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Side-by-side financial comparison of KELLY SERVICES INC (KELYA) and ADVANCED DRAINAGE SYSTEMS, INC. (WMS). Click either name above to swap in a different company.

KELLY SERVICES INC is the larger business by last-quarter revenue ($1.2B vs $693.4M, roughly 1.7× ADVANCED DRAINAGE SYSTEMS, INC.). On growth, ADVANCED DRAINAGE SYSTEMS, INC. posted the faster year-over-year revenue change (0.4% vs -3.3%). ADVANCED DRAINAGE SYSTEMS, INC. produced more free cash flow last quarter ($183.6M vs $13.0M). Over the past eight quarters, ADVANCED DRAINAGE SYSTEMS, INC.'s revenue compounded faster (3.0% CAGR vs -3.1%).

Kelly Services, Inc. is an American multinational office staffing company. The company places employees at all levels in various sectors including financial services, information technology, and law. Also, its professional services include human resource and management consulting, outsourcing, recruitment, career transition, and vendor management. Kelly Services was founded by William Russell Kelly in 1946 and is headquartered in Troy, Michigan.

Advanced Drainage Systems, Inc. (ADS) is an American company that designs, manufactures and markets polypropylene and polyethylene pipes, plastic leach field chambers and systems, septic tanks and accessories, storm retention/detention and septic chambers, polyvinyl chloride drainage structures, fittings, and water filters and water separators. It is the largest maker of high-density polyethylene pipe in the United States. It is headquartered in Hilliard, Ohio. In 2020, 93% of the company's s...

KELYA vs WMS — Head-to-Head

Bigger by revenue
KELYA
KELYA
1.7× larger
KELYA
$1.2B
$693.4M
WMS
Growing faster (revenue YoY)
WMS
WMS
+3.7% gap
WMS
0.4%
-3.3%
KELYA
More free cash flow
WMS
WMS
$170.6M more FCF
WMS
$183.6M
$13.0M
KELYA
Faster 2-yr revenue CAGR
WMS
WMS
Annualised
WMS
3.0%
-3.1%
KELYA

Income Statement — Q4 FY2024 vs Q3 FY2026

Metric
KELYA
KELYA
WMS
WMS
Revenue
$1.2B
$693.4M
Net Profit
$93.6M
Gross Margin
20.3%
37.4%
Operating Margin
-4.8%
19.7%
Net Margin
13.5%
Revenue YoY
-3.3%
0.4%
Net Profit YoY
15.3%
EPS (diluted)
$-0.86
$1.19

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
KELYA
KELYA
WMS
WMS
Q4 25
$693.4M
Q3 25
$850.4M
Q2 25
$829.9M
Q1 25
$615.8M
Q4 24
$1.2B
$690.5M
Q3 24
$1.0B
$782.6M
Q2 24
$1.1B
$815.3M
Q1 24
$1.0B
$653.8M
Net Profit
KELYA
KELYA
WMS
WMS
Q4 25
$93.6M
Q3 25
$156.0M
Q2 25
$143.9M
Q1 25
$77.2M
Q4 24
$81.2M
Q3 24
$800.0K
$130.4M
Q2 24
$4.6M
$161.4M
Q1 24
$25.8M
$94.8M
Gross Margin
KELYA
KELYA
WMS
WMS
Q4 25
37.4%
Q3 25
40.0%
Q2 25
39.8%
Q1 25
36.7%
Q4 24
20.3%
35.0%
Q3 24
21.4%
37.6%
Q2 24
20.2%
40.8%
Q1 24
19.7%
38.5%
Operating Margin
KELYA
KELYA
WMS
WMS
Q4 25
19.7%
Q3 25
26.3%
Q2 25
24.8%
Q1 25
19.0%
Q4 24
-4.8%
18.4%
Q3 24
0.3%
23.9%
Q2 24
1.2%
27.7%
Q1 24
2.6%
20.7%
Net Margin
KELYA
KELYA
WMS
WMS
Q4 25
13.5%
Q3 25
18.3%
Q2 25
17.3%
Q1 25
12.5%
Q4 24
11.8%
Q3 24
0.1%
16.7%
Q2 24
0.4%
19.8%
Q1 24
2.5%
14.5%
EPS (diluted)
KELYA
KELYA
WMS
WMS
Q4 25
$1.19
Q3 25
$1.99
Q2 25
$1.84
Q1 25
$0.99
Q4 24
$-0.86
$1.04
Q3 24
$0.02
$1.67
Q2 24
$0.12
$2.06
Q1 24
$0.70
$1.22

