401(k) · DOL Form 5500 · 2023

Ameresco, Inc. 401(k) Plan

Data updated 2026-08-25

$218M
Total assets Near avg plan size
1,195
Participants Near avg headcount
95th
Percentile by assets National rank
$182,795
Avg per participant Above avg balance/head
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Official DOL plan name: Ameresco, Inc. 401(k) Plan · Sponsored by Ameresco, Inc. · Massachusetts · Professional & Technical Services

$218M in assets, 1,195 participants

Ameresco, Inc.'s Ameresco, Inc. 401(k) Plan reported $218M in total assets and 1,195 participants in its 2023 DOL Form 5500 filing, ranking in the 95th 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.

  • #19,552 in Professional & Technical Services (20,321 peers)

Where Ameresco, Inc. 401(k) Plan sits by assets

Ameresco, Inc. 401(k) Plan sits in the top 5% of all filed plans by assets, $218M for 1,195 participants (~$182,795/participant), up 25.7% in 2023.

#19,552
in Professional & Technical Services (20,321 peers)
+25.7%
assets growth YoY
2.2×
vs typical plan assets (national mean)

Ameresco, Inc. 401(k) Plan's outsized position by total assets

Ameresco, Inc. 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$218,440,112 Top 5% higher than 95% of 127,068 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023

Ameresco, Inc. 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Ameresco, Inc. 401(k) Plan lands in the large band (1,195 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Ameresco, Inc. 401(k) Plan reported net income rose from -$35M in the plan year 2022 filing to $45M in the plan year 2023 filing.
  • Ameresco, Inc. 401(k) Plan end-of-year assets rose from $174M in the plan year 2022 filing to $218M in the plan year 2023 filing.
  • Ameresco, Inc. 401(k) Plan reported participants rose from 1,126 in the plan year 2022 filing to 1,195 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 043512838 · Ameresco, Inc. PY 2023 · 401(k)

Ameresco, Inc. 401(k) Plan · $218M · 1,195 · 95th

  • EBSA $218M
  • EBSA 1,195
  • EBSA 95th
  • EBSA 401(k)
  • EBSA near Bank of Hope 401(k) Retirement Plan
  • EBSA ind #19552

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Professional & Technical Services retirement plans → · Plans in Massachusetts →

Ameresco, Inc. 401(k) Plan in the asset neighbourhood

Kci Technologies, Inc 401(k) PlanKci Technologies, Inc 401(k)…$219MSprouts Farmers Markets Holdings, LLC Employee 401(k) Savings PlanSprouts Farmers Markets Hold…$219MBank of Hope 401(k) Retirement PlanBank of Hope 401(k) Retireme…$219MAmeresco, Inc. 401(k) Plan$218MTrek Bicycle Corporation 401(k) PlanTrek Bicycle Corporation 401…$218M
End-of-year total assets ($M) among Ameresco, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$174M
Net Assets (End of Year)$218M
Net Income$45M
Employer EIN043512838
Plan Effective Date2000-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Ameresco, Inc.)

Sponsor-wide plan assets over time

All Ameresco, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$252M 44.777104086242794% vs 2022
2024 filing year
$150M$200M$250M$300M 202220232024 $174M $252M ▲ +44.8%
Year Plans Participants Total Assets
2022 1 1,126 $174M
2023 1 1,195 $218M
2024 1 1,241 $252M

Nearby 401(k) Plans in Massachusetts

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Ameresco, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Ameresco, Inc. 401(k) Plan, Total assets ($B): 0.218440112 · Participants: 1195Ameresco, Inc. 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 28.649852331 · Participants: 62289Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 10.556596852 · Participants: 37052Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 6.829912863 · Participants: 14094Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 5.786107181 · Participants: 19881Boston Scientific Corporation 401(k) Retirement Savings PlanPhilips North America 401(k) Plan, Total assets ($B): 5.779286156 · Participants: 19120Philips North America 401(k) Plan
Ameresco, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Ameresco, Inc. 401(k) Plan side-by-side with 3 peers →

Ameresco, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Bank of Hope 401(k) Retirement Plan in CA ($219M); by covered participants it is Auria Solutions USA, Inc. Hourly Employees' Retirement Savings Plan in MI (1,195 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($218M here).

Similar participant headcount

Nearest other-state filings by covered participants (1,195 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Ameresco, Inc. 401(k) Plan assets move in 2023? ▼
Ameresco, Inc. 401(k) Plan grew sharply - up 25.7% during 2023, from $174M to $218M. Reported net income was $45M.
How have Ameresco, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Ameresco, Inc.'s sponsor-wide assets grew 44.8%, from $174M to $252M.
Where does Ameresco, Inc. 401(k) Plan rank by assets among Form 5500 filers? ▼
Ameresco, Inc. 401(k) Plan ranks in the 95th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Ameresco, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Bank of Hope 401(k) Retirement Plan in CA ($219M, 1,487 participants).
Which 401(k) plans cover a similar participant headcount to Ameresco, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Auria Solutions USA, Inc. Hourly Employees' Retirement Savings Plan in MI (1,195 participants, $33M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 043512838.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.