M&S Accounting Group provides bookkeeping, payroll, tax, compliance, and advisory services for small- to mid-sized businesses across the United States.
We work with businesses across a wide range of industries by delivering organized financial support, proactive communication, and long-term accounting guidance designed to support growth and day-to-day operations.
Founded by Mohsen Abolfathi & Samira Moshashai · Reston, Virginia
Reliable work starts with attention to detail. Every reconciliation reviewed. Every return carefully prepared.
Direct answers. Professional guidance. Clear communication without unnecessary complexity.
Year-round support for growing businesses. We build lasting relationships, not seasonal transactions.
Mohsen Abolfathi & Samira Moshashai
Founders · M&S Accounting Group
Bookkeeping, payroll, tax, compliance, and advisory services — delivered through one relationship-focused team that supports your business throughout the year.
Organized financial records, reconciliations, and reporting designed to help you better understand and manage your business.
Learn more → 02Reliable payroll support, including payroll processing, filings, withholdings, and year-end reporting for your team.
Learn more → 03Tax preparation and planning services for businesses and individuals, delivered with accuracy, organization, and proactive communication.
Learn more → 04Business compliance support including payroll tax filings, sales tax, registrations, and ongoing reporting requirements.
Learn more → 05Practical financial guidance to support business growth, operational decisions, cash flow planning, and long-term organization.
Learn more →Helpful guides, checklists, and reference materials designed to support better financial organization, planning, and year-round business operations.
Key federal and state filing deadlines organized in one clear, printable guide for businesses and individuals.
A practical checklist of the financial and tax documents commonly needed to begin working together efficiently.
A simple guide to help businesses prepare financial records, organize documents, and close out the year more efficiently.
M&S Accounting Group Office
Founded by Mohsen Abolfathi & Samira Moshashai, M&S Accounting Group is a modern accounting and advisory firm supporting small- to mid-sized businesses across the United States. We help businesses stay financially organized, compliant, and prepared for growth through practical accounting support, proactive communication, and year-round financial guidance.
Read Our Story →Whether you need ongoing accounting support, tax services, payroll management, or financial guidance, we’re here to help you stay organized, compliant, and prepared for growth.
Schedule Your Free Initial ConsultationOffice
1900 Campus Commons Dr., Suite 100 Reston, VA 20191
Contact
[email protected] Office: (703) 766-6584 Fax: (703) 766-6501
Hours
Monday – Friday 9:00 AM – 5:00 PM
