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Satisfied Clients Served
Trusted. Experienced. Results-Driven.
Reliable Accounting, Tax & Advisory Services
NAS Advisors provides practical financial solutions to individuals, small businesses, nonprofit organizations, and international organizations across Virginia and the Washington, D.C. area.
Accounting & BookkeepingAccounting System Support
TaxesIRS & States Filing Support
PayrollAdministration & Reporting
AdvisoryBusiness Financial Guidance
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Individuals
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Small Businesses
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Nonprofits Supported
On-Time Service
Accurate work delivered on schedule.
A Team of Professionals
Experienced specialists supporting your goals.
Analyze Your Business
Insights for stronger financial decisions.
Confidential & Secure
Professional care for sensitive information.
Our Services
Comprehensive Financial Solutions
Click any service to review detailed capabilities and support options.
Tax Services
Federal and state tax preparation, planning, and year-round support.
View tax services →Accounting & Bookkeeping
Reliable records, reconciliations, financial statements, and reporting.
View accounting services →Accounting System Setup
QuickBooks setup, cleanup, migration, dashboards, and user support.
View system services →Payroll Services
Payroll setup, administration, tax filings, reporting, and compliance.
View payroll services →Business Advisory
Budgeting, cash flow, planning, growth, internal controls, and efficiency.
View advisory services →Business Registration
Entity formation, EINs, state registrations, licenses, and required filings.
View registration services →
15+Years of Professional Experience
About Us
About NAS Advisors
NAS Advisors is a Virginia-based consulting firm providing accounting, bookkeeping, tax, payroll, accounting system setup, business registration, and business advisory services. We serve individuals, small businesses, nonprofit organizations, and international organizations.
Purpose
Deliver reliable financial solutions that simplify operations and support confident decisions.
Vision
Be a trusted financial partner known for dependable service and long-term relationships.
Mission
Provide accurate, compliant, and practical services with integrity and professionalism.
Who We Serve
Solutions Built Around Your Needs
Select a client category to tell us about your needs and questions.
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Individuals
Personalized tax preparation, planning, and financial support.
▣Small Businesses
Accounting, payroll, tax, and advisory support for growth.
♡Nonprofit Organizations
Accounting, reporting, tax-exempt filing, and compliance support.
⊕International Organizations
Practical support for cross-border financial and operational requirements.
Credentials
Certifications & Affiliations
Recognized credentials and memberships that support professional service, compliance, and industry standards.
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Let’s Build a Stronger Financial Future—Together
Partner with NAS Advisors for clarity, compliance, confidence, and sustainable growth.