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Notchbooks
“Third year in a row using Notchbooks and I have already recommended others.”
Best QuickBooks Consulting & Training near Smithtown, NY
We have 4 firms in Smithtown on file. Only the highest-rated make our list: 3 of them made it, along with 12 from towns including Melville (2, 11 mi), Nesconset (1, 4 mi) and Islandia (1, 5 mi).
6 open weekends · 13 rated 4.5+
Data verified October 21, 2026
Edwin Casanova, CPA
“Dean is the best I use him all of the time and never had any issues with communicating.”
Raisman CPA
“My account, Connie Ryan, is there for me at a moments notice.”
Nick J. Giannitsas CPA
“NICK is awsome, we actually miss our in person appointment with him, he is efficient and always provides excellent service.”
Saranto
“I highly recommend Saranto Calamas Office for all your accounting needs - corporate and personal.”
Taxmaster of Melville
“They are responsive to questions and take the time to discuss and explain rhe entire tax process.”
The 15 firms listed for Smithtown, NY set up, repair and teach accounting software for businesses. What each says about certifications and supported platforms comes from its own website; ratings and quotes come from public reviews.
Area overview: Smithtown, NY
The 15 firms on this page are rated from 4.2 to 5.0 across 1,710 reviews; 8 have 50 or more reviews and 13 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "knowledge", "efficient" and "communication". 6 are open on Saturdays and 2 on Sundays. The services the firms on this page list most often on their websites are tax services (8), business services (6), quickbooks services (5), services for individuals (4) and estate planning (3). Domain records put 11 websites of the firms on this page at ten or more years old; the oldest dates from 1999. 6 offer payment plans; 5 offer a free initial consultation and 1 lists coupons or special offers. We have a website on file for all 15 of the firms on this page; 14 publish a contact page; 12 list a public email and 4 take bookings online. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.
Why are software consultants outside Smithtown listed here?
Within Smithtown there are 3 of the 15 firms shown here. The remainder come from other towns inside 15 mi. Nearly all of this work happens over a screen share, so distance rarely matters. Distances are straight-line.
Kassman Accounting
“Mr Kassman was very helpful and was efficient in completing my tax return .”
SMG ABA
“SMG has provided our company with service and an expertise that's hard to find.”
Herman P Ortiz CPA
“Excellent service, helped me estimate my quarterly taxes on time.”
Castaldo CPA
“As a new business owner, just knowing that you have someone dependable to help you along the way is a great relief!”
Michels & Hanley Cpas
“I have been working with Brian Michels for over 5 years and he has been very instrumental in performing bookkeeping and doing my corporate taxes for numerous accounts.”
Ross & Company, CPA
“More responsive than any service I have partnered with in the past.”
Bookwise Business Solutions
“If you're looking for someone who is not only knowledgeable but genuinely cares about their clients, I highly recommend Kanwal at Bookwise Business solutions.”
Bright and Morning Star Accounting Services
“They also helped me properly job cost and calculate percentage of completion on my current jobs, which gives me a clear picture of how profitable my jobs are daily.”
O'Hara & Company
“Mr O'Hara and his employees have been doing our accounting for the past 5 years and they are the best.”
Why these companies made our list
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