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SDI Group (SDI) Competitors

SDI Group logo
GBX 89.90 +2.50 (+2.86%)
As of 08/21/2026 11:13 AM Eastern
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SDI vs. GHH, JDG, TTG, SRT, and MIDW

Should you buy SDI Group stock or one of its competitors? SDI Group's main competitors and comparable companies include Gooch & Housego (GHH), Judges Scientific (JDG), TT Electronics (TTG), SRT Marine Systems (SRT), and Midwich Group (MIDW). Companies are selected based on similarities in market, industry, and size. These companies are all part of the "electronic equipment, instruments & components" industry.

How does SDI Group compare to Gooch & Housego?

SDI Group (LON:SDI) and Gooch & Housego (LON:GHH) are both small-cap technology companies, but which is the better stock? We will compare the two businesses based on the strength of their media sentiment, valuation, profitability, dividends, analyst recommendations, risk, earnings and institutional ownership.

SDI Group has a beta of 1.11, suggesting that its share price is 11% more volatile than the broader market. Comparatively, Gooch & Housego has a beta of 0.921, suggesting that its share price is 8% less volatile than the broader market.

17.6% of SDI Group shares are held by institutional investors. Comparatively, 22.1% of Gooch & Housego shares are held by institutional investors. 3.6% of SDI Group shares are held by insiders. Comparatively, 1.3% of Gooch & Housego shares are held by insiders. Strong institutional ownership is an indication that endowments, hedge funds and large money managers believe a company will outperform the market over the long term.

In the previous week, SDI Group's average media sentiment score of 0.00 equaled Gooch & Housego'saverage media sentiment score.

Company Overall Sentiment
SDI Group Neutral
Gooch & Housego Neutral

SDI Group has a net margin of 6.59% compared to Gooch & Housego's net margin of 2.44%. SDI Group's return on equity of 9.24% beat Gooch & Housego's return on equity.

Company Net Margins Return on Equity Return on Assets
SDI Group6.59% 9.24% 5.49%
Gooch & Housego 2.44%3.33%1.88%

SDI Group has higher earnings, but lower revenue than Gooch & Housego. SDI Group is trading at a lower price-to-earnings ratio than Gooch & Housego, indicating that it is currently the more affordable of the two stocks.

CompanyGross RevenuePrice/Sales RatioNet IncomeEarnings Per SharePrice/Earnings Ratio
SDI Group£74.49M1.26£4.17M£4.5919.59
Gooch & Housego£161.48M2.04£1.07M£14.3084.27

SDI Group currently has a consensus price target of GBX 145, suggesting a potential upside of 61.29%. Gooch & Housego has a consensus price target of GBX 1,150, suggesting a potential downside of 4.56%. Given SDI Group's higher probable upside, analysts clearly believe SDI Group is more favorable than Gooch & Housego.

Company Sell Ratings Hold Ratings Buy Ratings Strong Buy Ratings Rating Score
SDI Group
0 Sell rating(s)
0 Hold rating(s)
1 Buy rating(s)
0 Strong Buy rating(s)
3.00
Gooch & Housego
0 Sell rating(s)
0 Hold rating(s)
1 Buy rating(s)
0 Strong Buy rating(s)
3.00

Summary

SDI Group beats Gooch & Housego on 7 of the 12 factors compared between the two stocks.

How does SDI Group compare to Judges Scientific?

Judges Scientific (LON:JDG) and SDI Group (LON:SDI) are both small-cap technology companies, but which is the better business? We will compare the two businesses based on the strength of their institutional ownership, profitability, valuation, analyst recommendations, media sentiment, earnings, risk and dividends.

SDI Group has a net margin of 6.59% compared to Judges Scientific's net margin of 3.77%. SDI Group's return on equity of 9.24% beat Judges Scientific's return on equity.

Company Net Margins Return on Equity Return on Assets
Judges Scientific3.77% 6.24% 7.35%
SDI Group 6.59%9.24%5.49%

Judges Scientific has higher revenue and earnings than SDI Group. SDI Group is trading at a lower price-to-earnings ratio than Judges Scientific, indicating that it is currently the more affordable of the two stocks.

