Amsterdam taxi company TCA and sector organisation KNV Taxi have made a formal complaint against Uber for continuing to offer its Uberpop unlicenced taxi services.

They want the government to ‘take action against this illegal taxi service as soon as possible’, pointing out that Uberpop has already been declared illegal in the courts.

‘We are now seven months on and nothing has changed,’ the two organisations are quoted as saying by news agency ANP. ‘Despite the fines, there are still illegal Uberpop drivers in the big cities.’

Last weekend there were several incidents in Amsterdam and Utrecht where licenced cabbies tried to block Uberpop drivers. Hundreds of taxi drivers also took part in an anti-Uberpop demonstration in The Hague earlier this month.

Uberpop’s app allows private car owners to use their vehicles as taxis at cheap rates.