About Us–GSM Advisory Group
About Us – GSM Advisory Group

Our Mission.

We collaborate with clients on their personal and professional financial goals— empowering and championing them throughout the process by providing education, tools, and strategies specific to their accounting and tax planning needs, and business development aspirations. 

And, believing that both an individual’s and business’s financial growth is ongoing, we keep clients abreast of tax updates, legislative changes, and technology advancements, so you’re always prepared to make informed decisions in our ever-changing economic climate.

Our Commitment

People-Driven, Results-Oriented.

We are committed to establishing enduring relationships with our clients that continuously evolve in support of their growth and advancement goals. Sharing the depth and breadth of our accounting and business development expertise— we listen attentively to your aspirations and challenges and, subsequently, tailor strategies specific to your and/or your company’s unique objectives. 

And, all the while, we utilize the latest technology to ensure efficiencies and security; analyze data as it relates to your goals; and regularly communicate tax implications and legislative changes that may impact your objectives. 

Furthermore, through regular check-ins and planning sessions, we help you avoid the unexpected by ensuring you’re always up-to-date and prepared for what may be ahead for your family and business.

Trusted by Individuals, Independent Businesses,
Franchises and Corporations Nationwide.

“GSM’s business coaching has helped our new franchisees develop into savvy owners and, subsequently, increased our success as a franchise.”

Kim Collier, Chief Development Officer, Ducklings Early Learning Centers, Pocopson, PA

“For years, we’ve been working with GSM for our small business and our personal taxes. They consistently take time to understand our financial position and goals, and our questions are always addressed promptly and professionally.”

Susie Quinn, Bargain Thrift Center, Germantown, PA

“GSM values the relationships between business owners. Their team regularly goes the extra mile to connect people and businesses who may benefit from one another.”

Pat DiCola, Founder, Free Trade & Owner, Viamark Advertising

“For the past twenty years, GSM has helped us navigate the changing business landscape.”

David Braverman, Founder, Le Bus Bakery, Philadelphia, PA

“We’ve gained a lot of insight through our quarterly planning meetings. Their team is always great at sharing new things to consider.” 

Derek Lindeman, Founder, Escape Room Franchise, Marlton, NJ

Our Values.

Consideration, communication and flexibility are integral to our personalized, proactive approach.

Personalization

We tailor strategies specific to your needs and aspirations.

Integrity-Driven

We build trust through communication, transparency and consistency.

Responsiveness

We are at-the-ready both when you need and want to talk.

Tech-Focused

We embrace and continuously integrate advanced technologies for efficiency and ease.

Meet GSM.

Sonya Pappas

Partner & CEO

“More than 25-years ago, my husband Gus and I founded this boutique firm to empower small business owners by providing them with a more personalized, informed approach to their accounting and business development needs. Our intention is to help people understand their numbers, plan proactively, think long-term and, ultimately, make confident decisions that lead to the realization of their goals.”

Gus Pappas

Partner & COO

“For the past two decades, Sonya and I, along with our professional team, have collaborated with people to launch new ventures, resolve challenges, and expand businesses by developing financial and development strategies specific to them. As a client-focused firm, we partner with people— listening carefully, responding thoughtfully, and communicating consistently— to help them plan for success now and in the future.”

Our Team.

With decades of business development, and tax planning and accounting experience, our seasoned team of accountants, financial planners, and growth professionals offer an unparalleled depth of expertise to help you realize your goals.  

Embracing and utilizing evolving technologies that offer you a secure, productive, efficient experience, our team also works diligently to stay abreast with training and continued education.

Their professional acumen, paired with our emphasis on integrity, transparency and consistency, ensures that relationships are prioritized, communications are responsive and successes are realized.

Alyssa Laird

Casey McAnally

Erica Keagy

Francine Rose

Jim McAleer

Kristin Miller

Laura Hunter

Mary Anderson

Mike Mastrangelo

Schedule a 15-min discovery call.

Let’s discuss your financial goals and objectives.