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Side-by-side financial comparison of FLEXIBLE SOLUTIONS INTERNATIONAL INC (FSI) and Sunlands Technology Group (STG). Click either name above to swap in a different company.

Sunlands Technology Group is the larger business by last-quarter revenue ($10.1M vs $9.1M, roughly 1.1× FLEXIBLE SOLUTIONS INTERNATIONAL INC). Sunlands Technology Group runs the higher net margin — 24.0% vs -5.1%, a 29.0% gap on every dollar of revenue. Over the past eight quarters, Sunlands Technology Group's revenue compounded faster (0.6% CAGR vs -0.6%).

Flexible Solutions International Inc develops and manufactures specialty chemicals for water conservation, energy efficiency, and agricultural use. Core products include water body evaporative reduction solutions, farm crop yield additives, and swimming pool heat retention products, serving customers across North America and global agricultural markets.

STG Partners, LLC (STG) is an American private equity firm and based in Menlo Park, California. Its predecessor, Symphony Technology Group ("Symphony") was founded in 2002 by Romesh Wadhwani, William Chisholm, and Bryan Taylor. In 2017, Symphony was reorganized as STG Partners. As of March 2025, STG Partners managed approximately $12 billion in 19 pooled investment vehicle for its clients. The firm itself has less than one billion dollars in assets.

FSI vs STG — Head-to-Head

Bigger by revenue
STG
STG
1.1× larger
STG
$10.1M
$9.1M
FSI
Higher net margin
STG
STG
29.0% more per $
STG
24.0%
-5.1%
FSI
Faster 2-yr revenue CAGR
STG
STG
Annualised
STG
0.6%
-0.6%
FSI

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
FSI
FSI
STG
STG
Revenue
$9.1M
$10.1M
Net Profit
$-460.9K
$2.4M
Gross Margin
29.4%
88.5%
Operating Margin
11.6%
26.5%
Net Margin
-5.1%
24.0%
Revenue YoY
-0.5%
Net Profit YoY
-167.8%
EPS (diluted)
$-0.03

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
FSI
FSI
STG
STG
Q4 25
$9.1M
Q3 25
$10.6M
$10.1M
Q2 25
$11.4M
$9.3M
Q1 25
$7.5M
Q4 24
$9.2M
$9.7M
Q3 24
$9.3M
Q2 24
$10.5M
$10.0M
Q1 24
$9.2M
Net Profit
FSI
FSI
STG
STG
Q4 25
$-460.9K
Q3 25
$-503.4K
$2.4M
Q2 25
$2.0M
$1.4M
Q1 25
$-277.7K
Q4 24
$679.6K
$1.8M
Q3 24
$611.9K
Q2 24
$1.3M
$2.2M
Q1 24
$457.2K
Gross Margin
FSI
FSI
STG
STG
Q4 25
29.4%
Q3 25
23.9%
88.5%
Q2 25
47.4%
85.2%
Q1 25
26.1%
Q4 24
29.2%
83.3%
Q3 24
40.9%
Q2 24
37.4%
85.2%
Q1 24
30.6%
Operating Margin
FSI
FSI
STG
STG
Q4 25
11.6%
Q3 25
2.9%
26.5%
Q2 25
29.0%
15.2%
Q1 25
-0.9%
Q4 24
9.4%
13.4%
Q3 24
20.5%
Q2 24
18.7%
Q1 24
8.3%
Net Margin
FSI
FSI
STG
STG
Q4 25
-5.1%
Q3 25
-4.8%
24.0%
Q2 25
17.8%
15.4%
Q1 25
-3.7%
Q4 24
7.4%
18.2%
Q3 24
6.6%
Q2 24
12.3%
21.5%
Q1 24
5.0%
EPS (diluted)
FSI
FSI
STG
STG
Q4 25
$-0.03
Q3 25
$-0.04
Q2 25
$0.15
Q1 25
$-0.02
Q4 24
$0.05
Q3 24
$0.05
Q2 24
$0.10
$0.31
Q1 24
$0.04

