Google Reviews · Frederick, MD

What Our Clients Say About Mercer Flanagan

Real reviews from real Frederick County business owners, families, and nonprofits who trust us with their taxes year after year.

★★★★★ 5.0 · 7 Google Reviews
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Riza Kodheli

Frederick, MD · 4 months ago
★★★★★

"Roy Cogliandolo is an excellent CPA and a genuinely good person to work with. He is highly knowledgeable, reliable, and always willing to help and explain things clearly. Roy has strong expertise in tax preparation and planning, consistently handling returns accurately and efficiently. He is also very skilled with QuickBooks, providing clear, organized bookkeeping and practical guidance. I learned a lot working under his leadership and truly appreciated his professionalism, integrity, and attention to detail."

Tax Preparation & QuickBooks
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Hilario Rios

Frederick, MD · 4 months ago
★★★★★

"I have known Roy Cogliandolo for over 16 years. I run a bookkeeping business and regularly refer my clients to him for tax filings. He is very professional, knowledgeable, and trustworthy. I highly recommend him for both business and personal tax services."

Business & Personal Taxes
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BJ Borden

Frederick, MD · 4 months ago
★★★★★

"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."

Business Taxes · Long-Term Client
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Ryan Codd

Frederick, MD · 4 months ago
★★★★★

"I was referred to Roy because I felt that my current CPA could have done better. With Roy's knowledge my business was able to qualify for deductions that I didn't get in the past and saved the company a lot of money. Call and ask for Roy."

Business Tax Deductions
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Edward Daniel

Frederick, MD · 4 months ago
★★★★★

"Mr. Roy Cogliandolo (CPA) is the best accountant I have ever worked with. Maximizing deductions and understanding tax laws is his expertise and it shows. Great price. Thank you!!!!!!!"

Tax Preparation
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Evelyn Sotelo Nunez

Local Guide · 2 hours ago
★★★★★

"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!"

Business Tax Planning
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