Seven men staged the largest cash robbery in Britain at a Securitas depot in Tonbridge, Kent, United Kingdom.

The 2006 Securitas depot robbery in Tonbridge, England, was the UK's largest cash heist. It began with a kidnapping on the evening of 21 February 2006 and ended in the early hours of 22 February, when seven criminals stole almost £53 million. The gang left behind another £154 million because they did not have the means to transport it.

Securitas AB is a Swedish group devoted to security services, such as security guarding, mobile patrolling, monitoring, investigation and related consulting services. The group is headquartered in Stockholm and had over 336,000 employees in 44 markets worldwide as of 2024. Securitas AB is listed at Nasdaq OMX Stockholm in the Large Cap segment.

Tonbridge is a market town in Kent, England, on the River Medway, 4 miles (6 km) north of Royal Tunbridge Wells, 12 miles (19 km) south west of Maidstone and 29 miles (47 km) south east of London. In the administrative borough of Tonbridge and Malling, it had an estimated population of 41,293 in 2019.

Kent is a ceremonial county in South East England. It is bordered by Essex across the Thames Estuary to the north, the Strait of Dover to the south-east, East Sussex to the south-west, Surrey to the west, and Greater London to the north-west. The county town is Maidstone.