Which has preferable earnings & valuation, SDI or JDG?

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. Company Gross Revenue Price/Sales Ratio Net Income Earnings Per Share Price/Earnings Ratio SDI Group £69.29M 1.34 £4.17M £4.33 20.50 Judges Scientific £145.80M 2.15 £14.75M £81.40 57.86

Do analysts prefer SDI or SRT?

SDI Group currently has a consensus target price of GBX 145, suggesting a potential upside of 63.38%. 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 SDI Group 0 Sell rating(s) 0 Hold rating(s) 1 Buy rating(s) 0 Strong Buy rating(s) 3.00 SRT Marine Systems 0 Sell rating(s) 0 Hold rating(s) 0 Buy rating(s) 0 Strong Buy rating(s) 0.00

Does the media favor QTX or SDI?

In the previous week, Quartix Technologies and Quartix Technologies both had 1 articles in the media. Quartix Technologies' average media sentiment score of 0.00 equaled SDI Group'saverage media sentiment score. Company Very Positive Positive Neutral Negative Very Negative Overall Sentiment Quartix Technologies 0 Very Positive mention(s) 0 Positive mention(s) 1 Neutral mention(s) 0 Negative mention(s) 0 Very Negative mention(s) Neutral SDI Group 0 Very Positive mention(s) 0 Positive mention(s) 1 Neutral mention(s) 0 Negative mention(s) 0 Very Negative mention(s) Neutral

Do analysts recommend SDI or KMK?

SDI Group currently has a consensus target price of GBX 145, indicating a potential upside of 63.38%. Given SDI Group's stronger consensus rating and higher possible upside, analysts plainly believe SDI Group is more favorable than Kromek 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 Kromek Group 0 Sell rating(s) 0 Hold rating(s) 0 Buy rating(s) 0 Strong Buy rating(s) 0.00

Which has better valuation & earnings, SDI or KMK?

SDI Group has higher revenue and earnings than Kromek Group. Kromek 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. Company Gross Revenue Price/Sales Ratio Net Income Earnings Per Share Price/Earnings Ratio SDI Group £69.29M 1.34 £4.17M £4.33 20.50 Kromek Group £37.84M 1.56 -£3.54M £2.00 4.50

Is SDI or KMK more profitable?

Kromek Group has a net margin of 33.04% compared to SDI Group's net margin of 6.62%. Kromek Group's return on equity of 22.93% beat SDI Group's return on equity. Company Net Margins Return on Equity Return on Assets SDI Group 6.62% 9.07% 5.49% Kromek Group 33.04% 22.93% -3.20%

Do analysts prefer RMS or SDI?

SDI Group has a consensus price target of GBX 145, indicating a potential upside of 63.38%. Given SDI Group's stronger consensus rating and higher probable upside, analysts plainly believe SDI Group is more favorable than Remote Monitored Systems. Company Sell Ratings Hold Ratings Buy Ratings Strong Buy Ratings Rating Score Remote Monitored 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

SDI Group (SDI) Competitors

GBX 88.75 +0.60 (+0.68%)

As of 07/13/2026 12:20 PM Eastern

Compare

SDI vs. JDG, SRT, QTX, KMK, and RMS

Should you buy SDI Group stock or one of its competitors? MarketBeat compares SDI Group with other companies and stocks that may be similar based on industry, sector, market capitalization, business model, investor interest, or shared news coverage. Companies and stocks commonly compared with SDI Group include Judges Scientific (JDG), SRT Marine Systems (SRT), Quartix Technologies (QTX), Kromek Group (KMK), and Remote Monitored Systems (RMS). These companies are all part of the "scientific & technical instruments" industry.

How does SDI Group compare to Judges Scientific?

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

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

Company	Overall Sentiment
SDI Group	Neutral
Judges Scientific	Neutral

SDI Group has a beta of 1.103, indicating that its share price is 10% more volatile than the broader market. Comparatively, Judges Scientific has a beta of 0.72, indicating that its share price is 28% less volatile than the broader market.

18.8% of SDI Group shares are owned by institutional investors. Comparatively, 24.7% of Judges Scientific shares are owned by institutional investors. 3.6% of SDI Group shares are owned by company insiders. Comparatively, 9.9% of Judges Scientific shares are owned by company insiders. Strong institutional ownership is an indication that endowments, large money managers and hedge funds believe a stock will outperform the market over the long term.

