ComplaintCensus

Switching problems

Problems joining or leaving a provider — failed switches, number porting, or being billed by both.

745complaints of this kind in the census
95companies affected
53%graded severe

Where to escalate

What people actually describe

“I was apparently on the wrong tariff and Octopus hadn't received my”
1★ review of Octopus Energy, 2026-09-26
“trying to keep my current number was a nightmare!”
2★ review of Tesco Mobile UK, 2026-09-25
“transfer became 2-4 weeks no outgoing line ... emergency phone not working!”
1★ review of Vodafone UK, 2026-09-24

Companies with the most reports of this kind

Counts depend on how many of each company’s reviews are in the census, so this ranks what we have read, not the whole market. See the full ranking.