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Side-by-side financial comparison of MARCHEX INC (MCHX) and Spero Therapeutics, Inc. (SPRO). Click either name above to swap in a different company.

Spero Therapeutics, Inc. is the larger business by last-quarter revenue ($12.6M vs $10.8M, roughly 1.2× MARCHEX INC). Spero Therapeutics, Inc. runs the higher net margin — 250.7% vs -21.4%, a 272.0% gap on every dollar of revenue. On growth, Spero Therapeutics, Inc. posted the faster year-over-year revenue change (24080.8% vs -9.0%). Over the past eight quarters, Spero Therapeutics, Inc.'s revenue compounded faster (847.7% CAGR vs -3.2%).

Marchex Inc. is a U.S.-headquartered technology company focused on conversational analytics, call tracking, and digital marketing solutions for small and medium-sized businesses as well as enterprise clients across North America. Its core products help businesses optimize customer acquisition strategies, quantify marketing campaign performance, and improve customer engagement across voice and digital communication channels.

MCHX vs SPRO — Head-to-Head

Bigger by revenue
SPRO
SPRO
1.2× larger
SPRO
$12.6M
$10.8M
MCHX
Growing faster (revenue YoY)
SPRO
SPRO
+24089.8% gap
SPRO
24080.8%
-9.0%
MCHX
Higher net margin
SPRO
SPRO
272.0% more per $
SPRO
250.7%
-21.4%
MCHX
Faster 2-yr revenue CAGR
SPRO
SPRO
Annualised
SPRO
847.7%
-3.2%
MCHX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MCHX
MCHX
SPRO
SPRO
Revenue
$10.8M
$12.6M
Net Profit
$-2.3M
$31.5M
Gross Margin
61.6%
Operating Margin
-21.9%
Net Margin
-21.4%
250.7%
Revenue YoY
-9.0%
24080.8%
Net Profit YoY
-21.3%
250.9%
EPS (diluted)
$-0.05
$0.56

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
MCHX
MCHX
SPRO
SPRO
Q4 25
$10.8M
$12.6M
Q3 25
$11.5M
$0
Q2 25
$11.7M
$0
Q1 25
$11.4M
$12.0K
Q4 24
$11.9M
$52.0K
Q3 24
$12.6M
$65.0K
Q2 24
$12.1M
$114.0K
Q1 24
$11.6M
$140.0K
Net Profit
MCHX
MCHX
SPRO
SPRO
Q4 25
$-2.3M
$31.5M
Q3 25
$-1.0M
$-7.4M
Q2 25
$84.0K
$-1.7M
Q1 25
$-2.0M
$-13.9M
Q4 24
$-1.9M
Q3 24
$-831.0K
$-17.1M
Q2 24
$-756.0K
$-17.9M
Q1 24
$-1.4M
$-12.7M
Gross Margin
MCHX
MCHX
SPRO
SPRO
Q4 25
61.6%
Q3 25
63.1%
Q2 25
65.1%
Q1 25
63.3%
Q4 24
63.2%
Q3 24
66.4%
Q2 24
65.6%
Q1 24
61.9%
Operating Margin
MCHX
MCHX
SPRO
SPRO
Q4 25
-21.9%
Q3 25
-8.2%
Q2 25
-4.6%
Q1 25
-16.4%
-122758.3%
Q4 24
-13.3%
Q3 24
-6.6%
-28604.6%
Q2 24
-6.0%
-16720.2%
Q1 24
-11.3%
-9987.1%
Net Margin
MCHX
MCHX
SPRO
SPRO
Q4 25
-21.4%
250.7%
Q3 25
-8.9%
Q2 25
0.7%
Q1 25
-17.4%
-115550.0%
Q4 24
-16.0%
Q3 24
-6.6%
-26380.0%
Q2 24
-6.3%
-15668.4%
Q1 24
-12.5%
-9049.3%
EPS (diluted)
MCHX
MCHX
SPRO
SPRO
Q4 25
$-0.05
$0.56
Q3 25
$-0.02
$-0.13
Q2 25
$0.00
$-0.03
Q1 25
$-0.05
$-0.25
Q4 24
$-0.04
Q3 24
$-0.02
$-0.32
Q2 24
$-0.02
$-0.33
Q1 24
$-0.03
$-0.24

Balance Sheet & Financial Strength

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

Metric
MCHX
MCHX
SPRO
SPRO
Cash + ST InvestmentsLiquidity on hand
$9.9M
$40.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$30.1M
$59.0M
Total Assets
$39.7M
$68.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MCHX
MCHX
SPRO
SPRO
Q4 25
$9.9M
$40.3M
Q3 25
$10.3M
$48.6M
Q2 25
$10.5M
$31.2M
Q1 25
$10.0M
$48.9M
Q4 24
$12.8M
$52.9M
Q3 24
$12.1M
$76.3M
Q2 24
$12.0M
$63.5M
Q1 24
$12.0M
$82.3M
Stockholders' Equity
MCHX
MCHX
SPRO
SPRO
Q4 25
$30.1M
$59.0M
Q3 25
$31.9M
$26.5M
Q2 25
$32.0M
$32.8M
Q1 25
$31.4M
$33.8M
Q4 24
$32.6M
$46.1M
Q3 24
$34.1M
$65.5M
Q2 24
$34.5M
$80.5M
Q1 24
$34.9M
$96.2M
Total Assets
MCHX
MCHX
SPRO
SPRO
Q4 25
$39.7M
$68.9M
Q3 25
$41.1M
$54.2M
Q2 25
$42.0M
$62.1M
Q1 25
$40.6M
$77.7M
Q4 24
$43.2M
$110.5M
Q3 24
$44.1M
$135.2M
Q2 24
$45.5M
$149.9M
Q1 24
$45.6M
$167.7M

Cash Flow & Capital Efficiency

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

Metric
MCHX
MCHX
SPRO
SPRO
Operating Cash FlowLast quarter
$121.0K
$-8.4M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
-0.26×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MCHX
MCHX
SPRO
SPRO
Q4 25
$121.0K
$-8.4M
Q3 25
$290.0K
$17.4M
Q2 25
$803.0K
$-17.7M
Q1 25
$-2.6M
$-4.0M
Q4 24
$875.0K
$-23.4M
Q3 24
$382.0K
$12.8M
Q2 24
$117.0K
$-18.7M
Q1 24
$-2.5M
$5.9M
Free Cash Flow
MCHX
MCHX
SPRO
SPRO
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$757.0K
Q3 24
$199.0K
Q2 24
$40.0K
Q1 24
$-2.5M
FCF Margin
MCHX
MCHX
SPRO
SPRO
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
6.3%
Q3 24
1.6%
Q2 24
0.3%
Q1 24
-21.4%
Capex Intensity
MCHX
MCHX
SPRO
SPRO
Q4 25
Q3 25
0.0%
Q2 25
Q1 25
Q4 24
1.0%
Q3 24
1.5%
Q2 24
0.6%
Q1 24
0.0%
Cash Conversion
MCHX
MCHX
SPRO
SPRO
Q4 25
-0.26×
Q3 25
Q2 25
9.56×
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

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