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…
Not all “business” expenses are tax deductible
Valuation professionals often use discounted cash flow (DCF) techniques to determine the value of a business or estimate economic losses. A critical input in a DCF model is the cost of capital — the rate that’s used to discount future earnings to today’s dollars. Modest changes in this rate can have a major impact on…
A new year means new tax figures for individuals
Many tax figures are annually adjusted for inflation and typically increase each year (or at least every few years). For 2026, some additional changes are going into effect under the One Big Beautiful Bill Act, signed into law July 4, 2025. Here’s an overview of some important limits and other tax figures for 2026. Keep…
Important 2026 tax figures for businesses
A new year brings many new tax-related figures for businesses. Here’s an overview of key figures for 2026. Be aware that exceptions or additional rules or limits may apply. Depreciation-related tax breaks Qualified retirement plan limits Other benefits limits Miscellaneous business-related limits Planning for 2026 We can help you factor these changes and others into…
More individuals with disabilities will be eligible for tax-advantaged ABLE accounts in 2026
Did you know there’s a tax-advantaged way to save for the expenses of a person with a disability that’s similar to saving for college expenses with a Section 529 plan? Achieving a Better Life Experience (ABLE) accounts can help fund qualified disability expenses for an eligible beneficiary. The SECURE 2.0 Act, signed into law in…











