Peter J. McMahon is a small business that has made an impact on other business’ in and around the South Shore and Cape Cod area. With a wide rande of clients with business’ in architecture, food and law, just to name a few, Peter J. MaMahon has a firm grasp on the diversity of the area. 

Below are testimonials from happy clients that are proud to be working with Peter J. McMahon CPA.

This is our first year in business and while it has been very exciting, there have been many complex situations that require the expertise of a CPA. The team at Peter McMahon CPA always responds quickly and proficiently. They have always been available, even on short notice, to attend a meeting or participate in a conference call.

As our business grows, so have our accounting, payroll and tax requirements.
We always feel like we have a partner, not just a vendor, when working with the team at Peter McMahon CPA. We would absolutely recommend Peter McMahon CPA to any business owner who is looking for a CPA who will listen, provide excellent advice and truly partner with you.

Ana Lise Dabrowski

Vela Juice Bar

As a new small business owner, I am very pleased with the services provided by Peter McMahon CPA and his staff. They are conveniently located and offer one-stop shopping for all my accounting needs including business planning, preparation of tax returns and payroll.

CNF

MD

We have used Peter McMahon CPA since we founded our law firm in 2007. From personal and corporate taxes to payroll to 401k filings we have relied upon Peter, Sue and their team week after week. As a trusted resource, Peter McMahon CPA has allowed us to concentrate on our business.

Lizanne Foley

Foley & Foley, PC

As treasurer of a non-profit group, it is a pleasure to work with Peter McMahon CPA. We couldn’t be happier with the quality of their work, professionalism and level of communication.

Bev Ness

COBRA

Peter and his team have helped me streamline my business. Instead of spending hours each week worrying about payroll and taxes, I can instead focus on what I do best, and have grown my business substantially.

Tim Halbach

InDepth Marketing

When it came time to open my practice I went looking for an accountant that would help me avoid major pitfalls and unnecessary expenses while I focused on growing my business. In choosing Peter McMahon I have found a team that is responsive and attentive, forward thinking and focused on tax planning each year as it develops. That has provided me with peace of mind and the time and energy to focus on my clients instead of worrying about tax issues. I feel like choosing Peter’s team has been one of the smartest decisions I’ve made as a business owner.

Patrick Hartwig

Hartwig Law Firm

Complete Accounting,
Tax and Payroll Package
for Small Businesses

services

Accounting & Bookkeeping

Peter McMahon, CPA

Peter McMahon, CPA

Founder/Owner