ACI WORLDWIDE, INC. vs QUALYS, INC.
Side-by-Side SaaS Metrics & Valuation Comparison
analyticsVertical SaaS
Data as of Q1 2026
Summary Verdict
ACIW: 0—QLYS: 5wins
Rule of 40
24.2ACIW
62.1QLYS
check_circleQLYS leads
Revenue Growth
6.9%ACIW
10.2%QLYS
check_circleQLYS leads
Gross Margin
47%ACIW
83%QLYS
check_circleQLYS leads
FCF Margin
17.3%ACIW
51.9%QLYS
check_circleQLYS leads
Operating Margin
16.4%ACIW
33.5%QLYS
check_circleQLYS leads
NRR
—ACIW
—QLYS
Metric
Rule of 40Efficiency score
ACIW
24.2
QLYS
62.1check_circle
Revenue GrowthYoY
ACIW
6.9%
QLYS
10.2%check_circle
Gross Margin% of revenue
ACIW
47%
QLYS
83%check_circle
FCF MarginFree cash flow
ACIW
17.3%
QLYS
51.9%check_circle
Operating MarginGAAP
ACIW
16.4%
QLYS
33.5%check_circle
NRRNet retention
ACIW
N/A
QLYS
N/A
EV / RevenueValuation multiple
ACIW
3.8xcheck_circle
QLYS
7.3x
Market CapUSD
ACIW
$5.8Bcheck_circle
QLYS
$5.1B
ARR GrowthYoY
ACIW
N/A
QLYS
N/A
CAC PaybackMonths to recover
ACIW
N/A
QLYS
N/A
insights
Analysis
As of Q1 2026, ACI WORLDWIDE, INC. trades at 3.8x EV/Revenue versus QUALYS, INC. at 7.3x. On the Rule of 40, ACI WORLDWIDE, INC. scores 24.2 compared to QUALYS, INC.'s 62.1, placing QUALYS, INC. ahead in operating efficiency. Gross margins stand at ACI WORLDWIDE, INC. 47% 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.