analyticsVertical SaaS
Data as of Q1 2026
Summary Verdict
ACIW: 0—SQ: 5wins
Rule of 40
24.2ACIW
99.5SQ
check_circleSQ leads
Revenue Growth
6.9%ACIW
44.8%SQ
check_circleSQ leads
Gross Margin
47%ACIW
324%SQ
check_circleSQ leads
FCF Margin
17.3%ACIW
54.8%SQ
check_circleSQ leads
Operating Margin
16.4%ACIW
32.8%SQ
check_circleSQ leads
NRR
—ACIW
—SQ
Metric
Rule of 40Efficiency score
ACIW
24.2
SQ
99.5check_circle
Revenue GrowthYoY
ACIW
6.9%
SQ
44.8%check_circle
Gross Margin% of revenue
ACIW
47%
SQ
324%check_circle
FCF MarginFree cash flow
ACIW
17.3%
SQ
54.8%check_circle
Operating MarginGAAP
ACIW
16.4%
SQ
32.8%check_circle
NRRNet retention
ACIW
N/A
SQ
N/A
EV / RevenueValuation multiple
ACIW
3.8xcheck_circle
SQ
14.9x
Market CapUSD
ACIW
$5.7B
SQ
$51.7Bcheck_circle
ARR GrowthYoY
ACIW
N/A
SQ
N/A
CAC PaybackMonths to recover
ACIW
N/A
SQ
N/A
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insights
Analysis
As of Q1 2026, ACI WORLDWIDE, INC. trades at 3.8x EV/Revenue versus Block, Inc. at 14.9x. On the Rule of 40, ACI WORLDWIDE, INC. scores 24.2 compared to Block, Inc.'s 99.5, placing Block, Inc. ahead in operating efficiency. Gross margins stand at ACI WORLDWIDE, INC. 47% vs Block, Inc. 324%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.