celebrating 90 years in business
Embracing the Past
Building for the Future
established in 1934
About Us
Proudly with over 90 years in business, our mission is still to provide professional and quality service that consistently exceeds the expectations of our clients.
Peter Shannon & Co. is committed to open communication and timely responses to our clients throughout the year so we can address any concerns or ideas.
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2025 Tax Considerations
Please click the title below to jump to the section you like to read. Individual Tax Changes Extension and Enhancement of Reduced Income Tax Rate Rate reductions, bracket changes. Under pre-Act law, for tax years 2018 through 2025, the Tax Cuts and Jobs Act (TCJA) temporarily modified the number of income tax brackets and reduced the…
Cost segregation studies can reveal substantial tax savings
Businesses that own commercial real property may be sitting on an overlooked treasure chest of tax savings — and a cost segregation study can be the key to unlocking it. This is a strategic tool that combines accounting and engineering techniques to identify building costs that are properly allocable to tangible personal property rather than…
Fine-tune your tax withholding after filing your return
Many taxpayers discover at filing time that their tax payments during the year didn’t align with their actual liability — either too much or too little was withheld from their paychecks. A small difference is to be expected, but withholding that’s significantly off target can have negative consequences. Overwithholding reduces the amount available to you…
Unlock tax-free gains with QSB stock
If you run your business as a C corporation, you may be eligible for a potentially significant tax break for qualified small business (QSB) stock. This opportunity has existed for years, but recent tax law changes have enhanced it. What’s a QSB corporation? QSB corporations are a special type of C corporation. At the entity level, QSB…
Tax mitigation strategies when rebalancing your investment portfolio
Large stock market gains in recent years, coupled with some significant volatility in 2026, have left many investors with portfolios that are out of balance with their desired asset allocation. If you haven’t rebalanced recently, it may be time to do so. But you also must consider the tax implications. Careful planning can minimize the…











