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…
Are you eligible for mileage deductions?
Whether you’re filing your 2025 individual income tax return or planning for 2026, it’s important to know if you can deduct vehicle-related expenses. A change that was made permanent by last year’s One Big Beautiful Bill Act (OBBBA) limits who can claim a deduction for business mileage. But you might still be eligible, and deductions…
Should your business consider a fiscal year end?
Most businesses close their books for tax and accounting purposes on December 31 because it aligns with the calendar year. But a calendar year isn’t always the best option. For some companies, choosing a fiscal year end that better reflects their business cycle can improve financial reporting and simplify year-end procedures and tax filing. Here’s…
Don’t miss your opportunity to make a 2025 IRA contribution — whether you can deduct it or not
Generally, each year you can contribute up to the annual limit to a traditional or Roth IRA (or a combination of the two). But once the contribution deadline has passed, the opportunity to contribute for that year is lost forever. The deadline for 2025 IRA contributions is April 15, 2026. You may be eligible to…
Business deductions for four-legged coworkers
Did you know that you can claim tax deductions for animals that serve a bona fide business purpose? This benefit extends beyond agricultural operations. Working animals in many sectors may qualify. Here are the details. Working animals vs. personal pets A working animal must provide a clear and direct business benefit. Common examples include: In…











