Lovefilm now have partnerships with many companies, however if you had already have taken a trial out with lovefilm beware you cant take a free trial with its other partner sites. You may be charged without warning.

From Terms and conditions:

"The Free Trial is available to new subscribers only. Existing subscribers, or those who have previously enjoyed a free trial period with LOVEFiLM, or any LOVEFiLM-powered site are not eligible and will be billed normally for use of the service."

• welovefilms.com
• sainsburysdvdrental.co.uk
• dvd.lastminute.com
• dvdrental.cd-wow.com
• dvdrental.whsmith.co.uk
• filmfourdvd.com
• dvdrental.woolworths.co.uk

They are all based on lovefilm and are just rebranded websites so you may prefer to just deal with lovefilm directly as then you will get access to there telephone customer support