SDI Group presently has a consensus price target of GBX 145, indicating a potential upside of 63.38%. Judges Scientific has a consensus price target of GBX 6,490, indicating a potential upside of 37.79%. Given SDI Group's higher probable upside, equities research analysts plainly believe SDI Group is more favorable than Judges Scientific.

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
Judges Scientific	0 Sell rating(s)	0 Hold rating(s)	2 Buy rating(s)	0 Strong Buy rating(s)	3.00

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.

Company	Gross Revenue	Price/Sales Ratio	Net Income	Earnings Per Share	Price/Earnings Ratio
SDI Group	£69.29M	1.34	£4.17M	£4.33	20.50
Judges Scientific	£145.80M	2.15	£14.75M	£81.40	57.86

SDI Group has a net margin of 6.62% compared to Judges Scientific's net margin of 3.77%. SDI Group's return on equity of 9.07% beat Judges Scientific's return on equity.

Company	Net Margins	Return on Equity	Return on Assets
SDI Group	6.62%	9.07%	5.49%
Judges Scientific	3.77%	6.24%	7.35%

Summary

Judges Scientific beats SDI Group on 9 of the 14 factors compared between the two stocks.

How does SDI Group compare to SRT Marine Systems?

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

SDI Group currently has a consensus target price of GBX 145, suggesting a potential upside of 63.38%. 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
SDI Group	0 Sell rating(s)	0 Hold rating(s)	1 Buy rating(s)	0 Strong Buy rating(s)	3.00
SRT Marine Systems	0 Sell rating(s)	0 Hold rating(s)	0 Buy rating(s)	0 Strong Buy rating(s)	0.00

SDI Group has a beta of 1.103, indicating that its stock price is 10% more volatile than the broader market. Comparatively, SRT Marine Systems has a beta of 0.461, indicating that its stock price is 54% less volatile than the broader market.

18.8% of SDI Group shares are owned by institutional investors. Comparatively, 0.2% of SRT Marine Systems shares are owned by institutional investors. 3.6% of SDI Group shares are owned by insiders. Comparatively, 17.5% of SRT Marine Systems shares are owned by insiders. Strong institutional ownership is an indication that endowments, hedge funds and large money managers believe a company is poised for long-term growth.

SDI Group has higher earnings, but lower revenue 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.

Company	Gross Revenue	Price/Sales Ratio	Net Income	Earnings Per Share	Price/Earnings Ratio
SDI Group	£69.29M	1.34	£4.17M	£4.33	20.50
SRT Marine Systems	£102.94M	2.12	£96.40K	£1.00	79.84

SDI Group has a net margin of 6.62% 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
SDI Group	6.62%	9.07%	5.49%
SRT Marine Systems	2.60%	10.42%	-13.20%

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

Company	Overall Sentiment
SDI Group	Neutral
SRT Marine Systems	Neutral

Summary

SDI Group beats SRT Marine Systems on 10 of the 15 factors compared between the two stocks.

How does SDI Group compare to Quartix Technologies?

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

Quartix Technologies currently has a consensus price target of GBX 330, indicating a potential upside of 50.86%. SDI Group has a consensus price target of GBX 145, indicating a potential upside of 63.38%. Given SDI Group's higher possible upside, analysts plainly believe SDI Group is more favorable than Quartix Technologies.

Company	Sell Ratings	Hold Ratings	Buy Ratings	Strong Buy Ratings	Rating Score
Quartix Technologies	0 Sell rating(s)	0 Hold rating(s)	1 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

Quartix Technologies has a beta of 0.889, meaning that its stock price is 11% less volatile than the broader market. Comparatively, SDI Group has a beta of 1.103, meaning that its stock price is 10% more volatile than the broader market.

Quartix Technologies has a net margin of 17.87% compared to SDI Group's net margin of 6.62%. Quartix Technologies' return on equity of 23.66% beat SDI Group's return on equity.

Company	Net Margins	Return on Equity	Return on Assets
Quartix Technologies	17.87%	23.66%	3.43%
SDI Group	6.62%	9.07%	5.49%

In the previous week, Quartix Technologies and Quartix Technologies both had 1 articles in the media. Quartix Technologies' average media sentiment score of 0.00 equaled SDI Group'saverage media sentiment score.

