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Side-by-side financial comparison of BOK FINANCIAL CORP (BOKF) and IES Holdings, Inc. (IESC). Click either name above to swap in a different company.

IES Holdings, Inc. is the larger business by last-quarter revenue ($871.0M vs $589.6M, roughly 1.5× BOK FINANCIAL CORP). BOK FINANCIAL CORP runs the higher net margin — 30.1% vs 10.5%, a 19.5% gap on every dollar of revenue. On growth, IES Holdings, Inc. posted the faster year-over-year revenue change (16.2% vs 12.7%). BOK FINANCIAL CORP produced more free cash flow last quarter ($575.2M vs $-18.9M). Over the past eight quarters, BOK FINANCIAL CORP's revenue compounded faster (13.8% CAGR vs 11.1%).

BOK Financial Corporation — pronounced as letters, "B-O-K" — is a financial services holding company headquartered in Tulsa, Oklahoma. Offering a full complement of retail and commercial banking products and services across the American Midwest and Southwest, the company is one of the 50 largest financial services firms in the U.S., and the largest in Oklahoma.

IES Holdings, Inc., formerly known as Integrated Electrical Services, Inc., designs and installs integrated electrical and technology systems and provides infrastructure products and services to a variety of end markets, including data centers, residential housing, and commercial and industrial facilities.

BOKF vs IESC — Head-to-Head

Bigger by revenue
IESC
IESC
1.5× larger
IESC
$871.0M
$589.6M
BOKF
Growing faster (revenue YoY)
IESC
IESC
+3.5% gap
IESC
16.2%
12.7%
BOKF
Higher net margin
BOKF
BOKF
19.5% more per $
BOKF
30.1%
10.5%
IESC
More free cash flow
BOKF
BOKF
$594.1M more FCF
BOKF
$575.2M
$-18.9M
IESC
Faster 2-yr revenue CAGR
BOKF
BOKF
Annualised
BOKF
13.8%
11.1%
IESC

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
BOKF
BOKF
IESC
IESC
Revenue
$589.6M
$871.0M
Net Profit
$177.3M
$91.8M
Gross Margin
25.3%
Operating Margin
38.8%
11.2%
Net Margin
30.1%
10.5%
Revenue YoY
12.7%
16.2%
Net Profit YoY
30.2%
59.1%
EPS (diluted)
$2.90
$4.51

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
BOKF
BOKF
IESC
IESC
Q4 25
$589.6M
$871.0M
Q3 25
$548.4M
$897.8M
Q2 25
$535.3M
$890.2M
Q1 25
$502.3M
$834.0M
Q4 24
$523.1M
$749.5M
Q3 24
$516.3M
$775.8M
Q2 24
$555.7M
$768.4M
Q1 24
$455.3M
$705.7M
Net Profit
BOKF
BOKF
IESC
IESC
Q4 25
$177.3M
$91.8M
Q3 25
$140.9M
$102.3M
Q2 25
$140.0M
$79.3M
Q1 25
$119.8M
$72.6M
Q4 24
$136.2M
$57.7M
Q3 24
$140.0M
$65.5M
Q2 24
$163.7M
$66.6M
Q1 24
$83.7M
$56.8M
Gross Margin
BOKF
BOKF
IESC
IESC
Q4 25
25.3%
Q3 25
26.0%
Q2 25
26.9%
Q1 25
25.0%
Q4 24
23.8%
Q3 24
24.0%
Q2 24
25.3%
Q1 24
24.3%
Operating Margin
BOKF
BOKF
IESC
IESC
Q4 25
38.8%
11.2%
Q3 25
32.2%
11.6%
Q2 25
33.8%
12.6%
Q1 25
30.8%
11.1%
Q4 24
33.5%
10.0%
Q3 24
33.6%
9.7%
Q2 24
38.0%
11.7%
Q1 24
23.5%
11.0%
Net Margin
BOKF
BOKF
IESC
IESC
Q4 25
30.1%
10.5%
Q3 25
25.7%
11.4%
Q2 25
26.2%
8.9%
Q1 25
23.8%
8.7%
Q4 24
26.0%
7.7%
Q3 24
27.1%
8.4%
Q2 24
29.5%
8.7%
Q1 24
18.4%
8.0%
EPS (diluted)
BOKF
BOKF
IESC
IESC
Q4 25
$2.90
$4.51
Q3 25
$2.22
$4.99
Q2 25
$2.19
$3.81
Q1 25
$1.86
$3.50
Q4 24
$2.13
$2.72
Q3 24
$2.18
$3.06
Q2 24
$2.54
$2.67
Q1 24
$1.29
$2.29

