About Mighty Financial

Mighty Financial is a bookkeeping and accounting firm focused on providing financial guidance, strategic planning, and tactical support to small businesses and startups.

Companies often lack the financial oversight and expertise needed to create sustainable business models, optimize fundraising, and drive value through capital efficiency. We’re here to help.

Success in business boils down to people and relationships

Finance and operations overlap immensely in small organizations. We’re here to work side-by-side with business owners and leaders to help build healthy businesses.

Our Values

Build real relationships

Level up

Have fun

Finish strong

Meet the founder

Andrew Gauthier

President & CFO Consultant

Andrew Gauthier is a dynamic, C-suite executive with significant hands-on financial and operating experience. Andrew’s expertise has amassed from years of launching and scaling-up businesses globally. Andrew is an investor and advisor of small businesses, impassioned by early-stage ventures, sustainable business models, and healthy unit economics. Andrew helped secure $25M+ of equity and debt capital, leading M&A initiatives from identification of targets through due diligence to post-close integration.

Prior to starting Mighty CFO, Inc., Andrew was the Head of Finance at Botkeeper. A member of both the founding and executive teams, he was instrumental in the creation and rapid growth of the organization. Botkeeper raised a $4.5M Seed Round, grew to over 100 global employees and closed an $18M A Round. 

Previously, Andrew launched and operated a boutique tax and consulting firm. His early career exposed him to a variety of industries and organizations. He held roles in privately held businesses and accounting firms ranging from boutique to a Big 4. 

Andrew is a Certified Public Accountant (CPA). He holds a BS in Accountancy and MS in Taxation from Bentley University where he minored in Law and completed coursework in computer science and entrepreneurship. Andrew served as Treasurer of The Chesterbrook Community Foundation.

Read More

What We Bring to the Table

Founder Experience

Mighty Financial started following the founding and growth of a company in one of the many industries we now serve—technology startups. We look at a businesses’s challenges and goals through the same lenses that they do. Now we’re sharing our expertise with the next wave of growing companies.

Technical Training

We’re technical experts trained in accounting and finance. Let us provide sound advice founded on our experiences, industry-standards, and the leading information trends. Our team of accountants, controllers, and finance consultants are industry pros ready to handle your challenges.

Strong Network

We aim to provide our customers with resources beyond the services we provide. You’ll have access to our deep network of investors, service providers, and other industry contacts.

Our Team

Andrew Gauthier

President (CFO Consultant)

Tammy Vaughan

Director of Client Accounting Services (Consulting Controller)

Steve Scully

Director of Operations

Mark Bagang

Accounting Manager

Joan Donato


Ayie Alvero


Cyrelle Grace Castor

Accounting Manager

Gail Lugo


Want to join the team?