SDI Group (SDI) AI Stock Analysis

• Market Cap: £79.89M
• Dividend Yield: N/A
• Average Volume (3M): 331.24K
• Price to Earnings (P/E): 12.0
• Beta (1Y): 0.61
• Revenue Growth: 7.36%
• EPS Growth: 31.93%
• Country: UK
• Employees: 500
• Sector: Technology
• Sector Strength: 88
• Industry: Hardware, Equipment & Parts
• EPS (TTM): 0.03
• Shares Outstanding: 104,573,130
• 10 Day Avg. Volume: 197,495
• 30 Day Avg. Volume: 331,242
• PEG Ratio: 1.74
• Price to Book (P/B): 1.25
• Price to Sales (P/S): 0.86
• P/FCF Ratio: 14.02
• Enterprise Value/Market Cap: N/A
• Enterprise Value/Revenue: N/A
• Enterprise Value/Gross Profit: N/A
• Enterprise Value/Ebitda: N/A
• 1Y Price Target: N/A
• Price Target Upside: N/A
• Rating Consensus: N/A
• Number of Analyst Covering: 0
• EPS Forecast (FY): 0.07
• Revenue Forecast (FY): £74.80M

• Rating: 70 Neutral
• Price Target: 87.00 p ▲(10.41% Upside)
• Action: Reiterated Date: 12/07/25
• Date: Action: Reiterated 12/07/25

SDI Group's strong financial performance and positive earnings call are offset by bearish technical indicators and moderate valuation. The company's strategic acquisitions and revenue growth are significant strengths, but market competition and increased debt pose challenges.

Positive Factors

Revenue & Margin Expansion

SDI reported 10% revenue growth (3% organic, 7% acquisition) with operating margins up to 13.5%. Sustained revenue expansion combined with rising margins indicates improving pricing power and operational leverage, supporting reinvestment, FCF generation and long-term profitability.

Strong Cash Generation

Robust free cash flow and a healthy operating cash flow to net income ratio show efficient cash conversion. Durable FCF supports debt servicing, funding accretive acquisitions and capex without diluting equity, improving financial flexibility over the medium term.

Accretive M&A & Contract Wins

Recent acquisitions (eg. Severn) have been accretive and management targets similarly profitable bolt-ons. A strong pipeline plus sizable government and recurring contracts increase revenue visibility and support scalable integration, strengthening market position across niches.

Negative Factors

Increased Net Debt

Net debt has risen to ~£18m from acquisition activity. Even within stated 1–1.5x leverage targets, higher indebtedness reduces financial flexibility, raises interest and refinancing risk, and could constrain the pace or size of future inorganic growth if cash generation softens.

Segment Competition Pressure

Intense competition in the Laboratory Equipment division can compress pricing and margins despite demand. Sustained competitive pressure risks eroding recent margin gains, requires continued investment to differentiate products, and may limit long-term margin scalability in that segment.

Rising Central Costs

Higher central costs from added headcount to support growth increase fixed overhead and weigh on operating leverage. If these costs become structural, they could offset margin improvements and slow net margin recovery, reducing the long-term efficiency of revenue growth.

SDI Group Business Overview & Revenue Model

Company Description

SDI Group plc, through its subsidiaries, designs and manufactures scientific and technology products based on digital imaging in the United Kingdom, rest of Europe, the United States, Asia, and internationally. It operates in Digital Imaging and Sensors & Control segments. The company offers sensitive cameras for life science and industrial applications under the Atik Camera brand name; cameras for art conservation under the Opus Instruments brand name; and cameras that have applications in astronomy, life sciences, and flat-panel inspection under the Quantum Scientific Imaging brand name. It also designs and manufactures precision re-circulating chillers, coolers, and heat exchangers to control the thermal environment within the scientific instrument support market; and supplies chemical dosing and control systems for manufacturing industries. In addition, it offers off-the-shelf and custom-made electrochemical sensors for water-based applications under the Sentek name; systems and software for automated gel-based DNA and protein fluorescence/chemiluminescence imaging under the G:BOX and NuGenius brands; automated and manual systems for microbiological testing in food, water, pharmaceutical, and clinical applications; and ProReveal, a fluorescence-based patented protein detection test to check for residual protein on surgical instruments. Further, it engages in the design, manufacture, and calibration of pressure, vacuum, and gas flow measurement instruments; and flowmeters, flow alarms, flow indicators, flow-switches, calibration cylinders, and sight glasses for the measurement of liquids and gases; and precision micropattern products, as well as water purification products and vacuum ovens under the Cyclon Water Still and Gallenkamp vacuum ovens brands. The company was formerly known as Scientific Digital Imaging plc and changed its name to SDI Group plc in November 2019. SDI Group plc was incorporated in 2007 and is based in Cambridge, the United Kingdom.

How the Company Makes Money

SDI Group generates revenue primarily through the sale of its packaging products to various industries. The company's revenue model is based on direct sales to manufacturers and retailers, as well as long-term contracts with major clients that ensure a steady stream of income. Key revenue streams include custom packaging solutions tailored to specific client needs, standard product lines, and the sale of raw materials used in packaging production. Additionally, SDI has established significant partnerships with key players in the food and beverage sector, which enhance its market presence and contribute to its earnings. The company's focus on sustainability and innovation also attracts premium pricing for its eco-friendly products, further boosting its revenue potential.

SDI Group Financial Statement Overview

Summary

SDI Group demonstrates solid financial health with strong revenue growth and efficient cash flow management. While profitability margins have slightly declined, the company maintains a stable balance sheet with moderate leverage.

Income Statement

SDI Group has shown consistent revenue growth over the years, with a slight dip in the most recent year. The gross profit margin remains strong at approximately 65%, indicating efficient production and pricing strategies. However, the net profit margin has decreased over the years, suggesting rising costs or increased competition. The EBIT and EBITDA margins are stable, reflecting solid operational efficiency.

