ACI WORLDWIDE, INC. vs QUALYS, INC.
Side-by-Side SaaS Metrics & Valuation Comparison
analyticsVertical SaaS
Data as of Q2 2026
Summary Verdict
ACIW: 0—QLYS: 5wins
Rule of 40
26.1ACIW
64.1QLYS
check_circleQLYS leads
Revenue Growth
9.1%ACIW
13.9%QLYS
check_circleQLYS leads
Gross Margin
46%ACIW
83%QLYS
check_circleQLYS leads
FCF Margin
17.0%ACIW
50.2%QLYS
check_circleQLYS leads
Operating Margin
15.2%ACIW
33.9%QLYS
check_circleQLYS leads
NRR
—ACIW
—QLYS
Metric
Rule of 40Efficiency score
ACIW
26.1
QLYS
64.1check_circle
Revenue GrowthYoY
ACIW
9.1%
QLYS
13.9%check_circle
Gross Margin% of revenue
ACIW
46%
QLYS
83%check_circle
FCF MarginFree cash flow
ACIW
17.0%
QLYS
50.2%check_circle
Operating MarginGAAP
ACIW
15.2%
QLYS
33.9%check_circle
NRRNet retention
ACIW
N/A
QLYS
N/A
EV / RevenueValuation multiple
ACIW
3.5xcheck_circle
QLYS
7.3x
Market CapUSD
ACIW
$5.3Bcheck_circle
QLYS
$5.3B
ARR GrowthYoY
ACIW
N/A
QLYS
N/A
CAC PaybackMonths to recover
ACIW
N/A
QLYS
N/A
insights
Analysis
As of Q2 2026, ACI WORLDWIDE, INC. trades at 3.5x EV/Revenue versus QUALYS, INC. at 7.3x. On the Rule of 40, ACI WORLDWIDE, INC. scores 26.1 compared to QUALYS, INC.'s 64.1, placing QUALYS, INC. ahead in operating efficiency. Gross margins stand at ACI WORLDWIDE, INC. 46% vs QUALYS, INC. 83%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.