Ameresco (AMRC) vs IES (IESC)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
IES (IESC) has outperformed Ameresco (AMRC) over the past year, gaining 50.2% versus a loss of 45.6%. Over five years, IESC leads with a +1184.2% price change compared with -66.6% for AMRC. IES is the larger company by market cap ($12.74 billion vs $1.11 billion), about 11.4 times the size.
On valuation, IES trades at a lower trailing P/E (26.7x vs 39.6x for Ameresco).
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | AMRC | IESC |
|---|---|---|
| Share price | $21.01 | $300.43 |
| Market cap | $1.11B | $12.74B |
| 1-day change | -4.20% | -2.72% |
| YTD return | -28.27% | +54.45% |
| 1-year return | -45.56% | +50.21% |
| 5-year return | -66.60% | +1184.16% |
| P/E ratio (TTM) | 39.64 | 26.68 |
| Forward P/E | 12.77 | — |
| EPS (TTM) | $0.53 | $11.26 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | — | $3.37B |
| Revenue growth (YoY) | — | +16.89% |
| Net income (latest FY) | — | $305.98M |
| Gross margin | — | 25.49% |
| Operating margin | — | 11.38% |
| Net margin | — | 9.08% |
| 52-week high | $44.93 | $408.26 |
| 52-week low | $18.38 | $170.07 |
| Distance from 52-week high | -53.24% | -26.41% |
| Analyst consensus | none | none |
| Avg. price target upside | +103.24% | +46.46% |
| Average volume | 659.27K | 323.82K |
| Shares outstanding | 35.07M | 42.40M |
| Employees | 1,601 | 10,262 |
| Sector | Consumer Discretionary | Industrials |
| Industry | Engineering & Construction | Engineering & Construction |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- IES is about 11.4 times larger than Ameresco by market value ($12.74B vs $1.11B).
- IESC has outperformed AMRC by 95.8 percentage points over the past year.
- Ameresco trades at a higher earnings multiple (39.6x vs 26.7x trailing P/E).
- The two companies sit in different sectors: Ameresco in Consumer Discretionary and IES in Industrials.
About Ameresco
AMRC stock →Ameresco, Inc. engages in the provision of energy solutions in the United States, Canada, and Europe.
Consumer Discretionary · Engineering & Construction · 1,601 employees
About IES
IESC stock →IES Holdings, Inc. designs and installs integrated electrical and technology systems and provides infrastructure products and services in the United States.
Industrials · Engineering & Construction · 10,262 employees
AMRC vs IESC FAQ
Which is bigger, Ameresco or IES?
IES (IESC) is larger, with a market capitalization of $12.74B compared with $1.11B for Ameresco (AMRC).
Which stock has performed better over the past year, AMRC or IESC?
IESC returned +50.21% over the past 12 months, compared with -45.56% for AMRC (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, AMRC or IESC?
IESC has the lower trailing P/E at 26.7, versus 39.6 for AMRC. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Are Ameresco and IES in the same industry?
Yes. Both are classified in the Engineering & Construction industry within the Consumer Discretionary sector.