Brighton and Sussex University Hospital [BSUH] are partners in research with Julie Comlay, a PhD candidate, developing a BIM FM transition strategy for OPEX activities. Owner occupiers are facing challenges to optimise efficiencies for OPEX activities in terms of service delivery models complexities and budget considerations. Migration to a digitalised data platform presents opportunities for accessible, reliable and comprehensive data. Organisations are managing a continuum of data ranging from un-catalogued, siloed, paper based data; to an integrated digital platform which includes digital geometric models and/or Asset Information Models [AIM] delivered from CAPEX projects. OPEX teams may be at any point of a digital or a paper data continuum and are managing a mix of analogue and digital data operating in parallel. The UK BIM standards and guidance delivered, to date, have reduced the complexity and technical uncertainty, whilst promoting the implementation and adoption of BIM for design and construction. The standards, PAS 1192-3, in particular are relevant to OPEX activities for refurbishment and CAPEX projects, however there is a light touch for OPEX activities. Guidance, standards and template documentation specifically appropriate for OPEX activities are required to assist in the transition to a digitalised landscape and a reliable, robust and responsive service delivery model. Through a data audit of OPEX data, the generation of a use profile for data outputs, together with modelling of the current service delivery model; it is intended to refine the granularity of the digital data required and derive strategic digitalised information requirements, with identified development needs. The research undertaken at BSUH will develop a strategic framework for transition to complete digitised data and digitalised information modelling process, to optimise OPEX delivery models using a digital platform.