Frequently asked questions
Before calling us, please check through our FAQs section to see if your query is already answered.
You can call our contact centre on 0330 390 4586
Monday to Friday: 9am to 5:00 pm
Join the team
The HALO team includes world-class scientists and technologists, as well as logistics and customer service experts. If you would like to join our team please complete the form below.