Buttimer Engineering are certified to ISO9001:2015, which is widely accepted as the standard in Quality Management Systems. Buttimer Engineering is committed to providing the absolute highest quality standards throughout our operations, overseen by our thorough and devoted Quality Assurance and Inspection teams. This standard of exceptional quality is maintained and managed through the use of certified materials only, regular quality inspections, fully qualified welders and fabricators, recording welding histories and in-depth final inspection and testing.