Jonathan S. Sack - New York White Collar Defense Lawyer Reviews & Ratings

“I had a consultation with Jonathan S Sack who asks rapid fire questions and does not wait for an answer and got all my facts wrong.a clientSack is a big talker but ultimately doesn't deliver. He took a case on contingency then let it languish for over a year with no progress. When I pushe”

“A clientI wish that I could give him ZERO stars. All bark and no bite. Total unprofessional, would cancel appointments while I was on the subway on my way t”

“A clientMr Sack had no interest in my case. He just talked about himself the entire (very short) conversation. Comes off as very arrogant but not very smart -”

“A clientJonathan loves to talk but didn’t ever learn how to listen, shouting rapid fire questions like some big shot making me feel so little. I only heard fr”

“A clientYou get what you pay for. And in this case, I got zero. Too bad I had to write the entire draft complaint myself with no help from Jonathan’s staf”

“A clientThe more I dealt with Jonathan I realized he probably didn't even have a file for my case and he was totally I neffective. His legal advice changed v”

“A clientHe is an awful human being that lacks empathy, kindness, or any virtue of humanity in general. After going through one of the most difficult experienc”

“A clientDidn't handle case properly. He totally misjudged the situation, which resulted in very poor compensation from an employment termination case. a clientThe other one star reviews are 100% accurate. He is a vile human being and is fake nice at first only to turn on you once he thinks your case isn’t wo”

“A clientI found Mr. Slack through his website, which states he offers free consultations and gave a brief overview of my claim. Mr. Slack then responded askin”

“A clientI contacted Jonathan based on a friend's recommendation. He responded to my emails and phone calls right away. He was extremely direct and and know”

“A clientJonathan provided the support I needed through a tough time. He was direct and fearless when advocating for my rights with a former employer. He tak”

“A clientJonathan helped my family during a difficult time. Yes, he is edgy, yes he is a bulldog, but one with a big heart. He is someone you want on your t”

“A clientI interviewed 9 attorneys before hiring Jonathan. I chose him because I wanted an advocate, a champion and someone who had my back. When working in”

“A clientI have been Jon's client for 4 years on couple high stake cases. He truly delivers big. He is a hard worker and has been always available rain or sh”

“JeanWhile sometimes a bit rough and overly aggressive, Jonathan has a proven track record of advocating on behalf of those who have either been victims of”

“A clientJonathan has the experience, toughness and dedication to fight for you. He won't waste your time, he will tell you the truth when it comes to your c”

“A clientJonathan negotiated more severance from my former employer. He was to the point, kept me informed, and we settled the matter in a reasonable amount o”

“A clientI was terminated from my job at an investment bank, and was treated unfairly. I went to several employment attorneys, and they all refused my case be”

“PeterI first became aware of Jonathan when he represented a former employee of my then current firm. I was head of HR and dealt with the matter for the fi”

“DennisMy employer did not honor a contract. Jonathan helped me to get the money that I deserved. He and his team bring intensity and get the job done. I rec”

“DarrenJonathan advised me through the negotiation of a structurally complicated situation. Gave valuable advice on negotiating, which in the end came to a r”

“A clientJonathan is extremely knowledgeable, fierce, straight forward, and compassionate. He is definitely the advocate you need when you are being discrimin”

“LizI know that Jon and his team were working for me and with me. We spent almost 3 years and eventually settled. I always felt that Jon and Michael Mui h”

“PerrinJonathan was able to cut through a nuanced employment dispute to quickly get to the essence. He was aggressive, yet fair-minded, reasonable, and restr”

“A clientJonathan was direct and thorough during the whole process of filing and arbitration. He was available to discuss concerns and issues whenever I needed”

“A clientYou don't ever hope to be in a situation where you need Jonathan Sack, but if you ever are, this is the guy you need on your side. I hired Jonathan to”

“A clientJohnathan knows workers rights and explained everything to me so I understood what was happening and what my options where. I would recommend speaking”