CompanyGross RevenuePrice/Sales RatioNet IncomeEarnings Per SharePrice/Earnings Ratio
Judges Scientific£145.80M1.80£14.75M£81.4048.50
SDI Group£74.49M1.26£4.17M£4.5919.59

Judges Scientific has a beta of 0.706, indicating that its stock price is 29% less volatile than the broader market. Comparatively, SDI Group has a beta of 1.11, indicating that its stock price is 11% more volatile than the broader market.

In the previous week, Judges Scientific had 1 more articles in the media than SDI Group. MarketBeat recorded 1 mentions for Judges Scientific and 0 mentions for SDI Group. Judges Scientific's average media sentiment score of 0.34 beat SDI Group's score of 0.00 indicating that Judges Scientific is being referred to more favorably in the media.

Company Overall Sentiment
Judges Scientific Neutral
SDI Group Neutral

Judges Scientific presently has a consensus target price of GBX 6,490, suggesting a potential upside of 64.39%. SDI Group has a consensus target price of GBX 145, suggesting a potential upside of 61.29%. Given Judges Scientific's higher possible upside, equities research analysts clearly believe Judges Scientific is more favorable than SDI Group.

Company Sell Ratings Hold Ratings Buy Ratings Strong Buy Ratings Rating Score
Judges Scientific
0 Sell rating(s)
0 Hold rating(s)
2 Buy rating(s)
0 Strong Buy rating(s)
3.00
SDI Group
0 Sell rating(s)
0 Hold rating(s)
1 Buy rating(s)
0 Strong Buy rating(s)
3.00

25.0% of Judges Scientific shares are held by institutional investors. Comparatively, 17.6% of SDI Group shares are held by institutional investors. 9.9% of Judges Scientific shares are held by insiders. Comparatively, 3.6% of SDI Group shares are held by insiders. Strong institutional ownership is an indication that endowments, large money managers and hedge funds believe a stock is poised for long-term growth.

Summary

Judges Scientific beats SDI Group on 12 of the 15 factors compared between the two stocks.

How does SDI Group compare to TT Electronics?

SDI Group (LON:SDI) and TT Electronics (LON:TTG) are both small-cap technology companies, but which is the superior business? We will compare the two companies based on the strength of their dividends, valuation, institutional ownership, analyst recommendations, earnings, risk, profitability and media sentiment.

SDI Group currently has a consensus target price of GBX 145, indicating a potential upside of 61.29%. TT Electronics has a consensus target price of GBX 127.50, indicating a potential downside of 5.97%. Given SDI Group's stronger consensus rating and higher possible upside, research analysts plainly believe SDI Group is more favorable than TT Electronics.

Company Sell Ratings Hold Ratings Buy Ratings Strong Buy Ratings Rating Score
SDI Group
0 Sell rating(s)
0 Hold rating(s)
1 Buy rating(s)
0 Strong Buy rating(s)
3.00
TT Electronics
0 Sell rating(s)
2 Hold rating(s)
2 Buy rating(s)
0 Strong Buy rating(s)
2.50

17.6% of SDI Group shares are owned by institutional investors. Comparatively, 60.3% of TT Electronics shares are owned by institutional investors. 3.6% of SDI Group shares are owned by insiders. Comparatively, 8.8% of TT Electronics shares are owned by insiders. Strong institutional ownership is an indication that endowments, large money managers and hedge funds believe a company is poised for long-term growth.

SDI Group has a beta of 1.11, indicating that its share price is 11% more volatile than the broader market. Comparatively, TT Electronics has a beta of 0.835, indicating that its share price is 17% less volatile than the broader market.

SDI Group has a net margin of 6.59% compared to TT Electronics' net margin of -10.51%. SDI Group's return on equity of 9.24% beat TT Electronics' return on equity.

Company Net Margins Return on Equity Return on Assets
SDI Group6.59% 9.24% 5.49%
TT Electronics -10.51%-31.21%0.42%

SDI Group has higher earnings, but lower revenue than TT Electronics. TT Electronics is trading at a lower price-to-earnings ratio than SDI Group, indicating that it is currently the more affordable of the two stocks.

