centralize

US /ˈsen.trə.laɪz/
UK /ˈsen.trə.laɪz/
1.

tập trung hóa

to remove authority in a system, company, country, etc. from local places to one central place so that the whole system, etc. is under central control:

:
Payment of bills is now centralized (= organized at one place instead of several).