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Put Your Finances in the Hands of Experts

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Terdle & Company PC is a full-service accounting Firm located in Irwin, Pennsylvania. We offer a wide range of accounting and professional services to businesses and individuals. Whether you need assistance relating to income taxes, consulting, business formation or any other financial matter, we can help you. We specialize in small to medium sized closely held corporations as well as individuals. We have a unique presence in the medical fields of chiropractic and dentistry as well as an overall understanding of many standard and specialized trades and businesses.

Our unique methods of client service and billing are extremely well received among our clients. We look forward to discussing a possible relationship with you. Scroll down to learn more about our Firm and what we can do to make your business run smoother, become more profitable, and stay within the regulatory lines. 

See the latest News and Accounting Updates section on our website for the latest tax developments.


Our Firm offers nationwide individual income tax planning and preparation, as well as audit representation if needed. Our team is dedicated to staying up-to-date on all regulatory and legislative developments, both locally and nationally. We use our extensive experience in tax matters and with the IRS to serve a wide range of clients.


Our Firm offers business income tax planning and preparation as well as audit representation if needed. Our team of financial professionals operate as a unit in order to provide the highest level client experience possible. We work closely with you to ensure your goals are being met.


Our Firm offers an array of consulting and specialized services designed to maximize your business and personal experience.  From start-up and organizational review, to the formation of corporations and LLCs, we are there to make sure that you have the information to make the right decisions. As you expand, we are there to help review your operations, workflow and results.


Our Firm offers several business support services designed to minimize the time needed to run your business. Financial statement preparation, after the fact bookkeeping, payroll preparation and reporting, as well as sales tax filings are a few of the many business support services that make running your business easier and more efficient.

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PHONE: 724-863-0703

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