vs

Side-by-side financial comparison of Merck & Co. (MRK) and Schlumberger (SLB). Click either name above to swap in a different company.

Merck & Co. is the larger business by last-quarter revenue ($16.3B vs $8.7B, roughly 1.9× Schlumberger). Schlumberger runs the higher net margin — 8.6% vs 0.9%, a 7.8% gap on every dollar of revenue. On growth, Merck & Co. posted the faster year-over-year revenue change (4.9% vs 2.7%). Over the past eight quarters, Merck & Co.'s revenue compounded faster (0.5% CAGR vs -2.3%).

Merck & Co., Inc. is an American multinational pharmaceutical company headquartered in Rahway, New Jersey. The company does business as Merck Sharp & Dohme or MSD outside the United States and Canada. The company is ranked fourth on the list of largest biomedical companies by revenue.

SLB, formerly known as Schlumberger, is an American multinational oilfield services company. Founded in France in 1926, the company is now incorporated as SLB N.V. in Willemstad, Curaçao, with principal executive offices in four cities: Paris, France; Houston, Texas, United States; London, UK; and The Hague, Netherlands. As of 2022, it is both the world's largest offshore drilling company and the world's largest offshore drilling contractor by revenue.

MRK vs SLB — Head-to-Head

Bigger by revenue
MRK
MRK
1.9× larger
MRK
$16.3B
$8.7B
SLB
Growing faster (revenue YoY)
MRK
MRK
+2.2% gap
MRK
4.9%
2.7%
SLB
Higher net margin
SLB
SLB
7.8% more per $
SLB
8.6%
0.9%
MRK
Faster 2-yr revenue CAGR
MRK
MRK
Annualised
MRK
0.5%
-2.3%
SLB

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
MRK
MRK
SLB
SLB
Revenue
$16.3B
$8.7B
Net Profit
$141.0M
$752.0M
Gross Margin
74.2%
Operating Margin
Net Margin
0.9%
8.6%
Revenue YoY
4.9%
2.7%
Net Profit YoY
-9.5%
-5.6%
EPS (diluted)
$0.50

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
MRK
MRK
SLB
SLB
Q1 26
$16.3B
$8.7B
Q4 25
$16.4B
$9.7B
Q3 25
$17.3B
$8.9B
Q2 25
$15.8B
$8.5B
Q1 25
$15.5B
$8.5B
Q4 24
$15.6B
$9.3B
Q3 24
$16.7B
$9.2B
Q2 24
$16.1B
$9.1B
Net Profit
MRK
MRK
SLB
SLB
Q1 26
$141.0M
$752.0M
Q4 25
$3.0B
$824.0M
Q3 25
$5.8B
$739.0M
Q2 25
$4.4B
$1.0B
Q1 25
$5.1B
$797.0M
Q4 24
$3.7B
$1.1B
Q3 24
$3.2B
$1.2B
Q2 24
$5.5B
$1.1B
Gross Margin
MRK
MRK
SLB
SLB
Q1 26
74.2%
Q4 25
66.2%
Q3 25
77.7%
Q2 25
77.5%
Q1 25
78.0%
Q4 24
75.5%
Q3 24
75.5%
Q2 24
76.8%
Operating Margin
MRK
MRK
SLB
SLB
Q1 26
Q4 25
20.9%
9.7%
Q3 25
39.0%
11.2%
Q2 25
31.6%
15.0%
Q1 25
38.0%
12.5%
Q4 24
26.7%
14.9%
Q3 24
24.6%
16.5%
Q2 24
37.3%
15.5%
Net Margin
MRK
MRK
SLB
SLB
Q1 26
0.9%
8.6%
Q4 25
18.1%
8.5%
Q3 25
33.5%
8.3%
Q2 25
28.0%
11.9%
Q1 25
32.7%
9.4%
Q4 24
24.0%
11.8%
Q3 24
19.0%
12.9%
Q2 24
33.9%
12.2%
EPS (diluted)
MRK
MRK
SLB
SLB
Q1 26
$0.50
Q4 25
$1.19
$0.53
Q3 25
$2.32
$0.50
Q2 25
$1.76
$0.74
Q1 25
$2.01
$0.58
Q4 24
$1.49
$0.77
Q3 24
$1.24
$0.83
Q2 24
$2.14
$0.77

