#1Armanino LLP
Serves this area from San Ramon, CA (7 mi)
401(k) TPAs & Recordkeepers in Castro Valley, CA
The top-ranked 401(k) TPAs and recordkeepers serving Castro Valley, CA are Armanino LLP, Flynn, Shojinaga & Associates, Inc. and Flynn, Shojinaga & Associates, Inc.. We list 54 401(k) TPAs and recordkeepers serving Castro Valley, CA. 30 of the providers shown match an active record from U.S. Department of Labor, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
401(k) TPAs & Recordkeepers serving Castro Valley, CA (Alameda County). 54 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked 401(k) TPAs and recordkeepers for Castro Valley
#2Flynn, Shojinaga & Associates, Inc.
Serves this area from Alameda, CA (10 mi)#3Flynn, Shojinaga & Associates, Inc.
Serves this area from Alameda, CA (10 mi)#4Kaiser Foundation
Serves this area from Oakland, CA (13 mi)#5Sterling Administration
Serves this area from Oakland, CA (13 mi)#6Curcio Webb
Serves this area from Oakland, CA (13 mi)#7Wespac Plan Services, LLC
Serves this area from Orinda, CA (14 mi)#8Wespac Plan Services, LLC
Serves this area from Orinda, CA (14 mi)#9Pensionone Advisors, Inc.
Serves this area from Walnut Creek, CA (15 mi)#10Relation Insurance Services
Serves this area from Contra Costa Centre, CA (15 mi)
20 more providers serving this area
- California Retirement Plans, Walnut Creek, CA (15 mi)
- Sequoia Benefits&insurance Services, San Mateo, CA (16 mi)
- Primark Benefits, San Mateo, CA (16 mi)
- Relation Insurance Services, Pleasant Hill, CA (16 mi)
- Relation Insurance Services Of Cali, Pleasant Hill, CA (16 mi)
- Fce Benefit Administrators, Inc., San Mateo, CA (18 mi)
- Fce Financial Services, Inc., San Mateo, CA (18 mi)
- Menke & Associates, Inc., Burlingame, CA (18 mi)
- Forusall, Inc., San Carlos, CA (18 mi)
- Pension Planning Service, Inc, Burlingame, CA (18 mi)
- Pacific Service Employees Assoc., Concord, CA (18 mi)
- Guideline, Inc., Burlingame, CA (18 mi)
- Golden Gate Retirement Consultants, South San Francisco, CA (18 mi)
- Charles Schwab & Co., Inc., San Francisco, CA (19 mi)
- Cigna Health And Life Insurance Com, San Francisco, CA (19 mi)
- Docusign, San Francisco, CA (19 mi)
- Fitbit, San Francisco, CA (19 mi)
- Blue Shield Of California, San Francisco, CA (19 mi)
- Decimal, Inc., San Francisco, CA (19 mi)
- Doctor On Demand, San Francisco, CA (19 mi)
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Frequently asked questions
How many 401(k) TPAs and recordkeepers serve Castro Valley?
We list 54 401(k) TPAs and recordkeepers serving Castro Valley, CA: 0 based there and 54 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which 401(k) TPAs and recordkeepers serve Castro Valley?
The top-ranked 401(k) TPAs and recordkeepers serving Castro Valley, CA are Armanino LLP, Flynn, Shojinaga & Associates, Inc., Flynn, Shojinaga & Associates, Inc., Kaiser Foundation and Sterling Administration. The full ranked list, with the official records each provider matched, is on this page.
Which 401(k) TPAs and recordkeepers serving Castro Valley are verified against official records?
10 of the top 10 match an active official record: Armanino LLP (U.S. Department of Labor), Flynn, Shojinaga & Associates, Inc. (U.S. Department of Labor), Flynn, Shojinaga & Associates, Inc. (U.S. Department of Labor), Kaiser Foundation (U.S. Department of Labor) and Sterling Administration (U.S. Department of Labor), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What does a 401(k) TPA do?
A third-party administrator handles plan compliance: nondiscrimination testing, Form 5500 preparation, contribution limits and plan documents. Recordkeepers track participant accounts; some firms do both.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .