As groups merge funds, funding sources will begin to target specific outcomes instead of individual groups. Some funders are already moving in this direction. Don't forget other types of resources like labor or in-kind services. Local colleges or universities may donate student or faculty time. They may happily undertake data collection and analysis tasks.
Expectations Shifting to outcome evaluation is a long term process.
Do not expect change overnight. Your community may not be ready for a change of this magnitude. Start with your own agency. Present the case to your funders. Educate other service providers.