Who We Are CAS Assurance, LLC is a CPA firm based in Miramar, Florida. Our licenses enable us to also provide all of our services to clients in the Commonwealth of Virginia. We offer tax, bookkeeping, accounting, audit, and advisory services designed to meet the specific and unique needs of our clients. We leverage our professional experience of more than 20 years with small and large entities in both private and public sectors to provide better insights for better results concerning your taxes, accounting systems, financial reporting, internal control, and information security management. We work with owners and managers of small and mid-sized businesses on solutions that best fit their needs — for better decision-making, improved operational efficiency of their business, and effective management of risks to facilitate an overall healthy, compliant, and profitable business. We love what we do, we do what we promise, we promise what is good for you!