Home | Mary P Hollister CPA PC

What we do

Let us take the stress out of running your business

Bookkeeping

You run your business. We’ll run your numbers.

Learn more

Business Tax

Keep more of your hard-earned money with sound, strategic tax support.

Learn more

Payroll

Feeling the pain of dealing with complex payroll? Let us relieve you of the burden.

Learn more

Advice

Stay on a healthy financial path with dedicated, strategic advisory services.

Learn more

WHO WE SERVE

Life's better when people understand your needs

Service-based Businesses

We make outgoing payments on time and seamlessly manage your cash flow.

Professional Service Providers

Get back to what matters most—your professional services enterprise—and let us handle the accounting.

Healthcare Professionals

Get back to your patients and let us handle the accounting.

People

Let us help make tax season less taxing.

ebook

Making the move to subscription-based pricing

Download the eBook

QuickReads

Let's talk business

New Postmark Change Impacts Tax Filings, Extensions, and More

A quietly released USPS postmark change update is changing how postmark dates are defined and applied, creating real problems for taxpayers.

Social Security Changes in 2026: What Retirees and Workers Need to Know

As 2026 begins, several updates to Social Security rules and benefits are taking effect, such as the full retirement age is now 67 for anyone born in...

Retirement Savers Be Warned: A Tax Break Has Disappeared in 2026

For years, workers nearing retirement could decide whether to take the immediate tax break of pretax savings in their 401(k) plans or build tax-free i...