Which has the lower trailing P/E, ACA or ACM?

ACM has the lower trailing P/E: ACA trades at 32.06 and ACM at 17.25. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, ACA or ACM?

Over the past five years, ACA grew revenue faster — ACA at a 8.38% CAGR versus ACM at 3.69%.

Does ACA or ACM pay a bigger dividend?

ACA yields 0.14% and ACM yields 1.66% based on trailing dividends and the latest price.

Is ACA or ACM more profitable?

ACA runs the higher net margin — ACA at 7.88% versus ACM at 3.16%.

How have ACA and ACM total returns compared?

Over the past 5 years, ACA delivered 21.88% and ACM delivered 7.80% annualized total return. Past performance doesn't predict future results.

Arcosa, Inc. (ACA) vs Aecom (ACM)

A side-by-side comparison of Arcosa, Inc. and Aecom across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of July 31, 2026. Differences are shown without an overall score or investment verdict.

ACA

Arcosa, Inc.

$7.14B

$145.30IndustrialsDelayed quote: Jul 31, 2026, 11:34 AM EDT

ACM

Aecom

$9.26B

$72.04IndustrialsDelayed quote: Jul 31, 2026, 11:34 AM EDT

Total return — ACA vs ACM

growth of $100 · dividends reinvested · last 8y

ACA +624.0%ACM +155.3%ACA compounded faster

ACA ACM

ACA vs ACM: by the numbers

•ACM is the larger company ($9.26B vs $7.14B market cap).
•ACM trades at the lower trailing earnings multiple (17.25 vs 32.06 P/E), one valuation lens rather than an overall verdict.
•ACA converts more revenue to profit (7.88% vs 3.16% net margin).
•ACA grew revenue faster over the past five years (8.38% vs 3.69% CAGR).
•ACM pays the higher dividend yield (1.66% vs 0.14%).

Metrics side by side

Valuation

Metric	ACA	ACM
P/E ratio	32.06	17.25
Forward P/E	33.95	12.05
P/S ratio	2.53	0.58
P/B ratio	2.71	4.08
PEG ratio	0.21	0.72
EV / EBITDA	15.30	9.55
FCF yield	3.34%	4.42%

Profitability

Metric	ACA	ACM
Gross margin	22.77%	7.73%
Operating margin	11.81%	6.38%
Net margin	7.88%	3.16%
ROE	8.45%	22.27%
ROIC	6.71%	12.33%

Dividends

Metric	ACA	ACM
Dividend yield	0.14%	1.66%
Payout ratio	4.71%	28.07%

Growth (annualized)

Metric	ACA	ACM
Revenue CAGR (5Y)	8.38%	3.69%
EPS CAGR (5Y)	14.08%	25.59%
FCF CAGR (5Y)	-0.26%	26.08%
Total return CAGR (5Y)	21.88%	3.63%

Frequently asked

Which has the lower trailing P/E, ACA or ACM?: ACM has the lower trailing P/E: ACA trades at 32.06 and ACM at 17.25. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, ACA or ACM?: Over the past five years, ACA grew revenue faster — ACA at a 8.38% CAGR versus ACM at 3.69%.
Does ACA or ACM pay a bigger dividend?: ACA yields 0.14% and ACM yields 1.66% based on trailing dividends and the latest price.
Is ACA or ACM more profitable?: ACA runs the higher net margin — ACA at 7.88% versus ACM at 3.16%.
How have ACA and ACM total returns compared?: Over the past 5 years, ACA delivered 21.88% and ACM delivered 7.80% annualized total return. Past performance doesn't predict future results.

Go deeper

Full ACA analysis Full ACM analysis Interactive comparison tool

Dig into the metrics

Arcosa P/E ratio Aecom P/E ratio Arcosa dividend yield Aecom dividend yield Arcosa ROE Aecom ROE Arcosa operating margin Aecom operating margin Arcosa revenue growth Aecom revenue growth Arcosa free cash flow Aecom free cash flow

Arcosa & Aecom appear in these rankings

Highest FCF Yield Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified July 31, 2026.