# Aecom: overview

ACM · NYSE · CIK 868857 · [Industrials](/sectors/industrials.md) · fiscal year ends Sep 30

Pages: [Overview](/companies/acm.md) · [Financials](/companies/acm/financials.md) · [Filings](/companies/acm/filings.md) · [Insiders](/companies/acm/insiders.md)

Latest reported revenue: [$3.59bn](/filings/0000868857-26-000021.md) for Q3 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 11, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0000868857-26-000021).

## Last eight quarters

| Line item | Unit | Q4 FY2024 (2024-09-30) | Q1 FY2025 (2024-12-31) | Q2 FY2025 (2025-03-31) | Q3 FY2025 (2025-06-30) | Q4 FY2025 (2025-09-30) | Q1 FY2026 (2025-12-31) | Q2 FY2026 (2026-03-31) | Q3 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [4,110 d](/filings/0000868857-25-000013.md) | [4,014](/filings/0000868857-26-000011.md) | [3,772](/filings/0000868857-26-000014.md) | [4,178](/filings/0000868857-26-000021.md) | [4,175 d](/filings/0000868857-25-000013.md) | [3,831](/filings/0000868857-26-000011.md) | [3,801](/filings/0000868857-26-000014.md) | [3,586](/filings/0000868857-26-000021.md) |
| Gross margin | % | [7.2% d](/filings/0000868857-25-000013.md) | [6.7%](/filings/0000868857-26-000011.md) | [7.7%](/filings/0000868857-26-000014.md) | [7.8%](/filings/0000868857-26-000021.md) | [7.9% d](/filings/0000868857-25-000013.md) | [7.3%](/filings/0000868857-26-000011.md) | [7.8%](/filings/0000868857-26-000014.md) | [(0.9%)](/filings/0000868857-26-000021.md) |
| Operating margin | % | [5.8% d](/filings/0000868857-25-000013.md) | [5.9%](/filings/0000868857-26-000011.md) | [6.8%](/filings/0000868857-26-000014.md) | [7.0%](/filings/0000868857-26-000021.md) | [5.7% d](/filings/0000868857-25-000013.md) | [5.8%](/filings/0000868857-26-000011.md) | [6.5%](/filings/0000868857-26-000014.md) | [(2.1%)](/filings/0000868857-26-000021.md) |
| Net margin | % | [4.2% d](/filings/0000868857-25-000013.md) | [4.2%](/filings/0000868857-26-000011.md) | [3.8%](/filings/0000868857-26-000014.md) | [3.1%](/filings/0000868857-26-000021.md) | [2.9% d](/filings/0000868857-25-000013.md) | [1.9%](/filings/0000868857-26-000011.md) | [4.7%](/filings/0000868857-26-000014.md) | [(2.4%)](/filings/0000868857-26-000021.md) |
| Diluted EPS | $ per share | not reported | [1.25](/filings/0000868857-26-000011.md) | [1.08](/filings/0000868857-26-000014.md) | [0.98](/filings/0000868857-26-000021.md) | not reported | [0.56](/filings/0000868857-26-000011.md) | [1.39](/filings/0000868857-26-000014.md) | [(0.67)](/filings/0000868857-26-000021.md) |
| Free cash flow | $m | [274 d](/filings/0000868857-25-000013.md) | [111](/filings/0000868857-26-000011.md) | [178 d](/filings/0000868857-26-000014.md) | [262 d](/filings/0000868857-26-000021.md) | [134 d](/filings/0000868857-25-000013.md) | [41.9](/filings/0000868857-26-000011.md) | [(27.4) d](/filings/0000868857-26-000014.md) | [54.9 d](/filings/0000868857-26-000021.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 12-month figure less the 9-month figure; 6-month figure less the 3-month figure; 9-month figure less the 6-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-09-30) | FY2022 (2022-09-30) | FY2023 (2023-09-30) | FY2024 (2024-09-30) | FY2025 (2025-09-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $bn | [13.3](/filings/0001104659-23-118329.md) | [13.1](/filings/0001410578-24-002030.md) | [14.4](/filings/0000868857-25-000013.md) | [16.1](/filings/0000868857-25-000013.md) | [16.1](/filings/0000868857-25-000013.md) |
| Gross margin | % | [6.0%](/filings/0001104659-23-118329.md) | [6.4%](/filings/0001410578-24-002030.md) | [6.6%](/filings/0000868857-25-000013.md) | [6.7%](/filings/0000868857-25-000013.md) | [7.5%](/filings/0000868857-25-000013.md) |
| Operating margin | % | [4.7%](/filings/0001104659-23-118329.md) | [4.9%](/filings/0001410578-24-002030.md) | [2.3%](/filings/0000868857-25-000013.md) | [5.1%](/filings/0000868857-25-000013.md) | [6.4%](/filings/0000868857-25-000013.md) |
| Net margin | % | [1.3%](/filings/0001104659-23-118329.md) | [2.4%](/filings/0001410578-24-002030.md) | [0.4%](/filings/0000868857-25-000013.md) | [2.5%](/filings/0000868857-25-000013.md) | [3.5%](/filings/0000868857-25-000013.md) |
| Diluted EPS | $ per share | [1.16](/filings/0001104659-23-118329.md) | [2.18](/filings/0001410578-24-002030.md) | [0.39](/filings/0000868857-25-000013.md) | [2.95](/filings/0000868857-25-000013.md) | [4.21](/filings/0000868857-25-000013.md) |
| Free cash flow | $bn | [0.6](/filings/0001104659-23-118329.md) | [0.6](/filings/0001410578-24-002030.md) | [0.6](/filings/0000868857-25-000013.md) | [0.7](/filings/0000868857-25-000013.md) | [0.7](/filings/0000868857-25-000013.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/acm/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $1.00bn | 14,379,638 |  | Reduced −1,380,726 |
| [PRIMECAP MANAGEMENT CO/CA/](/funds/763212.md) | 2026-06-30 | $613.3m | 8,787,043 |  | Added +139,970 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $405.4m | 5,808,042 |  | Added +7,676 |
| [BARROW HANLEY MEWHINNEY & STRAUSS LLC](/funds/313028.md) | 2026-06-30 | $383.7m | 5,497,153 |  | Added +2,644,431 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $383.0m | 5,486,637 |  | Reduced −19,642 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $286.6m | 4,106,098 |  | Reduced −935,362 |
| [FMR LLC](/funds/315066.md) | 2026-06-30 | $262.3m | 3,758,192 |  | Added +1,650,112 |
| [UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC](/funds/861177.md) | 2026-06-30 | $248.9m | 3,565,323 |  | Added +83,360 |
| [Invesco Ltd.](/funds/914208.md) | 2026-06-30 | $222.8m | 3,191,873 |  | Reduced −383,478 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $170.8m | 2,445,738 |  | Reduced −23,711 |

