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Side-by-side financial comparison of Automatic Data Processing (ADP) and Vertex Pharmaceuticals (VRTX). Click either name above to swap in a different company.

Automatic Data Processing is the larger business by last-quarter revenue ($5.9B vs $3.2B, roughly 1.9× Vertex Pharmaceuticals). Vertex Pharmaceuticals runs the higher net margin — 37.3% vs 22.9%, a 14.4% gap on every dollar of revenue. On growth, Vertex Pharmaceuticals posted the faster year-over-year revenue change (9.5% vs 7.0%). Over the past eight quarters, Automatic Data Processing's revenue compounded faster (11.6% CAGR vs 8.9%).

Automatic Data Processing, Inc. (ADP) is an American multinational provider of cloud-based human resources management, payroll processing, and professional employer organization (PEO) services, headquartered in Roseland, New Jersey.

Vertex Pharmaceuticals Incorporated is an American biopharmaceutical company based in Boston, Massachusetts. It was one of the first biotech firms to use an explicit strategy of rational drug design rather than combinatorial chemistry. It maintains headquarters in Boston, Massachusetts, and three research facilities, in San Diego, California, and Milton Park, Oxfordshire, England.

ADP vs VRTX — Head-to-Head

Bigger by revenue
ADP
ADP
1.9× larger
ADP
$5.9B
$3.2B
VRTX
Growing faster (revenue YoY)
VRTX
VRTX
+2.6% gap
VRTX
9.5%
7.0%
ADP
Higher net margin
VRTX
VRTX
14.4% more per $
VRTX
37.3%
22.9%
ADP
Faster 2-yr revenue CAGR
ADP
ADP
Annualised
ADP
11.6%
8.9%
VRTX

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
ADP
ADP
VRTX
VRTX
Revenue
$5.9B
$3.2B
Net Profit
$1.4B
$1.2B
Gross Margin
85.4%
Operating Margin
37.8%
Net Margin
22.9%
37.3%
Revenue YoY
7.0%
9.5%
Net Profit YoY
8.4%
30.5%
EPS (diluted)
$10.01
$4.64

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ADP
ADP
VRTX
VRTX
Q1 26
$5.9B
Q4 25
$5.4B
$3.2B
Q3 25
$5.2B
$3.1B
Q2 25
$5.1B
$3.0B
Q1 25
$5.6B
$2.8B
Q4 24
$5.0B
$2.9B
Q3 24
$4.8B
$2.8B
Q2 24
$4.8B
$2.6B
Net Profit
ADP
ADP
VRTX
VRTX
Q1 26
$1.4B
Q4 25
$1.1B
$1.2B
Q3 25
$1.0B
$1.1B
Q2 25
$910.7M
$1.0B
Q1 25
$1.2B
$646.3M
Q4 24
$963.2M
$913.0M
Q3 24
$956.3M
$1.0B
Q2 24
$829.3M
$-3.6B
Gross Margin
ADP
ADP
VRTX
VRTX
Q1 26
Q4 25
46.1%
85.4%
Q3 25
45.2%
86.5%
Q2 25
45.1%
86.3%
Q1 25
47.7%
86.9%
Q4 24
45.7%
85.5%
Q3 24
45.5%
85.8%
Q2 24
44.8%
85.9%
Operating Margin
ADP
ADP
VRTX
VRTX
Q1 26
Q4 25
25.8%
37.8%
Q3 25
25.3%
38.6%
Q2 25
23.2%
38.8%
Q1 25
29.2%
22.7%
Q4 24
25.0%
35.2%
Q3 24
25.6%
40.3%
Q2 24
22.8%
-132.9%
Net Margin
ADP
ADP
VRTX
VRTX
Q1 26
22.9%
Q4 25
19.8%
37.3%
Q3 25
19.6%
35.2%
Q2 25
17.8%
34.8%
Q1 25
22.5%
23.3%
Q4 24
19.1%
31.4%
Q3 24
19.8%
37.7%
Q2 24
17.4%
-135.8%
EPS (diluted)
ADP
ADP
VRTX
VRTX
Q1 26
$10.01
Q4 25
$2.62
$4.64
Q3 25
$2.49
$4.20
Q2 25
$2.23
$3.99
Q1 25
$3.06
$2.49
Q4 24
$2.35
$3.62
Q3 24
$2.34
$4.01
Q2 24
$2.01
$-13.92

