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Side-by-side financial comparison of Castellum, Inc. (CTM) and ICF International, Inc. (ICFI). Click either name above to swap in a different company.

ICF International, Inc. is the larger business by last-quarter revenue ($443.7M vs $12.6M, roughly 35.3× Castellum, Inc.). ICF International, Inc. runs the higher net margin — 3.9% vs -10.5%, a 14.4% gap on every dollar of revenue. On growth, Castellum, Inc. posted the faster year-over-year revenue change (21.9% vs -10.6%). Over the past eight quarters, Castellum, Inc.'s revenue compounded faster (5.3% CAGR vs -5.3%).

Castellum, Inc. is a U.S.-based cybersecurity and information technology services provider. It caters to government defense agencies, public sector entities, and commercial enterprise clients, offering threat detection, data protection, cloud security, and managed IT solutions to help organizations mitigate cyber risks and safeguard critical digital infrastructure.

ICF International, Inc. is an American publicly traded consulting and technology services company based in Reston, Virginia.

CTM vs ICFI — Head-to-Head

Bigger by revenue
ICFI
ICFI
35.3× larger
ICFI
$443.7M
$12.6M
CTM
Growing faster (revenue YoY)
CTM
CTM
+32.5% gap
CTM
21.9%
-10.6%
ICFI
Higher net margin
ICFI
ICFI
14.4% more per $
ICFI
3.9%
-10.5%
CTM
Faster 2-yr revenue CAGR
CTM
CTM
Annualised
CTM
5.3%
-5.3%
ICFI

Income Statement — Q4 2025 vs Q4 2025

Metric
CTM
CTM
ICFI
ICFI
Revenue
$12.6M
$443.7M
Net Profit
$-1.3M
$17.3M
Gross Margin
33.9%
35.7%
Operating Margin
-11.1%
6.5%
Net Margin
-10.5%
3.9%
Revenue YoY
21.9%
-10.6%
Net Profit YoY
51.8%
-29.5%
EPS (diluted)
$-0.02
$0.95

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
CTM
CTM
ICFI
ICFI
Q4 25
$12.6M
$443.7M
Q3 25
$14.6M
$465.4M
Q2 25
$14.0M
$476.2M
Q1 25
$11.7M
$487.6M
Q4 24
$10.3M
$496.3M
Q3 24
$11.6M
$517.0M
Q2 24
$11.5M
$512.0M
Q1 24
$11.3M
$494.4M
Net Profit
CTM
CTM
ICFI
ICFI
Q4 25
$-1.3M
$17.3M
Q3 25
$415.4K
$23.8M
Q2 25
$-322.1K
$23.7M
Q1 25
$-1.2M
$26.9M
Q4 24
$-2.7M
$24.6M
Q3 24
$-1.3M
$32.7M
Q2 24
$-1.8M
$25.6M
Q1 24
$-4.1M
$27.3M
Gross Margin
CTM
CTM
ICFI
ICFI
Q4 25
33.9%
35.7%
Q3 25
37.6%
37.6%
Q2 25
36.1%
37.3%
Q1 25
39.0%
38.0%
Q4 24
40.0%
36.1%
Q3 24
42.7%
37.1%
Q2 24
40.6%
35.7%
Q1 24
39.8%
37.2%
Operating Margin
CTM
CTM
ICFI
ICFI
Q4 25
-11.1%
6.5%
Q3 25
3.0%
8.3%
Q2 25
-2.7%
8.4%
Q1 25
-12.7%
7.9%
Q4 24
-15.7%
7.3%
Q3 24
-11.9%
8.9%
Q2 24
-13.6%
8.3%
Q1 24
-23.6%
8.3%
Net Margin
CTM
CTM
ICFI
ICFI
Q4 25
-10.5%
3.9%
Q3 25
2.8%
5.1%
Q2 25
-2.3%
5.0%
Q1 25
-10.0%
5.5%
Q4 24
-26.6%
4.9%
Q3 24
-11.0%
6.3%
Q2 24
-16.0%
5.0%
Q1 24
-36.3%
5.5%
EPS (diluted)
CTM
CTM
ICFI
ICFI
Q4 25
$-0.02
$0.95
Q3 25
$0.00
$1.28
Q2 25
$0.00
$1.28
Q1 25
$-0.01
$1.44
Q4 24
$-0.05
$1.29
Q3 24
$-0.02
$1.73
Q2 24
$-0.03
$1.36
Q1 24
$-0.08
$1.44

