English to German Bus/Financial

Both terms from a webpage for a company providing a range of services, including auditing & process control technology, in the field of compressed air generation.

This is the context:

"Performance contracting is the ultimate service package. It provides for comprehensive, long-term and complete outsourcing of all plant, equipment and associated services.....Once we have agreed the contract, we take all the cost and the risk in return for a fixed fee....We can operate the existing plant or we will own the plant. Either way, we include the cost of energy, maintenance and management."