ASDA WalmartOne UK Login and Help. Access the ASDA Walmart One UK website to view your ASDA shift schedule, book your holiday or learn about your ASDA Colleagues employee discounts and benefits. ASDA.Walmartone.com. If you are accessing the ASDA Walmartone employee portal for the first time, then please be aware that the official  ASDA Walmartone … Continue reading ASDA Walmartone UK