- Ensure accurate subscriber classification with comprehensive verification services that combine automated tools and expert review to meet critical exchange compliance requirements.Learn More
Exchange Liaison & Audit Defense
Navigate complex exchange audits with confidence through our expert preparation, direct auditor communication, and strategic fee negotiation to minimize financial impact.Learn MoreNYSE Quote Meter Audit
Leverage our NYSE-recognized expertise to prepare for and successfully navigate quote meter audits with specialized knowledge of NYSE policies and procedures.Learn MoreMISU
Maintain compliance with Multiple Instances of Simultaneous Usage policies through expert guidance, audit preparation, and comprehensive documentation support services.Learn MoreReporting/Declaration
Streamline all exchange reporting obligations with our end-to-end documentation management, monthly reporting, and ongoing policy interpretation services.Learn More
Pro Non-Pro Verification
Accurate Classification That Prevents Costly ErrorsFirms that redistribute exchange data to retail or nonprofessional users must ensure proper classification. MDMS provides reliable verification services combining automated tools with manual reviews to help you meet this critical compliance requirement.
Our Approach:
- Comprehensive review of subscriber data
- Clear documentation for each classification (Pro, Non-Pro, Unknown)
- Deep knowledge of nonprofessional policies across all major exchanges
- Up-to-date expertise on nonprofessional rules across NYSE, NASDAQ, Cboe, and CME

Exchange Liaison & Audit Defense
Expert Guidance Through Every Stage of the Audit ProcessAudits are unavoidable—but with MDMS, you’re never facing them alone. We provide expert audit defense services that help financial firms prepare, respond, and negotiate with confidence through every phase of the audit process.
Complete Audit Support:
- Conducting internal compliance analysis and risk reviews
- Preparing and organizing data for exchange auditors
- Leading all communications with the exchange
- Negotiating fee liabilities to minimize financial impact
- Assisting clients in understanding and maintaining compliance pre- and post-audit

NYSE Quote Meter Audit
Specialized NYSE Quote Meter Audit ExpertiseMDMS is a qualified independent auditor recognized by the New York Stock Exchange for their required quote meter audits. We bring specialized expertise to navigate the complex requirements and detailed documentation needed for NYSE compliance.
NYSE Quote Meter Services:
- Expert preparation for NYSE quote meter audit requirements
- Detailed understanding of NYSE policies and procedures
- Direct communication with NYSE auditors on your behalf
- Comprehensive documentation and reporting support

MISU (Multiple Instances of Simultaneous Usage)
MISU Policy Compliance and Audit ManagementMISU audits require detailed understanding of exchange policies regarding simultaneous data usage across multiple instances. Our team provides expert guidance to ensure your firm meets all MISU requirements and successfully navigates audit processes.
MISU Compliance Services:
- Deep knowledge of MISU policies and compliance requirements
- Preparation and support for MISU audits
- Policy interpretation and implementation guidance
- Documentation and reporting for MISU compliance

Reporting/Declaration
Complete Exchange Reporting and Documentation ManagementMDMS offers end-to-end exchange reporting services to ensure your firm meets all documentation and filing obligations. Acting as your dedicated exchange liaison, we manage every aspect of the reporting process for accurate, on-time submissions.
Comprehensive Reporting Services:
- Managing exchange relationships, declarations, and document filings
- Policy review and interpretation
- Data access and reporting including database enhancement
- Monthly reporting to exchanges
