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

A. O. Smith is the larger business by last-quarter revenue ($945.6M vs $481.6M, roughly 2.0× ACI WORLDWIDE, INC.). ACI WORLDWIDE, INC. runs the higher net margin — 13.4% vs 12.5%, a 0.9% gap on every dollar of revenue. On growth, ACI WORLDWIDE, INC. posted the faster year-over-year revenue change (6.3% vs -2.0%). A. O. Smith produced more free cash flow last quarter ($118.9M vs $116.6M). Over the past eight quarters, ACI WORLDWIDE, INC.'s revenue compounded faster (23.4% CAGR vs -3.9%).

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.

A. O. Smith Corporation is an American manufacturer of both residential and commercial water heaters and boilers, and the largest manufacturer and marketer of water heaters in North America. It also supplies water treatment and purification products in the Asian market. The company has 27 locations worldwide, including five manufacturing facilities in North America, as well as plants in Bengaluru in India, Nanjing in China and Veldhoven in The Netherlands.

ACIW vs AOS — Head-to-Head

Bigger by revenue
AOS
AOS
2.0× larger
AOS
$945.6M
$481.6M
ACIW
Growing faster (revenue YoY)
ACIW
ACIW
+8.3% gap
ACIW
6.3%
-2.0%
AOS
Higher net margin
ACIW
ACIW
0.9% more per $
ACIW
13.4%
12.5%
AOS
More free cash flow
AOS
AOS
$2.3M more FCF
AOS
$118.9M
$116.6M
ACIW
Faster 2-yr revenue CAGR
ACIW
ACIW
Annualised
ACIW
23.4%
-3.9%
AOS

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ACIW
ACIW
AOS
AOS
Revenue
$481.6M
$945.6M
Net Profit
$64.3M
$118.0M
Gross Margin
53.0%
38.7%
Operating Margin
22.6%
Net Margin
13.4%
12.5%
Revenue YoY
6.3%
-2.0%
Net Profit YoY
-34.7%
-14.0%
EPS (diluted)
$0.61
$0.85

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
AOS
AOS
Q1 26
$945.6M
Q4 25
$481.6M
$912.5M
Q3 25
$482.4M
$942.5M
Q2 25
$401.3M
$1.0B
Q1 25
$394.6M
$963.9M
Q4 24
$453.0M
$912.4M
Q3 24
$451.8M
$902.6M
Q2 24
$373.5M
$1.0B
Net Profit
ACIW
ACIW
AOS
AOS
Q1 26
$118.0M
Q4 25
$64.3M
$125.4M
Q3 25
$91.3M
$132.0M
Q2 25
$12.2M
$152.2M
Q1 25
$58.9M
$136.6M
Q4 24
$98.6M
$109.7M
Q3 24
$81.4M
$120.1M
Q2 24
$30.9M
$156.2M
Gross Margin
ACIW
ACIW
AOS
AOS
Q1 26
38.7%
Q4 25
53.0%
38.4%
Q3 25
53.7%
38.7%
Q2 25
41.5%
39.3%
Q1 25
45.9%
38.9%
Q4 24
55.8%
37.1%
Q3 24
56.3%
37.4%
Q2 24
45.6%
38.7%
Operating Margin
ACIW
ACIW
AOS
AOS
Q1 26
Q4 25
22.6%
17.9%
Q3 25
26.5%
18.6%
Q2 25
8.7%
20.4%
Q1 25
14.8%
19.1%
Q4 24
27.0%
10.1%
Q3 24
27.1%
19.5%
Q2 24
14.4%
21.9%
Net Margin
ACIW
ACIW
AOS
AOS
Q1 26
12.5%
Q4 25
13.4%
13.7%
Q3 25
18.9%
14.0%
Q2 25
3.0%
15.0%
Q1 25
14.9%
14.2%
Q4 24
21.8%
12.0%
Q3 24
18.0%
13.3%
Q2 24
8.3%
15.2%
EPS (diluted)
ACIW
ACIW
AOS
AOS
Q1 26
$0.85
Q4 25
$0.61
$0.89
Q3 25
$0.88
$0.94
Q2 25
$0.12
$1.07
Q1 25
$0.55
$0.95
Q4 24
$0.92
$0.75
Q3 24
$0.77
$0.82
Q2 24
$0.29
$1.06

