ACI WORLDWIDE, INC. vs AUTOMATIC DATA PROCESSING INC
Side-by-Side SaaS Metrics & Valuation Comparison
analyticsVertical SaaS
Data as of Q2 2026
Summary Verdict
ACIW: 4—ADP: 1wins
Rule of 40
26.1ACIW
18.5ADP
check_circleACIW leads
Revenue Growth
9.1%ACIW
7.1%ADP
check_circleACIW leads
Gross Margin
46%ACIW
6%ADP
check_circleACIW leads
FCF Margin
17.0%ACIW
11.4%ADP
check_circleACIW leads
Operating Margin
15.2%ACIW
27.7%ADP
check_circleADP leads
NRR
—ACIW
—ADP
Metric
Rule of 40Efficiency score
ACIW
26.1check_circle
ADP
18.5
Revenue GrowthYoY
ACIW
9.1%check_circle
ADP
7.1%
Gross Margin% of revenue
ACIW
46%check_circle
ADP
6%
FCF MarginFree cash flow
ACIW
17.0%check_circle
ADP
11.4%
Operating MarginGAAP
ACIW
15.2%
ADP
27.7%check_circle
NRRNet retention
ACIW
N/A
ADP
N/A
EV / RevenueValuation multiple
ACIW
3.5xcheck_circle
ADP
4.7x
Market CapUSD
ACIW
$5.3B
ADP
$107.2Bcheck_circle
ARR GrowthYoY
ACIW
N/A
ADP
N/A
CAC PaybackMonths to recover
ACIW
N/A
ADP
N/A
insights
Analysis
As of Q2 2026, ACI WORLDWIDE, INC. trades at 3.5x EV/Revenue versus AUTOMATIC DATA PROCESSING INC at 4.7x. On the Rule of 40, ACI WORLDWIDE, INC. scores 26.1 compared to AUTOMATIC DATA PROCESSING INC's 18.5, placing ACI WORLDWIDE, INC. ahead in operating efficiency. Gross margins stand at ACI WORLDWIDE, INC. 46% vs AUTOMATIC DATA PROCESSING INC 6%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.