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…
Consider your potential charitable deduction before donating artwork
If you give artwork to charity, the deduction you can claim depends on several factors, including the type of organization receiving the piece and how it will be used. Special substantiation and appraisal rules may apply as well. Relation to charitable function Your deduction for a donation of art will generally be reduced if the…
Tax identity theft: Businesses are at risk, too
Tax identity theft isn’t limited to individual taxpayers — businesses are also targeted through their Employer Identification Numbers (EINs), payroll systems and tax filings. The financial impact of these crimes can be significant. Businesses may face delayed or stolen tax refunds, unauthorized payroll filings, and the time and expense of resolving IRS issues. There may…
Moving to a new state? Review the tax implications first
Whether you’re relocating for work, retirement, family or lifestyle reasons, state taxes can have a significant financial impact. Taxes vary widely from state to state. And establishing residency for tax purposes may be more complicated than you expect. Before moving, be sure you understand how changing states could affect your overall tax situation. A variety…
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…











