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About Us

William L. MCkernan, pc

For over three decades, William L. McKernan, PC has been delivering top-notch, individualized financial guidance to both individuals and businesses. Our firm’s proficiency spans from fundamental tax management and accounting services to more comprehensive offerings, including audits, reviews, compilation of financial statements, as well as estate and income tax planning.

Situated in Blue Bell, Pennsylvania, William L. McKernan, PC stands out as one of the premier firms in the region. Through the amalgamation of our expertise, extensive experience, and the collaborative spirit of our team, we ensure that each client receives meticulous analysis and the attention they rightly deserve. Our unwavering commitment to upholding high standards, employing seasoned tax professionals, and maintaining a strong work ethic is what brings clients back year after year.

Our mission is to support clients in maintaining current financial viability while proactively pursuing future goals. This involves fostering open communication to comprehend our clients’ needs through thorough research and sound analysis. At William L. McKernan, PC, we are committed to achieving these objectives with a commitment to high standards of excellence and professionalism. As a longstanding presence in Blue Bell’s business community, we take pride in the esteemed reputation we’ve built over the years.

Our unwavering dedication to hard work has garnered respect from the local business and financial community in and around Blue Bell. We attribute this directly to our talent and responsiveness to the needs of our client base. Whether you’re an existing or potential client, be assured that those who choose William L. McKernan, PC can expect competent and timely advice for both individuals and businesses alike.


Choose us for a dedicated commitment to your financial viability, where our proactive approach and open communication ensure a thorough understanding of your present needs and future goals. At William L McKernan, PC, our years of excellence and professionalism in serving Blue Bell’s business community stand as a testament to the esteem we consistently earn.


We are committed to transparency and accuracy, ensuring that every client receives personalized attention and reliable financial guidance, reinforcing our reputation as a trusted partner in their financial journey.


Trust is not just a word; it’s a cornerstone of our practice. Our unwavering dedication to ethical practices, coupled with a track record of successful client relationships, establishes us as a reliable and trustworthy choice.


With a rich legacy spanning decades, William L. McKernan, PC has consistently upheld the highest standards of integrity and professionalism in providing Accounting & Tax Services, earning the trust of a diverse clientele.


At William L. McKernan, PC, honesty is the cornerstone of our Accounting & Tax Services, as we believe in transparent communication and straightforward solutions that instill confidence in our clients.

William L. McKernan III, EA, brings over three decades of expertise in delivering accounting services to both businesses and individuals. His proficiency spans tax preparation, compliance, and reporting, while also encompassing financial statement preparation, tax planning, income projection, budgeting, and cash flow management. Bill’s comprehensive understanding of both individual and business Tax Codes enables him to collaborate with clients in optimizing financial strategies and ensuring tax compliance.
Erik, a seasoned tax accountant, specializes in income tax planning, compliance, and reporting. His in-depth understanding of the Tax Code has allowed him to collaborate with numerous clients, optimizing their tax strategies. Additionally, Erik possesses significant expertise in business taxation and financial statement preparation.

Tamara Guagliata is a proficient payroll specialist, particularly skilled in addressing the requirements of small businesses. With extensive knowledge of various payroll platforms, she excels in swiftly evaluating diverse situations and effectively communicating solutions to clients. Furthermore, Tamara boasts years of experience working with QuickBooks, providing expertise in bookkeeping services and addressing related needs.

Rachel, a seasoned tax accountant, possesses extensive expertise in income tax preparation and planning. With years of valuable experience, she is well-versed in utilizing QuickBooks and providing comprehensive bookkeeping services. Rachel has successfully collaborated with numerous clients, demonstrating proficiency in both individual tax preparation and thorough bookkeeping services. Her dedication to excellence and proven track record make her a reliable professional in navigating the complexities of taxation and financial management.