SDIIF (SDI Group) Tax Rate %: 26.83% (As of Oct. 2025)


SDIIF SDI Group PLC SDIIF
93 GF Score
Price $1.05
GF Value $1.30
Valuation Modestly Undervalued
! 7 Warning Signs
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What is SDI Group Tax Rate %?

SDI Group SDIIF 93 Tax Rate % is 26.83% as of Oct. 2025. GuruFocus rates SDIIF with a GF Score™ of 93/100 and a GF Value™ of $1.30 (Modestly Undervalued). The stock has 7 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. SDI Group's Tax Expense for the six months ended in Oct. 2025 was $0.89 Mil. SDI Group's Pre-Tax Income for the six months ended in Oct. 2025 was $3.31 Mil. Therefore, SDI Group's Tax Rate % for the quarter that ended in Oct. 2025 was 26.83%.

SDI Group Tax Rate % Related Terms

SDI Group Tax Rate % Historical Data

* Premium members only.

The historical data trend for SDI Group's Tax Rate % 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.

SDI Group Tax Rate % Chart

SDI Group Annual Data
Trend Apr16 Apr17 Apr18 Apr19 Apr20 Apr21 Apr22 Apr23 Apr24 Apr25
Tax Rate %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 16.58 23.68 33.20 24.87 26.07

SDI Group Semi-Annual Data
Apr16 Oct16 Apr17 Oct17 Apr18 Oct18 Apr19 Oct19 Apr20 Oct20 Apr21 Oct21 Apr22 Oct22 Apr23 Oct23 Apr24 Oct24 Apr25 Oct25
Tax Rate % 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 24.92 24.83 26.78 25.76 26.83
SDIIF
93GF Score
SDI Group PLC SDIIF
Tax Rate % is just one metric. See GF Score™, valuation, warning signs, and more.
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SDI Group Tax Rate % Calculation

Tax Rate % is the ratio of tax expense divided by pretax income, usually presented in percent.

SDI Group's Tax Rate % for the fiscal year that ended in Apr. 2025 is calculated as

Tax Rate %=Tax Expense (A: Apr. 2025 )/Pre-Tax Income (A: Apr. 2025 )
=1.871/7.177
=26.07 %

SDI Group's Tax Rate % for the quarter that ended in Oct. 2025 is calculated as

Tax Rate %=Tax Expense (Q: Oct. 2025 )/Pre-Tax Income (Q: Oct. 2025 )
=0.887/3.306
=26.83 %

* 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.

Frequently Asked Questions Learn more about Tax Rate % →
What does a Tax Rate % of 26.83% mean?
SDI Group (SDIIF) has a Tax Rate % of 26.83% as of Oct. 2025.
Is SDI Group's Tax Rate % too high?
SDI Group's current Tax Rate % is 26.83%. Overall, SDI Group has a GF Score™ of 93/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does SDI Group's Tax Rate % compare to COHR and KEYS?
SDI Group's Tax Rate % of 26.83% can be compared against companies in the Hardware industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Tax Rate % for a Hardware company?
A good Tax Rate % depends on the Hardware industry context. However, Tax Rate % 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 Tax Rate % mean?
A high Tax Rate % can signal that a stock is expensive relative to its fundamentals. SDI Group's current Tax Rate % is 26.83%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SDI Group stock overvalued right now?
Based on GuruFocus' analysis, SDI Group (SDIIF) is currently considered Modestly Undervalued. The stock's GF Value™ is $1.30, compared to a current price of $1.05 — trading 19.2% below its estimated fair value. The current Tax Rate % is 26.83%. SDI Group's overall GF Score™ is 93/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Tax Rate % calculated?
Tax Rate % is calculated from a company's financial statements. For SDI Group (SDIIF), the current Tax Rate % is 26.83% as of Oct. 2025. 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 SDI Group (SDIIF) Overvalued in 2026?

Based on GuruFocus' analysis, SDI Group stock appears to be undervalued. The current stock price of $1.05 is trading 19.2% below its estimated GF Value™ of $1.30. GuruFocus considers SDI Group to be Modestly Undervalued.

Key valuation signals for SDIIF:

  • Tax Rate %: 26.83%
  • GF Value™: $1.30 vs. price of $1.05 (19.2% below fair value)
  • GF Score™: 93/100 with 7 warning signs

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

SDI Group Business Description

Other Exchanges SDI:UKSD0:Germany
Address Nuffield Road, Beacon House, Cambridge, GBR, CB4 1TF
SDI Group PLC designs and manufactures scientific and technology products for use by the life science, healthcare, astronomy, consumer manufacturing, and art conservation markets through Synoptics, the Artemis, the Opus instruments, and Astles Control systems brands. The Digital Imaging segment incorporates the Synoptics brands Syngene, Synbiosis, Synoptics Health and Fistreem, the Atik brands Atik Cameras, Opus, and Quantum Scientific Imaging, and the Graticules Optics business. The Sensors & Control segment combines Sentek, Astles Control Systems, Applied Thermal Control, Thermal Exchange, MPB Industries, and Chell Instruments businesses. It operates in the UK, Europe, America, Rest of Asia, and Rest of the world segments. It derives majority of its revenues from the United Kingdom.
93GF Score

Get the complete analysis for SDIIF

Tax Rate % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$1.05
Price
$1.30
GF Value