centralize
verb [ I or T ]
( UK also centralise) uk/ˈsentrəlaɪz/ usto organize a system, company, government, etc. so that all of its parts are controlled by one main system or authority:
In an effort to increase profits, the company plans to centralize its production facilities.
We know that we need to centralize, but we're not quite ready to do that yet.
centralization
noun [ U ] ( UK also centralisation) /ˌsentrəˈlaɪzeɪʃən/
Organizational changes will include greater centralization of power at the executive level.