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Side-by-side financial comparison of Certara, Inc. (CERT) and FOSTER L B CO (FSTR). Click either name above to swap in a different company.

FOSTER L B CO is the larger business by last-quarter revenue ($160.4M vs $103.6M, roughly 1.5× Certara, Inc.). FOSTER L B CO runs the higher net margin — 1.5% vs -5.7%, a 7.2% gap on every dollar of revenue. On growth, FOSTER L B CO posted the faster year-over-year revenue change (25.1% vs 3.3%). Certara, Inc. produced more free cash flow last quarter ($27.8M vs $19.8M). Over the past eight quarters, FOSTER L B CO's revenue compounded faster (13.6% CAGR vs 3.6%).

Certara is a global leader in biopharmaceutical software and consulting services, specializing in modeling, simulation, and regulatory science solutions. It serves pharmaceutical companies, biotech firms and healthcare stakeholders across all drug development stages, helping accelerate new therapy launches, lower R&D risks and cut overall development costs.

Foster L B Co. is a U.S.-headquartered industrial manufacturing firm that develops, produces and distributes engineered access solutions, construction components, and rail infrastructure products. It serves commercial construction, transportation, and industrial end markets across North America and selected international regions.

CERT vs FSTR — Head-to-Head

Bigger by revenue
FSTR
FSTR
1.5× larger
FSTR
$160.4M
$103.6M
CERT
Growing faster (revenue YoY)
FSTR
FSTR
+21.8% gap
FSTR
25.1%
3.3%
CERT
Higher net margin
FSTR
FSTR
7.2% more per $
FSTR
1.5%
-5.7%
CERT
More free cash flow
CERT
CERT
$8.0M more FCF
CERT
$27.8M
$19.8M
FSTR
Faster 2-yr revenue CAGR
FSTR
FSTR
Annualised
FSTR
13.6%
3.6%
CERT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CERT
CERT
FSTR
FSTR
Revenue
$103.6M
$160.4M
Net Profit
$-5.9M
$2.4M
Gross Margin
19.7%
Operating Margin
0.8%
4.9%
Net Margin
-5.7%
1.5%
Revenue YoY
3.3%
25.1%
Net Profit YoY
-189.6%
1098.3%
EPS (diluted)
$-0.04
$0.22

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CERT
CERT
FSTR
FSTR
Q4 25
$103.6M
$160.4M
Q3 25
$104.6M
$138.3M
Q2 25
$104.6M
$143.6M
Q1 25
$106.0M
$97.8M
Q4 24
$100.4M
$128.2M
Q3 24
$94.8M
$137.5M
Q2 24
$93.3M
$140.8M
Q1 24
$96.7M
$124.3M
Net Profit
CERT
CERT
FSTR
FSTR
Q4 25
$-5.9M
$2.4M
Q3 25
$1.5M
$4.4M
Q2 25
$-2.0M
$2.9M
Q1 25
$4.7M
$-2.1M
Q4 24
$6.6M
$-242.0K
Q3 24
$-1.4M
$35.9M
Q2 24
$-12.6M
$2.8M
Q1 24
$-4.7M
$4.4M
Gross Margin
CERT
CERT
FSTR
FSTR
Q4 25
19.7%
Q3 25
22.5%
Q2 25
21.5%
Q1 25
20.6%
Q4 24
22.3%
Q3 24
23.8%
Q2 24
21.7%
Q1 24
21.1%
Operating Margin
CERT
CERT
FSTR
FSTR
Q4 25
0.8%
4.9%
Q3 25
2.9%
6.0%
Q2 25
9.1%
5.3%
Q1 25
7.2%
-2.0%
Q4 24
6.0%
2.4%
Q3 24
2.7%
5.3%
Q2 24
-9.7%
3.2%
Q1 24
-1.3%
4.5%
Net Margin
CERT
CERT
FSTR
FSTR
Q4 25
-5.7%
1.5%
Q3 25
1.5%
3.1%
Q2 25
-1.9%
2.0%
Q1 25
4.5%
-2.2%
Q4 24
6.6%
-0.2%
Q3 24
-1.4%
26.1%
Q2 24
-13.5%
2.0%
Q1 24
-4.8%
3.6%
EPS (diluted)
CERT
CERT
FSTR
FSTR
Q4 25
$-0.04
$0.22
Q3 25
$0.01
$0.40
Q2 25
$-0.01
$0.27
Q1 25
$0.03
$-0.20
Q4 24
$0.04
$-0.04
Q3 24
$-0.01
$3.27
Q2 24
$-0.08
$0.26
Q1 24
$-0.03
$0.40