Company	Very Positive	Positive	Neutral	Negative	Very Negative	Overall Sentiment
Quartix Technologies	0 Very Positive mention(s)	0 Positive mention(s)	1 Neutral mention(s)	0 Negative mention(s)	0 Very Negative mention(s)	Neutral
SDI Group	0 Very Positive mention(s)	0 Positive mention(s)	1 Neutral mention(s)	0 Negative mention(s)	0 Very Negative mention(s)	Neutral

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

Company	Gross Revenue	Price/Sales Ratio	Net Income	Earnings Per Share	Price/Earnings Ratio
Quartix Technologies	£35.71M	2.97	-£769.16K	£13.17	16.61
SDI Group	£69.29M	1.34	£4.17M	£4.33	20.50

20.0% of Quartix Technologies shares are held by institutional investors. Comparatively, 18.8% of SDI Group shares are held by institutional investors. 28.5% of Quartix Technologies shares are held by insiders. Comparatively, 3.6% of SDI Group shares are held by insiders. Strong institutional ownership is an indication that endowments, hedge funds and large money managers believe a company is poised for long-term growth.

Summary

Quartix Technologies and SDI Group tied by winning 6 of the 12 factors compared between the two stocks.

How does SDI Group compare to Kromek Group?

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

SDI Group has a beta of 1.103, suggesting that its share price is 10% more volatile than the broader market. Comparatively, Kromek Group has a beta of 1.339, suggesting that its share price is 34% more volatile than the broader market.

Kromek Group has a net margin of 33.04% compared to SDI Group's net margin of 6.62%. Kromek Group's return on equity of 22.93% beat SDI Group's return on equity.

Company	Net Margins	Return on Equity	Return on Assets
SDI Group	6.62%	9.07%	5.49%
Kromek Group	33.04%	22.93%	-3.20%

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

Company	Overall Sentiment
SDI Group	Neutral
Kromek Group	Neutral

18.8% of SDI Group shares are owned by institutional investors. Comparatively, 3.7% of Kromek Group shares are owned by institutional investors. 3.6% of SDI Group shares are owned by insiders. Comparatively, 8.3% of Kromek Group shares are owned by insiders. Strong institutional ownership is an indication that large money managers, hedge funds and endowments believe a stock is poised for long-term growth.

SDI Group has higher revenue and earnings than Kromek Group. Kromek 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.

Company	Gross Revenue	Price/Sales Ratio	Net Income	Earnings Per Share	Price/Earnings Ratio
SDI Group	£69.29M	1.34	£4.17M	£4.33	20.50
Kromek Group	£37.84M	1.56	-£3.54M	£2.00	4.50

SDI Group currently has a consensus target price of GBX 145, indicating a potential upside of 63.38%. Given SDI Group's stronger consensus rating and higher possible upside, analysts plainly believe SDI Group is more favorable than Kromek 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
Kromek Group	0 Sell rating(s)	0 Hold rating(s)	0 Buy rating(s)	0 Strong Buy rating(s)	0.00

Summary

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

How does SDI Group compare to Remote Monitored Systems?

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

SDI Group has a consensus price target of GBX 145, indicating a potential upside of 63.38%. Given SDI Group's stronger consensus rating and higher probable upside, analysts plainly believe SDI Group is more favorable than Remote Monitored Systems.

Company	Sell Ratings	Hold Ratings	Buy Ratings	Strong Buy Ratings	Rating Score
Remote Monitored 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

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

Company	Gross Revenue	Price/Sales Ratio	Net Income	Earnings Per Share	Price/Earnings Ratio
Remote Monitored Systems	£104.31K	0.00	N/A	-£0.20	N/A
SDI Group	£69.29M	1.34	£4.17M	£4.33	20.50

In the previous week, SDI Group had 1 more articles in the media than Remote Monitored Systems. MarketBeat recorded 1 mentions for SDI Group and 0 mentions for Remote Monitored Systems. Remote Monitored Systems' average media sentiment score of 0.80 beat SDI Group's score of 0.00 indicating that Remote Monitored Systems is being referred to more favorably in the media.

Company	Overall Sentiment
Remote Monitored Systems	Positive
SDI Group	Neutral

SDI Group has a net margin of 6.62% compared to Remote Monitored Systems' net margin of 0.00%. SDI Group's return on equity of 9.07% beat Remote Monitored Systems' return on equity.

Company	Net Margins	Return on Equity	Return on Assets
Remote Monitored Systems	N/A	N/A	N/A
SDI Group	6.62%	9.07%	5.49%

18.8% of SDI Group shares are held by institutional investors. 3.6% of SDI Group shares are held by company insiders. Strong institutional ownership is an indication that hedge funds, endowments and large money managers believe a stock is poised for long-term growth.

Summary

SDI Group beats Remote Monitored Systems on 12 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.

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.

