4 millionWells Fargo

Adecco, Inc. Specialty Brands 401(k) Plan

401(k)Merged

Merged. In 2022 its assets moved to the Adecco, Inc. Colleagues 401(k) Plan, sponsored by Adecco, Inc. (EIN 75-2370177, plan 006). Accounts moved with them, so that plan is the one to contact.

Plan number
002Employer EIN 75-2370177
Participants (2021)
15,204
Net assets (2021)
$479 million
Recordkeeper
PrincipalEarlier: Wells Fargo (2009–2019)
Plan administrator
Adecco, Inc. Specialty Brands
10151 Deerwood Park BLVD., Building 200, Suite 400
Jacksonville, FL 32256
(904) 513-5077As filed for 2022
In effect since
April 1, 2000

Plans merged into this one: MPS Group, Inc. Alternate Savings Plan (2011); MPS Group, Inc. Retirement Savings Plan (2011).

Earlier sponsor: Adecco, Inc. (2009–2019).

Earlier plan names: Ajilon LLC 401K Plan; Adecco Inc. Specialty Brands 401K Plan.

Year by year, 2009 to 2022
Plan yearParticipantsNet assetsRecordkeeper
20220$0Principal
202115,204$479 millionPrincipal
202015,569$435 millionPrincipal
201929,129$402 millionWells Fargo
201829,003$332 millionWells Fargo
201727,109$351 millionWells Fargo
201628,415$313 millionWells Fargo
201527,394$294 millionWells Fargo
201437,629$301 millionWells Fargo
201336,925$289 millionWells Fargo
201236,055$245 millionWells Fargo
201136,447$234 millionWells Fargo
20104,953$93.5 millionWells Fargo
20094,203$90.0 millionWells Fargo

Adecco, Inc. Associates 401(k) Plan

401(k)Merged

Merged. In 2022 its assets moved to the Adecco, Inc. Colleagues 401(k) Plan, sponsored by Adecco, Inc. (EIN 75-2370177, plan 006). Accounts moved with them, so that plan is the one to contact.

Plan number
001Employer EIN 75-2370177
Participants (2021)
2,986
Net assets (2021)
$73.8 million
Recordkeeper
PrincipalEarlier: Wells Fargo (2009–2019)
Plan administrator
Adecco, Inc.
10151 Deerwood Park BLVD., Building 200, Suite 400
Jacksonville, FL 32256
(904) 513-5077As filed for 2022
In effect since
January 1, 1982
Year by year, 2009 to 2022
Plan yearParticipantsNet assetsRecordkeeper
20220$0Principal
20212,986$73.8 millionPrincipal
20203,286$68.8 millionPrincipal
201912,537$61.6 millionWells Fargo
201812,487$51.8 millionWells Fargo
201711,457$54.5 millionWells Fargo
201612,063$48.2 millionWells Fargo
201511,951$46.1 millionWells Fargo
201411,134$48.3 millionWells Fargo
201311,702$47.0 millionWells Fargo
20129,291$39.2 millionWells Fargo
201113,357$34.9 millionWells Fargo
201011,688$34.4 millionWells Fargo
200911,517$29.8 millionWells Fargo

If you had money in one of these plans

  1. Call Principal (principal.com), which runs the The Adecco Group 401(k) Plan. With your Social Security number and the plan name, it can tell you whether you still have a balance and, if not, where it went.
  2. Or call the plan administrator listed on the plan below ((904) 513-5077). That number was filed for 2025; ask for the benefits or retirement plan office.
  3. If your plan was merged, your account moved with it. Follow the link on the plan to the plan it went into, and contact that one.
  4. Still stuck? The Department of Labor's benefits advisers help for free: askebsa.dol.gov or 1-866-444-3272. Never pay anyone to find your own money.

What these numbers are

Sources: U.S. Department of Labor, Form 5500 datasets and PBGC trusteed plans. How we read them.

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