“A clientI'm pleased to recommend Jonathan Sack with the highest ratings and know that he will exceed your expectations. Jonathan represented me for an employm”

“RandiJonathan Sack is a life saver! He provided me with a great degree of clarity and confidence as I start the next chapter in my life and career. Emplo”

“RoseJonathan is an excellent employment lawyer with much experience. Jonathan expertly guides you through the process of seeking a fair and equitable set”

“A clientJonathan offered the ideal combination of immense expertise, wise counsel and unflinching effective advocacy in handling my case. He did so with both”

“A clientYou cannot ask for a better person in your corner than Jonathan. He is beyond passionate, fiercely loyal and helped me get my due. I cannot recommen”

“A clientJonathan represented me when I was let go from my employer. He has excellent knowledge of legal nuances and helped me negotiate favorable settlement t”

“A clientJonathan is a powerful advocate with a laser like focus on what has to be done and how it will get done. At a very vulnerable time I left his office”

“A clientI had problems with a big name, Private Equity-backed form in the fminsurance space and Jonathan dug in to understand why had happened. He then predic”

“MasonI have been in finance for over 35 years and this was my first dispute/litigation/arbitration. Jonathan was about as professional as I have seen anyo”

“ClaudioIn 10 minutes, Jonathan was able to answer legal questions that had been nagging me for weeks about terms of my separation agreement. He understands”

“Heather Jonathan was recommended to me in the midst of a crisis in my career and provided me with the confident coaching I needed to effectively negotiate a g”

“A clientRepresented me against my former employer (a large bank) in a retaliation and discrimination claim. Quietly resolved the matter by negotiating a very”

“A clientJonathan was recommended to me by a friend when an exit from my employer ended up not going as smoothly as hoped. Jonathan got on the phone with me wi”

“DavidI was put in touch with Jonathan after my previous firm threatened me with legal action regarding a contract policy. Jonathan immediately jumped on th”

“A clientJonathan made me feel like I was being prioritized and that my case was truly important. He fought for me when other lawyers would have done the bare”

“A clientI had an issue come up and was given Jonathan's number. I gave him a call and he immediately got to work (even though he was out of the office). We”

“William Jonathan was very receptive and responsive. Moved the case forward and kept me posted every step of the way. Answered e-mails and phone calls promptly”

“A clientI engaged Jonathan and his team to assist with an age and gender discrimination situation at my former firm. Jonathan was responsive and supportive.”

“A clientJohnathan Sack is a kind and generous attorney. He answered all my calls while he was on vacation with his family and made me feel at ease with my cas”

“TaylorJonathan and his Firm provided excellent services, demonstrated professionalism, expertise, and personal attention to the details while handling discr”

“A clientGoldenTree Asset Management LP has retained Sack & Sack and, in particular, its lead attorney, Jonathan Sack, on a variety of complex employment relat”

“A clientI can't understate how appreciative I am with Jon and his team for his help in my case. I hired Jon to represent me against my long term employer. Wi”

“A clientJonathan represented me in a very long process that required a lot of patience to get the best outcome. It was frustrating many times how long things”

“A clientI hired Jonathan to help with a case against my employer. I was very distressed and emotional about my situation, but Jonathan made it clear that the”

“A clientJonathan got me a great result! While he understood how angry I was with my former employer, he remained focused on the facts, the law, and achieving”

“A clientJonathan helped me settle with my previous employer. He was fast, direct and efficient. From what I saw his experience in my field of work allowed hi”

“PiotrJonathan was the consummate professional. He grasped the intricacies of my situation rapidly and his decades of experience were invaluable. I would”

“A clientIts never a pleasant situation if you need an employment lawyer but if you need one, Jonathan is your man. I have worked with him in two instances. He”

“A clientJonathan guided me through an extremely nuanced and unpleasant work matter and achieved the best possible outcome for me. His expertise, professional”

“A clientJonathan was thorough, honest and as helpful as could be. He walked me through an important employment law matter that I was dealing with and took cha”

