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Side-by-side financial comparison of ACI WORLDWIDE, INC. (ACIW) and INNOSPEC INC. (IOSP). Click either name above to swap in a different company.

INNOSPEC INC. is the larger business by last-quarter revenue ($453.2M vs $425.7M, roughly 1.1× ACI WORLDWIDE, INC.). ACI WORLDWIDE, INC. runs the higher net margin — 9.0% vs 6.8%, a 2.2% gap on every dollar of revenue. On growth, ACI WORLDWIDE, INC. posted the faster year-over-year revenue change (7.9% vs 2.8%). Over the past eight quarters, ACI WORLDWIDE, INC.'s revenue compounded faster (6.8% CAGR vs 2.1%).

ACI Worldwide is a digital payments software company headquartered in Elkhorn, Nebraska, that processes billions of transactions daily equating to trillions of U.S. dollars for customers in 94 countries. Banks, financial institutions, merchants, billers, acquirers, issuers, and other third-party payment service providers use its intelligent solutions to deploy secure payment rails across all channels.

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.

ACIW vs IOSP — Head-to-Head

Bigger by revenue
IOSP
IOSP
1.1× larger
IOSP
$453.2M
$425.7M
ACIW
Growing faster (revenue YoY)
ACIW
ACIW
+5.1% gap
ACIW
7.9%
2.8%
IOSP
Higher net margin
ACIW
ACIW
2.2% more per $
ACIW
9.0%
6.8%
IOSP
Faster 2-yr revenue CAGR
ACIW
ACIW
Annualised
ACIW
6.8%
2.1%
IOSP

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
ACIW
ACIW
IOSP
IOSP
Revenue
$425.7M
$453.2M
Net Profit
$38.3M
$30.8M
Gross Margin
27.3%
Operating Margin
13.5%
8.1%
Net Margin
9.0%
6.8%
Revenue YoY
7.9%
2.8%
Net Profit YoY
-8.3%
EPS (diluted)
$0.37
$1.22

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
ACIW
ACIW
IOSP
IOSP
Q1 26
$425.7M
$453.2M
Q4 25
$481.6M
$455.6M
Q3 25
$482.4M
$441.9M
Q2 25
$401.3M
$439.7M
Q1 25
$394.6M
$440.8M
Q4 24
$453.0M
$466.8M
Q3 24
$451.8M
$443.4M
Q2 24
$373.5M
$435.0M
Net Profit
ACIW
ACIW
IOSP
IOSP
Q1 26
$38.3M
$30.8M
Q4 25
$64.3M
$47.4M
Q3 25
$91.3M
$12.9M
Q2 25
$12.2M
$23.5M
Q1 25
$58.9M
$32.8M
Q4 24
$98.6M
$-70.4M
Q3 24
$81.4M
$33.4M
Q2 24
$30.9M
$31.2M
Gross Margin
ACIW
ACIW
IOSP
IOSP
Q1 26
27.3%
Q4 25
53.0%
28.0%
Q3 25
53.7%
26.4%
Q2 25
41.5%
28.0%
Q1 25
45.9%
28.4%
Q4 24
55.8%
29.2%
Q3 24
56.3%
28.0%
Q2 24
45.6%
29.2%
Operating Margin
ACIW
ACIW
IOSP
IOSP
Q1 26
13.5%
8.1%
Q4 25
22.6%
10.3%
Q3 25
26.5%
1.3%
Q2 25
8.7%
7.8%
Q1 25
14.8%
9.6%
Q4 24
27.0%
8.8%
Q3 24
27.1%
10.3%
Q2 24
14.4%
9.4%
Net Margin
ACIW
ACIW
IOSP
IOSP
Q1 26
9.0%
6.8%
Q4 25
13.4%
10.4%
Q3 25
18.9%
2.9%
Q2 25
3.0%
5.3%
Q1 25
14.9%
7.4%
Q4 24
21.8%
-15.1%
Q3 24
18.0%
7.5%
Q2 24
8.3%
7.2%
EPS (diluted)
ACIW
ACIW
IOSP
IOSP
Q1 26
$0.37
$1.22
Q4 25
$0.61
$1.90
Q3 25
$0.88
$0.52
Q2 25
$0.12
$0.94
Q1 25
$0.55
$1.31
Q4 24
$0.92
$-2.80
Q3 24
$0.77
$1.33
Q2 24
$0.29
$1.24