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ADP
ADP
VRTX
VRTX
Cash + ST InvestmentsLiquidity on hand
$3.2B
$6.6B
Total DebtLower is stronger
$4.0B
Stockholders' EquityBook value
$6.4B
$18.7B
Total Assets
$64.5B
$25.6B
Debt / EquityLower = less leverage
0.63×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADP
ADP
VRTX
VRTX
Q1 26
$3.2B
Q4 25
$2.5B
$6.6B
Q3 25
$7.9B
$6.3B
Q2 25
$7.8B
$6.4B
Q1 25
$2.7B
$6.2B
Q4 24
$2.2B
$6.1B
Q3 24
$7.3B
$6.5B
Q2 24
$3.3B
$5.8B
Total Debt
ADP
ADP
VRTX
VRTX
Q1 26
$4.0B
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Stockholders' Equity
ADP
ADP
VRTX
VRTX
Q1 26
$6.4B
Q4 25
$6.4B
$18.7B
Q3 25
$6.4B
$17.3B
Q2 25
$6.2B
$17.2B
Q1 25
$5.9B
$16.5B
Q4 24
$5.1B
$16.4B
Q3 24
$5.3B
$15.6B
Q2 24
$4.5B
$14.8B
Total Assets
ADP
ADP
VRTX
VRTX
Q1 26
$64.5B
Q4 25
$84.6B
$25.6B
Q3 25
$54.3B
$24.9B
Q2 25
$53.4B
$24.0B
Q1 25
$56.4B
$22.9B
Q4 24
$64.1B
$22.5B
Q3 24
$49.5B
$22.2B
Q2 24
$54.4B
$20.1B
Debt / Equity
ADP
ADP
VRTX
VRTX
Q1 26
0.63×
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ADP
ADP
VRTX
VRTX
Operating Cash FlowLast quarter
$498.0M
Free Cash FlowOCF − Capex
$348.6M
FCF MarginFCF / Revenue
10.9%
Capex IntensityCapex / Revenue
2.1%
4.7%
Cash ConversionOCF / Net Profit
0.42×
TTM Free Cash FlowTrailing 4 quarters
$3.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADP
ADP
VRTX
VRTX
Q1 26
Q4 25
$1.1B
$498.0M
Q3 25
$642.3M
$1.2B
Q2 25
$1.4B
$1.1B
Q1 25
$1.5B
$818.9M
Q4 24
$1.2B
$584.6M
Q3 24
$824.4M
$1.4B
Q2 24
$1.3B
$-3.8B
Free Cash Flow
ADP
ADP
VRTX
VRTX
Q1 26
Q4 25
$348.6M
Q3 25
$1.1B
Q2 25
$927.4M
Q1 25
$778.2M
Q4 24
$492.0M
Q3 24
$1.3B
Q2 24
$-3.8B
FCF Margin
ADP
ADP
VRTX
VRTX
Q1 26
Q4 25
10.9%
Q3 25
37.0%
Q2 25
31.3%
Q1 25
28.1%
Q4 24
16.9%
Q3 24
47.0%
Q2 24
-144.5%
Capex Intensity
ADP
ADP
VRTX
VRTX
Q1 26
2.1%
Q4 25
4.7%
Q3 25
3.3%
Q2 25
4.9%
Q1 25
1.5%
Q4 24
3.2%
Q3 24
2.4%
Q2 24
2.6%
Cash Conversion
ADP
ADP
VRTX
VRTX
Q1 26
Q4 25
1.07×
0.42×
Q3 25
0.63×
1.15×
Q2 25
1.58×
1.04×
Q1 25
1.22×
1.27×
Q4 24
1.19×
0.64×
Q3 24
0.86×
1.31×
Q2 24
1.57×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ADP
ADP

Revenues, other than interest on funds held for clients and PEO revenues$3.6B61%
PEO revenues (A) (B) (C)$1.9B32%
Other$403.9M7%

VRTX
VRTX

TRIKAFTAKAFTRIO$2.6B81%
ALYFTREK$380.1M12%
Manufactured Product Other$237.4M7%

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