This paper proposes a scalable regulatory reporting architecture tailored for FINRA and SEC-registered firms, addressing the growing complexities of compliance in today’s financial landscape. Drawing from direct Series 7 and 63 licensure experience and real-time exposure to regulatory document delivery and investor communication processes, the framework offers a practical blueprint for transforming fragmented reporting workflows into integrated, automated systems capable of handling evolving rule sets and time-sensitive requirements. Regulatory reporting for broker-dealers and investment advisers especially Form ADV, Form BD, TRACE submissions, and CAT reporting requires both accuracy and speed, with increased scrutiny from FINRA, the SEC, and state regulators. The proposed architecture emphasizes modular system design, allowing firms to scale across multiple product lines and compliance jurisdictions while maintaining unified data integrity. Key pillars of the framework include data normalization from disparate systems (trade execution platforms, CRM systems, and accounting software), a centralized compliance rules engine, automated validation layers, and encrypted delivery pipelines aligned with FINRA’s Gateway, Web CRD, and EDGAR systems. The architecture leverages APIs, cloud-native infrastructure, and robotic process automation (RPA) to enable continuous reporting and reconciliation. By implementing real-time audit trails, secure file versioning, and exception-based alert systems, firms can reduce reporting errors, increase transparency, and shorten regulatory response cycles. Furthermore, the solution incorporates workflow management for compliance officers, legal teams, and operations staff, ensuring traceability and accountability across the reporting lifecycle. Critically, the design reflects regulatory expectations for proactive risk controls, cyber readiness, and supervisory procedures, supporting a firm’s ability to meet Books and Records requirements (SEC Rule 17a-4) and FINRA Rule 3110. The architecture also supports dynamic investor communication compliance, covering key documents like trade confirmations, prospectuses, and performance reports under Rule 10b-10 and Rule 482. In an environment where noncompliance risks costly penalties and reputational damage, this framework enables firms to establish a resilient reporting backbone flexible enough for new rule adoption and robust enough for daily operational demands.