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Trusted Accounting & Tax Solutions in Reston, VA
At Miller Musmar, we drive client performance through proactive, forward-thinking financial solutions. With nearly three decades of experience, our team delivers tailored accounting, tax, and advisory services designed to address the unique challenges of diverse industries. As a trusted advisor, we go beyond traditional accounting to help businesses grow and achieve long-term success. Our commitment to excellence is reflected in our team of seasoned professionals, including CPAs, CFPs, and MBAs, who complete over 40 continuing education hours annually.

We prioritize responsiveness, timeliness, and collaboration, ensuring clients receive personalized support and fixed-fee structures whenever possible. Our expertise spans government contracting compliance, international tax services, nonprofit accounting, and business valuations, serving clients domestically and globally. Rooted in Reston, Virginia, we combine local insight with international capabilities to meet client needs efficiently and effectively.
Services
Accounting Audit Assurance Tax Planning Tax Compliance International Taxation Business Valuations Cybersecurity Advisory Mergers & Acquisitions Nonprofit Accounting
Highlights and features
  • We offer 30 years of experience in accounting and tax services.
  • Our team includes CPAs, CFPs, and MBAs with 40+ annual CE hours.
  • We provide fixed-fee pricing with no hidden costs.
  • We specialize in government contracting compliance and international tax services.
  • Our client relationships average over 10 years of trust and collaboration.
Services
Accounting
Our accounting services provide businesses with accurate financial records and strategic insights. We handle day-to-day transactions, payroll, and financial reporting to ensure compliance and support decision-making. Clients receive tools to monitor cash flow and optimize financial health.
Audit Assurance
We deliver efficient audit and assurance services focused on accuracy and regulatory compliance. Our team works collaboratively to assess financial controls and provide actionable recommendations. Services include pre-award audits for government contractors and compliance reviews.
Tax Planning
Our tax planning minimizes liabilities while maximizing savings through strategic deductions and credits. We cater to businesses and individuals with domestic and international tax needs. Services include SALT compliance and expatriate tax solutions.
Business Valuations
We provide precise business valuations for mergers, acquisitions, or succession planning. Our certified valuation analysts use industry-specific methodologies to determine fair market value. Clients receive detailed reports for legal, tax, or transactional purposes.
Government Contracting Compliance
Specialized accounting and compliance services for federal contractors. We ensure adherence to FAR, CAS, and DCAA requirements, including accounting system audits. Our expertise helps clients navigate complex regulatory environments and secure contract awards.
Questions
What industries does MillerMusmar specialize in?
We specialize in government contracting, nonprofits, international businesses, healthcare, and AASHTO compliance. Our team has deep expertise in these sectors' unique financial requirements.
Do you offer international accounting services?
Yes, we serve both U.S. businesses operating overseas and foreign companies doing business in the U.S., including tax compliance and cross-border transaction advisory.
How are your fees structured?
We prioritize fixed-fee arrangements whenever possible, ensuring transparent pricing with no unexpected costs. Fees are competitive and based on service complexity.
What sets MillerMusmar apart from other firms?
Our combination of industry-specific expertise, proactive approach, and client-centric culture differentiates us. Team members hold advanced certifications and maintain deep regulatory knowledge.