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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

Our Services

We have a single focus and goal - make your business better! See how with our services below.
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Outsourced Accounting

From original data entry all the way up to strategic CFO solutions, let us customize a solution that fits your needs. It's like having an entire accounting and finance department right down the hall.

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CFO & Controller Services

Already have an accountant but looking for a higher level of insight? Our Controllers and CFO's can act as mentors to existing staff while being strategic business partners to you.

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Staff Augmentation

Need short-term help, or a few specialists to assist with your project? Our team can augment your existing team to get your project to completion and keep your goals on target.

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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.

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Scale with SingleSource

Your One-Stop Provider for Accounting Services

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716.276.8550

8321 Main Street Williamsville, NY 14221
Info@SingleSourceAccounting.com
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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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