CompanyGross RevenuePrice/Sales RatioNet IncomeEarnings Per SharePrice/Earnings Ratio
SDI Group£74.49M1.26£4.17M£4.5919.59
TT Electronics£481.40M0.50-£12.84M-£28.50N/A

In the previous week, TT Electronics had 1 more articles in the media than SDI Group. MarketBeat recorded 1 mentions for TT Electronics and 0 mentions for SDI Group. SDI Group's average media sentiment score of 0.00 equaled TT Electronics'average media sentiment score.

Company Overall Sentiment
SDI Group Neutral
TT Electronics Neutral

Summary

SDI Group beats TT Electronics on 10 of the 15 factors compared between the two stocks.

How does SDI Group compare to SRT Marine Systems?

SRT Marine Systems (LON:SRT) and SDI Group (LON:SDI) are both small-cap technology companies, but which is the superior stock? We will compare the two businesses based on the strength of their profitability, institutional ownership, earnings, risk, dividends, valuation, analyst recommendations and media sentiment.

0.2% of SRT Marine Systems shares are held by institutional investors. Comparatively, 17.6% of SDI Group shares are held by institutional investors. 17.6% of SRT Marine Systems shares are held by insiders. Comparatively, 3.6% of SDI Group shares are held by insiders. Strong institutional ownership is an indication that large money managers, hedge funds and endowments believe a company will outperform the market over the long term.

SDI Group has lower revenue, but higher earnings than SRT Marine Systems. SDI Group is trading at a lower price-to-earnings ratio than SRT Marine Systems, indicating that it is currently the more affordable of the two stocks.

CompanyGross RevenuePrice/Sales RatioNet IncomeEarnings Per SharePrice/Earnings Ratio
SRT Marine Systems£102.94M2.22£96.40K£1.0083.85
SDI Group£74.49M1.26£4.17M£4.5919.59

SDI Group has a net margin of 6.59% compared to SRT Marine Systems' net margin of 2.60%. SRT Marine Systems' return on equity of 10.42% beat SDI Group's return on equity.

Company Net Margins Return on Equity Return on Assets
SRT Marine Systems2.60% 10.42% -13.20%
SDI Group 6.59%9.24%5.49%

In the previous week, SRT Marine Systems had 1 more articles in the media than SDI Group. MarketBeat recorded 1 mentions for SRT Marine Systems and 0 mentions for SDI Group. SRT Marine Systems' average media sentiment score of 0.67 beat SDI Group's score of 0.00 indicating that SRT Marine Systems is being referred to more favorably in the media.

Company Overall Sentiment
SRT Marine Systems Positive
SDI Group Neutral

SDI Group has a consensus price target of GBX 145, suggesting a potential upside of 61.29%. Given SDI Group's stronger consensus rating and higher probable upside, analysts plainly believe SDI Group is more favorable than SRT Marine Systems.

Company Sell Ratings Hold Ratings Buy Ratings Strong Buy Ratings Rating Score
SRT Marine Systems
0 Sell rating(s)
0 Hold rating(s)
0 Buy rating(s)
0 Strong Buy rating(s)
0.00
SDI Group
0 Sell rating(s)
0 Hold rating(s)
1 Buy rating(s)
0 Strong Buy rating(s)
3.00

SRT Marine Systems has a beta of 0.455, indicating that its share price is 55% less volatile than the broader market. Comparatively, SDI Group has a beta of 1.11, indicating that its share price is 11% more volatile than the broader market.

Summary

SDI Group beats SRT Marine Systems on 9 of the 16 factors compared between the two stocks.

How does SDI Group compare to Midwich Group?

SDI Group (LON:SDI) and Midwich Group (LON:MIDW) are both small-cap technology companies, but which is the better investment? We will contrast the two businesses based on the strength of their profitability, valuation, analyst recommendations, media sentiment, dividends, risk, institutional ownership and earnings.

17.6% of SDI Group shares are held by institutional investors. Comparatively, 21.6% of Midwich Group shares are held by institutional investors. 3.6% of SDI Group shares are held by insiders. Comparatively, 20.3% of Midwich Group shares are held by insiders. Strong institutional ownership is an indication that endowments, large money managers and hedge funds believe a company will outperform the market over the long term.

Midwich Group has higher revenue and earnings than SDI Group. Midwich Group is trading at a lower price-to-earnings ratio than SDI Group, indicating that it is currently the more affordable of the two stocks.

