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Concetta G. Spirio
- Knowledge
- Phone Call
- Questions
“If you're looking for an attorney that Genuinely cares about attaining the best outcome for her clients and in doing so shares and abundance of knowledge with them.”
Best Business Attorneys near Islip, NY
We have 2 firms in Islip on file, and both are on this list, along with 22 from towns including East Islip (5, 0 mi), Central Islip (5, 2 mi) and West Islip (2, 7 mi).
1 open 24/7 · 4 open weekends · 22 rated 4.5+
Data verified October 18, 2026
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Cozzolaw
- Headache
- Driving
- Expertise
“The lawyers at Cozzo Law are not only knowledgeable in their field, but they also exhibit a genuine care for their clients, making the legal process feel much more manageable.”
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Law Offices of Richard A. Fogel
“Although we were on opposite coasts, Richard was available whenever we needed him, his rates were reasonable and fair, and he worked both diligently and efficiently.”
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The Law Office of Michael A. Kofsky
- Contractor
- Knowledge
- Attorney
“He is a West Islip dad & resident with great business professional experience at a Manhattan law firm, years of knowledge & a wonderful cordial family man.”
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Thomas J Manzi
“No one wants to talk about it, but many people, like me, have to deal with their parents aging and starting to wonder whether or not the proper paperwork is in place to make sure their wishes are met.”
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Coello & Lorenzotti
“Excellent human person”
The 24 firms shown for Islip, NY advise companies on formation, contracts, ownership agreements and transactions. Whatever each one says about its practice areas and fee arrangements is drawn from its own website, and the ratings come from public reviews.
Area overview: Islip, NY
The 24 firms on this page are rated from 4.3 to 5.0 across 1,674 reviews; 9 have 50 or more reviews and 22 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise professionalism (100%), responsiveness (92%) and quality (64%). The topics that come up most in reviews of the firms on this page are "communication", "knowledge" and "efficient". 1 is open around the clock; 3 are open on Saturdays and 3 on Sundays. The practice areas the firms on this page list most often on their websites are real estate (4), estate planning (3), guardianship (3), personal injury (3) and family law (2). 1 has a BBB rating of A or A+. 17 have ten or more years of experience, the longest 29 years. 1 offers urgent consultations; 1 offers payment plans and 8 offer a free initial consultation. 1 has Spanish-speaking staff. We have a website on file for 22 of the firms on this page; 19 publish a contact page and 14 list a public email. 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 business law firms outside Islip listed on this page?
2 of the 24 firms give an address in Islip, and the others come from other towns. Corporate files run on email and video anyway, so which state a lawyer is admitted in usually matters more than the drive.
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Rubin-de-Cervens Andrea
- Real Estate
“They are absolute aces when it comes to communication, being detail oriented, knowledgeable, professional, helpful, and all around very pleasant to deal with.”
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Rodriguez Mejia
“The attorney really cares about every detail in your case.”
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Devito Gartland
“She was communicative, answered questions and proceeded to a quick conclusion of the estate.”
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Rachel A. Camillery
“She knew how to navigate negotiations with opposing counsel and when we didn't come to terms we were comfortable with, knew to not give in and be comfortable with the fact that we had a strong argument to present.”
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Silverberg
“Karl has been my attorney for the past few years for various legal reasons and needs and I have never lost a case while under his legal representation.”
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Griffin III William P
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Licari Thomas B
“Purchased my home in 2011, he was Excellent.”
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John J Guadagno Law Offices
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Futterman, Lanza & Pasculli
- Expertise
- Medicaid
- Questions
“She and her assistant Diane were in communication with us throughout the entire legal process, explained everything, had answers to every question we had, and always had our best interest in mind.”
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McIntyre, Donohue, Accardi, Salmonson, & Riordan
- Results
- Injury
- Questions
“WC tried to play a fast one and I told Kayla, right away she got on the phone with the attorney, and it turns out, i was not supposed to talk to them without their permission, this firm does stay on top of your case.”
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Diamond Law Group
- Real Estate
- E-Mails
- Team
“Although we didn't end up purchasing the property, we had a wonderful experience with DLG and would highly recommend them to anyone who is looking for a real estate attorney.”
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Taylor, Eldridge & Endres
- Condominium
- Understand
- Team
“Really all of you including Paralegal (Lisa & Gene) worked very efficiently and hard to complete all of my real estate closing and we are happy to use your services in the future.”
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Gulotta & Gulotta Personal Injury & Accident Lawyers
- Court
- Team
- Law Firm
“Michael and his team are nothing but the best - finally an extremely professional and expedient legal team that I can trust for everything from negotiating deals, to setting up my LLC.”
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Burner Prudenti Law
- Knowledge
- Efficient
- Team
“In my experience, they understand how important family is, and the many emotions and nuances involved, as well as practical considerations that come up for a family when one loses one's parents.”
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Mandler & Sieger
- The Office
- Service
- Questions
“I highly recommend this Lawyers, they are the best in the area, they work hard on my case,I love the results,and I can tell you they fight for you to the end to get you the moss of it out of your case.”
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Kathi Tirelli Law
- Felt
- LLC
- Questions
“I really appreciate her effort to solve problems, she is very thoughtful, thorough and response very quickly directly not through para legal or assistance when I asked question.”
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Suffolk County Per Diem
- Court
“Knows his stuff and advises of what transpired quickly and accurately.”
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Feldman, Kramer & Monaco
“I am truly greatful for the professionalism, competency, thoroughness, and compassion that KF&M attorneys Sean & Joe shared during this stress-filled moment that I was having..”
Business and Corporate Legal Services in Islip, NY Cost Estimates
Minimum cost
$988
Maximum cost
$6170
National Average
$1543
Avg Per Hour Rates
$418
$1234
$2468
Fair price range is based on 339 cost profiles
Why these companies made our list
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