![]() SDI Group SDI Group (formerly known as Scientific Digital Imaging) is an acquisitive group that specializes in the design and manufacture of analytical technology products for use in imaging and sensing and control applications. | ![]() Direct Conversion Direct Conversion is a company that designs, develops, and manufactures photon counting, direct conversion, digital X-ray detectors. | Brainreader Brainreader is a company that provides medical devices for the emerging field of brain volumetrics. | |
Founding Date | Founding Date 2007 | Founding Date 1997 | Founding Date 2011 |
Type | Type Public | Type Subsidiary | Type Private |
Tags | |||
Locations | Locations Cambridge, GB HQ Bampton, GB Barrow Upon Soar, GB Braintree, GB Bridgwater, GB East Peckham, GB Greenfield, GB see more | Locations Danderyd, SE HQ Espoo, FI Gräfelfing, DE London, GB | Locations København, DK HQ Aalborg, DK |
Employees | Employees 500 | Employees 57 | Employees 6 |
Financial | |||
Revenue (est.) | Revenue (est.) £66.2m (FY, 2025) | Revenue (est.) kr83.7m (FY, 2021) | Revenue (est.) N/A |
Cost of goods | Cost of goods £19.1m (FY, 2025) | Cost of goods kr18.7m (FY, 2021) | Cost of goods N/A |
Gross profit | Gross profit £47.7m (FY, 2025) | Gross profit kr65m (FY, 2021) | Gross profit N/A |
Net income | Net income £4m (FY, 2025) | Net income (kr9.4m) (FY, 2021) | Net income N/A |

Direct Conversion is a company that designs, develops, and manufactures photon counting, direct conversion, digital X-ray detectors.
View companyBrainreader is a company that provides medical devices for the emerging field of brain volumetrics.
View company