Virgin Media has been fined a record ยฃ28 million ($37.5 million) for making it unreasonably difficult for customers to close accounts or switch to a better telecoms deal. The U.K. Office of Communications (Ofcom) found that the companyโ€™s commission policy โ€œeffectively encouraged and financially rewardedโ€ call center agents for creating barriers that prevented customers from leaving, undermining competition.

The fine is the largest Ofcom has imposed for a competition offense, and it follows the U.K.’s recent move to expand regulators’ powers to enforce competition law. Virgin Media encouraged its staff to drop calls, put customers on hold for long periods repeatedly, and transfer them pointlessly to other agents in the hope that they would give up trying to close their accounts.

Ruth Prickett graduated from Cambridge University with a BA hons in History and has specialized in business and finance journalism for the past 20 years. She was editor of Financial Management, the magazine...