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Side-by-side financial comparison of FEDERAL SIGNAL CORP (FSS) and Polestar Automotive Holding UK PLC (PSNY). Click either name above to swap in a different company.

Polestar Automotive Holding UK PLC is the larger business by last-quarter revenue ($685.2M vs $597.1M, roughly 1.1× FEDERAL SIGNAL CORP). FEDERAL SIGNAL CORP runs the higher net margin — 10.2% vs -44.4%, a 54.6% gap on every dollar of revenue. FEDERAL SIGNAL CORP produced more free cash flow last quarter ($89.5M vs $-709.7M).

The Federal Signal Company was an American manufacturer of railway signaling equipment in the early 20th century. It was located in Albany, New York.

Polestar Automotive Holding UK PLC, or simply Polestar, is a Swedish automotive manufacturer that produces electric cars. Principally owned by Li Shufu's PSD Investment, Geely Holding and Volvo Cars, the company is headquartered in Torslanda, outside Gothenburg, Sweden. With an "asset-light" approach in development and manufacturing, Polestar does not have its own manufacturing facility; instead it produces cars in facilities controlled by Volvo or Geely in several countries, including China,...

FSS vs PSNY — Head-to-Head

Bigger by revenue
PSNY
PSNY
1.1× larger
PSNY
$685.2M
$597.1M
FSS
Higher net margin
FSS
FSS
54.6% more per $
FSS
10.2%
-44.4%
PSNY
More free cash flow
FSS
FSS
$799.2M more FCF
FSS
$89.5M
$-709.7M
PSNY

Income Statement — Q4 FY2025 vs Q2 FY2023

Metric
FSS
FSS
PSNY
PSNY
Revenue
$597.1M
$685.2M
Net Profit
$60.8M
$-304.1M
Gross Margin
28.4%
-0.1%
Operating Margin
14.0%
-72.6%
Net Margin
10.2%
-44.4%
Revenue YoY
26.5%
Net Profit YoY
21.6%
EPS (diluted)
$0.99
$-0.14

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
FSS
FSS
PSNY
PSNY
Q4 25
$597.1M
Q3 25
$555.0M
Q2 25
$564.6M
Q1 25
$463.8M
Q4 24
$472.0M
Q3 24
$474.2M
Q2 24
$490.4M
Q1 24
$424.9M
Net Profit
FSS
FSS
PSNY
PSNY
Q4 25
$60.8M
Q3 25
$68.1M
Q2 25
$71.4M
Q1 25
$46.3M
Q4 24
$50.0M
Q3 24
$53.9M
Q2 24
$60.8M
Q1 24
$51.6M
Gross Margin
FSS
FSS
PSNY
PSNY
Q4 25
28.4%
Q3 25
29.1%
Q2 25
30.0%
Q1 25
28.2%
Q4 24
28.1%
Q3 24
29.6%
Q2 24
29.4%
Q1 24
27.3%
Operating Margin
FSS
FSS
PSNY
PSNY
Q4 25
14.0%
Q3 25
16.9%
Q2 25
17.3%
Q1 25
14.2%
Q4 24
14.9%
Q3 24
16.0%
Q2 24
16.5%
Q1 24
12.8%
Net Margin
FSS
FSS
PSNY
PSNY
Q4 25
10.2%
Q3 25
12.3%
Q2 25
12.6%
Q1 25
10.0%
Q4 24
10.6%
Q3 24
11.4%
Q2 24
12.4%
Q1 24
12.1%
EPS (diluted)
FSS
FSS
PSNY
PSNY
Q4 25
$0.99
Q3 25
$1.11
Q2 25
$1.16
Q1 25
$0.75
Q4 24
$0.80
Q3 24
$0.87
Q2 24
$0.99
Q1 24
$0.84

