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Side-by-side financial comparison of ESCO TECHNOLOGIES INC (ESE) and Ribbon Communications Inc. (RBBN). Click either name above to swap in a different company.

ESCO TECHNOLOGIES INC is the larger business by last-quarter revenue ($289.7M vs $162.6M, roughly 1.8× Ribbon Communications Inc.). Ribbon Communications Inc. runs the higher net margin — 54.8% vs 9.9%, a 44.9% gap on every dollar of revenue. On growth, ESCO TECHNOLOGIES INC posted the faster year-over-year revenue change (17.3% vs -10.3%). Over the past eight quarters, ESCO TECHNOLOGIES INC's revenue compounded faster (7.8% CAGR vs -8.1%).

Esco is a Singaporean brand that develops, manufactures, and sells products and services for laboratories.

Ribbon Communications Inc. is a public company that makes software, IP and optical networking solutions for service providers, enterprises and critical infrastructure sectors. The company was formed in 2017, following the merger of Genband and Sonus Networks and is headquartered in Plano, Texas.

ESE vs RBBN — Head-to-Head

Bigger by revenue
ESE
ESE
1.8× larger
ESE
$289.7M
$162.6M
RBBN
Growing faster (revenue YoY)
ESE
ESE
+27.6% gap
ESE
17.3%
-10.3%
RBBN
Higher net margin
RBBN
RBBN
44.9% more per $
RBBN
54.8%
9.9%
ESE
Faster 2-yr revenue CAGR
ESE
ESE
Annualised
ESE
7.8%
-8.1%
RBBN

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
ESE
ESE
RBBN
RBBN
Revenue
$289.7M
$162.6M
Net Profit
$28.7M
$89.1M
Gross Margin
41.4%
42.9%
Operating Margin
13.2%
37.6%
Net Margin
9.9%
54.8%
Revenue YoY
17.3%
-10.3%
Net Profit YoY
22.2%
EPS (diluted)
$1.11
$0.50

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
ESE
ESE
RBBN
RBBN
Q1 26
$162.6M
Q4 25
$289.7M
$227.3M
Q3 25
$286.5M
$215.4M
Q2 25
$296.3M
$220.6M
Q1 25
$265.5M
$181.3M
Q4 24
$247.0M
$251.4M
Q3 24
$298.5M
$210.2M
Q2 24
$260.8M
$192.6M
Net Profit
ESE
ESE
RBBN
RBBN
Q1 26
$89.1M
Q4 25
$28.7M
Q3 25
$218.7M
$-12.1M
Q2 25
$26.1M
$-11.1M
Q1 25
$31.0M
$-26.2M
Q4 24
$23.5M
Q3 24
$34.3M
$-13.4M
Q2 24
$29.2M
$-16.8M
Gross Margin
ESE
ESE
RBBN
RBBN
Q1 26
42.9%
Q4 25
41.4%
53.3%
Q3 25
45.9%
50.1%
Q2 25
41.2%
49.6%
Q1 25
41.1%
45.4%
Q4 24
39.8%
55.7%
Q3 24
40.1%
52.1%
Q2 24
39.6%
50.8%
Operating Margin
ESE
ESE
RBBN
RBBN
Q1 26
37.6%
Q4 25
13.2%
4.1%
Q3 25
17.2%
1.3%
Q2 25
11.2%
1.9%
Q1 25
15.3%
-10.8%
Q4 24
11.4%
13.2%
Q3 24
14.8%
-0.4%
Q2 24
14.3%
-1.0%
Net Margin
ESE
ESE
RBBN
RBBN
Q1 26
54.8%
Q4 25
9.9%
Q3 25
76.3%
-5.6%
Q2 25
8.8%
-5.0%
Q1 25
11.7%
-14.5%
Q4 24
9.5%
Q3 24
11.5%
-6.4%
Q2 24
11.2%
-8.7%
EPS (diluted)
ESE
ESE
RBBN
RBBN
Q1 26
$0.50
Q4 25
$1.11
$0.50
Q3 25
$8.43
$-0.07
Q2 25
$1.01
$-0.06
Q1 25
$1.20
$-0.15
Q4 24
$0.91
$0.05
Q3 24
$1.32
$-0.08
Q2 24
$1.13
$-0.10

