Frederick, MD CPA · Mercer Flanagan
Everything you need in one place — IRS tools, Maryland state portals, personal finance calculators, and Mercer Flanagan resources.
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Log In to Client PortalDirect links to the most frequently used IRS tools and federal portals. Bookmark this page and you'll always know where to go.
Check the status of your federal income tax refund. Updated once daily, usually overnight.
irs.gov/refunds 💳Pay your federal taxes directly from your bank account — no registration required. Use for estimated payments, balances due, or extensions.
irs.gov/payments/direct-pay 🧮Find out if you're having the right amount withheld from your paycheck. Useful after a job change, marriage, or new child.
irs.gov/W4app 🔐View your tax balance, payment history, transcripts, and IRS notices online. You'll need a photo ID to verify through ID.me. Once set up, you can make payments, request transcripts, and respond to notices all in one place.
IRS Online Account 📅Set up a monthly installment agreement with the IRS online if you can't pay your balance in full.
IRS Online Payment Agreement 🏢Get your Employer Identification Number online instantly. Required for new businesses, hiring employees, or opening a business bank account.
IRS EIN ApplicationMaryland has its own set of filing requirements separate from the IRS. These are the official portals every Maryland business and individual taxpayer needs. See our Maryland Tax Guide for a full breakdown of state obligations.
Check the status of your Maryland state income tax refund from the Comptroller of Maryland.
Maryland Refund Status 💳Pay Maryland income tax, estimated taxes, and balances due online through the Comptroller's individual and business tax portal.
Maryland Tax Connect 🔎Look up any Maryland business entity to verify Good Standing status, registered agent, and filing history.
SDAT Entity Search 📋File your SDAT Annual Report, Personal Property Tax Return, and register or update your business entity — all in one place.
businessexpress.maryland.gov 🛒File and pay Maryland sales and use tax returns online. Required for most businesses with over $100 in monthly tax due.
Maryland bFile 👷File quarterly unemployment insurance wage reports and make payments as a Maryland employer through the BEACON system.
beacon.labor.maryland.govUseful portals and calculators for running your business day to day.
Log in to your QuickBooks account to manage your books. Questions about setup or cleanup? Our team offers QuickBooks support and training.
QuickBooks Login 💼Current federal and state minimum wage rates and Department of Labor compliance resources for Maryland employers.
dol.gov/whd 🏛️Official Comptroller guidance on Maryland's Pass-Through Entity tax election for S-Corps and partnerships.
Maryland PTE Resources 🏢IRS guidance on S-Corp elections, Form 2553, and S-Corp filing requirements. See also our S-Corp vs. LLC guide.
IRS S-Corp ResourcesHelpful calculators for individuals planning ahead — whether you're buying a home, managing student loans, or thinking about retirement.
Calculate your monthly mortgage payment based on loan amount, interest rate, and term. Useful for home purchase planning and refinance decisions.
Mortgage Calculator 🎓Compare repayment plans, estimate monthly payments, and explore forgiveness options for federal student loans at studentaid.gov.
studentaid.gov/loan-simulator 👴Get a personalized estimate of your future Social Security retirement benefits based on your actual earnings record.
SSA Benefits Estimator 📈Project how much you'll need to retire and whether your current savings rate will get you there.
Retirement Calculator 📊Find your 2025 and 2026 federal income tax bracket and estimate your effective tax rate based on your income.
Tax Bracket Calculator 🚗Estimate monthly payments on a vehicle purchase. Relevant for business owners considering the new auto loan interest deduction under the One Big Beautiful Bill Act.
Auto Loan CalculatorGuides, tools, and pages built specifically for Maryland business owners and families.
Personal Property Tax, SDAT Annual Reports, estimated payments, PTE election, and DC commuter issues — all in one place.
🏢Find out if an S-Corp election could save your Maryland business $7,500 to $20,000+ per year in self-employment taxes.
💰Transparent pricing for individual tax prep, small business tax returns, and monthly bookkeeping packages.
📝Tax tips, Maryland-specific guides, and accounting advice from our Frederick CPA team — updated regularly.
🤝See the industries and client types we specialize in — from contractors and farms to nonprofits and medical practices.
⭐★★★★★ Read what Frederick County business owners and families say about working with Mercer Flanagan.
These tools are a great starting point — but nothing replaces a conversation with a CPA who knows your situation personally. We're available year-round.