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Side-by-side financial comparison of CSG SYSTEMS INTERNATIONAL INC (CSGS) and INTERNATIONAL BANCSHARES CORP (IBOC). Click either name above to swap in a different company.

CSG SYSTEMS INTERNATIONAL INC is the larger business by last-quarter revenue ($323.1M vs $217.7M, roughly 1.5× INTERNATIONAL BANCSHARES CORP). INTERNATIONAL BANCSHARES CORP runs the higher net margin — 62.3% vs 2.2%, a 60.2% gap on every dollar of revenue. On growth, INTERNATIONAL BANCSHARES CORP posted the faster year-over-year revenue change (4.5% vs 2.0%). INTERNATIONAL BANCSHARES CORP produced more free cash flow last quarter ($472.9M vs $55.8M). Over the past eight quarters, CSG SYSTEMS INTERNATIONAL INC's revenue compounded faster (4.6% CAGR vs 2.8%).

CSG Holding Limited, formerly China Southern Glass Holding Limited, is the largest architectural glass manufacturer in China. It is involved in manufacturing and selling glass products, such as float glass, architectural glass, display glass, automotive glass, coated glass, mirrors, color filter glass, solar glass and conservation glass.

International Bancshares Corporation is a bank holding company based in Laredo, Texas whose primary subsidiary is International Bank of Commerce. Through its bank subsidiaries, it has 217 banking offices and 315 automated teller machines serving 88 communities in the U.S. states of Texas and Oklahoma.

CSGS vs IBOC — Head-to-Head

Bigger by revenue
CSGS
CSGS
1.5× larger
CSGS
$323.1M
$217.7M
IBOC
Growing faster (revenue YoY)
IBOC
IBOC
+2.5% gap
IBOC
4.5%
2.0%
CSGS
Higher net margin
IBOC
IBOC
60.2% more per $
IBOC
62.3%
2.2%
CSGS
More free cash flow
IBOC
IBOC
$417.1M more FCF
IBOC
$472.9M
$55.8M
CSGS
Faster 2-yr revenue CAGR
CSGS
CSGS
Annualised
CSGS
4.6%
2.8%
IBOC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CSGS
CSGS
IBOC
IBOC
Revenue
$323.1M
$217.7M
Net Profit
$7.0M
$106.9M
Gross Margin
50.0%
Operating Margin
9.0%
62.8%
Net Margin
2.2%
62.3%
Revenue YoY
2.0%
4.5%
Net Profit YoY
-79.7%
-7.1%
EPS (diluted)
$0.24
$1.71

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
CSGS
CSGS
IBOC
IBOC
Q4 25
$323.1M
$217.7M
Q3 25
$303.6M
$218.1M
Q2 25
$297.1M
$208.2M
Q1 25
$299.5M
$198.2M
Q4 24
$316.7M
$208.3M
Q3 24
$295.1M
$211.8M
Q2 24
$290.3M
$207.8M
Q1 24
$295.1M
$205.8M
Net Profit
CSGS
CSGS
IBOC
IBOC
Q4 25
$7.0M
$106.9M
Q3 25
$20.5M
$108.4M
Q2 25
$12.3M
$100.1M
Q1 25
$16.1M
$96.9M
Q4 24
$34.5M
$115.1M
Q3 24
$19.1M
$99.8M
Q2 24
$13.8M
$97.0M
Q1 24
$19.5M
$97.3M
Gross Margin
CSGS
CSGS
IBOC
IBOC
Q4 25
50.0%
Q3 25
48.1%
Q2 25
49.5%
Q1 25
48.4%
Q4 24
51.3%
Q3 24
49.4%
Q2 24
47.3%
Q1 24
46.5%
Operating Margin
CSGS
CSGS
IBOC
IBOC
Q4 25
9.0%
62.8%
Q3 25
10.0%
62.6%
Q2 25
10.0%
60.5%
Q1 25
9.8%
61.1%
Q4 24
13.4%
64.2%
Q3 24
10.8%
60.0%
Q2 24
8.8%
60.1%
Q1 24
10.8%
59.9%
Net Margin
CSGS
CSGS
IBOC
IBOC
Q4 25
2.2%
62.3%
Q3 25
6.7%
49.7%
Q2 25
4.1%
48.1%
Q1 25
5.4%
48.9%
Q4 24
10.9%
71.5%
Q3 24
6.5%
47.1%
Q2 24
4.8%
46.7%
Q1 24
6.6%
47.3%
EPS (diluted)
CSGS
CSGS
IBOC
IBOC
Q4 25
$0.24
$1.71
Q3 25
$0.73
$1.74
Q2 25
$0.44
$1.61
Q1 25
$0.57
$1.56
Q4 24
$1.20
$1.85
Q3 24
$0.67
$1.60
Q2 24
$0.48
$1.56
Q1 24
$0.68
$1.56

