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Your Trusted Accountant in Cumming, GA
CDM Business & Tax Services is a locally owned accounting firm in Cumming, GA, led by a federally licensed Enrolled Agent with over 30 years of experience. We specialize in personalized tax preparation, bookkeeping, payroll, and QuickBooks support for individuals and small businesses. Our approach combines deep technical expertise with a commitment to community, offering tailored solutions that simplify financial management. We prioritize accuracy, compliance, and proactive planning to help clients maximize savings and avoid costly mistakes.

With a focus on clear communication and responsive support, we ensure clients feel confident and supported throughout the year. Our services are designed to save time, reduce stress, and provide peace of mind by handling complex financial tasks efficiently. We pride ourselves on building long-term relationships through trustworthy, transparent service that adapts to each client's unique needs.
Services
Individual Tax Preparation Small Business Tax Preparation Bookkeeping Payroll QuickBooks Support
Details
  • Year established: 2025
Highlights and features
  • We offer 30+ years of experience in tax and accounting services.
  • Our team includes a federally licensed Enrolled Agent for IRS representation.
  • We specialize in QuickBooks setup, cleanup, and training.
  • Our services are tailored to the unique needs of North Georgia businesses.
  • We provide year-round support and proactive tax planning.
Associations and certifications
  • Enrolled Agent
  • QuickBooks ProAdvisor
What people say
Accurate filings Responsive support Local expertise Proactive planning Trusted guidance
Services
Individual Tax Preparation
We prepare and file federal and state tax returns for individuals, ensuring accuracy and compliance. Our process includes reviewing past returns for missed deductions, providing audit support, and offering year-round planning to optimize savings. Clients receive personalized guidance to navigate complex tax situations with confidence.
Small Business Tax Preparation
Specialized tax services for small businesses, including Schedule C, LLC, and S-Corp returns. We focus on maximizing deductions, ensuring compliance with changing regulations, and providing entity-type recommendations. Our support extends to IRS representation and proactive planning for long-term financial health.
Bookkeeping
We offer customized bookkeeping solutions, including monthly reconciliations, financial statement preparation, and catch-up services. Our QuickBooks expertise ensures clean, organized records that support informed business decisions. Clients benefit from responsive support and audit-ready documentation.
Payroll Services
Full-service payroll management covering tax calculations, W-2 processing, and compliance filings. We handle setup, error resolution, and recordkeeping to prevent penalties and ensure timely payments. Services include direct support for tax-related inquiries and audit preparation.
QuickBooks Support
QuickBooks setup, cleanup, and training services tailored to small businesses. We fix errors, organize charts of accounts, and provide ongoing support to maintain accurate records. Gold Level Certified ProAdvisor expertise ensures systems are optimized for tax season and daily operations.
People
Danyelle Mullinax
Enrolled Agent & Owner
Danyelle Mullinax, a federally licensed Enrolled Agent with 30+ years of experience, founded CDM Business & Tax Services to provide personalized accounting solutions in Cumming, GA. Her expertise in tax law, QuickBooks, and small business needs drives the firm's client-focused approach. A lifelong resident of Forsyth County, she prioritizes community-driven service and financial clarity for local clients.
Questions
Is hiring a tax professional worth the cost?
Yes. Most clients save money through accurate filings, missed deductions, and avoided penalties, making our services a cost-effective investment.
How can you help small businesses with taxes?
We specialize in business tax returns, entity-type optimization, and compliance support to maximize deductions and reduce IRS risks.
What if my books are disorganized?
We offer catch-up bookkeeping and QuickBooks cleanup services to restore financial clarity and prepare your records for tax season.
Do you work with clients outside Cumming?
We primarily serve Cumming and surrounding North Georgia areas, focusing on local businesses and residents.
How do you handle IRS audits or notices?
As Enrolled Agents, we provide expert representation and guidance to resolve IRS issues confidently and efficiently.
Can you help with payroll tax compliance?
Yes. We manage payroll tax processing, filings, and reporting to ensure compliance and prevent costly errors.
Reviews (1)
Aronijin
Mar 25, 2021 Report
Very pleased with my experience at CDM. Danyelle is very knowledgeable, professional, and punctual. Made the process easy and clearly communicated when I had questions. Would recommend for tax services.