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Side-by-side financial comparison of ICON PLC (ICLR) and WATSCO INC (WSO). Click either name above to swap in a different company.

ICON PLC is the larger business by last-quarter revenue ($2.0B vs $1.5B, roughly 1.3× WATSCO INC). WATSCO INC runs the higher net margin — 6.1% vs 0.1%, a 5.9% gap on every dollar of revenue. On growth, ICON PLC posted the faster year-over-year revenue change (0.6% vs 0.1%). Over the past eight quarters, ICON PLC's revenue compounded faster (0.6% CAGR vs -15.3%).

ICON plc is an Irish headquartered multinational healthcare intelligence and clinical research organisation. As of February 2025 had approximately 41,900 employees in 55 countries.

Watsco, Inc. is a distributor of air conditioning, heating and refrigeration equipment, and related parts and supplies (HVAC/R) in the United States. Watsco was founded more than 60 years ago as a manufacturer of parts, components, and tools used in the HVAC/R industry. In 1989, the company shifted from manufacturing to distribution, by acquiring Gemaire Distributors Inc., a South Florida-based Rheem distributor.

ICLR vs WSO — Head-to-Head

Bigger by revenue
ICLR
ICLR
1.3× larger
ICLR
$2.0B
$1.5B
WSO
Growing faster (revenue YoY)
ICLR
ICLR
+0.5% gap
ICLR
0.6%
0.1%
WSO
Higher net margin
WSO
WSO
5.9% more per $
WSO
6.1%
0.1%
ICLR
Faster 2-yr revenue CAGR
ICLR
ICLR
Annualised
ICLR
0.6%
-15.3%
WSO

Income Statement — Q3 FY2025 vs Q1 FY2026

Metric
ICLR
ICLR
WSO
WSO
Revenue
$2.0B
$1.5B
Net Profit
$2.4M
$92.9M
Gross Margin
27.9%
Operating Margin
4.2%
7.2%
Net Margin
0.1%
6.1%
Revenue YoY
0.6%
0.1%
Net Profit YoY
-98.8%
-1.7%
EPS (diluted)
$0.03

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
ICLR
ICLR
WSO
WSO
Q1 26
$1.5B
Q4 25
$1.6B
Q3 25
$2.0B
$2.1B
Q2 25
$2.0B
$2.1B
Q1 25
$2.0B
$1.5B
Q4 24
$1.8B
Q3 24
$2.0B
$2.2B
Q2 24
$2.1B
$2.1B
Net Profit
ICLR
ICLR
WSO
WSO
Q1 26
$92.9M
Q4 25
$71.7M
Q3 25
$2.4M
$161.6M
Q2 25
$183.0M
$183.6M
Q1 25
$154.2M
$80.1M
Q4 24
$96.8M
Q3 24
$197.1M
$171.0M
Q2 24
$146.9M
$181.4M
Gross Margin
ICLR
ICLR
WSO
WSO
Q1 26
27.9%
Q4 25
27.1%
Q3 25
27.5%
Q2 25
29.3%
Q1 25
28.1%
Q4 24
26.7%
Q3 24
26.2%
Q2 24
27.1%
Operating Margin
ICLR
ICLR
WSO
WSO
Q1 26
7.2%
Q4 25
6.4%
Q3 25
4.2%
11.4%
Q2 25
10.4%
13.2%
Q1 25
11.0%
7.3%
Q4 24
7.8%
Q3 24
14.1%
11.6%
Q2 24
10.8%
12.6%
Net Margin
ICLR
ICLR
WSO
WSO
Q1 26
6.1%
Q4 25
4.5%
Q3 25
0.1%
7.8%
Q2 25
9.1%
8.9%
Q1 25
7.7%
5.2%
Q4 24
5.5%
Q3 24
9.7%
7.9%
Q2 24
6.9%
8.5%
EPS (diluted)
ICLR
ICLR
WSO
WSO
Q1 26
Q4 25
$1.82
Q3 25
$0.03
$3.98
Q2 25
$2.30
$4.52
Q1 25
$1.90
$1.93
Q4 24
$2.42
Q3 24
$2.36
$4.22
Q2 24
$1.76
$4.49

