Bucks County, PA

Office 215-369-3300

Fax 215-369-2857

We Help Start-Up Businesses Develop a plan to grow


GibsonMayer is a leading accounting and business-consulting firm with a proven track record of handling critical issues with expertise across many different industries including construction, distribution, hospitality, manufacturing, real estate, service trades, merchandising, professional services and professional athletes.

Our combination of innovation, unsurpassed integrity, and experienced talent set us apart. We provide you with:

  • Innovative Accounting Services
  • Responsive Professional Team
  • Diversified Technical Resources
  • Highest Quality-control Guidelines

Proud Members of:


James J. Gibson, CPA/PFS


James J. Gibson, CPA/PFS provides expertise in the diverse and complex issues that our clients in the real estate, construction, manufacturing and service industries face. He has successfully presented many cases for a variety of clients before the Internal Revenue Service.

His experience includes accounting, tax and consulting services for individuals, partnerships and corporations. Additionally he is a Personal Financial Specialist providing estate and financial-planning services.

Mr. Gibson received a Bachelor of Science degree from the Philadelphia College of Textiles and Science. He developed his specialization in taxation with local certified public accounting firms and with Pannel Kerr Forster, a worldwide CPA firm. He is currently a member of the American Institute of Certified Public Accountants and the Pennsylvania Institute of Certified Public Accountants.

John P. Mayer, CPA


John P. Mayer, CPA brings nearly thirty years of public-accounting experience to GibsonMayer with a focus on accounting, auditing, tax and consulting services. His experience is comprised of a variety of industries including software development and pharmaceutical research firms to manufacturing, real estate development, home improvement trades and professional service companies.

John is as comfortable working with management teams from large organizations as he is sitting down with local mom and pop family businesses. His goal is helping clients of all sizes meet the challenging needs of commerce today. Prior to entering public accounting John was a member of a large international food-processing company management team.

Mr. Mayer received his Bachelor of Science degrees in Business Management and Accountancy from St. Peter’s College, Jersey City, NJ. He is currently licensed as a Certified Public Accountant in both the State of New Jersey and the Commonwealth of Pennsylvania, and is a member of the American Institute of Certified Public Accountants, the New Jersey Society of Certified Public Accountants and the Pennsylvania Institute of Certified Public Accountants.

Our Clients Say It Best!