Balance Sheet & Financial Strength

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

Metric
MRK
MRK
SLB
SLB
Cash + ST InvestmentsLiquidity on hand
$3.4B
Total DebtLower is stronger
$9.7B
Stockholders' EquityBook value
$27.4B
Total Assets
$19.3B
Debt / EquityLower = less leverage
0.35×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MRK
MRK
SLB
SLB
Q1 26
$3.4B
Q4 25
$14.6B
$1.2B
Q3 25
$18.2B
$571.0M
Q2 25
$8.6B
$511.0M
Q1 25
$9.2B
$961.0M
Q4 24
$13.7B
$1.1B
Q3 24
$14.6B
$1.4B
Q2 24
$11.4B
$1.1B
Total Debt
MRK
MRK
SLB
SLB
Q1 26
$9.7B
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Stockholders' Equity
MRK
MRK
SLB
SLB
Q1 26
$27.4B
Q4 25
$52.6B
$26.1B
Q3 25
$51.9B
$25.6B
Q2 25
$49.0B
$20.3B
Q1 25
$48.3B
$19.5B
Q4 24
$46.3B
$21.1B
Q3 24
$44.5B
$21.5B
Q2 24
$43.6B
$21.1B
Total Assets
MRK
MRK
SLB
SLB
Q1 26
$19.3B
Q4 25
$136.9B
$54.9B
Q3 25
$129.5B
$55.1B
Q2 25
$117.5B
$48.8B
Q1 25
$115.1B
$49.0B
Q4 24
$117.1B
$48.9B
Q3 24
$117.5B
$49.8B
Q2 24
$112.6B
$49.4B
Debt / Equity
MRK
MRK
SLB
SLB
Q1 26
0.35×
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
MRK
MRK
SLB
SLB
Operating Cash FlowLast quarter
Free Cash FlowOCF − Capex
$103.0M
FCF MarginFCF / Revenue
1.2%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$4.6B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MRK
MRK
SLB
SLB
Q1 26
Q4 25
$2.9B
$3.0B
Q3 25
$7.8B
$1.7B
Q2 25
$3.3B
$1.1B
Q1 25
$2.5B
$660.0M
Q4 24
$3.5B
$2.4B
Q3 24
$9.3B
$2.4B
Q2 24
$5.6B
$1.4B
Free Cash Flow
MRK
MRK
SLB
SLB
Q1 26
$103.0M
Q4 25
$1.8B
$2.5B
Q3 25
$6.8B
$1.3B
Q2 25
$2.5B
$771.0M
Q1 25
$1.2B
$262.0M
Q4 24
$2.5B
$1.8B
Q3 24
$8.5B
$2.0B
Q2 24
$4.8B
$973.0M
FCF Margin
MRK
MRK
SLB
SLB
Q1 26
1.2%
Q4 25
11.1%
25.5%
Q3 25
39.6%
14.3%
Q2 25
16.0%
9.0%
Q1 25
7.5%
3.1%
Q4 24
16.1%
19.2%
Q3 24
51.1%
21.7%
Q2 24
30.1%
10.6%
Capex Intensity
MRK
MRK
SLB
SLB
Q1 26
Q4 25
6.3%
5.3%
Q3 25
5.7%
4.6%
Q2 25
4.8%
4.3%
Q1 25
8.6%
4.7%
Q4 24
6.0%
6.6%
Q3 24
4.7%
5.0%
Q2 24
4.9%
5.1%
Cash Conversion
MRK
MRK
SLB
SLB
Q1 26
Q4 25
0.96×
3.65×
Q3 25
1.35×
2.28×
Q2 25
0.74×
1.13×
Q1 25
0.49×
0.83×
Q4 24
0.92×
2.18×
Q3 24
2.94×
2.06×
Q2 24
1.03×
1.29×

Financial Flow Comparison

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

Related Comparisons