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Notchbooks
“I highly recommend this team service if you are single, married, divorce, have kids, multiple jobs, or whatever is going on with you, he will get you on track to achieve your goals.”
Best Tax Preparation Services in Smithtown, NY
15 companies listed · 6 in Smithtown · 6 open weekends · 11 rated 4.5+
Data verified October 27, 2026
Edwin Casanova, CPA
“I'm not terribly computer savvy, but he talked me through the process and made it so easy.”
Raisman CPA
“I have this respect for Al and the firm because no matter what comes up requiring their services, I know it will be handled proffessionally and thoroughly.”
William Carpenter CPA
“His guidance on navigating the many government programs has proved invaluable.”
Ken Higgins, CPA
“I have had a few accountants in the past, Ken is by far and away the best.”
Nick J. Giannitsas CPA
“NICK is awsome, we actually miss our in person appointment with him, he is efficient and always provides excellent service.”
The 15 companies listed for Smithtown, NY prepare and file tax returns for individuals and small businesses. What each says about its services and credentials comes from its own website; ratings and quotes come from public reviews.
Area overview: Smithtown, NY
Of the 15 companies we list here, 6 are in Smithtown itself and 9 come from towns including Hauppauge (1, 3 mi), Nesconset (1, 4 mi) and Islandia (1, 5 mi). 14 of the companies on this page have a rating, from 4.2 to 5.0 across 1,648 reviews; 8 have 50 or more reviews and 11 are rated 4.5 or higher. The topics that come up most in reviews of the companies on this page are "efficient", "knowledge" and "expertise". 6 are open on Saturdays and 2 on Sundays. The services the companies on this page list most often on their websites are tax services (5), quickbooks services (4), business services (3), bookkeeping (2) and financial planning (2). 1 has a BBB rating of A or A+. 12 have ten or more years of experience, the longest 59 years. 3 offer payment plans; 4 offer a free initial consultation and 1 lists coupons or special offers. We have a website on file for all 15 of the companies on this page; 12 publish a contact page; 11 list a public email and 3 take bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book a consultation.
Do any tax preparers listed for Smithtown offer a free first consultation?
4 of the 15 companies on this page state that a first consultation is free. In practice it buys a conversation about your situation and a quote for the return, not advice you can act on. Bring last year's return so the quote means something.
All Seasons Tax Services
Jeffrey T Spiegel CPA
Saranto
“He is an expert in his field and does a great job.”
Kassman Accounting
“Myles at Kassman Accounting was a professional and efficient accountant.”
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Soloway Advisory - Tax Preparation Service
“She is a true professional and it is like seeing an old friend every time we see her.”
SMG ABA
“I have been dealing with SMG for many years and have always trusted them with my personal and business taxes.”
Castaldo CPA
“Castaldo's company for my Physical Therapy business for more than 7 years now and I am very much satisfied with his professionalism.”
Nasir Tax-Care Professional Service
“Fast, efficient, resourceful, knowledgeable, excellent and all in all the best highly recommended”
All Island Tax & Accounting
“Been going here 25 years fast easy and reasonable.”
Why these companies made our list
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