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Why SingleSource?

Only SingleSource Accounting provides a 100% custom solution for your business, built to fit your needs, not ours.
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People + Technology

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Built just for you

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Making your business better

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U.S. Based Team

With SingleSource Accounting you’re always working with CPA’s and accredited advisors

Peace of Mind

No turnover, vacations or emergencies to slow down your business

Subject Matter Experts

Work with a team who are all experts in their field

Industry Experience

Experienced corporate accountants who understand your business

Scale with SingleSource

Add services and experts as your needs change
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Cutting Edge Technology

Bringing the technology and process the big guys use to your business

Better Decisions

Use real-time information to make better business decisions

Cloud Technology

All our platforms are cloud based, so you always have access and you’re always on the current version

Big Tech, Small Price

Automation, A.I., machine learning and more, use the same tech as the big guys without the big price

Proven Process

No learning curve, our team already knows what to do
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Backed by Tronconi Segarra & Associates

SingleSource Accounting is backed by Tronconi Segarra & Associates LLP, a large CPA firm with over 35 years of proven results

Access to Experts

Get the right specialist when you need them

Specialty Services

Cross-border tax, M&A, sales tax, whatever your business needs, we have the experts

Licensed CPA's

Licensed professionals, bound by professional standards and ethics

Peace of Mind

Whether you’re working with a CPA firm already or not, now you always have experts to call
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Who We Are

Our Leadership Team

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Tom Mazurek, CPA

Sales Tax Advisor

Avid sports fan who is also a sales and use tax expert. Tom brings 20 years of sales and use tax experience to clients by day, and over a decade of parenting experience to his three kids by night.
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Andy Moon, CPA

Income Tax Advisor

Outdoor enthusiast who, when brought indoors, helps businesses minimize their income tax liabilities. Andy spends his free time hiking, camping, hunting and volunteering with land conservancy and nature preserves.
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Explore Our Services

Partnered With the Best

FAQ’S

We’ve Got Answers

From original data entry through financial reporting and strategic insights, SingleSource Accounting’s outsourced accounting can replicate the feeling of having an entire accounting and finance department right down the hall.
No matter what services your business needs, SingleSource Accounting creates a custom solution tailored to your business, whether it’s outsourced accounting, or CFO services providing strategic assistance. Pay for only what you need, rather than a predetermined price for services that you don’t.
SingleSource is perfect for anyone looking for more timely information, better business insights, access to experts and the ability to scale their business without worrying about accounting and finance.
Scale with SingleSource

Your One-Stop Provider for Accounting Services

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716.276.8550

8321 Main Street Williamsville, NY 14221
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