Mix - Fifth Harmony - All In My Head (Flex) ft. Fetty Wap Learn about working at All Flex Flexible Circuits & Heaters. Join LinkedIn today for free. See who you know at All Flex Flexible Circuits & Heaters, leverage your professional network, and get hired. 24 Sep Well, not quite. But a large new survey of UK workers demonstrates both the rapid spread of new ways of working and the huge demand for them. A majority of 63% of permanent full time employees are now working flexibly - defined as working a different pattern than , and/or working virtually some or all. All Flex is a flexible circuit and heater manufacturer that has consistently delivered high quality flex circuits for over 25 years. The company's culture is being responsive to the market and meeting the ever-changing needs of our customers. All Flex is a competitive and fast moving company that invests in change and growth.