Expert Tax Tips and Business Insights From John O'Shea

Your Go-To Resource for Smarter Tax and Financial Decisions

Welcome to the official blog of John O'Shea Tax Preparation and Business Services LLC — your trusted source for tax tips, small business advice, and year-round financial guidance. Whether you're an individual filer or a business owner in Union, NJ, our blog offers clear, useful, and timely information to help you stay ahead of deadlines, avoid costly mistakes, and make confident financial choices.

Taxes don’t have to be confusing — and with the right knowledge, you can keep more of your money while staying fully compliant.

What You’ll Find on Our Blog

Each blog post is written to serve real people with real questions — no jargon, no fluff, and no recycled advice. Just straightforward insights you can actually use.

Whether you’re a working professional, a retiree, or a small business owner, working with a professional tax preparer in Union NJ means:

Personal Tax Filing Tips

• When to file and how to prepare
  
• What documents you really need
  
• The most overlooked deductions
  
• How to claim education, child, and retirement credits
  
  

Small Business Tax Advice

• Quarterly tax deadlines and payment strategies
  
• Home office and mileage deductions explained
  
• 1099 filing rules for contractors and freelancers
  
• Common mistakes that trigger audits
  
  

IRS Help & Resolution

• What to do if you receive a letter from the IRS
  
• Understanding tax debt and payment options
  
• Navigating audits with confidence
  
  

Year-Round Financial Planning

• Tax planning in the off-season
  
• Withholding adjustments after a raise or job change
  
• Self-employed tax strategies
  
• Retirement contribution timing

We break down complicated topics into actionable steps — so you can take control of your tax situation and make smarter money moves.

Who the Blog Is For

Our content is tailored for:

W-2 employees filing annual taxes

Freelancers and gig workers juggling multiple 1099s

First-time filers looking for clear guidance

Small business owners seeking tax efficiency

Retirees and seniors managing Social Security, pensions, and IRAs

Anyone in Union, NJ who wants a trusted source of tax information

Whether you're filing your first return or running a growing business, our blog will help you stay informed and prepared.

Why This Blog Matters

Tax rules change — and what worked last year might not be the best strategy this year. Our blog helps you:

The goal? Help you pay only what you owe — not a penny more.

Upcoming Topics to Watch For

Here’s a sneak peek at some posts currently in the works:

• “Top 5 Tax Mistakes Small Business Owners Make”
  
  
• “W-2 vs. 1099: What You Need to Know Before Tax Season”
  
  
• “What to Do if You Owe Back Taxes”
  
  
• “The Best Way to Organize Your Tax Documents (Without Going Crazy)”
  
  
• “Do I Need to File Quarterly Taxes?”
  
  
• “How to Avoid an IRS Audit in 2026”

Have a question or topic you want us to cover? Send us an email — your real-world questions help shape our future content.