Too many cooks spoil the broth
Minimize the number of departments, groups and persons involved in a business process
Reijers, H., & Liman Mansar, S. (2005). Best practices in business process redesign: an overview and qualitative evaluation of successful redesign heuristics. Omega, 33(4)
Employing this approach should mitigate coordination issues. Time saved on coordination can be allocated to case processing. Decreasing department count could reduce shared responsibilities, akin to the split responsibilities approach. Yet, it might hinder expertise development (quality concern) and routine efficiency (cost concern).
Foundational free Patterns
Eliminate unnecessary activities
Buffer external information and subscribe to updates
Design business processes for typical cases and isolate exceptional cases from the normal flow
Elevate physical constraints by applying new technology
Consider to deepen or broaden the skills of resources
Consider the division of a general activity into two or more alternative activities
Assign tasks based on resources' roles in the organisation
Preference-based task assignment
Let people do what they love to do
Experience-based task assignment
Delegate task according to experience: execution frequency, case involvement, interactions
Reduce the number of contacts with customers and third parties
If capacity is insufficient, consider increasing the available number of resources