Balance Sheet & Financial Strength

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

Metric
CSGS
CSGS
IBOC
IBOC
Cash + ST InvestmentsLiquidity on hand
$180.0M
$5.5B
Total DebtLower is stronger
$539.5M
Stockholders' EquityBook value
$283.7M
$3.3B
Total Assets
$1.5B
$16.6B
Debt / EquityLower = less leverage
1.90×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSGS
CSGS
IBOC
IBOC
Q4 25
$180.0M
$5.5B
Q3 25
$158.4M
$5.6B
Q2 25
$145.9M
$5.8B
Q1 25
$136.0M
$5.6B
Q4 24
$161.8M
$5.4B
Q3 24
$118.4M
$5.8B
Q2 24
$110.4M
$5.7B
Q1 24
$120.8M
$5.7B
Total Debt
CSGS
CSGS
IBOC
IBOC
Q4 25
$539.5M
Q3 25
$538.6M
Q2 25
$537.8M
Q1 25
$537.6M
Q4 24
$538.5M
Q3 24
$539.5M
Q2 24
$540.5M
Q1 24
$541.5M
Stockholders' Equity
CSGS
CSGS
IBOC
IBOC
Q4 25
$283.7M
$3.3B
Q3 25
$289.5M
$3.1B
Q2 25
$290.7M
$3.0B
Q1 25
$283.1M
$2.9B
Q4 24
$282.6M
$2.8B
Q3 24
$288.4M
$2.7B
Q2 24
$273.3M
$2.6B
Q1 24
$269.3M
$2.5B
Total Assets
CSGS
CSGS
IBOC
IBOC
Q4 25
$1.5B
$16.6B
Q3 25
$1.5B
$16.6B
Q2 25
$1.4B
$16.5B
Q1 25
$1.4B
$16.3B
Q4 24
$1.5B
$15.7B
Q3 24
$1.4B
$15.9B
Q2 24
$1.4B
$15.5B
Q1 24
$1.3B
$15.4B
Debt / Equity
CSGS
CSGS
IBOC
IBOC
Q4 25
1.90×
Q3 25
1.86×
Q2 25
1.85×
Q1 25
1.90×
Q4 24
1.91×
Q3 24
1.87×
Q2 24
1.98×
Q1 24
2.01×

Cash Flow & Capital Efficiency

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

Metric
CSGS
CSGS
IBOC
IBOC
Operating Cash FlowLast quarter
$59.2M
$491.1M
Free Cash FlowOCF − Capex
$55.8M
$472.9M
FCF MarginFCF / Revenue
17.3%
217.2%
Capex IntensityCapex / Revenue
1.1%
8.3%
Cash ConversionOCF / Net Profit
8.46×
4.59×
TTM Free Cash FlowTrailing 4 quarters
$141.4M
$809.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSGS
CSGS
IBOC
IBOC
Q4 25
$59.2M
$491.1M
Q3 25
$47.9M
$115.2M
Q2 25
$37.3M
$95.5M
Q1 25
$11.5M
$140.5M
Q4 24
$82.5M
$473.9M
Q3 24
$39.5M
$116.5M
Q2 24
$43.1M
$107.2M
Q1 24
$-29.4M
$135.4M
Free Cash Flow
CSGS
CSGS
IBOC
IBOC
Q4 25
$55.8M
$472.9M
Q3 25
$43.9M
$112.2M
Q2 25
$34.6M
$91.6M
Q1 25
$7.1M
$133.1M
Q4 24
$76.6M
$459.8M
Q3 24
$32.0M
$109.6M
Q2 24
$38.8M
$104.9M
Q1 24
$-34.1M
$128.9M
FCF Margin
CSGS
CSGS
IBOC
IBOC
Q4 25
17.3%
217.2%
Q3 25
14.5%
51.5%
Q2 25
11.6%
44.0%
Q1 25
2.4%
67.1%
Q4 24
24.2%
220.8%
Q3 24
10.8%
51.7%
Q2 24
13.4%
50.5%
Q1 24
-11.6%
62.6%
Capex Intensity
CSGS
CSGS
IBOC
IBOC
Q4 25
1.1%
8.3%
Q3 25
1.3%
1.3%
Q2 25
0.9%
1.9%
Q1 25
1.5%
3.7%
Q4 24
1.9%
6.8%
Q3 24
2.5%
3.3%
Q2 24
1.5%
1.1%
Q1 24
1.6%
3.2%
Cash Conversion
CSGS
CSGS
IBOC
IBOC
Q4 25
8.46×
4.59×
Q3 25
2.34×
1.06×
Q2 25
3.04×
0.95×
Q1 25
0.71×
1.45×
Q4 24
2.39×
4.12×
Q3 24
2.07×
1.17×
Q2 24
3.12×
1.11×
Q1 24
-1.51×
1.39×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CSGS
CSGS

Software As A Service And Related Solutions$287.2M89%
License And Service$22.6M7%
Maintenance$13.3M4%

IBOC
IBOC

Segment breakdown not available.

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