Balance Sheet & Financial Strength

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

Metric
ACIW
ACIW
IOSP
IOSP
Cash + ST InvestmentsLiquidity on hand
$161.8M
$289.1M
Total DebtLower is stronger
$807.4M
Stockholders' EquityBook value
$1.5B
$1.4B
Total Assets
$3.1B
$1.8B
Debt / EquityLower = less leverage
0.54×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACIW
ACIW
IOSP
IOSP
Q1 26
$161.8M
$289.1M
Q4 25
$196.5M
$292.5M
Q3 25
$199.3M
$270.8M
Q2 25
$189.7M
$266.6M
Q1 25
$230.1M
$299.8M
Q4 24
$216.4M
$289.2M
Q3 24
$177.9M
$303.8M
Q2 24
$157.0M
$240.2M
Total Debt
ACIW
ACIW
IOSP
IOSP
Q1 26
$807.4M
Q4 25
$817.6M
Q3 25
$867.8M
Q2 25
$898.0M
Q1 25
$845.9M
Q4 24
$924.6M
Q3 24
$994.3M
Q2 24
$1.0B
Stockholders' Equity
ACIW
ACIW
IOSP
IOSP
Q1 26
$1.5B
$1.4B
Q4 25
$1.5B
$1.3B
Q3 25
$1.5B
$1.3B
Q2 25
$1.4B
$1.3B
Q1 25
$1.5B
$1.3B
Q4 24
$1.4B
$1.2B
Q3 24
$1.3B
$1.2B
Q2 24
$1.2B
$1.2B
Total Assets
ACIW
ACIW
IOSP
IOSP
Q1 26
$3.1B
$1.8B
Q4 25
$3.1B
$1.8B
Q3 25
$3.2B
$1.8B
Q2 25
$3.1B
$1.8B
Q1 25
$3.2B
$1.8B
Q4 24
$3.0B
$1.7B
Q3 24
$3.1B
$1.8B
Q2 24
$3.4B
$1.7B
Debt / Equity
ACIW
ACIW
IOSP
IOSP
Q1 26
0.54×
Q4 25
0.54×
Q3 25
0.59×
Q2 25
0.64×
Q1 25
0.57×
Q4 24
0.65×
Q3 24
0.75×
Q2 24
0.82×

Cash Flow & Capital Efficiency

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

Metric
ACIW
ACIW
IOSP
IOSP
Operating Cash FlowLast quarter
$17.6M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
2.0%
Cash ConversionOCF / Net Profit
0.57×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACIW
ACIW
IOSP
IOSP
Q1 26
$17.6M
Q4 25
$121.8M
$61.4M
Q3 25
$73.0M
$39.3M
Q2 25
$49.8M
$9.3M
Q1 25
$78.2M
$28.3M
Q4 24
$126.5M
$25.7M
Q3 24
$54.0M
$73.5M
Q2 24
$55.0M
$4.7M
Free Cash Flow
ACIW
ACIW
IOSP
IOSP
Q1 26
Q4 25
$116.6M
$46.8M
Q3 25
$69.6M
$25.0M
Q2 25
$47.6M
$-3.7M
Q1 25
$76.1M
$19.9M
Q4 24
$119.5M
$13.6M
Q3 24
$50.5M
$65.8M
Q2 24
$53.3M
$-6.2M
FCF Margin
ACIW
ACIW
IOSP
IOSP
Q1 26
Q4 25
24.2%
10.3%
Q3 25
14.4%
5.7%
Q2 25
11.9%
-0.8%
Q1 25
19.3%
4.5%
Q4 24
26.4%
2.9%
Q3 24
11.2%
14.8%
Q2 24
14.3%
-1.4%
Capex Intensity
ACIW
ACIW
IOSP
IOSP
Q1 26
2.0%
Q4 25
1.1%
3.2%
Q3 25
0.7%
3.2%
Q2 25
0.5%
3.0%
Q1 25
0.5%
1.9%
Q4 24
1.5%
2.6%
Q3 24
0.8%
1.7%
Q2 24
0.5%
2.5%
Cash Conversion
ACIW
ACIW
IOSP
IOSP
Q1 26
0.57×
Q4 25
1.89×
1.30×
Q3 25
0.80×
3.05×
Q2 25
4.08×
0.40×
Q1 25
1.33×
0.86×
Q4 24
1.28×
Q3 24
0.66×
2.20×
Q2 24
1.78×
0.15×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACIW
ACIW

Software as a service and platform as a service$262.0M62%
License$88.0M21%
Maintenance$50.9M12%
Services$24.8M6%

IOSP
IOSP

Segment breakdown not available.

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