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Side-by-side financial comparison of INNOSPEC INC. (IOSP) and Perimeter Solutions, Inc. (PRM). Click either name above to swap in a different company.

INNOSPEC INC. is the larger business by last-quarter revenue ($455.6M vs $102.8M, roughly 4.4× Perimeter Solutions, Inc.). INNOSPEC INC. runs the higher net margin — 10.4% vs -136.5%, a 146.9% gap on every dollar of revenue. On growth, Perimeter Solutions, Inc. posted the faster year-over-year revenue change (19.2% vs -2.4%). INNOSPEC INC. produced more free cash flow last quarter ($46.8M vs $11.6M). Over the past eight quarters, Perimeter Solutions, Inc.'s revenue compounded faster (31.9% CAGR vs -4.6%).

Innospec Inc., formerly known as Octel Corporation and Associated Octel Company, Ltd., is an American specialty chemical company. It comprises three business units:The Performance Chemicals business trades in the personal care, home care, agrochemical, mining and industrial markets. The Fuel Specialties business specializes in manufacturing and supplying fuel additives. The Oilfield Services business supplies drilling, completion and production chemicals.

Perimeter 81 is an Israeli cloud and network security company that develops secure remote networks, based on the zero trust architecture, for organizations. Its technology replaces legacy security appliances like VPNs and firewalls.

IOSP vs PRM — Head-to-Head

Bigger by revenue
IOSP
IOSP
4.4× larger
IOSP
$455.6M
$102.8M
PRM
Growing faster (revenue YoY)
PRM
PRM
+21.6% gap
PRM
19.2%
-2.4%
IOSP
Higher net margin
IOSP
IOSP
146.9% more per $
IOSP
10.4%
-136.5%
PRM
More free cash flow
IOSP
IOSP
$35.2M more FCF
IOSP
$46.8M
$11.6M
PRM
Faster 2-yr revenue CAGR
PRM
PRM
Annualised
PRM
31.9%
-4.6%
IOSP

Income Statement — Q4 2025 vs Q4 2025

Metric
IOSP
IOSP
PRM
PRM
Revenue
$455.6M
$102.8M
Net Profit
$47.4M
$-140.2M
Gross Margin
28.0%
45.2%
Operating Margin
10.3%
-160.7%
Net Margin
10.4%
-136.5%
Revenue YoY
-2.4%
19.2%
Net Profit YoY
167.3%
-197.3%
EPS (diluted)
$1.90
$-0.89

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
IOSP
IOSP
PRM
PRM
Q4 25
$455.6M
$102.8M
Q3 25
$441.9M
$315.4M
Q2 25
$439.7M
$162.6M
Q1 25
$440.8M
$72.0M
Q4 24
$466.8M
$86.2M
Q3 24
$443.4M
$288.4M
Q2 24
$435.0M
$127.3M
Q1 24
$500.2M
$59.0M
Net Profit
IOSP
IOSP
PRM
PRM
Q4 25
$47.4M
$-140.2M
Q3 25
$12.9M
$-90.7M
Q2 25
$23.5M
$-32.2M
Q1 25
$32.8M
$56.7M
Q4 24
$-70.4M
$144.2M
Q3 24
$33.4M
$-89.2M
Q2 24
$31.2M
$21.6M
Q1 24
$41.4M
$-82.6M
Gross Margin
IOSP
IOSP
PRM
PRM
Q4 25
28.0%
45.2%
Q3 25
26.4%
63.1%
Q2 25
28.0%
62.4%
Q1 25
28.4%
39.1%
Q4 24
29.2%
48.6%
Q3 24
28.0%
62.8%
Q2 24
29.2%
57.6%
Q1 24
31.1%
35.1%
Operating Margin
IOSP
IOSP
PRM
PRM
Q4 25
10.3%
-160.7%
Q3 25
1.3%
-27.7%
Q2 25
7.8%
-16.1%
Q1 25
9.6%
Q4 24
8.8%
71.1%
Q3 24
10.3%
-12.2%
Q2 24
9.4%
35.4%
Q1 24
10.1%
-126.8%
Net Margin
IOSP
IOSP
PRM
PRM
Q4 25
10.4%
-136.5%
Q3 25
2.9%
-28.7%
Q2 25
5.3%
-19.8%
Q1 25
7.4%
78.7%
Q4 24
-15.1%
167.2%
Q3 24
7.5%
-30.9%
Q2 24
7.2%
17.0%
Q1 24
8.3%
-139.8%
EPS (diluted)
IOSP
IOSP
PRM
PRM
Q4 25
$1.90
$-0.89
Q3 25
$0.52
$-0.62
Q2 25
$0.94
$-0.22
Q1 25
$1.31
$0.36
Q4 24
$-2.80
$1.00
Q3 24
$1.33
$-0.61
Q2 24
$1.24
$0.14
Q1 24
$1.65
$-0.57