SDI vs. The Competition

Export

Metric	SDI Group	Scientific & Technical Instruments Industry	Computer Sector	LON Exchange
Market Cap	£92.81M	£2.25B	£39.25B	£2.85B
Dividend Yield	4.13%	2.82%	3.19%	6.17%
P/E Ratio	20.50	78.40	170.02	368.18
Price / Sales	1.34	148.87	597.79	84,612.72
Price / Cash	43.78	20.29	45.82	27.87
Price / Book	2.04	3.85	9.49	7.49
Net Income	£4.17M	£82.40M	£1.07B	£5.89B
7 Day Performance	-2.69%	-0.47%	-0.52%	-0.19%
1 Month Performance	7.12%	1.84%	-1.40%	-1.00%
1 Year Performance	-6.38%	17.58%	140.09%	61.67%

SDI Group Competitors List

Export

Company	MarketRank	Share Price	Analysts' Price Target	1Y Price Performance	Market Cap	Revenue	P/E Ratio	Employee Count	Indicator(s)
SDI SDI Group	2.385 of 5 stars	GBX 88.75 +0.7%	GBX 145 +63.4%	-6.6%	£92.81M	£69.29M	20.50	500
JDG Judges Scientific	N/A	GBX 4,673 -2.4%	GBX 6,490 +38.9%	-43.3%	£311.22M	£145.80M	57.41	682	Gap Down
SRT SRT Marine Systems	N/A	GBX 80.20 -1.0%	N/A	-5.0%	£218.92M	£102.94M	80.20	90
QTX Quartix Technologies	2.651 of 5 stars	GBX 223 -0.9%	GBX 330 +48.0%	-4.1%	£108.06M	£35.71M	16.93	187
KMK Kromek Group	N/A	GBX 8.71 -2.1%	N/A	+62.2%	£57.06M	£37.84M	4.36	166

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This page (LON:SDI) was last updated on 7/14/2026 by MarketBeat.com Staff.

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SDI Group (SDI) Competitors

SDI vs. JDG, SRT, QTX, KMK, and RMS

How does SDI Group compare to Judges Scientific?

Summary

How does SDI Group compare to SRT Marine Systems?

Summary

How does SDI Group compare to Quartix Technologies?

Summary

How does SDI Group compare to Kromek Group?

Summary

How does SDI Group compare to Remote Monitored Systems?

Summary

New MarketBeat Followers Over Time

Media Sentiment Over Time

SDI vs. The Competition

SDI Group Competitors List

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Stock Ideas and Recommendations

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SDI Group (SDI) Competitors

SDI vs. JDG, SRT, QTX, KMK, and RMS

How does SDI Group compare to Judges Scientific?

Does the media refer more to SDI or JDG?

Which has more volatility & risk, SDI or JDG?

Do institutionals & insiders believe in SDI or JDG?

Do analysts prefer SDI or JDG?

Which has preferable earnings & valuation, SDI or JDG?

Is SDI or JDG more profitable?

Summary

How does SDI Group compare to SRT Marine Systems?

Do analysts prefer SDI or SRT?

Which has more risk & volatility, SDI or SRT?

Do institutionals and insiders have more ownership in SDI or SRT?

Which has stronger earnings & valuation, SDI or SRT?

Is SDI or SRT more profitable?

Does the media refer more to SDI or SRT?

Summary

How does SDI Group compare to Quartix Technologies?

Do analysts prefer QTX or SDI?

Which has more volatility & risk, QTX or SDI?

Is QTX or SDI more profitable?

Does the media favor QTX or SDI?

Which has preferable valuation & earnings, QTX or SDI?

Do insiders and institutionals hold more shares of QTX or SDI?

Summary

How does SDI Group compare to Kromek Group?

Which has more risk & volatility, SDI or KMK?

Is SDI or KMK more profitable?

Does the media favor SDI or KMK?

Do insiders & institutionals believe in SDI or KMK?

Which has better valuation & earnings, SDI or KMK?

Do analysts recommend SDI or KMK?

Summary

How does SDI Group compare to Remote Monitored Systems?

Do analysts prefer RMS or SDI?

Which has better earnings & valuation, RMS or SDI?

Does the media refer more to RMS or SDI?

Is RMS or SDI more profitable?

Do institutionals and insiders hold more shares of RMS or SDI?

Summary

New MarketBeat Followers Over Time

Media Sentiment Over Time

SDI vs. The Competition

SDI Group Competitors List

Related Companies and Tools

MarketBeat All Access Features

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools