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Firm Overview

Counsel Worthy of Your Ambition

Walter Shuffain Advisors is an independent accounting and advisory firm based in Boston, Massachusetts, serving business owners, investors, and individuals across New England and beyond—with deep expertise in real estate, high-net-worth individuals, and complex businesses.

We provide tax, attest, finance and accounting solutions, consulting, and private client services—from tax planning and entity structuring to controller services, fractional CFO, estate planning, and wealth strategy. Whatever the complexity, we match it with clarity and responsiveness.

Every engagement at Walter Shuffain is partner-led. Senior partners stay involved from start to finish, answer their own phones, and serve as trusted advisors across every aspect of a client’s business—not just the technical work.

Our Heritage

Walter Shuffain’s white-glove advisory culture goes back decades—rooted in a tradition established by founding partners who built their practices serving New England’s most prominent business families. Clients who already operated alongside top-tier legal and management teams expected that same caliber from their accountants. That’s the standard we were trained on, and it’s the standard we deliver today.

Meet Our Partners

Why Clients Choose Walter Shuffain

Your First Call for Everything

Our clients call us about hiring decisions, financing, cash flow, benefits, personal financial matters—not just their returns. We answer, we discuss, and we find the solution.

Partner-Led, Every Engagement

No hand-offs. No layers. Your partner knows your business and stays involved. When you call, the person with the answers picks up.

Ahead of the Curve

Tax code changes, economic shifts, industry trends—we identify the impact and bring solutions to our clients while other firms are still catching up.

Expertise You Can Understand

We handle the most complex technical work our clients bring us. We also explain it in a way that makes sense for your business. No jargon. No black boxes.

Sincerely Invested

Our partners take pride in their clients’ success. We bring the same rigor to our relationships as we do to our work—our clients know us, trust us, and enjoy working with us.

What We Commit To

Walter Shuffain is one of the top-rated accounting and advisory firms in Boston because of how we treat our clients—not just the quality of our technical work, but the experience of working with us.

Every commitment is specific and auditable. These aren’t aspirations. This is how we operate.

Our Commitments

Every engagement is led by a senior partner. You will never be handed off to someone who doesn’t know your business.

When something matters, you hear back the same day. We hold ourselves to response-time standards that are uncommon in this industry.

When clients bring us a challenge, we don’t say no—we find a path. If something can be done, we’ll find the way. If it can’t, we’ll explain why and guide you to the right alternative.

We don’t wait for tax season to think about your business. We monitor regulatory changes, market conditions, and industry trends continuously—and bring you solutions before issues become urgent.

Complex tax planning, multi-entity structures, estate and trust strategy—we handle it all. And we explain it in language that clicks with how you think about your business.

We don’t silo our thinking to tax filings and financial statements. Our partners advise on hiring, financing, operations, growth, and personal financial decisions alongside the technical work. That’s why we’re the first call.

Our Promises

To Our Clients

Client service isn’t just a priority—it’s a passion. Our promise is simple: world-class expertise, high-quality deliverables, and exceptional service at every touchpoint. In return, we seek your commitment to strong communication, mutual respect, and a shared desire for success. The best client relationships are partnerships, and we earn ours every day.

To Our Team

We promise a challenging yet supportive environment where you grow, learn, and accelerate your career. Open, honest feedback. Rich development experiences. Direct exposure to complex engagements and sophisticated clients from day one. In return, we expect you to own your career, collaborate effectively, and make excellence a habit.

To Our Community

We are transforming the stereotype of the accounting profession. We are forward-thinking, innovative business leaders who care deeply and give back to the communities in which we operate.

By the Numbers

  • 120+ Professionals
  • 18 Partners
  • 2 Offices in Massachusetts
  • BDO Alliance USA Member

Awards & Recognition

IPA Top 200 Firm

Ranked for four consecutive years, reaching #178 nationally in 2024.

IPA Fastest-Growing Firm

Recognized by Inside Public Accounting for sustained year-over-year growth.

Best Firm for Young Accountants

IPA Best of the Best Firm

Named among the top 75 accounting firms in North America by Inside Public Accounting. Seven-time honoree, most recently in 2025.
BDO ALLIANCE USA

Global Resources. Personal Relationship.

Walter Shuffain Advisors is an independent member of BDO Alliance USA, a nationwide association of independently owned accounting, consulting, and service firms.

When an engagement calls for resources, expertise, or reach beyond what any single firm provides, our clients have access to BDO’s national and global network—without losing the personal, partner-led relationship that defines Walter Shuffain.

What this means for clients:

  • Specialized consulting services across industries and disciplines
  • National and international reach for multi-location engagements
  • Industry benchmarking data and research
  • Access to the BDO Business Resource Network

You still work with us. Your partner, your team, your relationship. The BDO Alliance gives us additional resources when your needs call for them.

View Our Services

The BDO Alliance USA is a subsidiary of BDO USA, P.A., a Delaware professional service corporation. At BDO, our purpose is helping people thrive, every day. Together, we are focused on delivering exceptional and sustainable outcomes for our people, our clients and our communities. Across the U.S., and in over 160 countries through our global organization, BDO professionals provide assurance, tax and advisory services for a diverse range of clients.

BDO is the brand name for the BDO network and for each of the BDO Member Firms. BDO USA, P.A., a Delaware professional service corporation, is the U.S. member of BDO International Limited, a UK company limited by guarantee, and forms part of the international BDO network of independent member firms.

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Walter Shuffain is the brand name under which Walter Shuffain Advisors Inc. and WS CPAs P.C. provide professional services. Walter Shuffain Advisors Inc. and WS CPAs PC practice in an alternative practice structure in accordance with the AICPA Code of Professional Conduct and applicable law, regulations and professional standards. WS CPAs PC is a licensed independent CPA firm that provides attest services to its clients. Walter Shuffain Advisors Inc. and its subsidiary entities, which are not licensed CPA firms, provide tax, advisory, and other non-attest services to its clients. The entities are independently owned and governed and are not liable for the services provided by any other entity providing the services under the Walter Shuffain brand. Our use of the terms “our firm” and “we” and “us” and terms of similar import, denote the alternative practice structure conducted by WS CPAs PC and Walter Shuffain Advisors Inc.

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