Advanced Medical Solutions Group (LSE:AMS) Beneish M-Score: -2.82 (As of Jun. 25, 2026)


LSE:AMS Advanced Medical Solutions Group PLC LSE:AMS
89 GF Score
Price £2.79
GF Value £3.69
Valuation Modestly Undervalued
! 6 Warning Signs
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What is Advanced Medical Solutions Group Beneish M-Score?

Advanced Medical Solutions Group LSE:AMS +16.04% 89 Beneish M-Score is -2.82 as of Jun. 25, 2026. GuruFocus rates LSE:AMS with a GF Score™ of 89/100 and a GF Value™ of £3.69 (Modestly Undervalued). The stock has 6 warning signs investors should review. Among 766 Medical Devices & Instruments companies, Advanced Medical Solutions Group ranks better than 69.97% on this metric.

The zones of discrimination for M-Score is as such:

An M-Score of equal or less than -1.78 suggests that the company is unlikely to be a manipulator.
An M-Score of greater than -1.78 signals that the company is likely to be a manipulator.

Good Sign:

Beneish M-Score -2.82 no higher than -1.78, which implies that the company is unlikely to be a manipulator.

The historical rank and industry rank for Advanced Medical Solutions Group's Beneish M-Score or its related term are showing as below:

LSE:AMS' s Beneish M-Score Range Over the Past 10 Years
Min: -2.89   Med: -2.46   Max: -1.88
Current: -2.82

During the past 13 years, the highest Beneish M-Score of Advanced Medical Solutions Group was -1.88. The lowest was -2.89. And the median was -2.46.


Advanced Medical Solutions Group Beneish M-Score Historical Data

* Premium members only.

The historical data trend for Advanced Medical Solutions Group's Beneish M-Score can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Advanced Medical Solutions Group Beneish M-Score Chart

Advanced Medical Solutions Group Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Beneish M-Score
Get a 7-Day Free Trial Premium Member Only Premium Member Only -2.72 -2.62 -2.31 -2.28 -2.82

Advanced Medical Solutions Group Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Beneish M-Score Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -2.31 0.00 -2.28 0.00 -2.82

LSE:AMS vs ISRG, BDX, MDLN: Beneish M-Score Comparison

For the Medical Instruments & Supplies subindustry, Advanced Medical Solutions Group's Beneish M-Score, along with its competitors' market caps and Beneish M-Score data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Advanced Medical Solutions Group Beneish M-Score vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Advanced Medical Solutions Group's Beneish M-Score distribution charts can be found below:

* The bar in red indicates where Advanced Medical Solutions Group's Beneish M-Score falls into.


LSE:AMS
89GF Score
Advanced Medical Solutions Group PLC LSE:AMS
Beneish M-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Advanced Medical Solutions Group Beneish M-Score Calculation

The M-score was created by Professor Messod Beneish. Instead of measuring the bankruptcy risk (Altman Z-Score) or business trend (Piotroski F-Score), M-score can be used to detect the risk of earnings manipulation. This is the original research paper on M-score.

The M-Score Variables:

The M-score of Advanced Medical Solutions Group for today is based on a combination of the following eight different indices:

M=-4.84+0.92 * DSRI+0.528 * GMI+0.404 * AQI+0.892 * SGI+0.115 * DEPI
=-4.84+0.92 * 0.6782+0.528 * 0.9779+0.404 * 0.94+0.892 * 1.2896+0.115 * 0.8596
-0.172 * SGAI+4.679 * TATA-0.327 * LVGI
-0.172 * 1.0248+4.679 * -0.057332-0.327 * 0.9389
=-2.82

