British Petroleum PLC has expanded its US$300 million outsourcing contracts with New York City-based Accenture Ltd. for financial and administrative services by signing another IT deal worth $175 million. To address BP's business integration needs following its merger efforts with Amoco, Burmah Castrol and Arco, Accenture is expected to design, build and run critical business systems that support BP's U.S. downstream back-office business processes. Under the nine-year deal, Accenture's Houston-based Senergy Business Center will provide BP with system support starting next month. The systems covered by the contract include accounts payable, general accounting, treasury, financial analysis and application management. London-based BP is an international energy company with exploration headquarters in Houston.