The phrase "full takeover" means that one person or group is completely taking control or ownership of something, leaving no part of it untouched or unaffected by their influence. Full definition
Big Food manufacturers have increasingly announced either full takeovers of startup brands, or in more recent months, have set up venture capital arms to invest in a slew of smaller brands with an option to eventually acquire some of those brands later (if they become successful hits on grocery store aisles). (fortune.com)
Unilever has also inked some recent full takeovers: Last year it separately bought Dollar Shave Club and Seventh Generation. (fortune.com)
Full takeover of teaching responsibilities including all subjects and activities - possible grade level changes (indyteach.org)