The Metropolitan Police is exploring the possibility of moving at least 60 percent of its IT systems to the cloud.

Stressing that the police force is only at the early "pre-approved business case" stage of its cloud plans, Roger Saint, head of strategic cloud in the Metropolitan Police Service's Directorate of Information, said: "We are looking to replace our existing systems with a series of services in the cloud."

"I've been looking at [moving] 60 percent of our systems," Saint told The 451 Research Group's HCTS conference in London yesterday.

IT systems that will not be moved to the cloud include very high - level 5 - security systems, the command and control capability and back office systems.

However, Saint admitted that back office systems have only been ruled out to make the scope more manageable, and that he could not see a reason why they could not be moved to the cloud.

"So ultimately, the figure could be well above 60 percent," he said.

The Met Police has engaged with around 80 vendors over the last seven months to help it build a business case for the cloud strategy. Under the cloud plans, the Met Police hopes to move as much of the systems to the cloud by 5 December 2015, which is when the current ICT contract expires.

"The successful implementation [of the cloud strategy] will involve an ecosystem of vendors providing different elements," said Saint.

The order that the police force will take systems to the cloud will be driven by how much it costs the business to run the system, and the level of positive impact of the agility provided by moving to the cloud.

"The business is not demanding cloud. The business is demanding agility," Saint reiterated.

The Met Police is currently looking at its legacy systems, and is running programme involving virtualisation and automation.

Saint said: "That is primarily driven by short-term cost savings and consolidating data centres we've got."