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Side-by-side financial comparison of PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) and SS Innovations International, Inc. (SSII). Click either name above to swap in a different company.

PERMA FIX ENVIRONMENTAL SERVICES INC is the larger business by last-quarter revenue ($15.7M vs $14.5M, roughly 1.1× SS Innovations International, Inc.). SS Innovations International, Inc. runs the higher net margin — -17.0% vs -36.0%, a 19.0% gap on every dollar of revenue. On growth, SS Innovations International, Inc. posted the faster year-over-year revenue change (79.1% vs 6.9%). SS Innovations International, Inc. produced more free cash flow last quarter ($-3.2M vs $-4.2M). Over the past eight quarters, SS Innovations International, Inc.'s revenue compounded faster (99.9% CAGR vs 7.4%).

Perma-Fix Environmental Services Inc provides end-to-end environmental and waste management solutions, specializing in the treatment, processing, and disposal of hazardous, radioactive, and mixed waste streams. It serves U.S. federal government agencies, nuclear facility operators, and industrial clients across the energy, manufacturing, and defense segments.

SS Innovations International, Inc. is a global medical technology enterprise specializing in the research, development and manufacturing of innovative surgical robotic systems. It provides high-precision, accessible robotic platforms for minimally invasive surgery, catering to healthcare facilities across multiple regions to boost surgical outcomes and cut procedural burdens.

PESI vs SSII — Head-to-Head

Bigger by revenue
PESI
PESI
1.1× larger
PESI
$15.7M
$14.5M
SSII
Growing faster (revenue YoY)
SSII
SSII
+72.2% gap
SSII
79.1%
6.9%
PESI
Higher net margin
SSII
SSII
19.0% more per $
SSII
-17.0%
-36.0%
PESI
More free cash flow
SSII
SSII
$988.9K more FCF
SSII
$-3.2M
$-4.2M
PESI
Faster 2-yr revenue CAGR
SSII
SSII
Annualised
SSII
99.9%
7.4%
PESI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PESI
PESI
SSII
SSII
Revenue
$15.7M
$14.5M
Net Profit
$-5.7M
$-2.5M
Gross Margin
7.7%
43.9%
Operating Margin
-20.6%
-3.7%
Net Margin
-36.0%
-17.0%
Revenue YoY
6.9%
79.1%
Net Profit YoY
-62.2%
-28.5%
EPS (diluted)
$-0.31
$-0.01

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
PESI
PESI
SSII
SSII
Q4 25
$15.7M
$14.5M
Q3 25
$17.5M
$12.8M
Q2 25
$14.6M
$10.0M
Q1 25
$13.9M
$5.1M
Q4 24
$14.7M
$8.1M
Q3 24
$16.8M
$4.4M
Q2 24
$14.0M
$4.5M
Q1 24
$13.6M
$3.6M
Net Profit
PESI
PESI
SSII
SSII
Q4 25
$-5.7M
$-2.5M
Q3 25
$-1.8M
$-3.7M
Q2 25
$-2.7M
$-256.7K
Q1 25
$-3.6M
$-5.7M
Q4 24
$-3.5M
$-1.9M
Q3 24
$-9.0M
$-3.2M
Q2 24
$-4.0M
$-4.1M
Q1 24
$-3.6M
$-9.8M
Gross Margin
PESI
PESI
SSII
SSII
Q4 25
7.7%
43.9%
Q3 25
14.6%
48.1%
Q2 25
10.6%
59.1%
Q1 25
4.7%
21.2%
Q4 24
4.0%
48.9%
Q3 24
7.9%
52.8%
Q2 24
-9.3%
31.9%
Q1 24
-4.6%
20.0%
Operating Margin
PESI
PESI
SSII
SSII
Q4 25
-20.6%
-3.7%
Q3 25
-10.7%
-14.3%
Q2 25
-19.8%
1.0%
Q1 25
-26.8%
-115.6%
Q4 24
-24.4%
-22.7%
Q3 24
-15.5%
-73.1%
Q2 24
-36.0%
-90.9%
Q1 24
-32.8%
-270.3%
Net Margin
PESI
PESI
SSII
SSII
Q4 25
-36.0%
-17.0%
Q3 25
-10.5%
-29.0%
Q2 25
-18.6%
-2.6%
Q1 25
-25.7%
-111.0%
Q4 24
-23.7%
-23.7%
Q3 24
-53.4%
-74.0%
Q2 24
-28.2%
-91.8%
Q1 24
-26.1%
-270.5%
EPS (diluted)
PESI
PESI
SSII
SSII
Q4 25
$-0.31
$-0.01
Q3 25
$-0.10
$-0.02
Q2 25
$-0.15
$0.00
Q1 25
$-0.19
$-0.03
Q4 24
$-0.23
$-0.01
Q3 24
$-0.57
$-0.02
Q2 24
$-0.27
$-0.02
Q1 24
$-0.26
$-0.06