Balance Sheet & Financial Strength

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

Metric
KELYA
KELYA
WMS
WMS
Cash + ST InvestmentsLiquidity on hand
$39.0M
$1.0B
Total DebtLower is stronger
$239.4M
Stockholders' EquityBook value
$1.2B
$1.9B
Total Assets
$2.6B
$4.1B
Debt / EquityLower = less leverage
0.19×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KELYA
KELYA
WMS
WMS
Q4 25
$1.0B
Q3 25
$812.9M
Q2 25
$638.3M
Q1 25
$463.3M
Q4 24
$39.0M
$488.9M
Q3 24
$32.8M
$613.0M
Q2 24
$38.2M
$541.6M
Q1 24
$200.7M
$490.2M
Total Debt
KELYA
KELYA
WMS
WMS
Q4 25
Q3 25
Q2 25
Q1 25
$1.3B
Q4 24
$239.4M
Q3 24
$228.2M
Q2 24
$210.4M
Q1 24
$1.3B
Stockholders' Equity
KELYA
KELYA
WMS
WMS
Q4 25
$1.9B
Q3 25
$1.8B
Q2 25
$1.7B
Q1 25
$1.5B
Q4 24
$1.2B
$1.5B
Q3 24
$1.3B
$1.4B
Q2 24
$1.3B
$1.3B
Q1 24
$1.3B
$1.2B
Total Assets
KELYA
KELYA
WMS
WMS
Q4 25
$4.1B
Q3 25
$4.1B
Q2 25
$3.9B
Q1 25
$3.7B
Q4 24
$2.6B
$3.6B
Q3 24
$2.7B
$3.5B
Q2 24
$2.6B
$3.4B
Q1 24
$2.4B
$3.3B
Debt / Equity
KELYA
KELYA
WMS
WMS
Q4 25
Q3 25
Q2 25
Q1 25
0.83×
Q4 24
0.19×
Q3 24
0.18×
Q2 24
0.16×
Q1 24
1.11×

Cash Flow & Capital Efficiency

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

Metric
KELYA
KELYA
WMS
WMS
Operating Cash FlowLast quarter
$15.0M
$269.3M
Free Cash FlowOCF − Capex
$13.0M
$183.6M
FCF MarginFCF / Revenue
1.1%
26.5%
Capex IntensityCapex / Revenue
0.2%
12.4%
Cash ConversionOCF / Net Profit
2.88×
TTM Free Cash FlowTrailing 4 quarters
$15.8M
$577.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KELYA
KELYA
WMS
WMS
Q4 25
$269.3M
Q3 25
$234.9M
Q2 25
$275.0M
Q1 25
$41.2M
Q4 24
$15.0M
$189.9M
Q3 24
$-20.3M
$166.9M
Q2 24
$57.7M
$183.4M
Q1 24
$-25.5M
$17.7M
Free Cash Flow
KELYA
KELYA
WMS
WMS
Q4 25
$183.6M
Q3 25
$176.4M
Q2 25
$222.4M
Q1 25
$-5.3M
Q4 24
$13.0M
$135.7M
Q3 24
$-22.7M
$112.4M
Q2 24
$54.7M
$125.7M
Q1 24
$-29.2M
$-29.8M
FCF Margin
KELYA
KELYA
WMS
WMS
Q4 25
26.5%
Q3 25
20.7%
Q2 25
26.8%
Q1 25
-0.9%
Q4 24
1.1%
19.7%
Q3 24
-2.2%
14.4%
Q2 24
5.2%
15.4%
Q1 24
-2.8%
-4.6%
Capex Intensity
KELYA
KELYA
WMS
WMS
Q4 25
12.4%
Q3 25
6.9%
Q2 25
6.3%
Q1 25
7.6%
Q4 24
0.2%
7.9%
Q3 24
0.2%
7.0%
Q2 24
0.3%
7.1%
Q1 24
0.4%
7.3%
Cash Conversion
KELYA
KELYA
WMS
WMS
Q4 25
2.88×
Q3 25
1.51×
Q2 25
1.91×
Q1 25
0.53×
Q4 24
2.34×
Q3 24
-25.38×
1.28×
Q2 24
12.54×
1.14×
Q1 24
-0.99×
0.19×

Financial Flow Comparison

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

Revenue Breakdown by Segment

KELYA
KELYA

Science Engineering Technology$295.8M25%
Education$293.1M25%
Staffing Services$237.7M20%
Other$138.8M12%
Talent Solutions$120.5M10%
Outcome Based Services$103.6M9%
Permanent Placement$1.6M0%

WMS
WMS

Reportable Segment Aggregation Before Other Operating Segment$557.3M80%
Other$85.5M12%
Pipe$35.5M5%
Allied Products And Other$15.0M2%

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