The PDCA cycle is a primary tool and a real agent of change that works for all types of businesses. Developed by statistical engineering experts who taught us that achievement comes from the synergy of efficiency and customer service methodologies, the PDCA cycle and teams are not strategies in themselves, but they will focus your attention on whether your strategies are successful.
The PDCA cycle helps you

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write an effective
Plan, then you
Do whatever it takes to accomplish it,
Check how the plan works, and
Act (or react) to improve it. You also see this mnemonic identified as the PDSA cycle, or Plan-Do-Study-Act, especially in the health care field. You implement it when you ask what you want to improve about a process. Your answer to that question forms the basis for the plan.
The next step focuses on resources—people and things—you need in order to achieve the plan. Next, how will you know whether the plan is successful? You must identify a standard to measure your success, and if the plan fails, make adjustments and roll into a revised phase. Those are the basic steps of the PDCA cycle.
Image Credit: Wikimedia Commons, PDCA Diagram by BludgerPlan