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Side-by-side financial comparison of CSG SYSTEMS INTERNATIONAL INC (CSGS) and Paymentus Holdings, Inc. (PAY). Click either name above to swap in a different company.

Paymentus Holdings, Inc. is the larger business by last-quarter revenue ($330.5M vs $323.1M, roughly 1.0× CSG SYSTEMS INTERNATIONAL INC). Paymentus Holdings, Inc. runs the higher net margin — 6.3% vs 2.2%, a 4.1% gap on every dollar of revenue. On growth, Paymentus Holdings, Inc. posted the faster year-over-year revenue change (28.1% vs 2.0%). CSG SYSTEMS INTERNATIONAL INC produced more free cash flow last quarter ($55.8M vs $45.0M). Over the past eight quarters, Paymentus Holdings, Inc.'s revenue compounded faster (33.7% CAGR vs 4.6%).

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.

Paymentus Holdings, Inc. is a leading cloud-based bill payment and customer engagement technology provider. It offers integrated digital payment solutions, billing automation tools, and self-service portals for enterprises across utilities, financial services, government, healthcare, and telecommunications segments, primarily operating in the North American market.

CSGS vs PAY — Head-to-Head

Bigger by revenue
PAY
PAY
1.0× larger
PAY
$330.5M
$323.1M
CSGS
Growing faster (revenue YoY)
PAY
PAY
+26.1% gap
PAY
28.1%
2.0%
CSGS
Higher net margin
PAY
PAY
4.1% more per $
PAY
6.3%
2.2%
CSGS
More free cash flow
CSGS
CSGS
$10.8M more FCF
CSGS
$55.8M
$45.0M
PAY
Faster 2-yr revenue CAGR
PAY
PAY
Annualised
PAY
33.7%
4.6%
CSGS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CSGS
CSGS
PAY
PAY
Revenue
$323.1M
$330.5M
Net Profit
$7.0M
$20.7M
Gross Margin
50.0%
25.4%
Operating Margin
9.0%
7.3%
Net Margin
2.2%
6.3%
Revenue YoY
2.0%
28.1%
Net Profit YoY
-79.7%
57.2%
EPS (diluted)
$0.24
$0.16

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
PAY
PAY
Q4 25
$323.1M
$330.5M
Q3 25
$303.6M
$310.7M
Q2 25
$297.1M
$280.1M
Q1 25
$299.5M
$275.2M
Q4 24
$316.7M
$257.9M
Q3 24
$295.1M
$231.6M
Q2 24
$290.3M
$197.4M
Q1 24
$295.1M
$184.9M
Net Profit
CSGS
CSGS
PAY
PAY
Q4 25
$7.0M
$20.7M
Q3 25
$20.5M
$17.7M
Q2 25
$12.3M
$14.7M
Q1 25
$16.1M
$13.8M
Q4 24
$34.5M
$13.1M
Q3 24
$19.1M
$14.4M
Q2 24
$13.8M
$9.4M
Q1 24
$19.5M
$7.2M
Gross Margin
CSGS
CSGS
PAY
PAY
Q4 25
50.0%
25.4%
Q3 25
48.1%
24.1%
Q2 25
49.5%
25.5%
Q1 25
48.4%
24.0%
Q4 24
51.3%
25.6%
Q3 24
49.4%
26.2%
Q2 24
47.3%
29.8%
Q1 24
46.5%
28.5%
Operating Margin
CSGS
CSGS
PAY
PAY
Q4 25
9.0%
7.3%
Q3 25
10.0%
6.4%
Q2 25
10.0%
5.7%
Q1 25
9.8%
5.7%
Q4 24
13.4%
5.5%
Q3 24
10.8%
5.2%
Q2 24
8.8%
5.2%
Q1 24
10.8%
4.5%
Net Margin
CSGS
CSGS
PAY
PAY
Q4 25
2.2%
6.3%
Q3 25
6.7%
5.7%
Q2 25
4.1%
5.3%
Q1 25
5.4%
5.0%
Q4 24
10.9%
5.1%
Q3 24
6.5%
6.2%
Q2 24
4.8%
4.7%
Q1 24
6.6%
3.9%
EPS (diluted)
CSGS
CSGS
PAY
PAY
Q4 25
$0.24
$0.16
Q3 25
$0.73
$0.14
Q2 25
$0.44
$0.11
Q1 25
$0.57
$0.11
Q4 24
$1.20
$0.11
Q3 24
$0.67
$0.11
Q2 24
$0.48
$0.07
Q1 24
$0.68
$0.06

