We have more then 20 years experience in business consultancy specifically in the area of clinical supply, document management and analytics.
We are using different methodogies (e.g. lean, six-sigma) for business process improvement but we can also use the methodologies that you already have in place.
The business optimization live-cycle could look like follows :
(source : wikipedia Aleksander Blomskøld)
It is very important to monitor the implementation. Therefore you need measurable parameters that can characterize the process.
The following article describes different business process optimization methodologies :