Summary Verdict
VERX: 2—ACIW: 3wins
Rule of 40
27.8VERX
28.0ACIW
check_circleACIW leads
Revenue Growth
12.3%VERX
10.4%ACIW
check_circleVERX leads
Gross Margin
64%VERX
49%ACIW
check_circleVERX leads
FCF Margin
15.5%VERX
17.6%ACIW
check_circleACIW leads
Operating Margin
0.3%VERX
18.8%ACIW
check_circleACIW leads
NRR
—VERX
—ACIW
Metric
Rule of 40Efficiency score
VERX
27.8
ACIW
28.0check_circle
Revenue GrowthYoY
VERX
12.3%check_circle
ACIW
10.4%
Gross Margin% of revenue
VERX
64%check_circle
ACIW
49%
FCF MarginFree cash flow
VERX
15.5%
ACIW
17.6%check_circle
Operating MarginGAAP
VERX
0.3%
ACIW
18.8%check_circle
NRRNet retention
VERX
N/A
ACIW
N/A
EV / RevenueValuation multiple
VERX
N/A
ACIW
N/A
Market CapUSD
VERX
N/A
ACIW
N/A
ARR GrowthYoY
VERX
N/A
ACIW
N/A
CAC PaybackMonths to recover
VERX
N/A
ACIW
N/A
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insights
Analysis
As of Q4 2025, Vertex, Inc. trades at N/A EV/Revenue versus ACI WORLDWIDE, INC. at N/A. On the Rule of 40, Vertex, Inc. scores 27.8 compared to ACI WORLDWIDE, INC.'s 28.0, placing ACI WORLDWIDE, INC. ahead in operating efficiency. Gross margins stand at Vertex, Inc. 64% vs ACI WORLDWIDE, 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.