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

This Year (Dec25) TTM:Last Year (Dec24) TTM:
Total Receivables was £44.0 Mil.
Revenue was £228.9 Mil.
Gross Profit was £122.1 Mil.
Total Current Assets was £139.4 Mil.
Total Assets was £394.8 Mil.
Property, Plant and Equipment(Net PPE) was £48.8 Mil.
Depreciation, Depletion and Amortization(DDA) was £21.4 Mil.
Selling, General, & Admin. Expense(SGA) was £94.3 Mil.
Total Current Liabilities was £49.9 Mil.
Long-Term Debt & Capital Lease Obligation was £66.8 Mil.
Net Income was £10.0 Mil.
Gross Profit was £0.0 Mil.
Cash Flow from Operations was £32.6 Mil.
Total Receivables was £50.3 Mil.
Revenue was £177.5 Mil.
Gross Profit was £92.6 Mil.
Total Current Assets was £126.3 Mil.
Total Assets was £388.5 Mil.
Property, Plant and Equipment(Net PPE) was £45.9 Mil.
Depreciation, Depletion and Amortization(DDA) was £16.3 Mil.
Selling, General, & Admin. Expense(SGA) was £71.4 Mil.
Total Current Liabilities was £44.3 Mil.
Long-Term Debt & Capital Lease Obligation was £78.1 Mil.




1. DSRI = Days Sales in Receivables Index

Measured as the ratio of Revenue in Total Receivables in year t to year t-1.

A large increase in DSR could be indicative of revenue inflation.

DSRI=(Receivables_t / Revenue_t) / (Receivables_t-1 / Revenue_t-1)
=(44.022 / 228.936) / (50.333 / 177.521)
=0.19229 / 0.283533
=0.6782

2. GMI = Gross Margin Index

Measured as the ratio of gross margin in year t-1 to gross margin in year t.

Gross margin has deteriorated when this index is above 1. A firm with poorer prospects is more likely to manipulate earnings.

GMI=GrossMargin_t-1 / GrossMargin_t
=(GrossProfit_t-1 / Revenue_t-1) / (GrossProfit_t / Revenue_t)
=(92.618 / 177.521) / (122.138 / 228.936)
=0.52173 / 0.533503
=0.9779

3. AQI = Asset Quality Index

AQI is the ratio of asset quality in year t to year t-1.

Asset quality is measured as the ratio of non-current assets other than Property, Plant and Equipment to Total Assets.

AQI=(1 - (CurrentAssets_t + PPE_t) / TotalAssets_t) / (1 - (CurrentAssets_t-1 + PPE_t-1) / TotalAssets_t-1)
=(1 - (139.365 + 48.75) / 394.77) / (1 - (126.278 + 45.871) / 388.496)
=0.523482 / 0.556883
=0.94

4. SGI = Sales Growth Index

Ratio of Revenue in year t to sales in year t-1.

Sales growth is not itself a measure of manipulation. However, growth companies are likely to find themselves under pressure to manipulate in order to keep up appearances.

SGI=Sales_t / Sales_t-1
=Revenue_t / Revenue_t-1
=228.936 / 177.521
=1.2896

5. DEPI = Depreciation Index

Measured as the ratio of the rate of Depreciation, Depletion and Amortization in year t-1 to the corresponding rate in year t.

DEPI greater than 1 indicates that assets are being depreciated at a slower rate. This suggests that the firm might be revising useful asset life assumptions upwards, or adopting a new method that is income friendly.

DEPI=(Depreciation_t-1 / (Depreciaton_t-1 + PPE_t-1)) / (Depreciation_t / (Depreciaton_t + PPE_t))
=(16.302 / (16.302 + 45.871)) / (21.397 / (21.397 + 48.75))
=0.262204 / 0.305031
=0.8596

Note: If the Depreciation, Depletion and Amortization data is not available, we assume that the depreciation rate is constant and set the Depreciation Index to 1.

6. SGAI = Sales, General and Administrative expenses Index

The ratio of Selling, General, & Admin. Expense(SGA) to Sales in year t relative to year t-1.

SGA expenses index > 1 means that the company is becoming less efficient in generate sales.

SGAI=(SGA_t / Sales_t) / (SGA_t-1 /Sales_t-1)
=(94.342 / 228.936) / (71.381 / 177.521)
=0.412089 / 0.402099
=1.0248

7. LVGI = Leverage Index

The ratio of total debt to Total Assets in year t relative to yeat t-1.

An LVGI > 1 indicates an increase in leverage

LVGI=((LTD_t + CurrentLiabilities_t) / TotalAssets_t) / ((LTD_t-1 + CurrentLiabilities_t-1) / TotalAssets_t-1)
=((66.821 + 49.946) / 394.77) / ((78.056 + 44.331) / 388.496)
=0.295785 / 0.315028
=0.9389

8. TATA = Total Accruals to Total Assets

Total accruals calculated as the change in working capital accounts other than cash less depreciation.

