analyticsVertical SaaS
Data as of Q1 2026
Summary Verdict
ACIW: 4—CSGS: 1wins
Rule of 40
24.2ACIW
-0.5CSGS
check_circleACIW leads
Revenue Growth
6.9%ACIW
1.4%CSGS
check_circleACIW leads
Gross Margin
47%ACIW
49%CSGS
check_circleCSGS leads
FCF Margin
17.3%ACIW
-1.9%CSGS
check_circleACIW leads
Operating Margin
16.4%ACIW
10.3%CSGS
check_circleACIW leads
NRR
—ACIW
—CSGS
Metric
Rule of 40Efficiency score
ACIW
24.2check_circle
CSGS
-0.5
Revenue GrowthYoY
ACIW
6.9%check_circle
CSGS
1.4%
Gross Margin% of revenue
ACIW
47%
CSGS
49%check_circle
FCF MarginFree cash flow
ACIW
17.3%check_circle
CSGS
-1.9%
Operating MarginGAAP
ACIW
16.4%check_circle
CSGS
10.3%
NRRNet retention
ACIW
N/A
CSGS
N/A
EV / RevenueValuation multiple
ACIW
N/A
CSGS
N/A
Market CapUSD
ACIW
N/A
CSGS
N/A
ARR GrowthYoY
ACIW
N/A
CSGS
N/A
CAC PaybackMonths to recover
ACIW
N/A
CSGS
N/A
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insights
Analysis
As of Q1 2026, ACI WORLDWIDE, INC. trades at N/A EV/Revenue versus CSG SYSTEMS INTERNATIONAL INC at N/A. On the Rule of 40, ACI WORLDWIDE, INC. scores 24.2 compared to CSG SYSTEMS INTERNATIONAL INC's -0.5, placing ACI WORLDWIDE, INC. ahead in operating efficiency. Gross margins stand at ACI WORLDWIDE, INC. 47% vs CSG SYSTEMS INTERNATIONAL INC 49%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.