CompanyGross RevenuePrice/Sales RatioNet IncomeEarnings Per SharePrice/Earnings Ratio
SDI Group£74.49M1.26£4.17M£4.5919.59
Midwich Group£1.29B0.11£22.18M-£21.92N/A

SDI Group presently has a consensus price target of GBX 145, indicating a potential upside of 61.29%. Midwich Group has a consensus price target of GBX 350, indicating a potential upside of 153.26%. Given Midwich Group's higher probable upside, analysts clearly believe Midwich Group is more favorable than SDI Group.

Company Sell Ratings Hold Ratings Buy Ratings Strong Buy Ratings Rating Score
SDI Group
0 Sell rating(s)
0 Hold rating(s)
1 Buy rating(s)
0 Strong Buy rating(s)
3.00
Midwich Group
0 Sell rating(s)
0 Hold rating(s)
1 Buy rating(s)
0 Strong Buy rating(s)
3.00

SDI Group has a net margin of 6.59% compared to Midwich Group's net margin of -2.17%. SDI Group's return on equity of 9.24% beat Midwich Group's return on equity.

Company Net Margins Return on Equity Return on Assets
SDI Group6.59% 9.24% 5.49%
Midwich Group -2.17%-12.68%3.70%

SDI Group has a beta of 1.11, meaning that its stock price is 11% more volatile than the broader market. Comparatively, Midwich Group has a beta of 0.423, meaning that its stock price is 58% less volatile than the broader market.

In the previous week, Midwich Group had 1 more articles in the media than SDI Group. MarketBeat recorded 1 mentions for Midwich Group and 0 mentions for SDI Group. SDI Group's average media sentiment score of 0.00 equaled Midwich Group'saverage media sentiment score.

Company Overall Sentiment
SDI Group Neutral
Midwich Group Neutral

Summary

SDI Group beats Midwich Group on 7 of the 13 factors compared between the two stocks.

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New MarketBeat Followers Over Time

This chart shows the number of new MarketBeat users adding SDI and its top 5 competitors to their watchlist. Each company is represented with a line over a 90 day period.
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Media Sentiment Over Time

This chart shows the average media sentiment of LON and its competitors over the past 90 days as caculated by MarketBeat. The averaged score is equivalent to the following: Very Negative Sentiment <= -1.5, Negative Sentiment > -1.5 and <= -0.5, Neutral Sentiment > -0.5 and < 0.5, Positive Sentiment >= 0.5 and < 1.5, and Very Positive Sentiment >= 1.5.
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SDI vs. The Competition

Export
MetricSDI GroupElectronic Equipment, Instruments & Components IndustryTechnology SectorLON Exchange
Market Cap£93.07M£8.81B£29.55B£2.54B
Dividend Yield4.13%2.28%2.75%6.17%
P/E Ratio19.5931.2273.35367.57
Price / Sales1.2646.43598.8883,481.74
Price / Cash43.7832.3450.3527.89
Price / Book2.065.439.447.19
Net Income£4.17M£203.80M£679.74M£5.89B
7 Day Performance-0.11%-3.52%-1.29%0.30%
1 Month Performance-5.77%1.06%4.03%3.31%
1 Year Performance-1.43%826.39%189.70%22.13%

SDI Group Competitors List

Export
CompanyMarketRankShare PriceAnalysts' Price Target1Y Price PerformanceMarket CapRevenueP/E RatioEmployee CountIndicator(s)
SDI
SDI Group
N/AGBX 89.90
+2.9%		GBX 145
+61.3%		-1.4%£93.07M£74.49M19.59500
GHH
Gooch & Housego
0.5875 of 5 stars		GBX 1,215
-0.4%		GBX 1,150
-5.3%		+142.0%£332.56M£161.48M84.971,030
JDG
Judges Scientific
4.1413 of 5 stars		GBX 4,030
-1.6%		GBX 6,490
+61.0%		-42.8%£268.44M£145.80M49.51682
TTG
TT Electronics
1.664 of 5 stars		GBX 135.40
-1.2%		GBX 127.50
-5.8%		+36.1%£241.59M£481.40MN/A4,945
SRT
SRT Marine Systems
N/AGBX 83.80
+3.5%		N/A+0.2%£228.78M£102.94M83.8090

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This page (LON:SDI) was last updated on 8/23/2026 by MarketBeat.com Staff.
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