Video: Why our company is called Xi Engineering Consultants Xi Engineering 17th May, 2019 We often get asked about our company name. Here our Technical Director, Dr Brett Marmo, explains why we are called Xi. frameborder=”0″ allow=”accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture” allowfullscreen> Share Article Stay up to-date with Xi Engineering Subscribe to our newsletter to receive news & updates Email Address Subscribe You can click here to read our privacy policy. You can unsubscribe at any time.