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Side-by-side financial comparison of FISERV INC (FISV) and Southern Company (SO). Click either name above to swap in a different company.

Southern Company is the larger business by last-quarter revenue ($7.0B vs $5.3B, roughly 1.3× FISERV INC). FISERV INC runs the higher net margin — 15.3% vs 4.9%, a 10.5% gap on every dollar of revenue. On growth, Southern Company posted the faster year-over-year revenue change (10.1% vs 0.6%). FISERV INC produced more free cash flow last quarter ($1.5B vs $-1.7B). Over the past eight quarters, FISERV INC's revenue compounded faster (4.0% CAGR vs 2.5%).

Fiserv, Inc. is an American multinational financial technology company headquartered in Milwaukee, Wisconsin. The company processes debit and credit card transactions, loyalty programs, loans, electronic bill pay, wires and ACH transfers, check deposits, and ATM transactions on behalf of banking institutions. The company also produces debit and credit cards and point of sale terminals.

Southern Company is an American gas and electric utility holding company based in the Southern United States. It is headquartered in Atlanta, Georgia, with executive offices located in Birmingham, Alabama. As of 2021 it is the second largest utility company in the U.S. in terms of customer base. Through its subsidiaries it serves 9 million gas and electric utility customers in 6 states. Southern Company's regulated regional electric utilities serve a 120,000-square-mile (310,000 km2) territor...

FISV vs SO — Head-to-Head

Bigger by revenue
SO
SO
1.3× larger
SO
$7.0B
$5.3B
FISV
Growing faster (revenue YoY)
SO
SO
+9.5% gap
SO
10.1%
0.6%
FISV
Higher net margin
FISV
FISV
10.5% more per $
FISV
15.3%
4.9%
SO
More free cash flow
FISV
FISV
$3.2B more FCF
FISV
$1.5B
$-1.7B
SO
Faster 2-yr revenue CAGR
FISV
FISV
Annualised
FISV
4.0%
2.5%
SO

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FISV
FISV
SO
SO
Revenue
$5.3B
$7.0B
Net Profit
$811.0M
$341.0M
Gross Margin
Operating Margin
24.4%
13.1%
Net Margin
15.3%
4.9%
Revenue YoY
0.6%
10.1%
Net Profit YoY
-13.5%
-26.8%
EPS (diluted)
$1.51
$0.38

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
FISV
FISV
SO
SO
Q4 25
$5.3B
$7.0B
Q3 25
$5.3B
$7.8B
Q2 25
$5.5B
$7.0B
Q1 25
$5.1B
$7.8B
Q4 24
$5.3B
$6.3B
Q3 24
$5.2B
$7.3B
Q2 24
$5.1B
$6.5B
Q1 24
$4.9B
$6.6B
Net Profit
FISV
FISV
SO
SO
Q4 25
$811.0M
$341.0M
Q3 25
$792.0M
$1.7B
Q2 25
$1.0B
$880.0M
Q1 25
$851.0M
$1.3B
Q4 24
$938.0M
$466.0M
Q3 24
$564.0M
$1.5B
Q2 24
$894.0M
$1.2B
Q1 24
$735.0M
$1.1B
Operating Margin
FISV
FISV
SO
SO
Q4 25
24.4%
13.1%
Q3 25
27.3%
33.2%
Q2 25
30.7%
25.3%
Q1 25
27.2%
25.9%
Q4 24
31.8%
16.7%
Q3 24
30.7%
32.6%
Q2 24
28.0%
30.0%
Q1 24
24.2%
25.6%
Net Margin
FISV
FISV
SO
SO
Q4 25
15.3%
4.9%
Q3 25
15.0%
21.9%
Q2 25
18.6%
12.6%
Q1 25
16.6%
16.3%
Q4 24
17.9%
7.3%
Q3 24
10.8%
21.1%
Q2 24
17.5%
18.6%
Q1 24
15.1%
16.1%
EPS (diluted)
FISV
FISV
SO
SO
Q4 25
$1.51
$0.38
Q3 25
$1.46
$1.54
Q2 25
$1.86
$0.79
Q1 25
$1.51
$1.21
Q4 24
$1.63
$0.48
Q3 24
$0.98
$1.39
Q2 24
$1.53
$1.09
Q1 24
$1.24
$1.03

