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About the company
SDI Group plc is a group of small to medium sized companies with specialist industrial and scientific products in growth sector niches that help solve customers’ challenges. The Company specializes in the acquisition and development of companies that design and manufacture specialist products for use in lab equipment, industrial and scientific sensors, and industrial and scientific products. Its portfolio of businesses supplies the life sciences, healthcare, plastics and packaging, manufacturing, precision optics and measurement instrumentation markets. Its lab equipment business includes Safelab Systems, Monmouth Scientific, LTE Scientific, Synoptics, and Severn. Its industrial and scientific sensors business consists of Chell Instruments, Astles Control Systems, Sentek, MPB Industries, and Peak Sensors. Its industrial and scientific products business includes Atik Cameras, Fraser Anti-Static Techniques, Applied Thermal Control, Graticules Optics, and InspecVision, among others.
- Revenue in GBP (TTM)69.29m
- Net income in GBP4.59m
- Incorporated2007
- Employees504.00
- LocationSDI Group PLCBeacon House, Nuffield RoadCAMBRIDGE CB4 1TFUnited KingdomGBR
- Phone+44 12 2372 7144Fax+44 12 2372 7101
- Websitehttps://sdigroup.com/
Mergers & acquisitions
| Acquired company | SDI:LSE since announced | Transaction value |
|---|---|---|
| Collins Walker Ltd | 67.35% | 2.42m |
Peer analysis
| Company | Revenue (TTM) | Net income (TTM) |
|---|---|---|
| Aptamer Group PLC | 1.20m | -2.42m |
| Renalytix PLC | 2.20m | -14.99m |
| Aoti Inc | 46.93m | 1.73m |
| Ondine Biomedical Inc | 1.18m | -12.84m |
| Inspecs Group PLC | 192.83m | -3.31m |
| Creo Medical Group PLC | 2.20m | 12.60m |
| SDI Group PLC | 69.29m | 4.59m |
| EKF Diagnostics Holdings PLC | 50.22m | 6.12m |
| Tristel Plc | 46.46m | 6.64m |
Institutional shareholders
| Holder | Shares | % Held |
|---|---|---|
| BGF Investment Management Ltd.as of 30 Jul 2025 | 14.38m | 13.75% |
| Danske Bank A/S (Investment Management)as of 18 Sep 2025 | 6.25m | 5.98% |
| Shareholder Value Management AGas of 30 Jul 2025 | 5.28m | 5.05% |
| Universal-Investment-Gesellschaft mbH (Invt Mgmt)as of 30 Jul 2025 | 5.22m | 4.99% |
| JPMorgan Asset Management (UK) Ltd.as of 27 Aug 2024 | 5.19m | 4.96% |
| Herald Investment Management Ltd.as of 30 Jul 2025 | 4.98m | 4.77% |
| Joh. Berenberg, Gossler & Co. KG (Investment Management)as of 30 Dec 2024 | 4.89m | 4.67% |
| Octopus Investments Ltd.as of 30 Jul 2025 | 3.72m | 3.56% |
| Hargreaves Lansdown Asset Management Ltd.as of 27 Aug 2024 | 3.63m | 3.47% |
| Killik & Co. LLPas of 27 Aug 2024 | 3.46m | 3.31% |
