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SBA Western PA Financial Services Champion

Not just your accountant…
your trusted Business Advisor

Learn from the experts! We are a top provider of QuickBooks services and seminars in Western PA/DE and the only Intuit Authorized Reseller in Western PA.Read more »
Government Contracting DCAA
Delaware Valley tax, accounting, and CPA services for contractors, builders and construction companies. Read more »
Accounting & Assurance Services
Audit, Review & Compilation services.  A full-service Accounting and Consulting firm responding to your Banking, Bonding & Investor requirements.Read more »
Tax Services
Business & Individual Tax Planning and Preparation services. Saving you money by providing guidance through the maze of complex tax regulations.Read more »
Business Startup Services
Help with the choice of Business entity, Tax structure, Accounting, Bookkeeping, and Business management software.Read more »


Award-winning Delaware Valley accounting and QuickBooks services

Each client works with a dedicated accountant who learns your business from the inside out.

With over 20 years of accounting and business experience, Dennis Piper & Associates provides strategic as well as operational insights. Our services include accounting, QuickBooks, tax preparation, tax planning, and audit & attest services.


Personalized QuickBooks Training with an Expert

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Upcoming Seminars

Since 1998, Dennis Piper & Associates has been one of the foremost providers of QuickBooks seminars and services in the Greater Pittsburgh area. We also offer in-house Quickbooks training and support to you and your staff in one of our multiple locations.
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Contact | Directions | Website

Cranberry & Wexford

Contact | Directions | Website


Southpointe / Washington

Wilmington DE

Our Locations