More than a certified public
accounting firm

At Louis Plung & Company we provide personalized services that build long, trusted relationships. We offer a wide scope of tax, audit, business, and personal consulting services to meet your business’s needs. With experience working within a wide variety of industries, we provide the expertise along with a tailored approach specific to your business.

Headquartered in Pittsburgh, Pennsylvania, Louis Plung & Company was founded in 1921. We offer a scope of services equivalent to that of large national accounting firms, balanced with a well-respected reputation. As a member of BKR International, a leading global association of independent accounting and business advisory firms, Louis Plung & Company is equipped with the breadth and depth of knowledge to manage your international needs. BKR International represents more than 150-member firms with over 300 offices in over 70 countries around the world.

The tools of accounting have changed dramatically, but the principles that have defined Louis Plung & Company as a leader over time, have remained constant. Every client engagement receives one-on-one attention and personalized solutions designed to fit the needs of each situation. Many of our clients have been with us for generations. We are proud and value what the length of these relationships says about the benefit we provide to our clients, and the sustained commitment of our work ethic.

Industries we serve

At Louis Plung & Company we work with a variety of industries, providing comprehensive accounting and business advisory services. Of course, our experience is not limited to those industries listed below. Rather, this is an introduction to industries with which we specialize, and an example of our scope. Please contact us about your business to learn how Louis Plung & Company can meet your precise needs.

Captive Insurance

Captive Insurance

Louis Plung & Company has experienced audit and tax professionals that are well versed and dedicated to serving the specialized needs of captive insurance companies. Our clients benefit from a customized audit that is designed to fit their unique risk profiles.



At Louis Plung & Company, we provide some of the Pittsburgh region’s largest construction companies, developers and sureties with the highest quality audit, assurance, and tax planning services geared to the specific needs and challenges of the construction industry.

Employee Benefit Plans

Employee Benefit Plans

Louis Plung & Company currently performs more than 30 benefit plan audits every year, with plans ranging in size from smaller companies with several hundred thousand dollars of plan assets to larger companies with more than several hundred million dollars of plan assets



Louis Plung & Company works with producers, production companies and investors in completing the necessary forms and applications to qualify for the tax credit.



Louis Plung & Company focuses on complete strategies, for our clients, while considering the effects that industry trends, government regulations, and tax guidelines have on our clients’ operations.


Non-profitLouis Plung & Company has been working with not-for-profit organizations for decades. Our professional team understands the need of a not-for-profit organization to be in compliance with applicable laws and regulations, to meet reporting deadlines, and to be fiscally prudent.

Professional Services

Professional ServicesLouis Plung & Company provides specialized accounting, tax, and consulting services specific to the challenges faced by those operating in the professional services industry so you can focus on building your business and providing superior service.

Real Estate Development & Leasing

Real Estate Development & LeasingAt Louis Plung & Company, we help commercial real estate developers and owners manage the tax implications and accounting controls for their existing assets.


RetailLouis Plung & Company has been serving retailers since nearly the firm’s inception in the 1920’s. Some of our retail clients started out as small, family-owned operations that we have seen grow into large, multi-million dollar market leaders.

Wholesale Distribution

Wholesale DistributionLouis Plung & Company holds expertise in identifying and implementing tax and financial strategies that can help you improve your business. With decades of industry experience we provide a comprehensive service model tailored to your business.

Trust Starts with
a Conversation

The Louis Plung & Company mission is to enhance the lives of our clients and our team.

We do this through our six core values.

INTEGRITY. We do the right thing when no one is watching with honesty, respect, and strong moral principles.

ADAPTABILITY. We embrace change, are flexible, and can adjust quickly to changing trends.

OWNERSHIP. We do not wait for others to act. We care about the outcome, are accountable for the results of our actions, deliver high quality in a timely manner, and take responsibility for our work.

TEAMWORK. We respect each other. We work together to achieve mutual goals through communication and compromise. We invest time into fellow teammates to improve relationships and work together effectively.

MOTIVATION. We are ambitious, enthusiastic, and passionate about client work.

PROACTIVITY. We are driven, think ahead, take initiative, and take an active role in each engagement.

Let's Talk about Your Unique Needs

Let’s Talk about Your Unique Needs

Whether looking to partner with a strategic business advisor or simply looking for answers, we welcome and encourage all questions.

Let’s talk opportunity.

Contact Us