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716.276.8550

  • Meet Our Team
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  • Meet Our Team
  • Contact Us
singlesource-accounting-LLC-logo-2025

716.276.8550

  • Meet Our Team
  • Contact Us
  • Meet Our Team
  • Contact Us

Full-Service Expertise

Need sales tax help? Strategic transactions, M&A or advanced tax planning? No matter how complicated, we have the experts to help you get it done right.
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Full-Service Expertise

Need sales tax help? Strategic transactions, M&A or advanced tax planning? No matter how complicated, we have the experts to help you get it done right.
Get Started
About Tronconi Segarra & Associates

You handle your business, we handle the details

For over 35 years, Tronconi Segarra & Associates has practiced the philosophy of providing “Solutions Beyond the Obvious.” With SingleSource Accounting and Tronconi Segarra & Associates, you have access to leading Accounting, Tax, Advisory and Sales Tax experts in the country. When your business needs subject matter experts to expand across borders, into new States or provide transaction advisory assistance, SingleSource Accounting outsourced accounting and CFO clients have unparalleled access to the right experts on-demand, just when you need them most.
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716.276.8550

8321 Main Street Williamsville, NY 14221
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Tronconi Segarra & Associates is the brand name under which Tronconi Segarra & Associates LLP and TSA Advisors LLC provide professional services. Tronconi Segarra & Associates LLP and TSA Advisors LLC practice as an alternative practice structure in accordance with the AICPA Code of Professional Conduct and applicable law, regulations and professional standards. Tronconi Segarra & Associates LLP is a licensed independent CPA firm that provides attest services to its clients. TSA Advisors LLC and its subsidiary entities, which are not licensed CPA firms, provide tax, advisory, and other non-attest services to its clients. The entities falling under the Tronconi Segarra & Associates brand are independently owned and are not liable for the services provided by any other entity providing the services under the Tronconi Segarra & Associates brand. Our use of the terms “our firm” and “we” and “us” and terms of similar import, denote the alternative practice structure conducted by Tronconi Segarra & Associates LLP and TSA Advisors LLC.

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