Pico Technology, based in the UK, operates within the electrical and electronic manufacturing sector, specializing in the development of precision measurement instruments. The company employs approximately 51 individuals and reported a revenue of $24 million. A recent document published by Pico Technology discusses advancements in electronic calibration, particularly for USB-enabled vector network analyzers (VNAs). This paper highlights the challenges associated with verifying the performance and accuracy of electronic calibration units, which are increasingly used in automated instrument calibrations. The benchmarking exercise described evaluates a new electronic calibration unit designed for portable VNAs, comparing its effectiveness against traditional mechanical calibration methods. The findings suggest that the electronic calibration unit can achieve similar accuracy levels as established mechanical standards, indicating its potential utility in various radio frequency and microwave measurement applications. Overall, Pico Technology's focus on enhancing measurement accuracy through innovative calibration solutions reflects its commitment to advancing the capabilities of electronic measurement instruments in the manufacturing industry.