## Recent filings

[All 1,531 filings](/companies/acm/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-09-17 | 11:16 ET | [8-K](/filings/0001104659-26-108415.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-108415 |
| 2026-09-16 | 20:10 ET | [8-K](/filings/0001104659-26-108255.md) | 5.02 Departure or appointment of officers or directors | 0001104659-26-108255 |
| 2026-08-12 | 20:09 ET | [SCHEDULE 13D/A](/filings/0001104659-26-094873.md) | Ownership report, active investor, amended | 0001104659-26-094873 |
| 2026-08-11 | 21:21 ET | [10-Q](/filings/0000868857-26-000021.md) | Quarterly report, period 2026-07-03 | 0000868857-26-000021 |
| 2026-08-10 | 20:35 ET | [8-K](/filings/0001104659-26-093421.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-26-093421 |
| 2026-06-11 | 20:11 ET | [8-K](/filings/0001104659-26-072942.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001104659-26-072942 |
| 2026-06-03 | 11:03 ET | [8-K](/filings/0001104659-26-069779.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-069779 |
| 2026-05-12 | 20:22 ET | [10-Q](/filings/0000868857-26-000014.md) | Quarterly report, period 2026-04-03 | 0000868857-26-000014 |
| 2026-05-11 | 20:12 ET | [8-K](/filings/0001104659-26-058656.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-26-058656 |
| 2026-03-10 | 20:45 ET | [8-K](/filings/0001104659-26-025905.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001104659-26-025905 |

## Latest annual report

[Form 10-K for the fiscal year ended Sep 30, 2025](/filings/0000868857-25-000013.md), filed Nov 19, 2025.

## Forecast league

Q4 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by \[object Promise\]. [Forecast this quarter](/leagues/2026q3/targets/7090230f-96af-4a0e-b327-c9740b33db5f)

## About the filer

- CIK: 868857
- Tickers: ACM
- Exchange: NYSE
- SIC code: 8711 Services-Engineering Services
- State of incorporation: DE
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:26 ET. No prices; not investment advice.