STK at a glance

STK designs and builds purpose-built smartphones and tablets for global eCOA, ePRO and decentralised clinical trials. Engineered in the UK since 1993.

• STK Helix — a next-generation Android 16 smartphone purpose-built for global eCOA and ePRO trials, with on-device AI and a 7-year lifecycle.
• STK X3 — a bespoke clinical smartphone with 200,000+ units deployed across decentralised clinical trials worldwide.
• STK Tablet — a larger-format clinical device for site-based eCOA workflows, launching soon.
• Global Charger — one global charging solution for every STK device: a single SKU with interchangeable regional plugs, certified worldwide.

• STK Cortex™ — on-device inference, biometric identity, multilingual ePRO engagement and passive signal capture; no sensitive data leaves the device.
• STK Nexus™ — secure global data coverage across 200+ countries and 500+ carriers, physical or eSIM, 4G or 5G.

• Designing and manufacturing mobile devices since 1993 (30+ years in mobile).
• 3M+ devices shipped; 200K+ deployed in clinical trials.
• Device availability guarantee for a minimum of 7 years, with software and security updates.
• Certified for use in over 80 countries.
• 5-year device warranty with instant replacement.
• ISO 9001:2015 certified for quality management; refurbishment and disposal business with ISO 14001 accreditation.
• Designed in Britain.

STK is trusted by leading CROs and sponsors running eCOA, ePRO, decentralised and hybrid clinical trials.

Use the contact page or email hello@stklife.com.