Uptime Tier III Certified Colocation Providers

Frequently asked questions

What is Uptime Tier III for a colocation provider?

Uptime Tier III: Concurrently maintainable infrastructure, with 99.982 percent expected availability. viabandwidth lists 534 colocation operators carrying this certification.

How many Uptime Tier III certified colocation providers are there?

534 colocation operators in viabandwidth's directory report Uptime Tier III. Certification labels are surfaced from operator websites; certificate verification is the buyer's responsibility before contract.

What should procurement teams check beyond the Uptime Tier III label?

Uptime Institute Tier III means the facility is concurrently maintainable, with redundant capacity components and multiple distribution paths. Tier certification is more meaningful than Tier compliance claims. Ask whether the certification covers Design (TCDD) or both Design and Constructed Facility (TCCF) — the latter is stronger evidence.

Does Uptime Tier III alone qualify an operator for shortlisting?

A certification is one signal, not a verdict. Connectivity density, operator credibility (do they actually run the building), power and cooling capacity, and contract terms still matter. Use this hub to filter on certification, then check the country page and the operator profile for the full procurement picture.