Balance Sheet & Financial Strength

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

Metric
IOSP
IOSP
PRM
PRM
Cash + ST InvestmentsLiquidity on hand
$292.5M
$325.9M
Total DebtLower is stronger
$669.1M
Stockholders' EquityBook value
$1.3B
$1.1B
Total Assets
$1.8B
$2.7B
Debt / EquityLower = less leverage
0.59×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IOSP
IOSP
PRM
PRM
Q4 25
$292.5M
$325.9M
Q3 25
$270.8M
$340.6M
Q2 25
$266.6M
$140.7M
Q1 25
$299.8M
$200.1M
Q4 24
$289.2M
$198.5M
Q3 24
$303.8M
$223.1M
Q2 24
$240.2M
$43.2M
Q1 24
$270.1M
$38.7M
Total Debt
IOSP
IOSP
PRM
PRM
Q4 25
$669.1M
Q3 25
$668.8M
Q2 25
$668.4M
Q1 25
$668.1M
Q4 24
$667.8M
Q3 24
$667.4M
Q2 24
$667.1M
Q1 24
$666.8M
Stockholders' Equity
IOSP
IOSP
PRM
PRM
Q4 25
$1.3B
$1.1B
Q3 25
$1.3B
$1.1B
Q2 25
$1.3B
$1.2B
Q1 25
$1.3B
$1.2B
Q4 24
$1.2B
$1.2B
Q3 24
$1.2B
$1.0B
Q2 24
$1.2B
$1.1B
Q1 24
$1.2B
$1.1B
Total Assets
IOSP
IOSP
PRM
PRM
Q4 25
$1.8B
$2.7B
Q3 25
$1.8B
$2.6B
Q2 25
$1.8B
$2.5B
Q1 25
$1.8B
$2.4B
Q4 24
$1.7B
$2.4B
Q3 24
$1.8B
$2.5B
Q2 24
$1.7B
$2.3B
Q1 24
$1.7B
$2.3B
Debt / Equity
IOSP
IOSP
PRM
PRM
Q4 25
0.59×
Q3 25
0.60×
Q2 25
0.57×
Q1 25
0.55×
Q4 24
0.58×
Q3 24
0.67×
Q2 24
0.62×
Q1 24
0.63×

Cash Flow & Capital Efficiency

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

Metric
IOSP
IOSP
PRM
PRM
Operating Cash FlowLast quarter
$61.4M
$18.6M
Free Cash FlowOCF − Capex
$46.8M
$11.6M
FCF MarginFCF / Revenue
10.3%
11.3%
Capex IntensityCapex / Revenue
3.2%
6.8%
Cash ConversionOCF / Net Profit
1.30×
TTM Free Cash FlowTrailing 4 quarters
$88.0M
$208.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IOSP
IOSP
PRM
PRM
Q4 25
$61.4M
$18.6M
Q3 25
$39.3M
$198.7M
Q2 25
$9.3M
$-2.9M
Q1 25
$28.3M
$23.7M
Q4 24
$25.7M
$-6.0M
Q3 24
$73.5M
$183.0M
Q2 24
$4.7M
$8.6M
Q1 24
$80.6M
$2.8M
Free Cash Flow
IOSP
IOSP
PRM
PRM
Q4 25
$46.8M
$11.6M
Q3 25
$25.0M
$193.6M
Q2 25
$-3.7M
$-15.6M
Q1 25
$19.9M
$18.9M
Q4 24
$13.6M
$-12.4M
Q3 24
$65.8M
$179.1M
Q2 24
$-6.2M
$5.0M
Q1 24
$69.9M
$1.2M
FCF Margin
IOSP
IOSP
PRM
PRM
Q4 25
10.3%
11.3%
Q3 25
5.7%
61.4%
Q2 25
-0.8%
-9.6%
Q1 25
4.5%
26.3%
Q4 24
2.9%
-14.4%
Q3 24
14.8%
62.1%
Q2 24
-1.4%
3.9%
Q1 24
14.0%
2.1%
Capex Intensity
IOSP
IOSP
PRM
PRM
Q4 25
3.2%
6.8%
Q3 25
3.2%
1.6%
Q2 25
3.0%
7.8%
Q1 25
1.9%
6.7%
Q4 24
2.6%
7.5%
Q3 24
1.7%
1.3%
Q2 24
2.5%
2.9%
Q1 24
2.1%
2.6%
Cash Conversion
IOSP
IOSP
PRM
PRM
Q4 25
1.30×
Q3 25
3.05×
Q2 25
0.40×
Q1 25
0.86×
0.42×
Q4 24
-0.04×
Q3 24
2.20×
Q2 24
0.15×
0.40×
Q1 24
1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IOSP
IOSP

Refinery And Performance$147.0M32%
Personal Care$99.7M22%
Oilfield Services$93.1M20%
Other Fuel Specialties$47.1M10%
Other Performance Chemicals$40.0M9%
Home Care$28.7M6%

PRM
PRM

Products$87.7M85%
Service And Other$14.8M14%

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