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Meet Erin

Erin Santossio

Erin Santossio CPA, MST

Since 2007, Erin has leveraged her corporate tax expertise to support MFA’s customers in solving the challenging tax problems that keep them up at night. A leader in the Firm’s Corporate Tax Practice, Erin’s specialties include ASC 740 Tax Provisions, ASC 740-10 Accounting for Uncertainty in Income Taxes analysis, state-level tax exposure, R&D credit opportunities and tax planning considerations. Erin attended Bentley University where she earned her Bachelor’s Degree in Accountancy and Master’s Degree in Taxation.

  • Insightful
  • Perceptive
  • Motivated

Notable Matters

C-corps we advise regarding complex tax planning & compliance, audit, valuation & transactions

MFA collaborates with customers operating in all 50 U.S. states

Life sciences companies we support, including biotech, pharma, med device & more

Technology companies we work with to provide a full-spectrum of financial solutions

Software and software-as-a-service (SaaS) companies we support in their pursuit for financial vitality

Areas of Focus

c-corps business tax international tax asc 740 accounting for income taxes R&D Tax Credits mergers & acquisitions state & local tax high tech life sciences tax provisions

Our first and most important priority is supporting and growing the financial vitality of our customers and their businesses. And how we go about supporting them in engineering that growth is unlike any other relationship they’ll encounter.

The relentless determination of our customers inspires all of us at MFA to develop and discover new and better ways to help foster their continued success.

We at MFA see the challenge, the unknown, the ambiguity, not as an obstacle but as an opportunity.

At MFA, we’re a team of voyagers and explorers, chasing and embracing the unknown with the goal of making a difference in the lives of our customers and their families.

At the end of the day, it’s not just about filing tax returns, it’s about teammates. It’s not just about conducting audits, it’s about allies. Being a partner and not a vendor. This is the philosophy that guides how MFA works with each and every customer.

We don’t want to spend time looking in the rear-view mirror when we could be charging forward. Neither do our customers. That’s why we always have our eye on the future as their opportunities, their businesses and their personal lives evolve.

Spirit animal
Who would play you in a movie about your life?
Sandra Bullock
What’s the best way to start the day?
Without an alarm clock
Who brings you the most joy?
My son, Jack

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