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Self-Audits

A complete, self-guided ACH Audit solution for Third-Party Senders and Originators. Everything you need for a successful audit, all in one package.

Risk Assessments

OAS offers industry-specific ACH risk assessments designed to guide your internal teams through the risk assessment process.

Hybrid Audits

The Hybrid Audit blends the Self-Audit and Full-Service Audit. It minimizes the demands on internal teams and leverages OAS’s Accredited ACH Professionals to perform testing and provide final reports.

Full-Service Audits, Risk Assessments & Consulting

Engage OAS’s Accredited ACH Professionals to perform your annual ACH audit, risk assessment, or consulting services.
Resource & Rule Updates

ACH FAQs

Our clients ask, and we publish answers to their commonly asked questions in layman’s terms.

Business Forms and Resources

Don’t start from scratch if you are looking for a form or resource! As industry experts, we offer free downloadable forms and resources, so you won’t have to Google for them.

Nacha Rules Updates

At Optim, we understand that all Rule changes are critical to compliance; however, not every Rule impacts each ACH participant equally, so we have mapped out their impact on our business participants.
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Risk Assessment Solutions

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Risk Assessment Solutions
Risk Assessment Solutions
Price range: $300.00 through $350.00 Select options This product has multiple variants. The options may be chosen on the product page