Spanner is a premier Silicon Valley product design and development firm specializing in creating amazing user experience. Whether you’re a big company or just getting started, success begins here. With DNA from Apple and Stanford’s Product Design program, we are product designers first, taking a holistic, user-centric approach to our clients’ work. Spanner provides mechanical engineering services from concept generation through prototypes to production start, aligning our rigorous product development process with your business objectives to create delightful products and business successes, together.