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Your Trusted CPA Partner in Woodstock & Atlanta
At Simpson & Simpson Accounting, we pride ourselves on delivering straightforward, high-quality CPA services tailored to meet the unique needs of our clients. Founded by Josh and Monica Simpson, our firm combines military discipline with professional excellence to provide comprehensive tax, accounting, and audit solutions. With decades of combined experience from top-tier firms like Ernst & Young and PricewaterhouseCoopers, we specialize in helping businesses optimize profitability, reduce risk, and achieve long-term financial success.

Our commitment to transparency, personalized service, and cutting-edge accounting practices ensures clients receive actionable insights and reliable support. Whether resolving IRS issues, preparing financial statements, or guiding strategic tax planning, we prioritize client education and proactive communication to build lasting partnerships rooted in trust and expertise.
Services
Tax Services Bookkeeping Audit Services Accounting Services BOI Reporting
Highlights and features
  • We offer decades of Big Four accounting experience at accessible rates.
  • Our team specializes in S-Corp tax strategies to save thousands in self-employment taxes.
  • We provide transparent, jargon-free financial guidance tailored to your business needs.
  • Our veteran-led approach combines discipline with personalized client service.
  • We handle complex IRS resolutions and audit preparations with proven expertise.
What people say
Impressed with professionalism Helped get books back on track Painlessly caught up on taxes Timely follow-up for deductions Immediate availability for communication
Services
Tax Services
We provide comprehensive business and individual tax preparation with strategic planning to minimize liabilities. Our team specializes in S-Corp conversions, IRS resolutions, and audit defense. Clients benefit from customized tax-saving strategies tailored to their unique financial situations.
Bookkeeping
Our bookkeeping services ensure accurate financial records through bank reconciliations and monthly statement preparation. We correct QuickBooks errors and implement systems to prevent IRS audits. Clients receive clean financial data for informed business decisions.
Audit Services
We conduct financial statement audits, reviews, and compilations for regulatory compliance and loan requirements. Our procedures include internal control assessments and third-party confirmations. Clients gain credible financial reporting for stakeholders and lenders.
BOI Reporting
We assist with Beneficial Ownership Information filings under the Corporate Transparency Act. Our service includes report preparation and compliance guidance to avoid penalties. Clients receive secure document handling and timely submissions.
Accounting Services
We offer full-cycle accounting support including financial statement preparation and internal control development. Our team transitions cash-basis records to accrual accounting. Clients access cloud-based systems for real-time financial insights.
People
Josh Simpson
Managing Partner
CPA and Iraq War veteran with Big Four experience. Specializes in tax strategy and IRS resolutions. Focuses on helping businesses grow through financial optimization.
Monica Simpson
Partner
12+ years corporate accounting experience. Expert in restaurant accounting and financial reporting. Committed to client education and transparent communication.
Bill McDevitt
Retired CPA
15+ years public accounting experience. Specializes in tax compliance and financial reporting. Provides advisory support for complex client needs.
Matthew A.
Tax Manager
CPA with expertise in business tax preparation and compliance. Focuses on accurate filings and strategic tax planning for growing companies.
John G
Business Manager
Manages day-to-day operations and client relations. Ensures efficient service delivery across all accounting and tax engagements.
Questions
What accounting software do you support?
We specialize in QuickBooks Online and Desktop, providing setup, cleanup, and ongoing support for accurate financial management.
Can you help with IRS tax debt?
Yes, we resolve IRS issues including back taxes, audits, and payment plans to reduce liabilities and restore compliance.
Do you offer virtual consultations?
We provide remote meetings via phone or email for tax planning, accounting advice, and compliance guidance.
What is BOI reporting?
Beneficial Ownership Reporting under the Corporate Transparency Act requires disclosing company owners. We handle filings to avoid penalties.
How do you handle audit preparation?
We conduct internal control assessments, document testing, and financial statement reviews to ensure audit readiness and compliance.
What industries do you serve?
We work with construction, real estate, restaurants, law firms, nonprofits, and technology companies for tailored accounting solutions.
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