Balance Sheet & Financial Strength

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

Metric
CSGS
CSGS
PAY
PAY
Cash + ST InvestmentsLiquidity on hand
$180.0M
$320.9M
Total DebtLower is stronger
$539.5M
Stockholders' EquityBook value
$283.7M
$560.4M
Total Assets
$1.5B
$667.9M
Debt / EquityLower = less leverage
1.90×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSGS
CSGS
PAY
PAY
Q4 25
$180.0M
$320.9M
Q3 25
$158.4M
$287.9M
Q2 25
$145.9M
$266.4M
Q1 25
$136.0M
$245.8M
Q4 24
$161.8M
$205.9M
Q3 24
$118.4M
$187.5M
Q2 24
$110.4M
$188.8M
Q1 24
$120.8M
$180.1M
Total Debt
CSGS
CSGS
PAY
PAY
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
PAY
PAY
Q4 25
$283.7M
$560.4M
Q3 25
$289.5M
$537.4M
Q2 25
$290.7M
$516.7M
Q1 25
$283.1M
$500.4M
Q4 24
$282.6M
$485.6M
Q3 24
$288.4M
$468.8M
Q2 24
$273.3M
$451.6M
Q1 24
$269.3M
$439.4M
Total Assets
CSGS
CSGS
PAY
PAY
Q4 25
$1.5B
$667.9M
Q3 25
$1.5B
$644.4M
Q2 25
$1.4B
$609.5M
Q1 25
$1.4B
$590.9M
Q4 24
$1.5B
$576.2M
Q3 24
$1.4B
$552.9M
Q2 24
$1.4B
$527.7M
Q1 24
$1.3B
$514.0M
Debt / Equity
CSGS
CSGS
PAY
PAY
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
PAY
PAY
Operating Cash FlowLast quarter
$59.2M
$45.1M
Free Cash FlowOCF − Capex
$55.8M
$45.0M
FCF MarginFCF / Revenue
17.3%
13.6%
Capex IntensityCapex / Revenue
1.1%
0.0%
Cash ConversionOCF / Net Profit
8.46×
2.18×
TTM Free Cash FlowTrailing 4 quarters
$141.4M
$161.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSGS
CSGS
PAY
PAY
Q4 25
$59.2M
$45.1M
Q3 25
$47.9M
$35.1M
Q2 25
$37.3M
$31.5M
Q1 25
$11.5M
$50.4M
Q4 24
$82.5M
$27.9M
Q3 24
$39.5M
$6.7M
Q2 24
$43.1M
$18.0M
Q1 24
$-29.4M
$11.0M
Free Cash Flow
CSGS
CSGS
PAY
PAY
Q4 25
$55.8M
$45.0M
Q3 25
$43.9M
$35.0M
Q2 25
$34.6M
$31.4M
Q1 25
$7.1M
$50.4M
Q4 24
$76.6M
$27.8M
Q3 24
$32.0M
$6.7M
Q2 24
$38.8M
$17.8M
Q1 24
$-34.1M
$10.8M
FCF Margin
CSGS
CSGS
PAY
PAY
Q4 25
17.3%
13.6%
Q3 25
14.5%
11.3%
Q2 25
11.6%
11.2%
Q1 25
2.4%
18.3%
Q4 24
24.2%
10.8%
Q3 24
10.8%
2.9%
Q2 24
13.4%
9.0%
Q1 24
-11.6%
5.9%
Capex Intensity
CSGS
CSGS
PAY
PAY
Q4 25
1.1%
0.0%
Q3 25
1.3%
0.0%
Q2 25
0.9%
0.0%
Q1 25
1.5%
0.0%
Q4 24
1.9%
0.0%
Q3 24
2.5%
0.0%
Q2 24
1.5%
0.1%
Q1 24
1.6%
0.1%
Cash Conversion
CSGS
CSGS
PAY
PAY
Q4 25
8.46×
2.18×
Q3 25
2.34×
1.98×
Q2 25
3.04×
2.14×
Q1 25
0.71×
3.65×
Q4 24
2.39×
2.12×
Q3 24
2.07×
0.47×
Q2 24
3.12×
1.93×
Q1 24
-1.51×
1.52×

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%

PAY
PAY

Payment Transaction Processing Revenue$326.9M99%
Other$3.5M1%

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