Butterworth Laboratories, a UK-based contract laboratory, specialises in quality control analysis for the global pharmaceutical industry.  We provide testing services for excipients, APIs, drug products, packaging, and medical devices, adhering to international standards.  Founded in 1974 by Doris Butterworth, the company initially offered Elemental Microanalysis (CHN) services and now focuses on pharmaceutical sectors.  Regularly inspected by the MHRA for GMP, GLP & GCP and accredited by UKAS for ISO17025, we maintain the highest quality standards.  Committed to strong client partnerships, we offer technical expertise, integrity, and seamless integration into supply chains.  Our mission is excellence in contract analytical chemistry.