Carroll Creek · Downtown FrederickFrederick MD CPA Tax Preparation, Accounting & Bookkeeping
Tax preparation, bookkeeping, and CFO-level financial guidance for individuals, small businesses, nonprofits, and over 35 industries throughout Frederick County and the surrounding region. Every return is reviewed by a CPA, never offshored.
Physicians & Dentists
Attorneys & Law Firms
Engineers & Architects
Consultants & 1099 Professionals
Real Estate Agents & Brokers
Insurance & Mortgage Professionals
Veterinarians
Therapists, Home Care & Allied Healthcare
Daycare & Childcare Providers
Stylists, Tattoo Artists & Salons
General Contractors & Construction
Plumbers & Electricians
HVAC Contractors
Landscaping & Lawn Care
Masonry, Concrete & Stone
Home Improvement, Drywall, Windows & Glass
Excavating & Site Work
Auto Repair, Body Shops & Dealerships
Trucking, Towing & Transport
Waste Management & Recycling
Restaurants & Food Service
Catering Companies
Wedding & Event Vendors
Farms & Agricultural Businesses
Landlords & Rental Property Owners
House Flippers & Real Estate Investors
Hotels, B&Bs & Short-Term Rentals
Franchise Owners & Multi-Unit Operators
501(c)(3) Nonprofits
Fire Companies & Rescue Squads
Schools, Churches & Faith Communities
Associations & Trade Groups
Animal Rescues & Shelters
HOAs & Community Associations
Civic, Heritage & Service OrganizationsPhysicians & DentistsAttorneys & Law FirmsEngineers & ArchitectsConsultants & 1099 ProfessionalsReal Estate Agents & BrokersInsurance & Mortgage ProfessionalsVeterinariansTherapists, Home Care & Allied HealthcareDaycare & Childcare ProvidersStylists, Tattoo Artists & SalonsGeneral Contractors & ConstructionPlumbers & ElectriciansHVAC ContractorsLandscaping & Lawn CareMasonry, Concrete & StoneHome Improvement, Drywall, Windows & GlassExcavating & Site WorkAuto Repair, Body Shops & DealershipsTrucking, Towing & TransportWaste Management & RecyclingRestaurants & Food ServiceCatering CompaniesWedding & Event VendorsFarms & Agricultural BusinessesLandlords & Rental Property OwnersHouse Flippers & Real Estate InvestorsHotels, B&Bs & Short-Term RentalsFranchise Owners & Multi-Unit Operators501(c)(3) NonprofitsFire Companies & Rescue SquadsSchools, Churches & Faith CommunitiesAssociations & Trade GroupsAnimal Rescues & SheltersHOAs & Community AssociationsCivic, Heritage & Service Organizations4 minutes could change what you pay in taxes.
In this short video, Roy Cogliandolo, CPA explains the specific strategies we use to lower what our clients owe — and what it would look like to put them to work for your business.
Complete tax & accounting services.
One firm for your personal return, your business, your estate planning, and your books — so nothing falls through the cracks between preparers. Not sure how your business should be structured? See our S-Corp vs. LLC guide.
Individual Tax PreparationLearn more →
Small Business Tax & BookkeepingLearn more →
Estate & Trust TaxLearn more →
Non-Profit Tax & BookkeepingLearn more →
Fractional CFO ServicesLearn more →
Tax Planning ServicesLearn more →
QuickBooks Support & TrainingLearn more →
Financial Statement CompilationsLearn more →While other firms treat you like a number, we build relationships.
Most CPAs rush through returns without knowing your situation. We combine personal attention with expert knowledge to deliver results others can't match.
| Mercer Flanagan | National chain | DIY software | |
|---|---|---|---|
| Reviewed and signed by a licensed CPA | — | — | |
| Personal interview every year | — | — | |
| Prepared in the U.S., never offshored | Varies | — | |
| Year-round access to the same person | — | — | |
| Business, estate & nonprofit returns | Limited | Limited | |
| Maryland-specific planning | — | — |
Year-round accessWork with CPAs who know your name and your story.
Stop losing sleep over tax deadlines and deductions.
When you work with us, you gain trusted advisors who know you personally, handle everything expertly, and actively work to save you money — creating the financial confidence that changes how you feel about your entire financial future.
When your CPA doesn't know you, you lose more than money.
