CPA Tax Director

Sean McQuarrie

sean.mcquarrie@askfrost.com
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Bar Admissions/Licenses

Court Admissions

Background & History

Sean is a Certified Public Accountant specializing in estate and trust taxation as well as planning and compliance for high-net-worth individuals. His range of expertise also includes dealings with private foundations, gift and generation-skipping transfer taxation, charitable giving and other estate planning matters.

Sean is known by clients and colleagues alike for his reliability, positive attitude, and calm, approachable demeanor. His goal is to reduce client stress through exceptional service and careful attention to a client's needs.

Sean is a graduate of the Boston University Questrom School of Business where he received his undergraduate degree in Accounting, and also holds a Master of Taxation degree from the Georgia State University Robinson College of Business. Sean is a member of the American Institute of Certified Public Accountants, the Maryland Association of Certified Public Accountants, and several local estate planning associations.

Outside of the office, Sean enjoys spending time with his wife and two young children and is a passionate Boston sports fan.

Education

  • Boston University, Questrom School of Business, 2010, Accounting/BSBA
  • Georgia State University, Robinson College of Business, 2015, Master of Taxation

Speaking Engagements & Panel Participation

Publications

Professional Organizations & Memberships

Awards and Honors

Client testimonials

Really appreciated the streamlined and prompt service.

Amber W.

Well done and very competent and professional

Carole M.

Glen and the folks at Frost & Associates are honest, knowledgeable and dedicated attorneys who are willing to go the extra mile for their clients.Their passion for the law, coupled with their unwavering loyalty to their clients makes them an ideal choice for any client in need of legal advice or representation.

Andre M.

Client testimonials

Professional and effective. Realistic, methodical planning and execution. After no luck with several companies that claimed huge results, I was referred to Frost and Associates, LLC by a friend that had gone though a similar situation. I have been impressed the whole way through. They are prepared with the next strategy when one doesn't go as planned. They are honest and up front about the possible scenarios and are great with communication.

William T.

I had an excellent experience working with Frost Law, especially with Heather Posey. She expertly handled my complex tax situation with exceptional thoroughness, deep expertise, and unwavering professionalism. Heather went above and beyond to make sure I felt supported throughout the entire process, demonstrating true empathy for my concerns. I was impressed by how efficiently she completed my case in a very timely manner. I highly recommend Heather Posey and the entire Frost Law team to anyone seeking knowledgeable, compassionate, and effective assistance with tax issues.

Janet V.

"Great folks. Mr. Frost and Associates are professional and very knowledgeable. They helped my wife and I out with some outstanding IRS issues with a close family member."

Jeff P.

Great communication made a troubling time easy def recommend

James G.

Client testimonials

I got my questions answered in record time. Thanks so much!

Daniel G.

I'm an attorney in Oregon and I hired Frost Law to assist with a legal tax matter. As a legal professional, the lawyers and staff at Frost Law are top tier. I was kept informed during every step of the process, and they did what they said they would. If you need tax help, you've found the right firm. There is no need to call any where else. Frost Law will fight for you and do their best!

Aaron T.

I found all of the various staff that I interacted with to be exceptionally helpful and understanding of my limited technical abilities on some of the functions that were required to process my Employee Retention Credit claim. I would recommend this firm to any business or individual needing legal advice! Mike Roach/co-owner of Paloma Clothing for the past 50 years.

Mike R.

Very communicative and no use of "legaleze" to describe tax situations/complexities!

Keith M.
CPA Tax Director

Sean McQuarrie

Precision

Every detail matters in litigation

The difference between winning and losing often comes down to what you noticed that others missed. I don't overlook anything.

Clarity

You need to understand your options

Legal jargon clouds judgment. I explain your situation plainly so you can make decisions with full knowledge of what's at stake.

Specialties

Six practice areas, one standard

The law doesn't fit neatly into boxes, but the problems people face do. I've spent years learning what works in each arena.

Criminal

Defense when the stakes run highest

The first hours after arrest determine everything. I know how to protect your rights when it matters most.

Family

Custody and divorce require clear thinking

Family law isn't about winning. It's about protecting what matters most to you and your children.

Business

Contracts and disputes demand precision

Most business problems start with unclear agreements. I help prevent them before they become costly litigation.

Appeals

Winning on appeal requires different strategy

Appeals aren't about retrying your case. They're about finding what was missed and making it matter.

Employment

Your rights at work deserve aggressive defense

Employers count on you not knowing your rights. I make sure you do and that they're protected.

White collar

Complex cases need someone who understands

Federal charges and financial crimes require specialized knowledge. I know how to navigate the details that prosecutors rely on.

Foundation

Decades of courtroom work shaped my approach

I've seen what wins cases and what doesn't. The difference lies in preparation, clarity, and the willingness to challenge every assumption. Your case deserves someone who knows the weight of these decisions.

Strategy that works

Every case demands a fresh look and a willingness to question everything.

Results matter most

What you need is someone who knows how to win and won't settle for less.

Direct and honest

No promises you can't keep, no strategies that don't serve your interests.

Trusted by clients across every practice area

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Criminal defense

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Family law

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Business law

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Advocate

Built on experience and honest counsel

Twenty years in the courtroom taught me that the best legal strategy is the one that works. I listen first, act decisively, and never waste time on anything that doesn't serve your case.

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Client testimonials

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Marcus Webb
Defendant, criminal case
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