Balance Sheet & Financial Strength

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

Metric
BOKF
BOKF
IESC
IESC
Cash + ST InvestmentsLiquidity on hand
$258.7M
Total DebtLower is stronger
$4.6B
Stockholders' EquityBook value
$5.9B
$961.1M
Total Assets
$52.2B
$1.7B
Debt / EquityLower = less leverage
0.78×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BOKF
BOKF
IESC
IESC
Q4 25
$258.7M
Q3 25
$231.8M
Q2 25
$168.3M
Q1 25
$88.3M
Q4 24
$112.0M
Q3 24
$135.8M
Q2 24
$44.9M
Q1 24
$106.0M
Total Debt
BOKF
BOKF
IESC
IESC
Q4 25
$4.6B
Q3 25
Q2 25
Q1 25
Q4 24
$4.5B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
BOKF
BOKF
IESC
IESC
Q4 25
$5.9B
$961.1M
Q3 25
$6.0B
$884.0M
Q2 25
$5.9B
$781.4M
Q1 25
$5.8B
$705.8M
Q4 24
$5.5B
$652.4M
Q3 24
$5.6B
$611.1M
Q2 24
$5.2B
$567.5M
Q1 24
$5.1B
$534.8M
Total Assets
BOKF
BOKF
IESC
IESC
Q4 25
$52.2B
$1.7B
Q3 25
$50.2B
$1.6B
Q2 25
$51.0B
$1.5B
Q1 25
$50.5B
$1.4B
Q4 24
$49.7B
$1.3B
Q3 24
$50.1B
$1.2B
Q2 24
$50.4B
$1.2B
Q1 24
$50.2B
$1.1B
Debt / Equity
BOKF
BOKF
IESC
IESC
Q4 25
0.78×
Q3 25
Q2 25
Q1 25
Q4 24
0.80×
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
BOKF
BOKF
IESC
IESC
Operating Cash FlowLast quarter
$739.6M
$27.7M
Free Cash FlowOCF − Capex
$575.2M
$-18.9M
FCF MarginFCF / Revenue
97.6%
-2.2%
Capex IntensityCapex / Revenue
27.9%
5.3%
Cash ConversionOCF / Net Profit
4.17×
0.30×
TTM Free Cash FlowTrailing 4 quarters
$1.4B
$175.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BOKF
BOKF
IESC
IESC
Q4 25
$739.6M
$27.7M
Q3 25
$867.8M
$132.0M
Q2 25
$89.4M
$92.0M
Q1 25
$20.3M
$24.8M
Q4 24
$1.4B
$37.3M
Q3 24
$246.7M
$92.8M
Q2 24
$463.5M
$82.9M
Q1 24
$179.2M
$33.7M
Free Cash Flow
BOKF
BOKF
IESC
IESC
Q4 25
$575.2M
$-18.9M
Q3 25
$838.5M
$112.0M
Q2 25
$60.8M
$74.8M
Q1 25
$-28.0M
$7.9M
Q4 24
$1.3B
$24.1M
Q3 24
$209.5M
$78.5M
Q2 24
$417.2M
$65.4M
Q1 24
$138.3M
$26.9M
FCF Margin
BOKF
BOKF
IESC
IESC
Q4 25
97.6%
-2.2%
Q3 25
152.9%
12.5%
Q2 25
11.4%
8.4%
Q1 25
-5.6%
0.9%
Q4 24
240.7%
3.2%
Q3 24
40.6%
10.1%
Q2 24
75.1%
8.5%
Q1 24
30.4%
3.8%
Capex Intensity
BOKF
BOKF
IESC
IESC
Q4 25
27.9%
5.3%
Q3 25
5.3%
2.2%
Q2 25
5.3%
1.9%
Q1 25
9.6%
2.0%
Q4 24
32.8%
1.8%
Q3 24
7.2%
1.8%
Q2 24
8.3%
2.3%
Q1 24
9.0%
1.0%
Cash Conversion
BOKF
BOKF
IESC
IESC
Q4 25
4.17×
0.30×
Q3 25
6.16×
1.29×
Q2 25
0.64×
1.16×
Q1 25
0.17×
0.34×
Q4 24
10.51×
0.65×
Q3 24
1.76×
1.42×
Q2 24
2.83×
1.24×
Q1 24
2.14×
0.59×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BOKF
BOKF

Segment breakdown not available.

IESC
IESC

Communications$351.9M40%
Single Family Electrical Contracts$137.0M16%
Custom Engineered Solutions$116.0M13%
Commercialand Industrial$94.8M11%
Single Family Contracts Plumbing HVAC$82.9M10%
Multi Familyand Other$64.2M7%
Industrial Services$24.2M3%

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