Mine was similar, renewed with Elephant myself and still Admiral auto-renewed, it got confusing when I tried to cancel the auto-renewed policy:
Me: I'd like to get my money back from the auto-renewal.
Ad: OK, but why did you contact us 2 days ago to ask if you're covered 3rd party on another vehicle?
Me: I didn't, I contacted Elephant.
Ad: But we're the same company.
Me: Fair enough, but I have a new policy with Elephant and want to cancel the Admiral one.
Ad: We only appear to have 1 policy for you on our system.
Me: Well both Admiral and Elephant have charged me!
Ad: Let me check by postcode... oh, the registration is wrong on the new policy.
Me. But you're the same company and I entered it myself online!!!
Maybe it's the staff they employ that allow them to charge so little for insurance! Actually, to be fair, their customer service has usually been pretty good.