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Side-by-side financial comparison of System1, Inc. (SST) and TAT TECHNOLOGIES LTD (TATT). Click either name above to swap in a different company.

System1, Inc. is the larger business by last-quarter revenue ($51.9M vs $46.2M, roughly 1.1× TAT TECHNOLOGIES LTD). TAT TECHNOLOGIES LTD runs the higher net margin — 10.5% vs -26.0%, a 36.4% gap on every dollar of revenue.

System1 is an American Internet advertising company. Formerly known as OpenMail, it was founded in 2013. It describes itself as operating a "Responsive Acquisition Marketing Platform", and cites privacy as one of its principal foci, although it has been criticized for its influence on privacy-focused properties, including search engine Startpage.com. It is headquartered in Marina del Rey, California.

TAT Technologies Ltd. is a publicly traded company, headquartered in the United States, providing environmental control products and services for the commercial and military aviation industries. Its shares are traded on the NASDAQ Capital Market and on the Tel Aviv Stock Exchange.

SST vs TATT — Head-to-Head

Bigger by revenue
SST
SST
1.1× larger
SST
$51.9M
$46.2M
TATT
Higher net margin
TATT
TATT
36.4% more per $
TATT
10.5%
-26.0%
SST

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
SST
SST
TATT
TATT
Revenue
$51.9M
$46.2M
Net Profit
$-13.5M
$4.8M
Gross Margin
41.0%
25.1%
Operating Margin
-33.6%
11.4%
Net Margin
-26.0%
10.5%
Revenue YoY
-31.3%
Net Profit YoY
4.8%
EPS (diluted)
$-3.58
$0.37

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
SST
SST
TATT
TATT
Q4 25
$51.9M
Q3 25
$61.6M
$46.2M
Q2 25
$78.1M
$43.1M
Q1 25
$74.5M
Q4 24
$75.6M
Q3 24
$88.8M
Q2 24
$94.6M
Q1 24
$84.9M
Net Profit
SST
SST
TATT
TATT
Q4 25
$-13.5M
Q3 25
$-18.5M
$4.8M
Q2 25
$-17.5M
$3.4M
Q1 25
$-15.9M
Q4 24
$-14.2M
Q3 24
$-23.6M
Q2 24
$-26.4M
Q1 24
$-10.5M
Gross Margin
SST
SST
TATT
TATT
Q4 25
41.0%
Q3 25
36.9%
25.1%
Q2 25
35.7%
25.1%
Q1 25
38.2%
Q4 24
42.1%
Q3 24
28.0%
Q2 24
27.6%
Q1 24
21.9%
Operating Margin
SST
SST
TATT
TATT
Q4 25
-33.6%
Q3 25
-25.3%
11.4%
Q2 25
-20.4%
10.3%
Q1 25
-17.6%
Q4 24
-15.7%
Q3 24
-24.6%
Q2 24
-30.8%
Q1 24
-30.4%
Net Margin
SST
SST
TATT
TATT
Q4 25
-26.0%
Q3 25
-30.1%
10.5%
Q2 25
-22.4%
8.0%
Q1 25
-21.3%
Q4 24
-18.7%
Q3 24
-26.6%
Q2 24
-27.9%
Q1 24
-12.4%
EPS (diluted)
SST
SST
TATT
TATT
Q4 25
$-3.58
Q3 25
$-2.30
$0.37
Q2 25
$-2.23
$0.30
Q1 25
$-0.21
Q4 24
$-3.41
Q3 24
$-3.37
Q2 24
$-3.80
Q1 24
$-0.16

Balance Sheet & Financial Strength

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

Metric
SST
SST
TATT
TATT
Cash + ST InvestmentsLiquidity on hand
$86.9M
$47.1M
Total DebtLower is stronger
$305.1M
$9.9M
Stockholders' EquityBook value
$30.5M
$170.7M
Total Assets
$405.0M
$224.1M
Debt / EquityLower = less leverage
10.01×
0.06×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SST
SST
TATT
TATT
Q4 25
$86.9M
Q3 25
$54.6M
$47.1M
Q2 25
$63.6M
$43.1M
Q1 25
$43.9M
Q4 24
$63.6M
Q3 24
$69.1M
Q2 24
$75.7M
Q1 24
$69.9M
Total Debt
SST
SST
TATT
TATT
Q4 25
$305.1M
Q3 25
$259.2M
$9.9M
Q2 25
$263.3M
$10.3M
Q1 25
$267.4M
Q4 24
$255.1M
Q3 24
$259.2M
Q2 24
$263.3M
Q1 24
$268.6M
Stockholders' Equity
SST
SST
TATT
TATT
Q4 25
$30.5M
Q3 25
$42.7M
$170.7M
Q2 25
$58.2M
$165.8M
Q1 25
$67.2M
Q4 24
$80.3M
Q3 24
$90.3M
Q2 24
$109.4M
Q1 24
$131.7M
Total Assets
SST
SST
TATT
TATT
Q4 25
$405.0M
Q3 25
$385.2M
$224.1M
Q2 25
$429.2M
$213.6M
Q1 25
$419.2M
Q4 24
$459.1M
Q3 24
$479.3M
Q2 24
$511.3M
Q1 24
$521.1M
Debt / Equity
SST
SST
TATT
TATT
Q4 25
10.01×
Q3 25
6.07×
0.06×
Q2 25
4.53×
0.06×
Q1 25
3.98×
Q4 24
3.18×
Q3 24
2.87×
Q2 24
2.41×
Q1 24
2.04×

Cash Flow & Capital Efficiency

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

Metric
SST
SST
TATT
TATT
Operating Cash FlowLast quarter
$-10.6M
$7.5M
Free Cash FlowOCF − Capex
$4.8M
FCF MarginFCF / Revenue
10.3%
Capex IntensityCapex / Revenue
0.0%
5.9%
Cash ConversionOCF / Net Profit
1.55×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SST
SST
TATT
TATT
Q4 25
$-10.6M
Q3 25
$-2.1M
$7.5M
Q2 25
$24.5M
$6.9M
Q1 25
$-15.9M
Q4 24
$772.0K
Q3 24
$-5.0K
Q2 24
$10.0M
Q1 24
$-16.0M
Free Cash Flow
SST
SST
TATT
TATT
Q4 25
Q3 25
$4.8M
Q2 25
$3.6M
Q1 25
$-16.0M
Q4 24
Q3 24
$-36.0K
Q2 24
Q1 24
FCF Margin
SST
SST
TATT
TATT
Q4 25
Q3 25
10.3%
Q2 25
8.5%
Q1 25
-21.5%
Q4 24
Q3 24
-0.0%
Q2 24
Q1 24
Capex Intensity
SST
SST
TATT
TATT
Q4 25
0.0%
Q3 25
0.0%
5.9%
Q2 25
0.0%
7.7%
Q1 25
0.1%
Q4 24
0.0%
Q3 24
0.0%
Q2 24
0.0%
Q1 24
0.0%
Cash Conversion
SST
SST
TATT
TATT
Q4 25
Q3 25
1.55×
Q2 25
2.02×
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

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