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(571) 495-2227 | CPA Firm License: 134476
BAS Certified Public Accountant Firm
Experts and advisers in business and not-for-profit accounting, tax, financial reporting, auditing and reviews.
Core Services
Not-for-Profit Organization F990 Compliance
International Tax and Foreign Asset Reporting
International Tax and Foreign Asset Reporting
Our CPA firm assists tax-exempt organizations to prepare and file timely Form 990 tax returns to ensure that the organization's activities, governance and detailed financial information are properly reported to U.S. tax authorities.
International Tax and Foreign Asset Reporting
International Tax and Foreign Asset Reporting
International Tax and Foreign Asset Reporting
Our staff provides the expertise that your organization requires to ensure that your financial statements and tax filings meet with the accounting standards stipulated by U.S. accounting regulators and U.S. tax authorities.
Tax strategy, preparation and filing services
International Tax and Foreign Asset Reporting
Tax strategy, preparation and filing services
Our dedicated tax professionals can assist you with tax structuring, planning, preparation, filing and other needs, including IRS notice responses. Whether you're the owner or manager of a business, an officer of a Not-for-Profit organization or individual our tax professionals can be of assistance.
Multinational Business Support
Accounting and Financial Reporting
Tax strategy, preparation and filing services
With over a decade of experience in foreign entity reporting and tax filings, our firm provides multinational business clients critical expertise and assistance in preparing required U.S. financial statements and tax filings in accordance with the standards stipulated by U.S. accounting regulators and U.S. tax authorities.
Accounting and Financial Reporting
Accounting and Financial Reporting
Accounting and Financial Reporting
BAS CPA assists businesses and not-for-profit organizations to more easily and effectively manage their accounting, financial reporting, and compliance needs.
Our staff continuously strive to enhance our clients' bottom line through cost effective accounting and reporting of programs, operating costs, employee expenses, management costs,
BAS CPA assists businesses and not-for-profit organizations to more easily and effectively manage their accounting, financial reporting, and compliance needs.
Our staff continuously strive to enhance our clients' bottom line through cost effective accounting and reporting of programs, operating costs, employee expenses, management costs, payroll, taxes, and costs associated with overhead including benefits, equipment and software.
Efficient and Productive
Accounting and Financial Reporting
Accounting and Financial Reporting
Our consistent track record of uncompromising ethics instills confidence and trust. We use cutting edge technologies to stay abreast of trends and changes in the financial world. This allows us to respond quickly, and to better assist you with achieving financial goals for you or your business.
Knowledge and Leadership
Industry Knowledge
Industry Knowledge
Industry Knowledge
Our firm leverages extensive industry knowledge and experience to provide proactive advice and support to clients on key financial matters including financial audits and reviews, financial statement preparation and consolidation, tax planning and preparation, accounting, payroll and bookkeeping, employee stock compensation, complex equit
Our firm leverages extensive industry knowledge and experience to provide proactive advice and support to clients on key financial matters including financial audits and reviews, financial statement preparation and consolidation, tax planning and preparation, accounting, payroll and bookkeeping, employee stock compensation, complex equity transactions, revenue recognition, capitalization and SEC requirements.
Leadership
Industry Knowledge
Industry Knowledge
With nearly 20 years of tax, accounting and business advisory experience our combined technical expertise in public accounting and experience with international corporations, small to medium sized businesses and not-for-profit organizations underlies the firm’s ability to develop accounting, tax, financial reporting solutions and strategies for clients in the U.S. and around the world.
Big 4 Experience
Your Success is Our Success
Your Success is Our Success
Our CPA firm's tax, accounting and audit practices are led by Karen Crosswhite, CPA (CPA License #47387). Ms. Crosswhite has led accounting, tax, auditing, and financial consulting engagements for more than a decade. Prior to BAS CPA, Ms. Crosswhite worked in three of the four leading US accounting firms: Ernst & Young, Deloitte and Pr
Our CPA firm's tax, accounting and audit practices are led by Karen Crosswhite, CPA (CPA License #47387). Ms. Crosswhite has led accounting, tax, auditing, and financial consulting engagements for more than a decade. Prior to BAS CPA, Ms. Crosswhite worked in three of the four leading US accounting firms: Ernst & Young, Deloitte and PricewaterhouseCoopers (PwC). Working with these firms, she led accounting, audit and international tax practice engagements for clients including Marriott Corporation, Watson Wyatt, Rosetta Stone, PRA Health Sciences, Linear Tech, Nextel International, eBay, E-Trade, MARS Corporation, Airbus and Fannie Mae.
Ms. Crosswhite's technical background includes a Bachelor's degree in Accounting from the University of Maryland College Park, a Master's degree in Accounting from George Mason University and Graduate Certificate in Forensic Accounting from George Mason University.
Your Success is Our Success
Your Success is Our Success
Your Success is Our Success
Growing your business and serving your customers each day, month and year are your strengths. Ours are managing, processing and keeping track of all facets of accounting, financial reporting and tax compliance for U.S. and multinational companies of all sizes (from small to medium to large), not-for-profit organizations and individuals.
Growing your business and serving your customers each day, month and year are your strengths. Ours are managing, processing and keeping track of all facets of accounting, financial reporting and tax compliance for U.S. and multinational companies of all sizes (from small to medium to large), not-for-profit organizations and individuals. Our trusted experts and Certified Public Accountant are available to help you with your accounting, financial reporting and tax compliance needs.
Community Engagement & Recognition
Awards
- BAS Accounting Services, CPA Firm Awarded Chamber Excellence Award by the Greater Reston Chamber of Commerce | June 27, 2019 (Learn More)
- BAS Accounting Services, Certified Public Accountant Firm nominated for ACE Awards for Chamber Excellence by the Greater Reston Chamber of Commerce. (Learn More)
- Recipient of Shrivastava GovCon Scholarship at GMU | December 2018 (Learn More)
Speaking Engagements
- New Tax Deductions Under Section 199A | October 30, 2019: Real Estate and Construction Conference, Greater Washington Society of CPAs, Washington, DC.
- International Tax and Global Profit Shifting | June 19, 2019: Republic of Work , Cork Ireland.
- Small Business Strategies Under the Tax Cuts and Jobs Act (TCJA) | May 6, 2019: Loudoun Small Business Conference, Dulles, Virginia.
- Tax Changes for Business Owners and Individuals | January 19, 2019: Cascades Library, Sterling, Virginia.
- Tax Changes for Individual Taxpayers | December 12, 2018: Ashburn Library, Ashburn, Virginia.
- New Tax Law Section 199A Deduction for Pass-through Business | December 5, 2018: Sandy Spring Bank, Leesburg, Virginia.
- Taxes and Financial Reviews for Commercial Real Estate Buyers and Sellers | October 12, 2018: Mid Atlantic Real Estate Marketing Association Annual Meeting, Flintstone, Maryland.
Media Mentions
- BAS Certified Public Accountant Firm partner featured in George Mason University School of Business 'Leveling Up' publication (Read the full article at https://business.gmu.edu/news/2197-leveling-up/) George Mason University | December 02, 2020.
- Katherine Johnson Dias. “Shrivastava GovCon Scholarship Recipient Committed to Serving Community as CPA, Business Owner.” George Mason University | December 17, 2018. (Learn More)
Professional Memberships
