CPA & Tax Accountant Serving Germantown MD | Mercer Flanagan

Built for Germantown's Diverse Working Community

Whether you're a Germantown family with a federal job and a side business, a small business owner serving the community, or a household with income crossing state lines we handle the returns that chains can't

Germantown Maryland commercial area

Full-Service Tax & Accounting Solutions for Germantown

Germantown is one of Montgomery County's most hardworking communities — diverse households, small businesses, and working families who deserve a CPA that gets their return right the first time and keeps more money where it belongs.

Individual Tax Prep

We handle your entire tax return from start to finish, finding every deduction while you relax knowing it's done right.

  • Personal CPA interview every year
  • CPA review for maximum accuracy
  • Year-round question support
  • Specialize in complex investment returns

Small Business Tax Returns

Take business taxes completely off your plate — we handle everything so you can focus on running your business.

  • Complete business tax management
  • Quarterly planning and estimates
  • Multi-entity expertise
  • Responsive year-round support

Estate & Trust Tax Services

Navigate complex estate and trust taxes with specialists who handle what other firms won't touch.

  • Estate and trust specialization
  • Complex situation expertise
  • Probate and inheritance guidance
  • What other firms avoid, we handle

QuickBooks Support & Training

Get your books organized and learn to use QuickBooks effectively with hands-on training from experienced CPAs.

  • QuickBooks setup and training
  • Troubleshooting support
  • Business owner focus
  • Ongoing consultation available

Financial Statement Compilations

Professional financial statements and bookkeeping services for businesses that need compliance documentation.

  • Compiled financial statements
  • Monthly bookkeeping available
  • Bank-ready documentation
  • Professional CPA preparation

Non-Profit Tax Returns

We prepare Form 990 filings and handle tax compliance for non-profit organizations of all sizes, keeping them in good standing without the headache.

  • Form 990 preparation
  • Non-profit compliance support
  • Tax-exempt status support
  • Professional CPA tax preparers

Individual or Business Tax Planning

We work with individuals and businesses throughout the year to create proactive tax strategies that reduce your tax liability and maximize deductions.

  • Tax projections for businesses and individuals
  • Multi-state tax planning
  • Change of entity or year-end planning
  • Year-end tax planning

Fractional CFO Services

Get strategic CFO-level guidance without the full-time salary — monthly financial oversight and planning from an experienced CPA.

  • Monthly financial reporting
  • Cash flow forecasting
  • Budget preparation and analysis
  • KPI tracking and board reporting

Questions Germantown Clients Ask Us

A few things we hear most often from clients in the Germantown area

I have a federal job and a side business. How should I handle taxes for both?

Federal employees running a side business need to report that self-employment income alongside their W-2 wages, track business expenses separately, and often make quarterly estimated payments since nothing is withheld on the side income. We help Germantown's many federal employees keep both income streams properly separated and correctly reported.

I work in DC but live in Germantown. Does that change how I file?

Maryland and DC have a reciprocity agreement, so most Germantown residents working in DC file as Maryland residents and aren't subject to DC income tax withholding if the proper exemption form is on file with their employer. We confirm this is set up correctly, since incorrect withholding is one of the most common issues we see with DC commuters.

I run a small business serving the local community. When should I bring in a CPA instead of doing it myself?

Many Germantown small business owners start out handling their own books and taxes, which works fine early on. Once you're managing payroll, dealing with quarterly estimates, or your net profit reaches a point where an S-Corp election would meaningfully reduce your tax bill, that's usually the right time to bring in a CPA rather than risk a costly mistake.

Do you work with Germantown clients remotely, or do we need to come into your Frederick office?

Most Germantown clients work with us entirely remotely — secure document upload, video calls, and e-signatures cover nearly everything. We're glad to meet in person if you'd prefer, but the drive has never been a barrier for the clients we already serve there.

Ready to Talk to a Germantown-Area CPA?

Book a free consultation and we'll tell you honestly whether we can help — and what it would cost. No pressure, no obligation.

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