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
Let workers perform as many steps as possible for single cases
Establish a case-based mindset
Remove batch-processing and periodic activities from your business process
Consider whether activities may be executed in parallel
Consider the division of a general activity into two or more alternative activities
Collect similar work items and work in batches
Offer customers the possibility to serve themselves
First-contact problem resolution
Establish a one-contact resolution for customer issues
Preference-based task assignment
Let people do what they love to do
Reassign tasks along the organisational hierarchy
Reduce the number of contacts with customers and third parties
If capacity is insufficient, consider increasing the available number of resources