Balance Sheet & Financial Strength

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

Metric
FISV
FISV
SO
SO
Cash + ST InvestmentsLiquidity on hand
$798.0M
$1.6B
Total DebtLower is stronger
$27.8B
$65.6B
Stockholders' EquityBook value
$25.8B
$36.0B
Total Assets
$80.1B
$155.7B
Debt / EquityLower = less leverage
1.08×
1.82×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FISV
FISV
SO
SO
Q4 25
$798.0M
$1.6B
Q3 25
$1.1B
$3.3B
Q2 25
$999.0M
$1.3B
Q1 25
$1.2B
$2.3B
Q4 24
$1.2B
$1.1B
Q3 24
$1.2B
$1.0B
Q2 24
$1.2B
$1.2B
Q1 24
$1.2B
$713.0M
Total Debt
FISV
FISV
SO
SO
Q4 25
$27.8B
$65.6B
Q3 25
$28.9B
$64.6B
Q2 25
$28.1B
$63.0B
Q1 25
$27.0B
$62.9B
Q4 24
$23.7B
$58.8B
Q3 24
$24.1B
$61.3B
Q2 24
$24.4B
$59.9B
Q1 24
$23.8B
$59.4B
Stockholders' Equity
FISV
FISV
SO
SO
Q4 25
$25.8B
$36.0B
Q3 25
$25.1B
$38.3B
Q2 25
$25.2B
$37.3B
Q1 25
$25.9B
$37.2B
Q4 24
$27.1B
$33.2B
Q3 24
$27.8B
$36.9B
Q2 24
$28.2B
$36.1B
Q1 24
$28.8B
$35.6B
Total Assets
FISV
FISV
SO
SO
Q4 25
$80.1B
$155.7B
Q3 25
$79.4B
$153.2B
Q2 25
$81.5B
$148.9B
Q1 25
$80.4B
$148.1B
Q4 24
$77.2B
$145.2B
Q3 24
$79.8B
$144.0B
Q2 24
$93.4B
$141.9B
Q1 24
$92.7B
$140.1B
Debt / Equity
FISV
FISV
SO
SO
Q4 25
1.08×
1.82×
Q3 25
1.15×
1.69×
Q2 25
1.11×
1.69×
Q1 25
1.04×
1.69×
Q4 24
0.88×
1.77×
Q3 24
0.87×
1.66×
Q2 24
0.87×
1.66×
Q1 24
0.82×
1.67×

Cash Flow & Capital Efficiency

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

Metric
FISV
FISV
SO
SO
Operating Cash FlowLast quarter
$1.9B
$2.6B
Free Cash FlowOCF − Capex
$1.5B
$-1.7B
FCF MarginFCF / Revenue
28.4%
-24.2%
Capex IntensityCapex / Revenue
8.4%
61.4%
Cash ConversionOCF / Net Profit
2.40×
7.62×
TTM Free Cash FlowTrailing 4 quarters
$4.3B
$-2.9B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FISV
FISV
SO
SO
Q4 25
$1.9B
$2.6B
Q3 25
$1.8B
$3.8B
Q2 25
$1.7B
$2.2B
Q1 25
$648.0M
$1.3B
Q4 24
$2.2B
$2.2B
Q3 24
$2.2B
$3.6B
Q2 24
$1.3B
$2.7B
Q1 24
$831.0M
$1.3B
Free Cash Flow
FISV
FISV
SO
SO
Q4 25
$1.5B
$-1.7B
Q3 25
$1.3B
$559.0M
Q2 25
$1.2B
$-619.0M
Q1 25
$313.0M
$-1.2B
Q4 24
$1.8B
$-576.0M
Q3 24
$1.8B
$1.3B
Q2 24
$993.0M
$563.0M
Q1 24
$411.0M
$-459.0M
FCF Margin
FISV
FISV
SO
SO
Q4 25
28.4%
-24.2%
Q3 25
24.7%
7.1%
Q2 25
21.5%
-8.9%
Q1 25
6.1%
-15.3%
Q4 24
34.7%
-9.1%
Q3 24
35.2%
17.9%
Q2 24
19.4%
8.7%
Q1 24
8.4%
-6.9%
Capex Intensity
FISV
FISV
SO
SO
Q4 25
8.4%
61.4%
Q3 25
9.6%
41.1%
Q2 25
8.7%
40.2%
Q1 25
6.5%
31.3%
Q4 24
7.6%
43.4%
Q3 24
7.7%
31.8%
Q2 24
6.8%
32.9%
Q1 24
8.6%
26.6%
Cash Conversion
FISV
FISV
SO
SO
Q4 25
2.40×
7.62×
Q3 25
2.28×
2.21×
Q2 25
1.62×
2.48×
Q1 25
0.76×
0.98×
Q4 24
2.37×
4.66×
Q3 24
3.97×
2.36×
Q2 24
1.50×
2.23×
Q1 24
1.13×
1.22×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FISV
FISV

Small Business$1.7B32%
Products$1.0B19%
Digital Payments$960.0M18%
Issuing$792.0M15%
Enterprise$587.0M11%
Processing$265.0M5%
Affiliated Entity$18.0M0%

SO
SO

Other$3.9B57%
Retail Electric Commercial$1.6B23%
Natural Gas Distribution Residential$689.0M10%
Natural Gas Distribution Transportation$371.0M5%
Wholesale Non Affiliates$123.0M2%
Natural Gas Distribution Other$76.0M1%
Wholesale Electric Non PPA Revenues$62.0M1%
Wholesale Affiliates$55.0M1%
Retail Electric Other$31.0M0%
Alternative Energy$20.0M0%
Natural Gas Distribution Industrial$15.0M0%

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