Mercer Flanagan & Company is a CPA firm in Frederick, MD serving individuals and small businesses with tax and accounting support. The firm’s work includes individual and business tax preparation, tax planning, bookkeeping, payroll, sales tax, and help with IRS notices and audits.

Its listed specialties include non-profit tax, estate and trust tax, multi-entity tax situations, and financial statement preparation. Mercer Flanagan also supports clients with QuickBooks setup and training, monthly bookkeeping, new business formation, and fractional CFO services. Services may be available in person, remotely, or through monthly retainer arrangements.

The source materials describe a relationship-focused approach with year-round consultation for tax and accounting questions, especially for clients who need ongoing support beyond a single filing season.