vs

Side-by-side financial comparison of Certara, Inc. (CERT) and Proto Labs Inc (PRLB). Click either name above to swap in a different company.

Proto Labs Inc is the larger business by last-quarter revenue ($139.3M vs $103.6M, roughly 1.3× Certara, Inc.). Proto Labs Inc runs the higher net margin — 5.8% vs -5.7%, a 11.5% gap on every dollar of revenue. On growth, Proto Labs Inc posted the faster year-over-year revenue change (10.4% vs 3.3%). Over the past eight quarters, Proto Labs Inc's revenue compounded faster (5.3% 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.

Protolabs is a company that provides rapid manufacturing of 3D printed, CNC-machined, sheet metal, and injection-molded custom parts for prototyping and production. Markets like medical devices, aerospace, electronics, appliances, automotive and consumer products use these parts. Protolabs' headquarters are located in Maple Plain, Minnesota, with Minnesota-based manufacturing facilities in Plymouth, Brooklyn Park, and Rosemount, along with additional facilities in Nashua, New Hampshire and Ca...

CERT vs PRLB — Head-to-Head

Bigger by revenue
PRLB
PRLB
1.3× larger
PRLB
$139.3M
$103.6M
CERT
Growing faster (revenue YoY)
PRLB
PRLB
+7.1% gap
PRLB
10.4%
3.3%
CERT
Higher net margin
PRLB
PRLB
11.5% more per $
PRLB
5.8%
-5.7%
CERT
Faster 2-yr revenue CAGR
PRLB
PRLB
Annualised
PRLB
5.3%
3.6%
CERT

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CERT
CERT
PRLB
PRLB
Revenue
$103.6M
$139.3M
Net Profit
$-5.9M
$8.1M
Gross Margin
45.6%
Operating Margin
0.8%
7.1%
Net Margin
-5.7%
5.8%
Revenue YoY
3.3%
10.4%
Net Profit YoY
-189.6%
125.4%
EPS (diluted)
$-0.04
$0.29

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
PRLB
PRLB
Q1 26
$139.3M
Q4 25
$103.6M
$136.5M
Q3 25
$104.6M
$135.4M
Q2 25
$104.6M
$135.1M
Q1 25
$106.0M
$126.2M
Q4 24
$100.4M
$121.8M
Q3 24
$94.8M
$125.6M
Q2 24
$93.3M
$125.6M
Net Profit
CERT
CERT
PRLB
PRLB
Q1 26
$8.1M
Q4 25
$-5.9M
Q3 25
$1.5M
$7.2M
Q2 25
$-2.0M
$4.4M
Q1 25
$4.7M
$3.6M
Q4 24
$6.6M
Q3 24
$-1.4M
$7.2M
Q2 24
$-12.6M
$4.5M
Gross Margin
CERT
CERT
PRLB
PRLB
Q1 26
45.6%
Q4 25
44.2%
Q3 25
45.3%
Q2 25
44.3%
Q1 25
44.1%
Q4 24
42.7%
Q3 24
45.6%
Q2 24
45.0%
Operating Margin
CERT
CERT
PRLB
PRLB
Q1 26
7.1%
Q4 25
0.8%
5.0%
Q3 25
2.9%
6.5%
Q2 25
9.1%
3.7%
Q1 25
7.2%
3.6%
Q4 24
6.0%
-1.2%
Q3 24
2.7%
6.8%
Q2 24
-9.7%
4.8%
Net Margin
CERT
CERT
PRLB
PRLB
Q1 26
5.8%
Q4 25
-5.7%
Q3 25
1.5%
5.3%
Q2 25
-1.9%
3.3%
Q1 25
4.5%
2.9%
Q4 24
6.6%
Q3 24
-1.4%
5.7%
Q2 24
-13.5%
3.6%
EPS (diluted)
CERT
CERT
PRLB
PRLB
Q1 26
$0.29
Q4 25
$-0.04
$0.25
Q3 25
$0.01
$0.30
Q2 25
$-0.01
$0.18
Q1 25
$0.03
$0.15
Q4 24
$0.04
$-0.01
Q3 24
$-0.01
$0.29
Q2 24
$-0.08
$0.18

