Aaron McGreevy
Managing Director @Mcgreevy Engineering
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WORK HISTORY
Managing Director @Mcgreevy Engineering
I lead all strategic, operational, and technical aspects of McGreevy Engineering, an AS9100-certified aerospace machining partner specialising in 5-axis CNC machining, precision manufacturing, and complex component production for aerospace and defence customers.Key Responsibilities• Driving company strategy, growth, and customer partnerships• Overseeing aerospace quality systems • Managing operational performance, capacity planning, and production workflow• Leading investment in machinery, technology, and staff development• Ensuring full traceability and compliance for aerospace standards• Implementing Lean manufacturing principles across machining and finishing• Representing the business in aerospace supply-chain programmes and auditsSelected Achievements• Successfully achieved and maintained AS9100 Rev D certification, strengthening McGreevy Engineering’s aerospace capability and compliance.• Expanded precision machining capability with 5-axis CNC technology, enabling tighter tolerances and shorter lead times on complex geometries.• Delivered consistent 99%+ on-time delivery and high first-off pass rates for key aerospace programmes.• Developed long-term supply relationships with industry leaders • Implemented Lean, 5S, and visual management systems, improving efficiency, machine uptime, and workplace organisation.• Directed the company’s ISO 14001 Environmental Management System development, elevating sustainability performance.• Strengthened cybersecurity across operations through Cyber Essentials certification.• Increased production capacity, staff capability, and machining throughput to support multi-year aerospace volume programmes.What We Deliver• 5-axis precision CNC machining• Aerospace-grade quality control & full traceability• Tight-tolerance machining in aluminium, titanium, stainless, and Inconel• Small-to-medium batch production for Tier-1 & Tier-2 aerospace suppliers• Transparent lead times and dependable delivery
SKILLS
ABOUT AARON MCGREEVY
As Managing Director of McGreevy Engineering, I lead an AS9100-approved precision CNC machining company supplying high-tolerance components to aerospace, defence, and advanced engineering customers across the UK & Ireland.Our journey began more than four decades ago with a focus on craftsmanship, reliability, and engineering excellence. Today, we combine that heritage with 5-axis CNC capability, aerospace-grade inspection systems, digital production controls, and a culture of continuous improvement to deliver parts that meet the most demanding specifications.I work closely with OEMs, Tier-1s and Tier-2s — including Thompson Aero Seating, Thales Belfast, Navantia and other leading aerospace partners — supporting them with reliable, high-precision machining, full traceability, and consistently strong delivery performance.My priorities are simple:• Precision and repeatability across every job• World-class quality management through AS9100 Rev D• Operational discipline using Lean, 5S and visual controls• Environmental responsibility through ISO 14001 implementation• Cyber-secure, digital-first operations (Cyber Essentials compliant)• A customer-first approach with transparent communication and dependable lead timesWhether machining aluminium, titanium, stainless steels, or advanced alloys such as Inconel, we take pride in producing components that meet aerospace tolerances, surface finishes, and documentation standards.If you’re seeking a trusted, responsive, high-precision machining partner, or want to explore collaboration in aerospace, defence or advanced manufacturing, feel free to connect or reach out directly.
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