Best QuickBooks Consulting & Training near Brentwood, NY

We have one firm in Brentwood on file, and it is on this list, along with 14 from towns including Melville (4, 8 mi), Smithtown (3, 6 mi) and Central Islip (1, 3 mi).

1 open 24/7 · 8 open weekends · 12 rated 4.5+

Data verified October 21, 2026

DGC Tax Prep

DGC Tax Prep

4.0 3 reviews
“I had to file my taxes over the phone and Donovan Currey took his time with my question and concerns I will definitely be back to file my next tax return.”
Since 2015Family-owned
37 Carroll St
i
Book onlineBook
Notchbooks

Notchbooks

4.9 85 reviews
“While they don't erase the nightmarish pain of Post-Tax Stress Disorder completely, they do ease the transition from money-in-the-bank to gotta-keep-working.”
Since 2016FinancingPrices online
Smithtown, NY · 6 mi from Brentwood
i
Kyle F. Lester, CPA

Kyle F. Lester, CPA

5.0 30 reviews
“Kyle has been our family CPA for at least 20 years and we have always been happy with his service.”
Free consultationOpen 24 hoursSince 2006FinancingPrices online
Melville, NY · 8 mi from Brentwood
i
Edwin Casanova, CPA

Edwin Casanova, CPA

4.8 72 reviews
“They were there to answer any question you had within minutes and I never had to even make a phone call.”
Virtual consultationsSe habla españolSince 2015
Smithtown, NY · 6 mi from Brentwood
i
Kassman Accounting

Kassman Accounting

5.0 120 reviews
“Very good, I felt like part of the family, thank you very much.”
Coupons & offersSince 2010
Central Islip, NY · 3 mi from Brentwood
i
Taxmaster of Melville

Taxmaster of Melville

5.0 130 reviews
“They make me fully aware of my responsibility and any changes that may have occurred over the previous year.”
New York CPA license #106463Serves Queens, NY, Long Island, NYSince 1950
Melville, NY · 8 mi from Brentwood
i

The 15 firms listed for Brentwood, 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: Brentwood, NY

The 15 firms on this page are rated from 4.0 to 5.0 across 1,708 reviews; 8 have 50 or more reviews and 12 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "efficient", "knowledge" and "communication". 1 is open around the clock; 8 are open on Saturdays and 3 on Sundays. The services the firms on this page list most often on their websites are tax services (8), business services (5), quickbooks services (5), estate planning (4) and services for individuals (4). 1 has a BBB rating of A or A+. Domain records put 11 websites of the firms on this page at ten or more years old; the oldest dates from 2005. 1 offers urgent consultations; 5 offer payment plans; 5 offer a free initial consultation; 1 is family- or locally-owned 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 5 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.

Do any consultants listed for Brentwood offer a free file review?

5 of the 15 firms state that a first consultation costs nothing. For software work that normally means a short call about what you run and what is broken, not access to your file. A genuine diagnostic takes hours and is usually billed.

Lindenhurst CPA

Lindenhurst CPA

4.0 45 reviews
“It was a pleasure to work with Jimmy, he did a wonderful job, he works quickly and responds promptly to any question.”
Free consultationSince 2021Virtual consultationsPrices online
Lindenhurst, NY · 9 mi from Brentwood
i
SMG ABA

SMG ABA

4.8 91 reviews
“Very professional group of hard working individuals who take pride in their work and are trustworthy!”
Since 2021
Islandia, NY · 4 mi from Brentwood
i
Herman P Ortiz CPA

Herman P Ortiz CPA

4.9 35 reviews
“It's so great to speak with an accountant who has stellar customer service skills, explains accounting terminology/ restrictions in an easy-to-understand way, and tries very hard to understand my business and personal concerns.”
Since 2016FinancingPrices online
Melville, NY · 8 mi from Brentwood
i
Raisman CPA

Raisman CPA

5.0 28 reviews
“Connie is our tax accountant and she does a fantastic job.”
Free consultationSince 2020Prices online
Smithtown, NY · 6 mi from Brentwood
i
Castaldo CPA

Castaldo CPA

4.8 69 reviews
“James was a great help with filing our taxes, very knowledgeable and professional.”
AICPA memberFree consultationSince 2010
Lake Grove, NY · 9 mi from Brentwood
i
Michels & Hanley Cpas

Michels & Hanley Cpas

4.9 27 reviews
“I must say they are a very well organized, efficient and great communicators.”
Since 2006FinancingPrices online
Northport, NY · 9 mi from Brentwood
i
Ambrosio & Bellotti, Cpas

Ambrosio & Bellotti, Cpas

4.3 3 reviews
“I have been using Ambrosio and Bellotti for as long as I can remember and I can't say enough good things about them!”
BBB ASince 2007FinancingPrices online
Melville, NY · 8 mi from Brentwood
i
Ross & Company, CPA

Ross & Company, CPA

5.0 50 reviews
“The level of partnership and trust Ross & Company provide exemplifies the accountancy you choose for the life of your business.”
Since 2005Prices online
6 mi from Brentwood
i
Bright and Morning Star Accounting Services

Bright and Morning Star Accounting Services

5.0 23 reviews
“Mike was such a big help with all my accounting needs for my small business.”
Free consultationServes Greater New York Area, Long IslandSince 2021
Huntington Station, NY · 9 mi from Brentwood
i
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