Our operations can be divided into 2 key areas of business: Tail Lift and Shutter repairs Self Storage for businesses based in West London Double 4 Ltd. is a family run business with over 30 years experience in our sector. Our primary aim is to work as a team to offer our clients the bespoke service that they require be that in only one of our key areas of business, or across all four specialist sectors. Our operations are 24 hours a day, seven days a week to reflect the haulage and transportation industry business and its subsequent support needs. Double 4 Ltd Terms & Conditions of Business apply.