For some companies it is enough to say "The data center is ISO certified". Which I always found strange, because almost every data center is ISO certified. But

For some companies it is enough to say "The data center is ISO certified". Which I always found strange, because almost every data center is ISO certified. But you will notice over time how relevant that will be for your customers. Simply ask with every lost offer what the reason was. Then you can still take care of your own certification.