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716.276.8550

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

716.276.8550

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

Your SingleSource for Professional Accounting Services

Professional, scalable outsourced accounting services for businesses of any size, in any industry. Lets you do what you do best – run your business!
How can we help?
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What We DO

SingleSource Offerings

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Outsourced Accounting

  • Customizable, flexible engagements.
  • People+Technology approach – the best of both worlds.
  • Reporting and insights to inform your business decisions and keep you fully in control.
  • Services offered include bank and credit card reconciliations, bill payment, journal entries, AR/AP, monthly reporting to management and lenders.
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Staff Augmentation

  • Temporary accounting human resources for a variety of needs:
    • Augment your current accounting staff for a special project.
    • Fill vacancies due to turnover, vactions, medical leave or other reasons.
  • Add temporary resources having specialty or enhanced expertise to assist with a special project or to train your in-house staff.
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CFO & Controller Services

  • Experienced accounting and finance professionals.
  • Available for as many/few hours per week/month as needed.
  • Sampling of services includes preparation of budgets, forecasts, KPI dashboards, strategic planning, tax reduction strategies and debt covenant calculations.
  • Regular communications to keep you in control.
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Full-Service Expertise

  • Powered by TSA Advisors LLC from the Tronconi Segarra & Associates family of firms, you have access to high-level professionals who can assist with many other business challenges, including but not limited to, M&A Advisory and due diligence, business valuations, tax compliance, consulting and planning, sales & use tax compliance and consulting, management consulting, and more.

The Benefits of Engaging SingleSource Accounting

  • Reduce your costs, improve productivity and cash flow, and have more time to run your business.
  • Improved quality, timing and accuracy of reporting to allow for more informed decision making.
  • Your professional services will be provided by skilled, experienced CPAs and accountants, many of whom are partners and principals of Tronconi Segarra & Associates, focused on delivering your work accurately and efficiently for competitively priced marketplace rates.
  • Our CPAs and accountants are available to you 365 days a year. They won’t “disappear” during tax season to do other work.
  • SingleSource Accounting professionals, many of whom are Certified QuickBooks ProAdvisors, will actively listen to you to understand your unique needs, forming the basis for the development of a tailored engagement that best suits you.
  • SingleSource Accounting professionals will look for opportunities to add value to every engagement they perform for you. They will draw on their years of professional expertise and best practices gained across a wide range of industries to provide you with helpful insights, reports and analyses to give you the confidence you need and deserve to make the best decisions for your business.

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MEET OUR TEAM

Get to Know the Incredible Team Behind Our Success.

Our Team
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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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