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Your Trusted Accounting & Tax Services Partner in Manassas
At Accounting & Tax Services, we combine technical expertise with personalized attention to deliver comprehensive financial solutions. Our team, led by Enrolled Agent Mandy Smiedt, specializes in taxation, bookkeeping, and financial planning for individuals and businesses. With decades of experience preparing thousands of tax returns annually, we leverage advanced accounting software to ensure accuracy and efficiency. Our Online Office empowers clients to actively participate in financial management through secure access to calculators, newsletters, and critical tax updates.

We prioritize client education, offering tools to enhance budgeting, retirement planning, and business decision-making. Committed to ethical standards, we maintain transparency about the limitations of online information while providing actionable guidance through direct consultation. Our Manassas, Virginia-based practice serves as a trusted partner for navigating complex tax codes and optimizing financial outcomes.
Services
Bookkeeping Financial Statements Payroll Services Business Tax Returns Tax Planning Financial Calculators
Highlights and features
  • We offer Enrolled Agent expertise with IRS-recognized tax specialization
  • Our team prepares thousands of individual and business tax returns annually
  • Online Office enables secure client participation in financial management
  • Comprehensive services cover bookkeeping, payroll, and strategic tax planning
  • Personalized approach prioritizes client education and informed decision-making
Associations and certifications
  • Enrolled Agent (EA)
Services
Bookkeeping
We provide complete bookkeeping services using QuickBooks software for small businesses of all sizes. Our computerized accounting systems are maintained with quarterly, monthly, and annual reporting cycles to ensure accurate financial tracking. Clients receive timely, organized records that support informed business decisions and tax compliance.
Tax Planning
Our tax planning services include long-term strategizing, annual forecasting, and mid-year adjustments to minimize tax liabilities. We develop customized plans for individuals and businesses, considering evolving tax codes and financial circumstances to optimize tax outcomes while maintaining compliance with federal and state regulations.
Payroll Services
We handle comprehensive payroll services including after-the-fact payroll processing, federal and state tax filings, and W-2/1099 form preparation. Our systems ensure accurate tax calculations and timely submissions while maintaining compliance with employment tax requirements for small businesses.
Financial Statements
We prepare monthly, quarterly, and year-end balance sheets and operating statements using state-of-the-art accounting software. Our financial reports provide detailed analysis and comparative data to support business performance evaluation and strategic decision-making for small business clients.
Business Tax Returns
We prepare tax returns for all business structures including C corporations, S corporations, LLCs, partnerships, and sole proprietorships. Our services cover both service and manufacturing companies, with expertise in minimizing tax liabilities while ensuring accurate compliance with federal and state tax requirements.
People
Mandy Smiedt
Enrolled Agent
Mandy Smiedt is a federally licensed Enrolled Agent with expertise in individual and business taxation. She specializes in tax strategy, financial planning, and IRS representation, bringing technical proficiency and personalized service to clients through her Manassas-based practice.
Questions
What accounting services do you offer for small businesses?
We provide bookkeeping, financial statement preparation, payroll processing, and tax return services tailored to small businesses of all structures.
Are you qualified to represent taxpayers before the IRS?
Yes, our lead professional is an Enrolled Agent (EA), the highest credential awarded by the IRS for tax expertise and representation.
How does your Online Office benefit clients?
Our Online Office provides secure access to financial calculators, tax news updates, and personalized financial tools for active client participation in financial management.
What tax planning services are available?
We offer long-term tax strategy development, annual forecasting, and mid-year adjustments to help individuals and businesses optimize their tax positions.
Do you handle both individual and business tax returns?
Yes, we prepare thousands of individual tax returns annually and serve diverse business structures including corporations, LLCs, and partnerships.