TATA=(IncomefromContinuingOperations_t - CashFlowsfromOperations_t) / TotalAssets_t
=(NetIncome_t - NonOperatingIncome_t - CashFlowsfromOperations_t) / TotalAssets_t
=(9.954 - 0 - 32.587) / 394.77
=-0.057332

An M-Score of equal or less than -1.78 suggests that the company is unlikely to be a manipulator. An M-Score of greater than -1.78 signals that the company is likely to be a manipulator.

Advanced Medical Solutions Group has a M-score of -2.82 suggests that the company is unlikely to be a manipulator.

Frequently Asked Questions Learn more about Beneish M-Score →
What does a Beneish M-Score of -2.82 mean?
Advanced Medical Solutions Group (LSE:AMS) has a Beneish M-Score of -2.82 as of Jun. 25, 2026. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Advanced Medical Solutions Group and its competitors. According to the industry distribution chart, Advanced Medical Solutions Group ranks #230 out of 766 companies in the Medical Devices & Instruments industry, placing it in the top 30%.
Is Advanced Medical Solutions Group's Beneish M-Score too high?
Advanced Medical Solutions Group's current Beneish M-Score is -2.82. Based on the distribution chart, Advanced Medical Solutions Group ranks #230 out of 766 companies in the Medical Devices & Instruments industry, which is above the industry midpoint. Overall, Advanced Medical Solutions Group has a GF Score™ of 89/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Advanced Medical Solutions Group's Beneish M-Score compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Advanced Medical Solutions Group ranks #230 out of 766 companies for Beneish M-Score. This puts Advanced Medical Solutions Group in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Beneish M-Score for a Medical Devices & Instruments company?
A good Beneish M-Score depends on the Medical Devices & Instruments industry context. However, Beneish M-Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Beneish M-Score mean?
A high Beneish M-Score can signal that a stock is expensive relative to its fundamentals. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Advanced Medical Solutions Group and its competitors. Advanced Medical Solutions Group's current Beneish M-Score is -2.82. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Advanced Medical Solutions Group stock overvalued right now?
Based on GuruFocus' analysis, Advanced Medical Solutions Group (LSE:AMS) is currently considered Modestly Undervalued. The stock's GF Value™ is £3.69, compared to a current price of £2.79 — trading 24.5% below its estimated fair value. The current Beneish M-Score is -2.82. Advanced Medical Solutions Group's overall GF Score™ is 89/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Beneish M-Score calculated?
Beneish M-Score is calculated from a company's financial statements. For Advanced Medical Solutions Group (LSE:AMS), the current Beneish M-Score is -2.82 as of Jun. 25, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Advanced Medical Solutions Group (LSE:AMS) Overvalued in 2026?

Based on GuruFocus' analysis, Advanced Medical Solutions Group stock appears to be undervalued. The current stock price of £2.79 is trading 24.5% below its estimated GF Value™ of £3.69. GuruFocus considers Advanced Medical Solutions Group to be Modestly Undervalued.

Key valuation signals for LSE:AMS:

  • Beneish M-Score: -2.82
  • GF Value™: £3.69 vs. price of £2.79 (24.5% below fair value)
  • GF Score™: 89/100 with 6 warning signs

No single metric tells the full story. See the LSE:AMS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Advanced Medical Solutions Group Business Description

Other Exchanges AMSl:UKAQA:Germany
Address Premier Park, 33 Road One, Winsford Industrial Estate, Winsford, Cheshire, GBR, CW7 3RT
Advanced Medical Solutions Group PLC is engaged in developing and manufacturing wound-care products for other healthcare manufacturers. AMS' key branded products include the ActivHeal franchise of hydrogel, hydrocolloid, foam, and alginate wound dressings. The firm also manufactures and markets a suite of branded products in surgical use, including the LiquiBand franchise for tissue adhesion and the Resorba line of sutures and collagen-based products for tissue repair. The company's segment includes: Surgical and Woundcare, of which the Surgical segment derives maximum revenue. Geographically, the company operates in the United Kingdom, Germany, France, the rest of Europe, the United States of America, and the rest of the world.
89GF Score

Get the complete analysis for LSE:AMS

Beneish M-Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

£2.79
Price
£3.69
GF Value