
2026-07-31
"Tier III+" Isn't a Real Certification — And a State Attorney General Once Proved Why That Matters
Colocation and cloud providers routinely market facilities as "Tier III+" or "Tier IV-ready." Uptime Institute has never certified a single one — because those tiers don't exist. In 2015, that gap between marketing language and certified fact nearly got one provider sued by a state Attorney General. Here is what tier certification actually verifies, why the industry's favourite marketing terms are meaningless, and the exact questions every enterprise IT leader should ask before signing a colocation contract.