Beyond missed deductions, impersonal tax service creates chronic worry, leaves you vulnerable to costly mistakes, and eliminates the peace of mind that comes from a trusted professional relationship.
01 · In personIn person
Sit down with your CPA at our Frederick office for your annual interview.
02 · On ZoomOn Zoom
The same personal interview from your kitchen table, or your job site.
03 · Through the portalThrough the portal
Rather just upload your documents? Our secure portal handles it — and we still call.
We publish our prices because we have nothing to hide.
Individual returns start at $450. Business returns are priced by complexity, bookkeeping status, revenue size, and state filings.
We work with 35+ industries.
From contractors and restaurants to nonprofits and landlords, we know the deductions and rules specific to your business — not just generic tax advice.
Professional ServicesPhysicians & DentistsProfessional ServicesAttorneys & Law FirmsProfessional ServicesEngineers & ArchitectsProfessional ServicesConsultants & 1099 ProfessionalsProfessional ServicesReal Estate Agents & BrokersProfessional ServicesInsurance & Mortgage ProfessionalsProfessional ServicesVeterinariansProfessional ServicesTherapists, Home Care & Allied HealthcareProfessional ServicesDaycare & Childcare ProvidersProfessional ServicesStylists, Tattoo Artists & SalonsTrades & Skilled TradesGeneral Contractors & ConstructionTrades & Skilled TradesPlumbers & ElectriciansTrades & Skilled TradesHVAC ContractorsTrades & Skilled TradesLandscaping & Lawn CareTrades & Skilled TradesMasonry, Concrete & StoneTrades & Skilled TradesHome Improvement, Drywall, Windows & GlassTrades & Skilled TradesExcavating & Site WorkTrades & Skilled TradesAuto Repair, Body Shops & DealershipsTrades & Skilled TradesTrucking, Towing & TransportTrades & Skilled TradesWaste Management & RecyclingSpecialty & Local BusinessRestaurants & Food ServiceSpecialty & Local BusinessCatering CompaniesSpecialty & Local BusinessWedding & Event VendorsSpecialty & Local BusinessFarms & Agricultural BusinessesSpecialty & Local BusinessLandlords & Rental Property OwnersSpecialty & Local BusinessHouse Flippers & Real Estate InvestorsSpecialty & Local BusinessHotels, B&Bs & Short-Term RentalsSpecialty & Local BusinessFranchise Owners & Multi-Unit OperatorsNonprofits & Community501(c)(3) NonprofitsNonprofits & CommunityFire Companies & Rescue SquadsNonprofits & CommunitySchools, Churches & Faith CommunitiesNonprofits & CommunityAssociations & Trade GroupsNonprofits & CommunityAnimal Rescues & SheltersNonprofits & CommunityHOAs & Community AssociationsNonprofits & CommunityCivic, Heritage & Service Organizations
They deliver professional service with a personal touch. I highly recommend Mercer Flanagan to anyone.
Common questions about our tax service.
Clear answers to what most clients ask before making the switch to relationship-based tax preparation.
We believe in transparent, upfront pricing, no surprises. Individual tax returns start at $450. Business tax returns are priced based on several factors that can raise or lower the cost, including business complexity, bookkeeping status, revenue size, and number of state filings. We publish our pricing because we have nothing to hide. See full pricing.
Local Frederick CPA serving Frederick & Montgomery Counties.
Headquartered on Homestead Avenue in Frederick, serving Frederick, Montgomery, and Washington counties. Most work is handled remotely, so clients in Virginia, Pennsylvania, and West Virginia work with us too.
Five-star rated in Frederick.
Trusted by Frederick County business owners, families, nonprofits, and farms for over 50 years.
“What sets Mercer Flanagan apart is their attention to detail and commitment to helping clients make informed financial decisions. Whether you need tax preparation, bookkeeping, payroll services, or strategic tax planning, they deliver professional service with a personal touch. I highly recommend Mercer Flanagan to anyone.”
“I highly refer Mercer Flanagan and Roy Cogliandolo. They go above and beyond for their clients. I have used them for many years. They give me peace of mind when dealing with the headaches of business and personal taxes.”
Expert tax tips from your Frederick CPAs.
Schedule a personal introduction today.
Book a tax & accounting analysis. We’ll tell you honestly whether we’re the right fit, and what it would cost. No pressure, no obligation.