Balance Sheet

The company's debt-to-equity ratio is moderate, indicating a balanced approach to leveraging. The return on equity has decreased, which may concern investors seeking high returns. The equity ratio shows a stable financial structure, with equity making up a significant portion of total assets.

Cash Flow

SDI Group's cash flow metrics are strong, with a significant increase in free cash flow growth in the latest year. The operating cash flow to net income ratio is healthy, indicating efficient cash generation relative to earnings. The free cash flow to net income ratio is robust, suggesting good cash conversion from profits.

Breakdown	TTM	Apr 2024	Apr 2022	Apr 2021	Apr 2020	Apr 2018
Income Statement
Total Revenue	69.29M	66.18M	67.58M	49.66M	24.50M	17.43M
Gross Profit	17.20M	42.93M	42.77M	31.66M	15.41M	11.53M
EBITDA	12.18M	11.10M	11.07M	12.95M	5.53M	3.40M
Net Income	4.58M	3.98M	3.87M	7.54M	2.59M	1.91M
Balance Sheet
Total Assets	93.83M	88.23M	84.99M	68.92M	38.43M	26.55M
Cash, Cash Equivalents and Short-Term Investments	1.51M	1.31M	2.71M	5.11M	5.29M	2.49M
Total Debt	26.07M	21.98M	22.74M	11.44M	12.29M	4.10M
Total Liabilities	42.38M	38.56M	43.70M	33.13M	18.37M	9.46M
Stockholders Equity	51.49M	49.64M	41.26M	35.79M	20.06M	17.09M
Cash Flow
Free Cash Flow	7.42M	7.42M	6.33M	11.26M	3.04M	2.21M
Operating Cash Flow	8.76M	9.30M	7.74M	13.10M	4.13M	3.22M
Investing Cash Flow	-8.64M	-9.03M	-22.38M	-12.77M	-6.27M	-7.79M
Financing Cash Flow	355.00K	-205.00K	12.10M	982.00K	4.92M	5.05M

SDI Group Technical Analysis

• Technical Analysis Sentiment: Negative
• Last Price: 78.80
• 50DMA: Negative
• 100DMA: Negative
• 200DMA: Negative
• MACD: Positive
• RSI: Neutral
• STOCH: Neutral

Evaluating momentum and price trends is crucial in stock analysis to make informed investment decisions. For GB:SDI, the sentiment is Negative. The current price of 78.8 is below the 20-day moving average (MA) of 79.35, below the 50-day MA of 79.85, and below the 200-day MA of 83.84, indicating a bearish trend. The MACD of -1.34 indicates Positive momentum. The RSI at 39.40 is Neutral, neither overbought nor oversold. The STOCH value of 37.14 is Neutral, not indicating any strong overbought or oversold conditions. Overall, these indicators collectively point to a Negative sentiment for GB:SDI.

SDI Group Peers Comparison

Name	Overall Rating	Market Cap	P/E Ratio	ROE	Dividend Yield	Revenue Growth	EPS Growth
KMK	73 Outperform	£68.79M	3.57	7.39%	―	36.61%	―
SDI	70 Neutral	£79.89M	12.03	9.34%	―	7.36%	31.93%
SOLI	68 Neutral	£91.34M	8.13	3.91%	1.56%	8.75%	-54.73%
GHH	65 Neutral	£205.28M	41.75	3.10%	2.19%	10.66%	21.19%
Sector *	61 Neutral	$37.18B	12.37	-10.20%	1.83%	8.50%	-7.62%
XAR	56 Neutral	£88.94M	-9.21	-16.64%	―	-7.35%	-222.10%
TTG	54 Neutral	£204.77M	-4.83	-31.42%	―	-16.33%	-448.12%

SDI Group Corporate Events

SDI Chair Trims Stake but Remains Major Shareholder in Specialist Instruments Group

SDI Group plc, a specialist acquirer and developer of lab equipment, industrial and scientific sensors, and related products, operates a portfolio of small to medium-sized businesses serving life sciences, healthcare and other technical markets. The group pursues a strategy of driving organic growth across its portfolio while acquiring complementary technology businesses with established reputations.

The company disclosed that Non-Executive Chair Ken Ford has sold 235,217 ordinary shares at 79 pence each to support family financial planning. Following the disposal, Ford remains a significant shareholder with 970,000 shares, or about 0.93% of SDI’s issued share capital, indicating continued board-level alignment with investors despite the partial sale.

The most recent analyst rating on (GB:SDI) stock is a Hold with a £88.00 price target. To see the full list of analyst forecasts on SDI Group stock, see the GB:SDI Stock Forecast page.

SDI Group buys PRP Optoelectronics in push into avionics and defence LEDs

SDI Group plc has acquired PRP Optoelectronics Ltd for a net consideration of £9.3m, marking its entry into the avionics market and expanding its presence in the aerospace and defence sectors. PRP designs and manufactures custom high-performance microLEDs and LED light engines used in platforms such as Eurofighter Typhoon, F-16 and F-22, and will be integrated into SDI’s Industrial & Scientific Sensors division.

The deal brings a profitable, growing business with 2025 revenues of £5.99m and EBIT of £1.54m, supported by long-term agreements and a blue-chip international customer base. Funded via SDI’s revolving credit facility, the acquisition is intended to complement existing optics and sensor businesses, deepen exposure to resilient aerospace revenue streams, and support SDI’s broader organic and acquisitive growth strategy.

The most recent analyst rating on (GB:SDI) stock is a Hold with a £89.00 price target. To see the full list of analyst forecasts on SDI Group stock, see the GB:SDI Stock Forecast page.