We are Horizon Technology Consulting Ltd
At Horizon, we believe that every challenge is an opportunity to innovate. Founded by experienced consultants Donal Morrissey, Gergely Melis, and Felipe de Carvalho, our consultancy combines hands-on technical expertise with strategic leadership to deliver solutions that exceed expectations. From embedded systems to control design, we offer a full spectrum of engineering services tailored to your needs.
Our vision is to empower businesses by transforming ideas into tangible, impactful technology solutions.

Donal Morrissey
Donal is a hands-on embedded software engineer and technology consultant with over 21 years of experience in delivering innovative solutions across industries, including medical devices, IoT, telecommunications, and automotive. Known for his meticulous approach to quality and process improvement, Donal has led numerous end-to-end product development projects in regulated environments, ensuring compliance with ISO 13485 and IEC 62304 standards.
When not engineering and helping in business management, Donal enjoys spending time with his family, keeping fit and restoring classic motorcycles.
Felipe de Carvalho
With over two decades of experience in electronics, embedded systems, and PCB design, Felipe brings extensive technical expertise and practical insight to each project. His professional background encompasses complex hardware and firmware development, with a focus on high-speed digital and low-noise analog circuit design. Felipe has successfully led the end-to-end design and development of electronic systems—from initial concept through to full-scale production—ensuring optimal performance, manufacturability, and adherence to industry standards.
Gergely Melis
Gergely brings over 23 years of engineering and technical leadership experience to the consultancy, with a specialisation in regulated industries, including medical devices, automotive, and biotechnology. A multidisciplinary innovator, Gergely has designed complex systems that integrate software, electronics, and mechanical engineering, delivering transformative solutions from concept to mass production. Experienced in designing and building lithium battery test systems for medical applications, and integrating servo-, stepper- & DC motor control solutions.
Outside of work, Gergely enjoys running, playing percussion instruments, and salsa dancing.