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Aecom vs Willdan: revenue, profit, margins and growth compared

Aecom brought in $16.1B of revenue in fiscal 2025, Willdan $681.6M in fiscal 2025. Revenue changed by +0.2% at Aecom and +20.5% at Willdan on the year before, so Willdan grew faster. Aecom kept 3.5% of its revenue as net profit, Willdan 7.7%. Free cash flow was $684.9M at Aecom and $70.7M at Willdan.

Side by side, latest fiscal year

ACMWLDN
Fiscal year endedFY2025 (September 30, 2025)FY2025 (January 2, 2026)
Revenue$16.1B$681.6M
Revenue growth+0.2%+20.5%
Net income$561.8M$52.6M
Net margin3.5%7.7%
Free cash flow$684.9M$70.7M
Free cash flow margin4.2%10.4%
Earnings per share (diluted)$4.21$3.49
Cash$1.6B$65.9M
Debt$2.7B$48.5M
Price to earnings14.522.6
Market value$7.8B$1.2B
Dividend yieldn/an/a
Rank by revenue in sector#75 of 778 · Consumer discretionary#522 of 778 · Consumer discretionary

Over the years

Revenue
ACM FY2018: $20.2BACM FY2019: $13.6BACM FY2020: $13.2BACM FY2021: $13.3BACM FY2022: $13.1BACM FY2023: $14.4BACM FY2024: $16.1BACM FY2025: $16.1BWLDN FY2018: $272.3MWLDN FY2019: $443.1MWLDN FY2020: $391MWLDN FY2021: $353.8MWLDN FY2022: $429.1MWLDN FY2023: $510.1MWLDN FY2024: $565.8MWLDN FY2025: $681.6MFY18FY19FY20FY21FY22FY23FY24FY25
ACM $16.1BWLDN $681.6M
Net income
ACM FY2018: $136.5MACM FY2019: -$261.1MACM FY2020: -$186.4MACM FY2021: $173.2MACM FY2022: $310.6MACM FY2023: $55.3MACM FY2024: $402.3MACM FY2025: $561.8MWLDN FY2018: $10MWLDN FY2019: $4.8MWLDN FY2020: -$14.5MWLDN FY2021: -$8.4MWLDN FY2022: -$8.4MWLDN FY2023: $10.9MWLDN FY2024: $22.6MWLDN FY2025: $52.6MFY18FY19FY20FY21FY22FY23FY24FY25
ACM $561.8MWLDN $52.6M
Net margin
ACM FY2018: 0.7%ACM FY2019: -1.9%ACM FY2020: -1.4%ACM FY2021: 1.3%ACM FY2022: 2.4%ACM FY2023: 0.4%ACM FY2024: 2.5%ACM FY2025: 3.5%WLDN FY2018: 3.7%WLDN FY2019: 1.1%WLDN FY2020: -3.7%WLDN FY2021: -2.4%WLDN FY2022: -2.0%WLDN FY2023: 2.1%WLDN FY2024: 4.0%WLDN FY2025: 7.7%FY18FY19FY20FY21FY22FY23FY24FY25
ACM 3.5%WLDN 7.7%
Revenue growth
ACM FY2019: -32.3%ACM FY2020: -3.0%ACM FY2021: +0.8%ACM FY2022: -1.4%ACM FY2023: +9.4%ACM FY2024: +12.0%ACM FY2025: +0.2%WLDN FY2019: +62.8%WLDN FY2020: -11.8%WLDN FY2021: -9.5%WLDN FY2022: +21.3%WLDN FY2023: +18.9%WLDN FY2024: +10.9%WLDN FY2025: +20.5%FY19FY20FY21FY22FY23FY24FY25
ACM +0.2%WLDN +20.5%
Free cash flow
ACM FY2018: $661.3MACM FY2019: $677MACM FY2020: $215MACM FY2021: $568.4MACM FY2022: $576.6MACM FY2023: $590.4MACM FY2024: $707.9MACM FY2025: $684.9MWLDN FY2018: $5.5MWLDN FY2019: $5MWLDN FY2020: $41.9MWLDN FY2021: $1.3MWLDN FY2022: -$169KWLDN FY2023: $29.3MWLDN FY2024: $63.7MWLDN FY2025: $70.7MFY18FY19FY20FY21FY22FY23FY24FY25
ACM $684.9MWLDN $70.7M

Fiscal years as each company reports them; the two may end in different months.

Questions about Aecom and Willdan

Which is bigger by revenue, Aecom or Willdan?

Aecom is bigger by revenue: $16.1B in fiscal 2025, against $681.6M for Willdan in fiscal 2025.

Which keeps more of its revenue as profit, Aecom or Willdan?

Aecom had a net margin of 3.5% in fiscal 2025; Willdan had 7.7% in fiscal 2025.

Which grew revenue faster, Aecom or Willdan?

In their latest fiscal years revenue changed by +0.2% at Aecom and +20.5% at Willdan.

Where do these numbers come from?

From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.

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