Optimized Systems and Solutions LLC (formerly known as Data Systems & Solutions) is a wholly owned subsidiary of Rolls-Royce plc, with offices in the US, UK, France and the Czech Republic. It was founded in 1999 as a joint venture between Rolls-Royce plc and Science Applications International Corporation (SAIC). In early 2006, SAIC exited the joint venture agreement, making Rolls-Royce plc the sole owner.

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As of June 30, 2014 OSyS has merged with Aero Engine Controls (AEC), another subsidiary of Rolls-Royce, and changed its name to Rolls-Royce Controls and Data Services.^[1]

Optimized Systems and Solutions specializes in the delivery of decision-support systems to monitor and optimize high-value assets in the following markets:

• oil and gas,
• civil and defence aerospace,
• power generation,
• marine,
• nuclear,
• transport (road and rail).

OSyS provides commercial off-the-shelf (COTS) products and associated support services which are intended to enable businesses in these markets to:

• increase availability and reliability of key assets,
• reduce in-service cost,
• reduce risk through enhanced compliance and protection.

Such assets include gas turbines, diesel engines, pumps, compressors and rail transport systems.

Integrated solutions provided by OSyS include:

• data acquisition and management,
• electronic flight bag EFB,
• enterprise asset management,
• compliance,
• equipment health monitoring (EHM),
• fuel optimization,
• fleet planning and forecasting,
• decision support,
• systems integration and high-integrity software.^{[citation needed]}

OSyS also provides consultancy services in regulatory compliance and environmental health and safety.

OSyS solutions and services are claimed to translate data directly into actionable information surrounding a customer's high-value assets.^{[clarification needed][citation needed]}

The Quality Management System (QMS) of Optimized Systems and Solutions LLC, has been approved by Lloyd's Register Quality Assurance to ISO 9001:2000.^{[citation needed]}