6,000
employees
RTX has maintained a presence in the United Kingdom for more than a century, with current operations encompassing three businesses: Collins Aerospace, Pratt & Whitney and Raytheon. The company employs 6,000 individuals across 30 locations throughout England, Northern Ireland, Scotland and Wales. RTX’s activities in the UK support and strengthen the commercial aviation and defence sectors, while its collaborations with more than 3,500 UK-based suppliers contribute to the advancement of critical technologies and the resilience of the national industrial base.
30
locations
3,500+
suppliers
100+
years of operations
Our solutions
Commercial aviation
Collins Aerospace delivers advanced commercial aviation components and technologies, including aerostructures, avionics, aircraft interiors and power systems, to our global customer base, working with leaders across the industry and Europe to improve aircraft efficiency and operations.
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Maintenance, repair and overhaul
RTX maintains a robust UK MRO and aftermarket network, with Collins Aerospace operating facilities in Prestwick, Birmingham and Leighton Buzzard, and Pratt & Whitney Canada providing engine hot‑section inspections, repairs and customer support across Europe, the Middle East and Africa.
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Military engines
Pratt & Whitney strengthens UK defence through F135 sustainment, delivering integrated support that ensures engine readiness while advancing long‑term capability, enhancing fleet availability, and deepening collaboration with the UK Armed Forces and industry partners to maintain mission success.
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Connected Battlespace
Collins Aerospace brings secure communications and navigation, battle management, simulation and training, Collaborative Mission Autonomy and sustainment expertise to support todays and tomorrow’s missions.
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Cyber, space and training
Raytheon delivers secure DevSecOps, AI/ML, cyber and geospatial intelligence, plus integrated training solutions using data analysis and AI‑driven courseware that improves readiness of personnel and equipment for the UK Armed Forces and partners.
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Weapons and sensors
Raytheon develops and integrates UK‑designed weapons and sensors, providing onshore design, manufacturing and support. Raytheon UK delivers precision systems like the Paveway IV precision-guided weapon; invests in the High Energy Laser Weapon System and supports global AMRAAM, the Javelin® weapon system and Tomahawk supply.
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Community engagement
RTX in the UK partners with over 27 charities supporting veterans and local communities. Colleagues volunteer with groups like RAFA, SSAFA and the Royal British Legion, and Raytheon UK holds Armed Forces Covenant Gold Status. RTX is also a leading STEM supporter, celebrating 10 years of its Quadcopter programme and 300+ ambassadors.
Explore our careers
At RTX, we're looking for the brightest, most innovative minds in aerospace and defense to help build a safer, more connected world. Discover how your skills can help us better the world we share and discover the never-before.