MasterCard is facing a claim of up to £19 billion in damages in a UK collective action over card charges that were passed on to consumers.
According to the latest Which? survey one in five people who bought flowers online have had a problem with a their order.
Customer complaints about energy firms leapt by almost a quarter last year, the Energy Ombudsman has said.
UK consumers are put off shopping on EU websites - even if they're cheaper - due to fear of potential problems and returning goods if something goes wrong.
New Which? research reveals that 34% of people haven’t heard of the new Consumers Rights Act, which strengthens consumer rights on refunds and digital content.
A company which claims to block unwanted telephone calls has been fined £75,000 by the Information Commissioner's Office (ICO) after making ‘aggressive’ cold calls.
Network Rail will today be fined £2 million by the rail regulator for poorly managed timetabling, which led to chronic delays and disruption at London Bridge station.
Which? analysis of 1.7 million flights over the past year has revealed that around 880,000 passengers could claim airline compensation for delayed flights.
A firm responsible for bombarding people with millions of nuisance calls has become the first to be fined under new claims management regulation powers.
Mango, one of the biggest retailers on the UK high street, is falling short of consumer law by delaying refunds.