Whether you're a downtown small business owner, a Fort Detrick employee or contractor, or a Frederick County family managing investments and estate planning, we handle the returns that actually require a CPA.
We're not a satellite office or a regional outpost — Frederick is where Mercer Flanagan has been based since 1971. From downtown's historic small businesses to the biomedical researchers and contractors at Fort Detrick to families across the county, we've spent over 50 years getting to know the people and businesses that make this city what it is.
We handle your entire tax return from start to finish, finding every deduction while you relax knowing it's done right.
Take business taxes completely off your plate — we handle everything so you can focus on running your business.
Navigate complex estate and trust taxes with specialists who handle what other firms won't touch.
Get your books organized and learn to use QuickBooks effectively with hands-on training from experienced CPAs.
Professional financial statements and bookkeeping services for businesses that need compliance documentation.
We prepare Form 990 filings and handle tax compliance for non-profit organizations of all sizes, keeping them in good standing without the headache.
We work with individuals and businesses throughout the year to create proactive tax strategies that reduce your tax liability and maximize deductions.
Get strategic CFO-level guidance without the full-time salary — monthly financial oversight and planning from an experienced CPA.
A few things we hear most often from clients right here in Frederick
Both. Since we're based right here at 1509 Homestead Avenue, Frederick clients are welcome to come in for an in-person meeting whenever that's easier, but we also work with plenty of local clients entirely remotely through secure document upload, video calls, and e-signatures. Whichever you prefer, we make it work.
It can. Whether you're active duty, a federal civilian employee, or work for one of the many contractors supporting Fort Detrick's biomedical and research mission, your income may include allowances, benefits, or contract-based pay that needs to be handled correctly. We work with Fort Detrick-connected clients regularly and know what to look for.
Downtown Frederick businesses often deal with historic district renovation rules, Arts and Entertainment District tax incentives, and a retail or restaurant-driven revenue pattern tied closely to foot traffic and seasonal events. We help downtown business owners make sure they're capturing every credit and deduction specific to operating in this part of the city.
A national chain assigns you whoever's available that day, and software doesn't know Frederick County or Maryland-specific provisions the way a local CPA does. We've been part of this community since 1971, and the same CPA who prepares your return this year is the one you can call next year with a question.
Book a free consultation and we'll tell you honestly whether we can help — and what it would cost. No pressure, no obligation.
Book a Free Consultation