Interserve is a services, maintenance and building group. We provide services across the whole life of many types of buildings and infrastructure such as hospitals, schools, offices, shopping centres, airports, industrial plant, bridges, waterworks or roads. We offer our services at each stage of the asset lifecycle: we build, we help others build by hiring them equipment, we support operations, we maintain and we replace. Around 80 per cent of our services are delivered into the built environment and 20 per cent to plant and infrastructure.

A common theme throughout our services is that we manage complex environments to enable our clients' businesses to run more effectively. The core competencies that enable us to deliver the services our customers need are:
- Service integration
- Direct delivery and supply chain management
- Productivity improvement
- Development of long-term working relationships
- Driving and managing change.
Increasingly our customers wish to buy more services from fewer suppliers. With our breadth of skills and services, we are able to respond to that customer need and to deliver a "one-stop-shop", integrated service. Private Finance Initiative (PFI) projects are an excellent example of where the customer wants to work with an organisation that can design, build, operate, maintain, replace and finance their asset. Our ability to tailor our services to meet individual client needs by harnessing expertise from across the Group differentiates us and means that we can achieve growth with existing clients by delivering additional services. For example, in a number of cases we are developing facilities management (FM) services from our existing construction framework agreements and are winning construction contracts with FM clients.