Sono Group N.V. (SSM) Key Metrics

NASDAQ: SSMValuation, returns, debt and efficiency ratios over 7 years.

SSM key metrics, 2019–2025

Fiscal year ended December 31, 2025 · euros

SSM returns How much profit the business earns on the capital it uses.

Return on assets
170.0%
2025 · hover or tap a bar for each year
2019: −174.4%2020: −190.2% (−15.8 pts)2021: −63.8% (+126.4 pts)2022: −192.4% (−128.6 pts)2023: −136.4% (+56.0 pts)2025: 170.0%
20192025
Cash conversion (OCF / net income)
−1.54
2025 · hover or tap a bar for each year
2024: −0.232025: −1.54
20192025
Asset turnover
0.06
2025 · hover or tap a bar for each year
2019: 0.002020: 0.002021: 0.002022: 0.00 (+1,403.4%)2023: 0.00 (−47.7%)2024: 0.00 (−100.0%)2025: 0.06
20192025

SSM returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

SSM debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

SSM key metrics in euros

2019–2025
Sono Group N.V. key metrics by fiscal year
2025202420232022202120202019
Returns & profitability
Return on equity (ROE)————−163.1%——
Return on assets (ROA)170.0%—−136.4%−192.4%−63.8%−190.2%−174.4%
Return on tangible assets240.0%—−478.8%−342.8%−43.5%−105.2%−175.2%
Income quality (OCF / net income)−1.54−0.23—————
Financial health
Total debt€674,231€24.7M€26.3M€34.9M€6.8M€14.7M€8.4M
Cash & short-term investments€241,971€1.4M€7.4M€30.8M€138.9M€47.9M€402,385
Net debt€432,260€23.3M€18.9M€4.0M−€132.1M−€33.2M€8.0M
Debt / equity————0.08——
Debt / assets0.408.082.750.610.050.281.49
Net debt / EBITDA—0.36—————
Current ratio0.740.090.091.2011.173.500.14
Quick ratio0.420.080.091.2011.143.500.14
Interest coverage———-153.6-17.3-26.5-33.1
Working capital−€318,322−€22.9M−€87.7M€9.2M€129.7M€35.1M−€5.9M
Invested capital€306,576€630,000−€68.8M−€39.5M−€48.7M−€38.2M−€10.4M
Tangible asset value−€125,684−€22.7M−€87.7M−€43.5M€83.2M−€5.0M−€18.4M
Net current asset value−€910,330−€23.4M−€88.4M−€45.2M€78.6M−€9.1M−€23.1M
Capital allocation
Capex / revenue0.0%—9,147.6%19,235.4%10,325.0%——
Capex / depreciation0.004.44132.4855.222.430.115.08
Stock-based compensation / revenue0.0%—−1,361.9%589.2%12,381.2%——
R&D / revenue1,219.5%—38,419.0%69,204.8%253,806.2%——
SG&A / revenue3,993.3%—34,102.4%10,080.3%101,050.0%——
Efficiency
Days sales outstanding——32,159.17,195.831,224.0——
Days of inventory on hand1,369.6—-255.4193.52,345.1—0.0
Days payables outstanding3,186.4—17,965.85,516.943,208.4——
Cash conversion cycle (days)——13,937.91,872.4-9,639.3——
Receivables turnover——0.010.050.010.000.00
Payables turnover0.110.000.020.070.01——
Inventory turnover0.270.00—1.890.16—441,636.00
Asset turnover0.060.000.000.000.000.000.00
Average receivables——€3.7M€4.8M€1.4M€471,355€500,263
Average payables€803,158€812,000€3.4M€6.4M€6.9M——
Average inventory€345,224€66,518−€48,982€222,823€372,646—€0
Intangibles / total assets0.0%0.0%0.0%0.0%0.1%0.0%0.5%

Computed from SSM's annual financial statements (latest annual report filed April 1, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in euros; data from EODHD. Averages use the opening and closing balance of each year.

SSM valuation and financial ratios

It ended the year with €0.7 million of debt and €0.2 million in cash and short-term investments, net debt of €0.4 million.

See the SSM income statement, the SSM chart for price history, or the SSM stock overview for the latest quote and news.

SSM key metrics FAQ

How much debt does Sono have?

Sono had total debt of €0.7 million at the end of fiscal 2025.

What is Sono's current ratio?

Sono's current ratio was 0.74 at the end of fiscal 2025: current assets were 0.74 times current liabilities.

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