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Business Details
37 Years
experience
Your Trusted Accounting Partner in Pittsburgh
Cotton Mather Accounting Group is a full-service accounting firm serving individuals and businesses in the Greater Pittsburgh area for over 30 years. We specialize in accounting, bookkeeping, tax preparation, and payroll services tailored to personal and business clients. Our team of experienced professionals adheres to the highest standards of conduct, offering personalized solutions that meet the unique needs of creative businesses, service industries, and healthcare providers.

Formerly known as W. Cotton Mather, CPA, we transitioned to an employee-owned and majority woman-owned firm in 2019, maintaining our commitment to transparency, trust, and client-focused service. With year-round support and expertise in complex tax matters, we empower clients to focus on growth while ensuring financial accuracy and compliance.
Services
Accounting Tax Preparation Bookkeeping Payroll Services Corporate Tax Prep Small Business Accounting Estate Trust Accounting Tax Planning Self-Employed Bookkeeping Audit Assistance
Details
  • Year established: 1989
Highlights and features
  • We have over 30 years of experience serving Pittsburgh's North Hills and surrounding areas.
  • Our team specializes in creative businesses, healthcare, and retail accounting.
  • We offer year-round availability and personalized client communication.
  • We are an employee-owned and majority woman-owned firm.
  • Our professionals provide tailored tax strategies for individuals and businesses.
Associations and certifications
  • National Association of Tax Professionals
What people say
Smoothest tax experience Extraordinary service Fantastic service Highest recommendation No regrets
Services
Accounting
We provide comprehensive accounting services for businesses of all sizes, including financial reporting, budgeting, and tax planning. Our team ensures accurate record-keeping and strategic financial guidance to support business growth. Tailored solutions help clients maintain compliance and optimize profitability.
Tax Preparation
From personal returns to complex corporate taxes, we handle all aspects of tax preparation with expertise. Our professionals identify deductions and credits to minimize liabilities while ensuring compliance with evolving tax laws. Year-round support simplifies the filing process for individuals and businesses.
Bookkeeping
Our bookkeeping services streamline financial tracking for small to medium businesses. We manage accounts payable/receivable, payroll processing, and financial reporting to improve cash flow visibility. Accurate records ensure informed decision-making and regulatory compliance for long-term success.
Payroll Services
We simplify payroll processing with tax compliance, direct deposits, and employee record management. Our solutions reduce administrative burdens for businesses handling state and federal employment regulations. Customizable services support companies seeking efficient workforce compensation management.
Questions
What accounting services do you offer for small businesses?
We provide bookkeeping, payroll, financial reporting, and tax planning tailored to small business needs.
Do you serve clients outside the Pittsburgh area?
We primarily serve Pittsburgh and surrounding areas but accommodate remote clients across Pennsylvania.
What tax preparation services do you offer?
We handle personal, corporate, and small business tax returns with strategies to maximize refunds and minimize liabilities.
Are your accountants certified professionals?
Yes, our team includes certified professionals adhering to standards from the National Association of Tax Professionals.
Do you offer payroll software integration?
We provide customized payroll solutions compatible with common accounting platforms for seamless operations.
Reviews (6)
John Pope
Aug 04, 2021 Report
Positive:Professionalism,Quality,Responsiveness,Value
I've never been happier or have felt more taken care of by another CPA / firm. Chrissy and Lisa are sincerely wonderful to work with. They've gone above and beyond to help me with my business. I consider them trusted partners in what I do and they are true experts in their field. Thankful to have found them :)
John Wolowiec
Jan 25, 2021 Report
Positive:Professionalism,Quality,Responsiveness,Value
Have been using them for years. Kevin and cotton are the Best
Kadir Gumus
Dec 08, 2019 Report
I have had wonderful, professional and reliable service from W Cotton Mather, CPA. I loved working with Susan. Even in the busiest time of the tax season, she handled my personal tax return timely. Also everyone is very friendly in this office, so we have had wonderful conversation while preparing tax return. I highly recommend them to anyone.
Levity Float Studio
May 25, 2018 Report
We absolutely love Chrissy at Cotton Mather, CPA. One of the kindest folks, who's super knowledgeable, organized, efficient, and timely with communication. Since linking with her; she's helped implement a proper payroll, cleaned up past mistakes, and will be handling all our tax needs moving forward. In addition to all these great characteristics, she's definitely a very cool to take accountant-speak into understandable terms. She also believes in small business and supports great causes. Don't waste your time anywhere else.
Checkout the crew of Cotton Mather, CPA for all your tax needs.
Meg G.
Sep 24, 2015 Report
When tax season comes, I never have to worry about it. W.Cotton Mather handles all of my taxes professionally and promptly. When I bought a new house, I was eligible for a big tax refund but wasn't sure how to do it. I took it to Mr.Mather and he took care of everything. I have loyally returned to his office every year since then. As soon as I give him my tax papers and deductions, he processes it right away. I get my tax refund faster than anyone else! My co-workers and friends always marvel at how fast my taxes are processed. I recommend W.Cotton Mather in the very highest of terms. A true professional
Judith Priebel
Jul 13, 2015 Report
Cotton Mather and staff has handled our Corp and personal taxes for 35 years. They have always answered any questions that I may have, and Cotton always
calls me back very quickly, if I need to speak with him. I am extremely
satisfied with Cotton and his staff. Chrissy handles our monthly balance sheets, and
Pat handles the payroll for our business. They are always available when I need
them. I would highly recommend Cotton and staff for any accounting needs.