Balance Sheet & Financial Strength

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

Metric
PESI
PESI
SSII
SSII
Cash + ST InvestmentsLiquidity on hand
$3.2M
Total DebtLower is stronger
$1.9M
Stockholders' EquityBook value
$50.1M
$38.2M
Total Assets
$88.0M
$74.2M
Debt / EquityLower = less leverage
0.04×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PESI
PESI
SSII
SSII
Q4 25
$3.2M
Q3 25
$5.7M
Q2 25
$11.4M
Q1 25
$15.9M
Q4 24
$466.5K
Q3 24
$220.4K
Q2 24
$608.2K
Q1 24
$948.1K
Total Debt
PESI
PESI
SSII
SSII
Q4 25
$1.9M
Q3 25
$1.9M
Q2 25
$2.0M
Q1 25
$2.2M
Q4 24
$2.3M
Q3 24
$2.5M
Q2 24
$2.2M
Q1 24
$2.5M
Stockholders' Equity
PESI
PESI
SSII
SSII
Q4 25
$50.1M
$38.2M
Q3 25
$55.4M
$39.6M
Q2 25
$56.8M
$42.0M
Q1 25
$59.2M
$40.6M
Q4 24
$62.4M
$13.5M
Q3 24
$42.4M
$13.7M
Q2 24
$51.0M
$14.8M
Q1 24
$36.2M
$16.7M
Total Assets
PESI
PESI
SSII
SSII
Q4 25
$88.0M
$74.2M
Q3 25
$91.2M
$69.6M
Q2 25
$90.2M
$70.0M
Q1 25
$92.9M
$63.5M
Q4 24
$97.2M
$42.4M
Q3 24
$78.2M
$39.0M
Q2 24
$87.0M
$35.7M
Q1 24
$74.0M
$35.2M
Debt / Equity
PESI
PESI
SSII
SSII
Q4 25
0.04×
Q3 25
0.03×
Q2 25
0.04×
Q1 25
0.04×
Q4 24
0.04×
Q3 24
0.06×
Q2 24
0.04×
Q1 24
0.07×

Cash Flow & Capital Efficiency

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

Metric
PESI
PESI
SSII
SSII
Operating Cash FlowLast quarter
$-2.1M
$-1.5M
Free Cash FlowOCF − Capex
$-4.2M
$-3.2M
FCF MarginFCF / Revenue
-26.9%
-22.3%
Capex IntensityCapex / Revenue
13.4%
11.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-15.5M
$-22.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PESI
PESI
SSII
SSII
Q4 25
$-2.1M
$-1.5M
Q3 25
$-4.6M
$-7.5M
Q2 25
$-1.9M
$-3.5M
Q1 25
$-2.1M
$-6.1M
Q4 24
$-3.3M
$-3.3M
Q3 24
$-5.6M
$-2.5M
Q2 24
$-1.3M
$-1.0M
Q1 24
$-4.5M
$-2.7M
Free Cash Flow
PESI
PESI
SSII
SSII
Q4 25
$-4.2M
$-3.2M
Q3 25
$-5.8M
$-8.2M
Q2 25
$-2.8M
$-3.8M
Q1 25
$-2.6M
$-7.0M
Q4 24
$-4.5M
$-3.4M
Q3 24
$-7.0M
$-4.2M
Q2 24
$-1.9M
$-3.1M
Q1 24
$-4.8M
$-2.8M
FCF Margin
PESI
PESI
SSII
SSII
Q4 25
-26.9%
-22.3%
Q3 25
-33.3%
-64.1%
Q2 25
-19.2%
-37.7%
Q1 25
-18.9%
-136.2%
Q4 24
-30.5%
-41.7%
Q3 24
-41.7%
-96.9%
Q2 24
-13.5%
-69.5%
Q1 24
-35.0%
-76.9%
Capex Intensity
PESI
PESI
SSII
SSII
Q4 25
13.4%
11.8%
Q3 25
6.7%
5.9%
Q2 25
6.2%
3.2%
Q1 25
3.8%
17.0%
Q4 24
8.0%
1.5%
Q3 24
8.2%
38.8%
Q2 24
4.3%
46.8%
Q1 24
1.8%
3.5%

Financial Flow Comparison

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

Revenue Breakdown by Segment

PESI
PESI

Fixed Price$11.4M73%
Services$4.3M27%

SSII
SSII

System Sales$13.4M92%
Other$1.2M8%

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