Online CSCS Green Card and Site Supervision CITB-approved health & safety construction courses. Build your knowledge and gain recognised qualifications without the need to attend a classroom. Learn at your own pace, from home, on site, during breaks, or in your free time - on any device. Our flexible online training lets you revisit key sections whenever needed, so you’re never pressured to keep up with others. Just sit the test when you’re ready, no need to book in. Practical, expert-led courses designed to fit around the demands of construction work, wherever you are.