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Side-by-side financial comparison of FLEXIBLE SOLUTIONS INTERNATIONAL INC (FSI) and RAPID MICRO BIOSYSTEMS, INC. (RPID). Click either name above to swap in a different company.

RAPID MICRO BIOSYSTEMS, INC. is the larger business by last-quarter revenue ($11.3M vs $9.1M, roughly 1.2× FLEXIBLE SOLUTIONS INTERNATIONAL INC). FLEXIBLE SOLUTIONS INTERNATIONAL INC runs the higher net margin — -5.1% vs -110.8%, a 105.7% gap on every dollar of revenue. On growth, RAPID MICRO BIOSYSTEMS, INC. posted the faster year-over-year revenue change (37.3% vs -0.5%). RAPID MICRO BIOSYSTEMS, INC. produced more free cash flow last quarter ($-3.3M vs $-4.0M). Over the past eight quarters, RAPID MICRO BIOSYSTEMS, INC.'s revenue compounded faster (41.8% 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.

Rapid Micro Biosystems, Inc. develops and manufactures automated microbial detection and quality control solutions for the life sciences industry. Its core products serve biopharmaceutical manufacturers, contract development and manufacturing organizations, operating across key global markets including North America, Europe and Asia-Pacific, helping clients cut testing timelines and improve operational efficiency.

FSI vs RPID — Head-to-Head

Bigger by revenue
RPID
RPID
1.2× larger
RPID
$11.3M
$9.1M
FSI
Growing faster (revenue YoY)
RPID
RPID
+37.8% gap
RPID
37.3%
-0.5%
FSI
Higher net margin
FSI
FSI
105.7% more per $
FSI
-5.1%
-110.8%
RPID
More free cash flow
RPID
RPID
$700.7K more FCF
RPID
$-3.3M
$-4.0M
FSI
Faster 2-yr revenue CAGR
RPID
RPID
Annualised
RPID
41.8%
-0.6%
FSI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FSI
FSI
RPID
RPID
Revenue
$9.1M
$11.3M
Net Profit
$-460.9K
$-12.5M
Gross Margin
29.4%
Operating Margin
11.6%
-108.2%
Net Margin
-5.1%
-110.8%
Revenue YoY
-0.5%
37.3%
Net Profit YoY
-167.8%
-29.3%
EPS (diluted)
$-0.03
$-0.26

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
RPID
RPID
Q4 25
$9.1M
$11.3M
Q3 25
$10.6M
$7.8M
Q2 25
$11.4M
$7.3M
Q1 25
$7.5M
$7.2M
Q4 24
$9.2M
$8.2M
Q3 24
$9.3M
$7.6M
Q2 24
$10.5M
$6.6M
Q1 24
$9.2M
$5.6M
Net Profit
FSI
FSI
RPID
RPID
Q4 25
$-460.9K
$-12.5M
Q3 25
$-503.4K
$-11.5M
Q2 25
$2.0M
$-11.9M
Q1 25
$-277.7K
$-11.3M
Q4 24
$679.6K
$-9.7M
Q3 24
$611.9K
$-11.3M
Q2 24
$1.3M
$-12.6M
Q1 24
$457.2K
$-13.3M
Gross Margin
FSI
FSI
RPID
RPID
Q4 25
29.4%
Q3 25
23.9%
Q2 25
47.4%
Q1 25
26.1%
Q4 24
29.2%
Q3 24
40.9%
Q2 24
37.4%
Q1 24
30.6%
Operating Margin
FSI
FSI
RPID
RPID
Q4 25
11.6%
-108.2%
Q3 25
2.9%
-145.1%
Q2 25
29.0%
-167.3%
Q1 25
-0.9%
-161.8%
Q4 24
9.4%
-124.5%
Q3 24
20.5%
-158.3%
Q2 24
18.7%
-202.1%
Q1 24
8.3%
-254.4%
Net Margin
FSI
FSI
RPID
RPID
Q4 25
-5.1%
-110.8%
Q3 25
-4.8%
-146.8%
Q2 25
17.8%
-163.3%
Q1 25
-3.7%
-156.3%
Q4 24
7.4%
-117.6%
Q3 24
6.6%
-148.9%
Q2 24
12.3%
-190.1%
Q1 24
5.0%
-237.4%
EPS (diluted)
FSI
FSI
RPID
RPID
Q4 25
$-0.03
$-0.26
Q3 25
$-0.04
$-0.26
Q2 25
$0.15
$-0.27
Q1 25
$-0.02
$-0.26
Q4 24
$0.05
$-0.22
Q3 24
$0.05
$-0.26
Q2 24
$0.10
$-0.29
Q1 24
$0.04
$-0.31