Balance Sheet & Financial Strength

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

Metric
CTM
CTM
ICFI
ICFI
Cash + ST InvestmentsLiquidity on hand
$5.3M
Total DebtLower is stronger
$401.4M
Stockholders' EquityBook value
$35.8M
$1.0B
Total Assets
$41.9M
$2.1B
Debt / EquityLower = less leverage
0.39×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTM
CTM
ICFI
ICFI
Q4 25
$5.3M
Q3 25
$4.0M
Q2 25
$7.0M
Q1 25
$5.7M
Q4 24
$5.0M
Q3 24
$6.9M
Q2 24
$4.1M
Q1 24
$3.7M
Total Debt
CTM
CTM
ICFI
ICFI
Q4 25
$401.4M
Q3 25
$449.4M
Q2 25
$462.3M
Q1 25
$502.0M
Q4 24
$8.0M
$411.7M
Q3 24
$8.3M
$419.1M
Q2 24
$8.7M
$433.9M
Q1 24
$9.0M
$474.7M
Stockholders' Equity
CTM
CTM
ICFI
ICFI
Q4 25
$35.8M
$1.0B
Q3 25
$36.7M
$1.0B
Q2 25
$31.8M
$1.0B
Q1 25
$26.1M
$968.9M
Q4 24
$20.2M
$982.5M
Q3 24
$12.0M
$976.3M
Q2 24
$12.1M
$943.3M
Q1 24
$12.8M
$916.1M
Total Assets
CTM
CTM
ICFI
ICFI
Q4 25
$41.9M
$2.1B
Q3 25
$46.3M
$2.1B
Q2 25
$43.4M
$2.1B
Q1 25
$41.1M
$2.1B
Q4 24
$37.8M
$2.1B
Q3 24
$28.8M
$2.0B
Q2 24
$29.5M
$2.0B
Q1 24
$30.5M
$2.0B
Debt / Equity
CTM
CTM
ICFI
ICFI
Q4 25
0.39×
Q3 25
0.44×
Q2 25
0.46×
Q1 25
0.52×
Q4 24
0.40×
0.42×
Q3 24
0.69×
0.43×
Q2 24
0.72×
0.46×
Q1 24
0.70×
0.52×

Cash Flow & Capital Efficiency

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

Metric
CTM
CTM
ICFI
ICFI
Operating Cash FlowLast quarter
$-661.7K
$75.6M
Free Cash FlowOCF − Capex
$68.7M
FCF MarginFCF / Revenue
15.5%
Capex IntensityCapex / Revenue
1.6%
Cash ConversionOCF / Net Profit
4.37×
TTM Free Cash FlowTrailing 4 quarters
$120.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTM
CTM
ICFI
ICFI
Q4 25
$-661.7K
$75.6M
Q3 25
$1.0M
$47.3M
Q2 25
$214.2K
$52.0M
Q1 25
$-2.5M
$-33.0M
Q4 24
$-394.4K
$95.4M
Q3 24
$742.2K
$25.5M
Q2 24
$748.6K
$60.6M
Q1 24
$23.7K
$-10.0M
Free Cash Flow
CTM
CTM
ICFI
ICFI
Q4 25
$68.7M
Q3 25
$957.0K
$41.8M
Q2 25
$46.2M
Q1 25
$-36.5M
Q4 24
$89.5M
Q3 24
$738.9K
$20.4M
Q2 24
$55.5M
Q1 24
$-15.2M
FCF Margin
CTM
CTM
ICFI
ICFI
Q4 25
15.5%
Q3 25
6.5%
9.0%
Q2 25
9.7%
Q1 25
-7.5%
Q4 24
18.0%
Q3 24
6.4%
3.9%
Q2 24
10.8%
Q1 24
-3.1%
Capex Intensity
CTM
CTM
ICFI
ICFI
Q4 25
1.6%
Q3 25
0.3%
1.2%
Q2 25
1.2%
Q1 25
0.7%
Q4 24
0.0%
1.2%
Q3 24
0.0%
1.0%
Q2 24
0.0%
1.0%
Q1 24
0.0%
1.1%
Cash Conversion
CTM
CTM
ICFI
ICFI
Q4 25
4.37×
Q3 25
2.41×
1.99×
Q2 25
2.20×
Q1 25
-1.23×
Q4 24
3.88×
Q3 24
0.78×
Q2 24
2.37×
Q1 24
-0.37×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CTM
CTM

Segment breakdown not available.

ICFI
ICFI

US Federal Government$166.7M38%
Commercial$164.4M37%
US State And Local Government$78.7M18%
International Government$33.8M8%

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