Balance Sheet & Financial Strength

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

Metric
ESE
ESE
RBBN
RBBN
Cash + ST InvestmentsLiquidity on hand
$103.8M
$67.6M
Total DebtLower is stronger
$145.5M
Stockholders' EquityBook value
$1.6B
$419.1M
Total Assets
$2.4B
Debt / EquityLower = less leverage
0.09×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ESE
ESE
RBBN
RBBN
Q1 26
$67.6M
Q4 25
$103.8M
$96.4M
Q3 25
$101.3M
$74.8M
Q2 25
$78.7M
$60.5M
Q1 25
$57.4M
$71.2M
Q4 24
$71.3M
$87.8M
Q3 24
$66.0M
$37.2M
Q2 24
$63.0M
$64.6M
Total Debt
ESE
ESE
RBBN
RBBN
Q1 26
Q4 25
$145.5M
$342.1M
Q3 25
$186.0M
$344.3M
Q2 25
$525.0M
$346.5M
Q1 25
$88.0M
$347.4M
Q4 24
$112.0M
$348.3M
Q3 24
$122.0M
$349.1M
Q2 24
$173.0M
$350.0M
Stockholders' Equity
ESE
ESE
RBBN
RBBN
Q1 26
$419.1M
Q4 25
$1.6B
$449.0M
Q3 25
$1.5B
$360.1M
Q2 25
$1.3B
$370.4M
Q1 25
$1.3B
$381.8M
Q4 24
$1.2B
$404.6M
Q3 24
$1.2B
$395.5M
Q2 24
$1.2B
$405.0M
Total Assets
ESE
ESE
RBBN
RBBN
Q1 26
Q4 25
$2.4B
$1.2B
Q3 25
$2.4B
$1.1B
Q2 25
$2.5B
$1.1B
Q1 25
$1.8B
$1.1B
Q4 24
$1.8B
$1.2B
Q3 24
$1.8B
$1.1B
Q2 24
$1.8B
$1.1B
Debt / Equity
ESE
ESE
RBBN
RBBN
Q1 26
Q4 25
0.09×
0.76×
Q3 25
0.12×
0.96×
Q2 25
0.40×
0.94×
Q1 25
0.07×
0.91×
Q4 24
0.09×
0.86×
Q3 24
0.10×
0.88×
Q2 24
0.14×
0.86×

Cash Flow & Capital Efficiency

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

Metric
ESE
ESE
RBBN
RBBN
Operating Cash FlowLast quarter
$68.9M
Free Cash FlowOCF − Capex
$63.0M
FCF MarginFCF / Revenue
21.7%
Capex IntensityCapex / Revenue
2.0%
Cash ConversionOCF / Net Profit
2.40×
TTM Free Cash FlowTrailing 4 quarters
$239.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ESE
ESE
RBBN
RBBN
Q1 26
Q4 25
$68.9M
$29.2M
Q3 25
$109.9M
$26.5M
Q2 25
$73.7M
$-795.0K
Q1 25
$24.1M
$-3.5M
Q4 24
$34.2M
$61.8M
Q3 24
$72.1M
$-14.8M
Q2 24
$36.2M
$-9.8M
Free Cash Flow
ESE
ESE
RBBN
RBBN
Q1 26
Q4 25
$63.0M
$27.3M
Q3 25
$97.8M
$21.0M
Q2 25
$64.9M
$-6.5M
Q1 25
$14.0M
$-15.7M
Q4 24
$29.0M
$53.8M
Q3 24
$60.9M
$-23.7M
Q2 24
$27.6M
$-12.9M
FCF Margin
ESE
ESE
RBBN
RBBN
Q1 26
Q4 25
21.7%
12.0%
Q3 25
34.1%
9.7%
Q2 25
21.9%
-2.9%
Q1 25
5.3%
-8.7%
Q4 24
11.7%
21.4%
Q3 24
20.4%
-11.3%
Q2 24
10.6%
-6.7%
Capex Intensity
ESE
ESE
RBBN
RBBN
Q1 26
Q4 25
2.0%
0.9%
Q3 25
4.2%
2.6%
Q2 25
3.0%
2.6%
Q1 25
3.8%
6.7%
Q4 24
2.1%
3.2%
Q3 24
3.8%
4.2%
Q2 24
3.3%
1.6%
Cash Conversion
ESE
ESE
RBBN
RBBN
Q1 26
Q4 25
2.40×
Q3 25
0.50×
Q2 25
2.83×
Q1 25
0.78×
Q4 24
1.46×
Q3 24
2.10×
Q2 24
1.24×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ESE
ESE

US Government$98.0M34%
Utility Solutions Group$87.5M30%
RF Shielding And Test$58.3M20%
Commercial$45.8M16%
Related Party$1.3M0%

RBBN
RBBN

Service$94.5M58%
Product$68.1M42%

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