Nacha Announces Accelitas as a Preferred Partner for ACH Account Validation Share Article Accelitas is now a Nacha Preferred Partner for ACH Account Validation. As a Preferred Partner, Accelitas is a part of a select group of innovators that Nacha recognizes for offering products and services that align with Nacha’s core strategies to advance the ACH Network. “Nacha is continually advancing and modernizing the ACH Network, while improving safety and security – and account validation is one method available for the industry to do their part,” said Nacha President and CEO Jane Larimer. “It’s also one reason why we welcome Accelitas as a Preferred Partner.”