Balance Sheet & Financial Strength

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

Metric
ICLR
ICLR
WSO
WSO
Cash + ST InvestmentsLiquidity on hand
$468.9M
$392.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$9.3B
$3.2B
Total Assets
$16.5B
$4.6B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ICLR
ICLR
WSO
WSO
Q1 26
$392.7M
Q4 25
$733.3M
Q3 25
$468.9M
$524.3M
Q2 25
$390.4M
$293.0M
Q1 25
$526.7M
$431.8M
Q4 24
$781.9M
Q3 24
$695.5M
$550.0M
Q2 24
$506.6M
$424.9M
Total Debt
ICLR
ICLR
WSO
WSO
Q1 26
Q4 25
$361.6M
Q3 25
$340.8M
Q2 25
$338.7M
Q1 25
$346.4M
Q4 24
$337.2M
Q3 24
$321.0M
Q2 24
$307.1M
Stockholders' Equity
ICLR
ICLR
WSO
WSO
Q1 26
$3.2B
Q4 25
$2.8B
Q3 25
$9.3B
$2.8B
Q2 25
$9.6B
$2.8B
Q1 25
$9.5B
$2.7B
Q4 24
$2.7B
Q3 24
$9.8B
$2.7B
Q2 24
$9.6B
$2.6B
Total Assets
ICLR
ICLR
WSO
WSO
Q1 26
$4.6B
Q4 25
$4.4B
Q3 25
$16.5B
$4.6B
Q2 25
$16.6B
$4.7B
Q1 25
$16.7B
$4.5B
Q4 24
$4.5B
Q3 24
$17.2B
$4.5B
Q2 24
$17.0B
$4.4B
Debt / Equity
ICLR
ICLR
WSO
WSO
Q1 26
Q4 25
0.13×
Q3 25
0.12×
Q2 25
0.12×
Q1 25
0.13×
Q4 24
0.13×
Q3 24
0.12×
Q2 24
0.12×

Cash Flow & Capital Efficiency

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

Metric
ICLR
ICLR
WSO
WSO
Operating Cash FlowLast quarter
$387.6M
Free Cash FlowOCF − Capex
$333.9M
FCF MarginFCF / Revenue
16.3%
Capex IntensityCapex / Revenue
2.6%
Cash ConversionOCF / Net Profit
164.59×
TTM Free Cash FlowTrailing 4 quarters
$1.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ICLR
ICLR
WSO
WSO
Q1 26
Q4 25
$399.8M
Q3 25
$387.6M
$354.9M
Q2 25
$146.2M
$-7.4M
Q1 25
$268.2M
$-177.6M
Q4 24
$378.9M
Q3 24
$402.7M
$232.8M
Q2 24
$218.6M
$57.7M
Free Cash Flow
ICLR
ICLR
WSO
WSO
Q1 26
Q4 25
$388.5M
Q3 25
$333.9M
$346.1M
Q2 25
$113.9M
$-14.3M
Q1 25
$239.3M
$-185.2M
Q4 24
$370.9M
Q3 24
$359.3M
$223.0M
Q2 24
$182.3M
$51.3M
FCF Margin
ICLR
ICLR
WSO
WSO
Q1 26
Q4 25
24.6%
Q3 25
16.3%
16.7%
Q2 25
5.6%
-0.7%
Q1 25
12.0%
-12.1%
Q4 24
21.1%
Q3 24
17.7%
10.3%
Q2 24
8.6%
2.4%
Capex Intensity
ICLR
ICLR
WSO
WSO
Q1 26
Q4 25
0.7%
Q3 25
2.6%
0.4%
Q2 25
1.6%
0.3%
Q1 25
1.4%
0.5%
Q4 24
0.5%
Q3 24
2.1%
0.5%
Q2 24
1.7%
0.3%
Cash Conversion
ICLR
ICLR
WSO
WSO
Q1 26
Q4 25
5.57×
Q3 25
164.59×
2.20×
Q2 25
0.80×
-0.04×
Q1 25
1.74×
-2.22×
Q4 24
3.91×
Q3 24
2.04×
1.36×
Q2 24
1.49×
0.32×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ICLR
ICLR

Other Customers$681.3M33%
Clients1125$549.4M27%
Clients15$503.3M25%
Clients610$308.8M15%

WSO
WSO

Segment breakdown not available.

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