Balance Sheet & Financial Strength

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

Metric
FSI
FSI
RPID
RPID
Cash + ST InvestmentsLiquidity on hand
$20.0M
Total DebtLower is stronger
$4.4M
Stockholders' EquityBook value
$38.9M
$33.2M
Total Assets
$61.8M
$74.9M
Debt / EquityLower = less leverage
0.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSI
FSI
RPID
RPID
Q4 25
$20.0M
Q3 25
$18.9M
Q2 25
$10.0M
$18.3M
Q1 25
$11.0M
$18.9M
Q4 24
$10.0M
$16.9M
Q3 24
$13.0M
$22.0M
Q2 24
$9.2M
$37.1M
Q1 24
$8.3M
$22.4M
Total Debt
FSI
FSI
RPID
RPID
Q4 25
$4.4M
Q3 25
$7.1M
Q2 25
$7.5M
Q1 25
$8.1M
Q4 24
$8.8M
Q3 24
$9.4M
Q2 24
$8.3M
Q1 24
$8.0M
Stockholders' Equity
FSI
FSI
RPID
RPID
Q4 25
$38.9M
$33.2M
Q3 25
$39.0M
$44.3M
Q2 25
$39.4M
$54.5M
Q1 25
$38.4M
$65.5M
Q4 24
$38.0M
$75.4M
Q3 24
$36.9M
$84.4M
Q2 24
$36.2M
$94.6M
Q1 24
$36.0M
$105.9M
Total Assets
FSI
FSI
RPID
RPID
Q4 25
$61.8M
$74.9M
Q3 25
$58.4M
$84.4M
Q2 25
$58.2M
$75.6M
Q1 25
$61.7M
$85.4M
Q4 24
$60.0M
$98.2M
Q3 24
$57.8M
$105.8M
Q2 24
$56.3M
$117.1M
Q1 24
$57.6M
$127.7M
Debt / Equity
FSI
FSI
RPID
RPID
Q4 25
0.11×
Q3 25
0.18×
Q2 25
0.19×
Q1 25
0.21×
Q4 24
0.23×
Q3 24
0.25×
Q2 24
0.23×
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
RPID
RPID
Operating Cash FlowLast quarter
$-3.0M
$-3.2M
Free Cash FlowOCF − Capex
$-4.0M
$-3.3M
FCF MarginFCF / Revenue
-44.3%
-29.6%
Capex IntensityCapex / Revenue
11.7%
0.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-591.7K
$-31.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSI
FSI
RPID
RPID
Q4 25
$-3.0M
$-3.2M
Q3 25
$2.0M
$-9.1M
Q2 25
$5.3M
$-9.7M
Q1 25
$-544.3K
$-9.1M
Q4 24
$-2.2M
$-9.9M
Q3 24
$2.5M
$-8.6M
Q2 24
$5.9M
$-10.1M
Q1 24
$-604.8K
$-15.5M
Free Cash Flow
FSI
FSI
RPID
RPID
Q4 25
$-4.0M
$-3.3M
Q3 25
$39.4K
$-9.1M
Q2 25
$4.3M
$-10.1M
Q1 25
$-898.4K
$-9.4M
Q4 24
$-4.3M
$-10.0M
Q3 24
$1.3M
$-8.8M
Q2 24
$4.7M
$-10.6M
Q1 24
$-1.1M
$-16.1M
FCF Margin
FSI
FSI
RPID
RPID
Q4 25
-44.3%
-29.6%
Q3 25
0.4%
-116.4%
Q2 25
37.9%
-138.6%
Q1 25
-12.0%
-130.2%
Q4 24
-47.0%
-121.8%
Q3 24
13.6%
-116.0%
Q2 24
44.9%
-159.8%
Q1 24
-11.7%
-287.1%
Capex Intensity
FSI
FSI
RPID
RPID
Q4 25
11.7%
0.8%
Q3 25
18.7%
0.9%
Q2 25
8.6%
5.0%
Q1 25
4.7%
4.4%
Q4 24
22.8%
1.2%
Q3 24
13.0%
2.9%
Q2 24
11.3%
6.9%
Q1 24
5.2%
10.4%
Cash Conversion
FSI
FSI
RPID
RPID
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.

Revenue Breakdown by Segment

FSI
FSI

Segment breakdown not available.

RPID
RPID

Products$9.3M83%
Services$2.0M17%

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