Your partner in lateral flow test development
GADx is a contract research organisation, offering a comprehensive range of lateral flow immunoassay development services to researchers, developers and manufacturers of rapid point-of-care assays.
About us
Global Access Diagnostics (GADx) is a leading end-to-end developer of rapid immuno-diagnostics for human, veterinary and agricultural applications. Founded in 2003 by one of the creators of the Clearblue pregnancy test, our heritage has been built on pioneering innovative approaches to immunoassay development for infectious diseases and immune inflammatory conditions.
As a trusted contract research organisation specialising in assay design and development, antibody engineering, validation and clinical studies, we are proud of our track record in succeeding with the most demanding of challenges. Our expert knowledge, technology and lateral flow platforms enable us to tailor and transform complex customer requirements into leading-edge diagnostic solutions. GADx collaborates with a global network of leaders across diverse capabilities and skillsets to deliver high performance, robust innovations for our clients.
Working alongside industry partners, academia, and not-for profit organisations, our vision is to reinvest profits into impact -led development programs that deliver rapid diagnostic tests that prioritise pressing unmet health needs.
Success for GADx in supporting partnerships in low- and middle-income countries has led to the development of local manufacturing partnerships able to deliver high-quality and affordable diagnostics to underserved populations.
Our Diagnostic Development Process
We support every stage of diagnostic development, from initial research to launch. Engaging us early, in Phase 0 and Phase I, ensures a strong foundation—helping to refine concepts, assess feasibility, and accelerate progress through later stages.
How we help
We support every stage of diagnostic development, from early feasibility to full-scale manufacturing. Our team works closely with partners to deliver high-performance solutions, including assay development, reagent optimization, device prototyping, and validation—ensuring efficient and reliable pathways to market.
End-to-end diagnostic development
Assay & reagent development
Reagent analysis & verification
Device development & prototyping
Clinical evaluation & validation testing
Who we work with and support
Get In Touch
How can GADx help you get tests to people to take charge of their health?
For sales inquiries please contact sales@globalaccessdx.com
For technical support please contact technicalsupport@globalaccessdx.com
UK: +44 (0) 1234 780020
USA: +1 (888) 381-6870
Latest News
Advancing Regional Diagnostics: GADx at DIATROPIX Launch
Driving Diagnostic Innovation in Uganda – HOLICARE