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CERT
CERT
FSTR
FSTR
Cash + ST InvestmentsLiquidity on hand
$189.4M
$4.3M
Total DebtLower is stronger
$293.1M
$42.6M
Stockholders' EquityBook value
$1.1B
$175.3M
Total Assets
$1.6B
$330.4M
Debt / EquityLower = less leverage
0.28×
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CERT
CERT
FSTR
FSTR
Q4 25
$189.4M
$4.3M
Q3 25
$172.7M
$3.4M
Q2 25
$162.3M
$4.2M
Q1 25
$179.1M
$2.6M
Q4 24
$179.2M
$2.5M
Q3 24
$233.0M
$3.1M
Q2 24
$224.6M
$4.0M
Q1 24
$224.8M
$3.1M
Total Debt
CERT
CERT
FSTR
FSTR
Q4 25
$293.1M
$42.6M
Q3 25
$293.5M
$58.6M
Q2 25
$294.2M
$81.4M
Q1 25
$294.8M
$82.3M
Q4 24
$295.4M
$46.8M
Q3 24
$296.1M
$68.4M
Q2 24
$296.7M
$87.0M
Q1 24
$290.8M
$77.9M
Stockholders' Equity
CERT
CERT
FSTR
FSTR
Q4 25
$1.1B
$175.3M
Q3 25
$1.1B
$174.8M
Q2 25
$1.1B
$174.4M
Q1 25
$1.1B
$170.8M
Q4 24
$1.1B
$178.3M
Q3 24
$1.1B
$181.9M
Q2 24
$1.0B
$147.1M
Q1 24
$1.1B
$144.6M
Total Assets
CERT
CERT
FSTR
FSTR
Q4 25
$1.6B
$330.4M
Q3 25
$1.5B
$333.9M
Q2 25
$1.5B
$349.9M
Q1 25
$1.6B
$342.8M
Q4 24
$1.6B
$334.6M
Q3 24
$1.5B
$344.5M
Q2 24
$1.5B
$333.3M
Q1 24
$1.5B
$326.4M
Debt / Equity
CERT
CERT
FSTR
FSTR
Q4 25
0.28×
0.24×
Q3 25
0.28×
0.33×
Q2 25
0.27×
0.47×
Q1 25
0.27×
0.48×
Q4 24
0.28×
0.26×
Q3 24
0.28×
0.38×
Q2 24
0.28×
0.59×
Q1 24
0.28×
0.54×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CERT
CERT
FSTR
FSTR
Operating Cash FlowLast quarter
$28.8M
$22.2M
Free Cash FlowOCF − Capex
$27.8M
$19.8M
FCF MarginFCF / Revenue
26.8%
12.3%
Capex IntensityCapex / Revenue
1.0%
1.5%
Cash ConversionOCF / Net Profit
9.18×
TTM Free Cash FlowTrailing 4 quarters
$94.4M
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CERT
CERT
FSTR
FSTR
Q4 25
$28.8M
$22.2M
Q3 25
$32.3M
$29.2M
Q2 25
$17.8M
$10.4M
Q1 25
$17.4M
$-26.1M
Q4 24
$49.4M
$24.3M
Q3 24
$17.0M
$24.7M
Q2 24
$9.8M
$-5.0M
Q1 24
$4.3M
$-21.4M
Free Cash Flow
CERT
CERT
FSTR
FSTR
Q4 25
$27.8M
$19.8M
Q3 25
$32.1M
$26.4M
Q2 25
$17.8M
$7.7M
Q1 25
$16.8M
$-28.7M
Q4 24
$49.0M
$22.3M
Q3 24
$16.8M
$21.7M
Q2 24
$9.4M
$-7.0M
Q1 24
$3.7M
$-24.2M
FCF Margin
CERT
CERT
FSTR
FSTR
Q4 25
26.8%
12.3%
Q3 25
30.7%
19.1%
Q2 25
17.0%
5.4%
Q1 25
15.8%
-29.4%
Q4 24
48.8%
17.4%
Q3 24
17.7%
15.8%
Q2 24
10.1%
-5.0%
Q1 24
3.8%
-19.4%
Capex Intensity
CERT
CERT
FSTR
FSTR
Q4 25
1.0%
1.5%
Q3 25
0.2%
2.0%
Q2 25
0.1%
1.9%
Q1 25
0.6%
2.6%
Q4 24
0.4%
1.5%
Q3 24
0.2%
2.2%
Q2 24
0.5%
1.5%
Q1 24
0.6%
2.2%
Cash Conversion
CERT
CERT
FSTR
FSTR
Q4 25
9.18×
Q3 25
21.19×
6.70×
Q2 25
3.61×
Q1 25
3.66×
Q4 24
7.51×
Q3 24
0.69×
Q2 24
-1.74×
Q1 24
-4.83×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CERT
CERT

Segment breakdown not available.

FSTR
FSTR

Rail Technologies And Services Segment$98.0M61%
Over Time Output Method$26.3M16%
Services$19.4M12%
Rail Technologies Products$10.0M6%
Over Time Input Method$8.3M5%

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