Coverage by line
Premium dollars by benefit type (bundled lines overlap)
- Health$1.9M
- Short-term disability$44K
- Vision$17K
Sponsor portfolio
WILLIAMSMARSTON LLC
EIN 46-4311251management consultingLatest filing 2025
Plans
2
Retirement
1
$34.5M assets
Welfare
1
$2.0M premiums
Participants
533
1 WASHINGTON MALL, FLOOR 9 - BOSTON, MA 02108617-982-6699williamsmarston.comLinkedIn201-500 employeesmanagement consulting
Plans on this EIN
2 filingsBenefits portfolio analytics
1 plan / $2.0M premiums / 321 covered livesCarrier market share
Premium dollars by Schedule A carrier
97%top
- BLUE CROSS OF CALIFORNIA97%
- EQUITABLE FINANCIAL LIFE INSURANCE COMPANY OF AMERICA2%
- VISION SERVICE PLAN1%
Broker market share
Schedule A broker compensation
98%top
- RSC INSURANCE BROKERAGE INC98%
- SELMAN & COMPANY, LLC2%
Plan deep-dives
Per-plan teasers. The full analytics (fees vs peers, audit grade, trajectory, counterparties) live on each plan detail page.Retirement#001
WILLIAMSMARSTON LLC RETIREMENT PLAN
401k
Assets$34.5M
Participants319
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Welfare#501
WILLIAMSMARSTON LLC HEALTH & WELFARE BENEFIT PLAN
Mixed - BLUE CROSS BLUE SHIELD OF MASSACHUSETTS INC.
Premiums$2.0M
Covered lives321
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive
Retirement plans1
| Plan # | Name | Type | Assets | Participants | Latest year | |
|---|---|---|---|---|---|---|
| 001 | WILLIAMSMARSTON LLC RETIREMENT PLAN | 401k | $34.5M | 319 | 2025 |
Welfare plans1
| Plan # | Name | Funding | Carrier | Premiums | Covered | Latest year | |
|---|---|---|---|---|---|---|---|
| 501 | WILLIAMSMARSTON LLC HEALTH & WELFARE BENEFIT PLAN | Mixed | BLUE CROSS BLUE SHIELD OF MASSACHUSETTS INC. | $2.0M | 321 | 2025 |
Retirement plans
Welfare plans