Balance Sheet & Financial Strength

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

Metric
FSS
FSS
PSNY
PSNY
Cash + ST InvestmentsLiquidity on hand
$63.7M
$1.1B
Total DebtLower is stronger
$564.6M
$1.6B
Stockholders' EquityBook value
$1.4B
$-456.3M
Total Assets
$2.4B
$4.3B
Debt / EquityLower = less leverage
0.41×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSS
FSS
PSNY
PSNY
Q4 25
$63.7M
Q3 25
$54.4M
Q2 25
$64.7M
Q1 25
$57.5M
Q4 24
$91.1M
Q3 24
$73.7M
Q2 24
$48.6M
Q1 24
$48.9M
Total Debt
FSS
FSS
PSNY
PSNY
Q4 25
$564.6M
Q3 25
$201.2M
Q2 25
$258.3M
Q1 25
$266.9M
Q4 24
$204.4M
Q3 24
$223.3M
Q2 24
$248.8M
Q1 24
$266.8M
Stockholders' Equity
FSS
FSS
PSNY
PSNY
Q4 25
$1.4B
Q3 25
$1.3B
Q2 25
$1.3B
Q1 25
$1.2B
Q4 24
$1.2B
Q3 24
$1.1B
Q2 24
$1.1B
Q1 24
$1.0B
Total Assets
FSS
FSS
PSNY
PSNY
Q4 25
$2.4B
Q3 25
$1.9B
Q2 25
$1.9B
Q1 25
$1.9B
Q4 24
$1.8B
Q3 24
$1.7B
Q2 24
$1.7B
Q1 24
$1.7B
Debt / Equity
FSS
FSS
PSNY
PSNY
Q4 25
0.41×
Q3 25
0.15×
Q2 25
0.20×
Q1 25
0.22×
Q4 24
0.17×
Q3 24
0.19×
Q2 24
0.23×
Q1 24
0.26×

Cash Flow & Capital Efficiency

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

Metric
FSS
FSS
PSNY
PSNY
Operating Cash FlowLast quarter
$97.2M
$-666.7M
Free Cash FlowOCF − Capex
$89.5M
$-709.7M
FCF MarginFCF / Revenue
15.0%
-103.6%
Capex IntensityCapex / Revenue
1.3%
6.3%
Cash ConversionOCF / Net Profit
1.60×
TTM Free Cash FlowTrailing 4 quarters
$227.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSS
FSS
PSNY
PSNY
Q4 25
$97.2M
Q3 25
$61.1M
Q2 25
$59.7M
Q1 25
$36.7M
Q4 24
$90.6M
Q3 24
$68.8M
Q2 24
$40.6M
Q1 24
$31.3M
Free Cash Flow
FSS
FSS
PSNY
PSNY
Q4 25
$89.5M
Q3 25
$54.1M
Q2 25
$52.4M
Q1 25
$31.1M
Q4 24
$82.1M
Q3 24
$60.9M
Q2 24
$24.8M
Q1 24
$22.9M
FCF Margin
FSS
FSS
PSNY
PSNY
Q4 25
15.0%
Q3 25
9.7%
Q2 25
9.3%
Q1 25
6.7%
Q4 24
17.4%
Q3 24
12.8%
Q2 24
5.1%
Q1 24
5.4%
Capex Intensity
FSS
FSS
PSNY
PSNY
Q4 25
1.3%
Q3 25
1.3%
Q2 25
1.3%
Q1 25
1.2%
Q4 24
1.8%
Q3 24
1.7%
Q2 24
3.2%
Q1 24
2.0%
Cash Conversion
FSS
FSS
PSNY
PSNY
Q4 25
1.60×
Q3 25
0.90×
Q2 25
0.84×
Q1 25
0.79×
Q4 24
1.81×
Q3 24
1.28×
Q2 24
0.67×
Q1 24
0.61×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FSS
FSS

Vehiclesandequipment$403.4M68%
Parts$66.8M11%
Publicsafetyandsecurityequipment$62.2M10%
Rentalincome$19.0M3%
Industrialsignalingequipment$18.2M3%
Other$14.9M2%
Warningsystems$12.6M2%

PSNY
PSNY

Segment breakdown not available.

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