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Objective: This series of audits aimed to determine current best practice in delirium management in a tertiary teaching hospital and to identify strategies to improve the quality of care in delirium with a focus on prevention. Methods: We completed a series of audits following the formation of the Cognitive Impairment Reference Group, a multidisciplinary team that was created to implement delirium management guidelines and monitor compliance. Audit 1 focused on antipsychotic use in patients aged 66 years and older. Audit 2 reviewed delirium care in the Acute Medical Ward. Audit 3 included ethnographic data and investigated the use of non‐pharmacological methods to prevent and manage delirium in the Geriatric Ward. Two years on, Audit 4 is a repeat of Audit 1. Results: There were improved rates of cognitive screening between Audits 2 and 3 from 65% n = 40 to 86% n = 102, respectively. Most patients had one form of non‐pharmacological strategy in place to prevent delirium however few had a multicomponent approach. Fewer patients were prescribed benzodiazepines alongside antipsychotics 28.57% n = 35 in Audit 1 compared to Audit 4 12.5% n = 32. Conclusions: Improved quality of care in delirium management is achievable via a co‐ordinated multidisciplinary approach. These audits demonstrated improvements in both rates of cognitive screening, and use of non‐pharmacological strategies prior to antipsychotic medication use and better adherence to guidelines for antipsychotic prescribing. Areas for further development in delirium prevention include the uptake of screening and individualised non‐pharmacological strategies. [ABSTRACT FROM AUTHOR]