Balance Sheet & Financial Strength

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

Metric
CERT
CERT
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$189.4M
$124.0M
Total DebtLower is stronger
$293.1M
Stockholders' EquityBook value
$1.1B
$683.1M
Total Assets
$1.6B
$778.6M
Debt / EquityLower = less leverage
0.28×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CERT
CERT
PRLB
PRLB
Q1 26
$124.0M
Q4 25
$189.4M
$128.1M
Q3 25
$172.7M
$119.2M
Q2 25
$162.3M
$103.2M
Q1 25
$179.1M
$96.8M
Q4 24
$179.2M
$103.1M
Q3 24
$233.0M
$100.5M
Q2 24
$224.6M
$112.9M
Total Debt
CERT
CERT
PRLB
PRLB
Q1 26
Q4 25
$293.1M
Q3 25
$293.5M
Q2 25
$294.2M
Q1 25
$294.8M
Q4 24
$295.4M
Q3 24
$296.1M
Q2 24
$296.7M
Stockholders' Equity
CERT
CERT
PRLB
PRLB
Q1 26
$683.1M
Q4 25
$1.1B
$673.9M
Q3 25
$1.1B
$664.7M
Q2 25
$1.1B
$664.7M
Q1 25
$1.1B
$656.8M
Q4 24
$1.1B
$670.2M
Q3 24
$1.1B
$680.0M
Q2 24
$1.0B
$685.2M
Total Assets
CERT
CERT
PRLB
PRLB
Q1 26
$778.6M
Q4 25
$1.6B
$763.4M
Q3 25
$1.5B
$756.9M
Q2 25
$1.5B
$743.3M
Q1 25
$1.6B
$737.5M
Q4 24
$1.6B
$743.5M
Q3 24
$1.5B
$753.8M
Q2 24
$1.5B
$758.2M
Debt / Equity
CERT
CERT
PRLB
PRLB
Q1 26
Q4 25
0.28×
Q3 25
0.28×
Q2 25
0.27×
Q1 25
0.27×
Q4 24
0.28×
Q3 24
0.28×
Q2 24
0.28×

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
PRLB
PRLB
Operating Cash FlowLast quarter
$28.8M
$17.5M
Free Cash FlowOCF − Capex
$27.8M
FCF MarginFCF / Revenue
26.8%
Capex IntensityCapex / Revenue
1.0%
Cash ConversionOCF / Net Profit
2.16×
TTM Free Cash FlowTrailing 4 quarters
$94.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CERT
CERT
PRLB
PRLB
Q1 26
$17.5M
Q4 25
$28.8M
$16.5M
Q3 25
$32.3M
$29.1M
Q2 25
$17.8M
$10.6M
Q1 25
$17.4M
$18.4M
Q4 24
$49.4M
$17.3M
Q3 24
$17.0M
$24.8M
Q2 24
$9.8M
$14.4M
Free Cash Flow
CERT
CERT
PRLB
PRLB
Q1 26
Q4 25
$27.8M
$8.4M
Q3 25
$32.1M
$25.0M
Q2 25
$17.8M
$9.1M
Q1 25
$16.8M
$17.1M
Q4 24
$49.0M
$16.5M
Q3 24
$16.8M
$23.2M
Q2 24
$9.4M
$10.2M
FCF Margin
CERT
CERT
PRLB
PRLB
Q1 26
Q4 25
26.8%
6.2%
Q3 25
30.7%
18.5%
Q2 25
17.0%
6.7%
Q1 25
15.8%
13.6%
Q4 24
48.8%
13.5%
Q3 24
17.7%
18.5%
Q2 24
10.1%
8.2%
Capex Intensity
CERT
CERT
PRLB
PRLB
Q1 26
Q4 25
1.0%
5.9%
Q3 25
0.2%
3.0%
Q2 25
0.1%
1.1%
Q1 25
0.6%
1.0%
Q4 24
0.4%
0.7%
Q3 24
0.2%
1.2%
Q2 24
0.5%
3.3%
Cash Conversion
CERT
CERT
PRLB
PRLB
Q1 26
2.16×
Q4 25
Q3 25
21.19×
4.03×
Q2 25
2.39×
Q1 25
3.66×
5.11×
Q4 24
7.51×
Q3 24
3.44×
Q2 24
3.18×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CERT
CERT

Segment breakdown not available.

PRLB
PRLB

CNC Machining$63.2M45%
Injection Molding$51.1M37%
3D Printing$20.5M15%
Sheet Metal$4.4M3%
Other Revenue$207.0K0%

Related Comparisons