Balance Sheet & Financial Strength

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

Metric
ACIW
ACIW
AOS
AOS
Cash + ST InvestmentsLiquidity on hand
$196.5M
$185.2M
Total DebtLower is stronger
$817.6M
$574.2M
Stockholders' EquityBook value
$1.5B
$1.9B
Total Assets
$3.1B
$3.7B
Debt / EquityLower = less leverage
0.54×
0.31×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACIW
ACIW
AOS
AOS
Q1 26
$185.2M
Q4 25
$196.5M
$193.2M
Q3 25
$199.3M
$172.8M
Q2 25
$189.7M
$177.9M
Q1 25
$230.1M
$200.2M
Q4 24
$216.4M
$276.1M
Q3 24
$177.9M
$255.6M
Q2 24
$157.0M
$233.3M
Total Debt
ACIW
ACIW
AOS
AOS
Q1 26
$574.2M
Q4 25
$817.6M
$155.0M
Q3 25
$867.8M
Q2 25
$898.0M
Q1 25
$845.9M
Q4 24
$924.6M
$193.2M
Q3 24
$994.3M
Q2 24
$1.0B
Stockholders' Equity
ACIW
ACIW
AOS
AOS
Q1 26
$1.9B
Q4 25
$1.5B
$1.9B
Q3 25
$1.5B
$1.8B
Q2 25
$1.4B
$1.8B
Q1 25
$1.5B
$1.9B
Q4 24
$1.4B
$1.9B
Q3 24
$1.3B
$1.9B
Q2 24
$1.2B
$1.9B
Total Assets
ACIW
ACIW
AOS
AOS
Q1 26
$3.7B
Q4 25
$3.1B
$3.1B
Q3 25
$3.2B
$3.2B
Q2 25
$3.1B
$3.2B
Q1 25
$3.2B
$3.3B
Q4 24
$3.0B
$3.2B
Q3 24
$3.1B
$3.2B
Q2 24
$3.4B
$3.2B
Debt / Equity
ACIW
ACIW
AOS
AOS
Q1 26
0.31×
Q4 25
0.54×
0.08×
Q3 25
0.59×
Q2 25
0.64×
Q1 25
0.57×
Q4 24
0.65×
0.10×
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
AOS
AOS
Operating Cash FlowLast quarter
$121.8M
Free Cash FlowOCF − Capex
$116.6M
$118.9M
FCF MarginFCF / Revenue
24.2%
12.6%
Capex IntensityCapex / Revenue
1.1%
1.1%
Cash ConversionOCF / Net Profit
1.89×
TTM Free Cash FlowTrailing 4 quarters
$309.9M
$647.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACIW
ACIW
AOS
AOS
Q1 26
Q4 25
$121.8M
$183.1M
Q3 25
$73.0M
$255.4M
Q2 25
$49.8M
$139.6M
Q1 25
$78.2M
$38.7M
Q4 24
$126.5M
$221.9M
Q3 24
$54.0M
$195.9M
Q2 24
$55.0M
$57.4M
Free Cash Flow
ACIW
ACIW
AOS
AOS
Q1 26
$118.9M
Q4 25
$116.6M
$165.5M
Q3 25
$69.6M
$240.6M
Q2 25
$47.6M
$122.5M
Q1 25
$76.1M
$17.4M
Q4 24
$119.5M
$191.3M
Q3 24
$50.5M
$163.4M
Q2 24
$53.3M
$34.5M
FCF Margin
ACIW
ACIW
AOS
AOS
Q1 26
12.6%
Q4 25
24.2%
18.1%
Q3 25
14.4%
25.5%
Q2 25
11.9%
12.1%
Q1 25
19.3%
1.8%
Q4 24
26.4%
21.0%
Q3 24
11.2%
18.1%
Q2 24
14.3%
3.4%
Capex Intensity
ACIW
ACIW
AOS
AOS
Q1 26
1.1%
Q4 25
1.1%
1.9%
Q3 25
0.7%
1.6%
Q2 25
0.5%
1.7%
Q1 25
0.5%
2.2%
Q4 24
1.5%
3.4%
Q3 24
0.8%
3.6%
Q2 24
0.5%
2.2%
Cash Conversion
ACIW
ACIW
AOS
AOS
Q1 26
Q4 25
1.89×
1.46×
Q3 25
0.80×
1.93×
Q2 25
4.08×
0.92×
Q1 25
1.33×
0.28×
Q4 24
1.28×
2.02×
Q3 24
0.66×
1.63×
Q2 24
1.78×
0.37×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACIW
ACIW

Issuing And Acquiring$183.7M38%
License$158.3M33%
Maintenance$50.8M11%
Software And Platform Service$49.6M10%
Merchant Payments$42.4M9%

AOS
AOS

Segment breakdown not available.

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