Balance Sheet & Financial Strength

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

Metric
FSI
FSI
STG
STG
Cash + ST InvestmentsLiquidity on hand
$15.1M
Total DebtLower is stronger
$4.4M
Stockholders' EquityBook value
$38.9M
$17.7M
Total Assets
$61.8M
$41.2M
Debt / EquityLower = less leverage
0.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSI
FSI
STG
STG
Q4 25
Q3 25
$15.1M
Q2 25
$10.0M
Q1 25
$11.0M
Q4 24
$10.0M
$15.6M
Q3 24
$13.0M
Q2 24
$9.2M
$18.7M
Q1 24
$8.3M
Total Debt
FSI
FSI
STG
STG
Q4 25
$4.4M
Q3 25
$7.1M
Q2 25
$7.5M
Q1 25
$8.1M
Q4 24
$8.8M
$1.5M
Q3 24
$9.4M
Q2 24
$8.3M
$1.8M
Q1 24
$8.0M
Stockholders' Equity
FSI
FSI
STG
STG
Q4 25
$38.9M
Q3 25
$39.0M
$17.7M
Q2 25
$39.4M
$12.6M
Q1 25
$38.4M
Q4 24
$38.0M
$10.7M
Q3 24
$36.9M
Q2 24
$36.2M
$7.6M
Q1 24
$36.0M
Total Assets
FSI
FSI
STG
STG
Q4 25
$61.8M
Q3 25
$58.4M
$41.2M
Q2 25
$58.2M
$40.3M
Q1 25
$61.7M
Q4 24
$60.0M
$42.4M
Q3 24
$57.8M
Q2 24
$56.3M
$41.3M
Q1 24
$57.6M
Debt / Equity
FSI
FSI
STG
STG
Q4 25
0.11×
Q3 25
0.18×
Q2 25
0.19×
Q1 25
0.21×
Q4 24
0.23×
0.14×
Q3 24
0.25×
Q2 24
0.23×
0.24×
Q1 24
0.22×

Cash Flow & Capital Efficiency

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

Metric
FSI
FSI
STG
STG
Operating Cash FlowLast quarter
$-3.0M
Free Cash FlowOCF − Capex
$-4.0M
FCF MarginFCF / Revenue
-44.3%
Capex IntensityCapex / Revenue
11.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-591.7K

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSI
FSI
STG
STG
Q4 25
$-3.0M
Q3 25
$2.0M
Q2 25
$5.3M
Q1 25
$-544.3K
Q4 24
$-2.2M
Q3 24
$2.5M
Q2 24
$5.9M
Q1 24
$-604.8K
Free Cash Flow
FSI
FSI
STG
STG
Q4 25
$-4.0M
Q3 25
$39.4K
Q2 25
$4.3M
Q1 25
$-898.4K
Q4 24
$-4.3M
Q3 24
$1.3M
Q2 24
$4.7M
Q1 24
$-1.1M
FCF Margin
FSI
FSI
STG
STG
Q4 25
-44.3%
Q3 25
0.4%
Q2 25
37.9%
Q1 25
-12.0%
Q4 24
-47.0%
Q3 24
13.6%
Q2 24
44.9%
Q1 24
-11.7%
Capex Intensity
FSI
FSI
STG
STG
Q4 25
11.7%
Q3 25
18.7%
Q2 25
8.6%
Q1 25
4.7%
Q4 24
22.8%
Q3 24
13.0%
Q2 24
11.3%
Q1 24
5.2%
Cash Conversion
FSI
FSI
STG
STG
Q4 25
Q3 25
Q2 25
2.60×
Q1 25
Q4 24
-3.27×
Q3 24
4.05×
Q2 24
4.59×
Q1 24
-1.32×

Financial Flow Comparison

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

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