Retirement plan

ONE SOURCE ENGINEERING 401(K) PLAN

Name: ONE SOURCE ENGINEERING, INC. - ONE SOURCE ENGINEERING 401(K) PLAN (2025) Form 5500
Creator: ONE SOURCE ENGINEERING, INC.
License: https://www.dol.gov/general/disclaim
Keywords: Form 5500, ERISA, retirement plan, ONE SOURCE ENGINEERING 401(K) PLAN, ONE SOURCE ENGINEERING, INC.

ONE SOURCE ENGINEERING, INC.EIN 86-1091953Plan #002PY 2025

52 LABURNUM ROAD - ATHERTON, CA 94027650-325-7171onesourceengineering.comLinkedIn1-10 employeesmechanical or industrial engineering

Prospect flagsHigh feesHigh assets / participant

How to read this page

Total assets (EOY)

$9.5M

+14.9% from 2024

Total participants

0.0% from 2024

Average account balance

$1,350,578

+14.9% from 2024

Annual return

12.23%

+0.38 pp from 2024

Benchmarks

See 24,949 peers

Peer group

Industry23 - Construction

Plan typeDefined contribution

Participants<25

Cohort24,949 peers

Snapshot2025

Free accounts unlock saves, downloads, and 3-year history.

Analytics

Total assets (EOY)

Plan-year ending balance

$9.45M

Not enough data

1 years with asset history on file

Average account balance

Total assets / participants with a balance (line 6g)

$1.4M

Not enough data

1 years with per-participant data

Participants with account balance

Stacked by status: active / separated vested / retired or beneficiary. Total = line 6g.

Not enough data

1 years with headcount on file

Eligible Participants and Participation

Bars: eligible actives (line 6a). Line: derived rate = active employees with a balance / 6a.

116.7%

Not enough data

1 years with eligibility data

Contributions (total)

Employer and participant dollars contributed each year

$217K

Not enough data

1 years with contributions on file

Contributions per participant

Average employer and participant contribution per enrolled participant

$36K

Not enough data

1 years with per-participant contribution data

Asset flow

BOY + contributions + return - distributions = EOY

Year

Annual return

Diverging bars; negative years highlighted

+12.23%

Not enough data

1 years with return on file

Admin fee / account holder

Total admin expenses / participants with a balance (line 6g)

$11619

Not enough data

1 years with admin cost on file

Asset composition

Cash / stocks / bonds / mutual funds / real estate / loans over time

Not enough data

0 years with F_SCH_H allocation on file

Free accounts unlock saves, downloads, and 3-year history.

Service providers

Providers data not reported

Schedule C was not filed on this plan's most recent Form 5500, so no compensated service providers are available to display.

Plan features & details

Pension benefit codes2A2E2J3D

Plan features

2A
Age/service weighted or new comparability plan
Age/service weighted plan where allocations are based on age service or age and service; or new comparability or similar plan where allocations are based on participant classifications consisting entirely or predominantly of highly compensated employees or the plan provides an additional allocation rate on compensation above a specified threshold that exceeds the permitted disparity limits of Code section 401(l).
2E
Profit-sharing
Profit-sharing plan.
2J
Code section 401(k) feature
Cash or deferred arrangement described in Code section 401(k) that is part of a qualified defined contribution plan under which employees may elect to defer part of their compensation or receive these amounts in cash.
3D
Pre-approved pension plan
A master prototype or volume submitter plan that is the subject of a favorable opinion or advisory letter from the IRS.

Opportunity flags

2 tripped

OpportunityHigh fees
Administrative expenses exceed $300 per participant per year - possible fee-review opportunity. (Recordkeeping / audit / legal; excludes investment management.)
InformationalHigh assets / participant
Assets per participant exceed $250,000 - top-decile high-value plan.

Expense breakdown

Schedule H Part II

Admin total

$81K

$13555 / participant

Other / not subdivided$81K100.0%

% of EOY assets

0.860%

all-in expense ratio

Categories reported

0 / 9

subdivided buckets used

Audit opinion

Schedule H Part III

No opinion code on file for this filing.

Auditor firm: (not reported)
Auditor EIN: -
Audit fees: (not subdivided)
Opinion code: -

Metric

This plan

Peer set

Industry

Size

Avg account balance

$1,350,578

$129,737+941.0%

$119,126+1033.7%

$154,746+772.8%

Participation rate

100.0%

78.9%+21.1pp

75.8%+24.2pp

80.7%+19.3pp

Annual return

12.23%

379.08%-366.8pp

282.11%-269.9pp

172.34%-160.1pp

Employer contribution / active EE

$20,040

$4,375+358.1%

$4,034+396.8%

$4,379+357.6%

Participant deferral / active EE

$16,125

$5,842+176.0%

$5,318+203.2%

$6,730+139.6%

Admin fee / account holder

$11,619

$11,961-2.9%

$10,693+8.7%

$14,365-19.1%

ONE SOURCE ENGINEERING 401(K) PLAN

Summary metrics

Benchmarksi

Analytics

Service providersi

Plan features & details

Opportunity flagsi

Expense breakdowni

Audit opinioni

ONE SOURCE ENGINEERING 401(K) PLAN

Summary metrics

Benchmarksi

Analytics

Service providersi

Plan features & details

Opportunity flagsi

Expense breakdowni

Audit opinioni

Benchmarks

Service providers

Opportunity flags

Expense breakdown

Audit opinion

Benchmarks

Service providers

Opportunity flags

Expense breakdown

Audit opinion