“A clientJonathan has successfully defended my interests and provided me outstanding guidance on a number of employment matters. His 30+ years in the industry,”

“A clientJonathan was exceedingly generous with his time and offered helpful and sound advice. He has a thorough understanding of all elements of employment la”

“A clientJonathan was referred to me by two friends, independently and i see why. He is the epitome of helpful, responsive and efficient. Jonathan was able to”

“A clientThese are some of the words that come to mind when describing Jonathan Sack. You do not need to search for anyone else, and I can not stress that eno”

“A clientJonathan extricated me from a burdensome non-compete that my former employer was standing firm to hold me to. I am a single parent with two children i”

“A clientI highly recommend you hire Jonathan Sack to handle any challenging legal issues you may face in the workplace. I sought Jonathan’s help on a severanc”

“A clientI highly recommend Jonathan Sack as an employment lawyer. I hired Jonathan to help me when I was faced with gender discrimination issues at a wall st”

“A clientJonathan Sack was fantastic, he got me a nice settlement for a situation that took place a long time ago, which isn't easy to do. He knows his busine”

“BMI tried, literally for 20 years, to find someone to take my case. Jonathan did not hesitate. A case no one else would touch, netted a nice settlement”

“A clientThe first time I went to Jonathan Sack, I was pregnant and my employer was threatening to fire me. Jonathan wrote a letter to my employer on his lette”

“A clientI got recommended from my cousin. I spoke to another lawyer who would not take my case. But when I met Jonathan he didn’t hesitate to take my case. Th”

“LisaCame to John with an employment contract that should’ve been used to wrap fish or start a fire. My employer had a permanent seat on the 9th ring of Da”

“RoryHe was very thorough, caring, and thoughtful. Helped me get through a tough negotiation with a plethora of support. Expert in individual employment”

“Elisabeth I was referred to Jonathan based on a friend's glowing recommendation. I highly recommend Jonathan. He was able to negotiate a severance package 7 tim”

“A clientI work in the hedge fund industry and hired Jonathan to negotiate the terms of my separation with my previous employer. Always responsive and generous”

“A clientJohn is the guy you want in your corner. He is fast-working, aggressive and knows how to get the job done. He quickly resolved an HR issue I was un”

“MarkJonathan Sack helped negotiate a non-compete. He worked tirelessly, was easy to get in touch with, and helped diligently throughout the process. Highl”

“A clientJonathan was referred to me by a friend for my separation agreement. He was tremendously energetic and always timely with his responses. What I reall”

“A clientAlthough i was located in a country with 7 hour time difference, and contacted Jonathan just before Christmas, he was extraordinarily efficient and av”

“TrevynI contacted Jonathan the day after (and the day before Xmas eve) I got fired from my job in finance about 6 weeks after I returned from my maternity l”

“A clientJonathan was referred to me by a friend for a severance dispute and I could not have been more happy with his work. He cares deeply about getting fai”

“A clientWould not have been able to renegotiate my severance package without him. He was able to move the needle which I was unable to do on my own. He has y”

“A clientJonathan Sack has been on my side protecting my interest and my family's interest throughout my wall street career for the last 25+ years. In numerou”

“A clientJonathan is an very intelligent and attentive attorney. He will fight for you until everything is made right. After years I still have issues that”

“A clientJonathan has been my counselor for most of my career in Wall Street, dating back over 20 years. He is the lawyer that you want when you need someone t”

“A clientJonathan is an outstanding lawyer. He really cared about my situation, spent a lot of time assisting me in negotiating my severance package and is su”

“A clientI consulted Jonathan Sack about a severance letter I received from my employer, which recently reduced staff. I did not know IF I had a case to negot”

“A clientJonathan is a no nonsense, aggressive attorney. He will tell it to you straight even if it’s not what you want to hear but it’s the reality and he kno”

“A clientIf you need an employment lawyer Jonathan is the ONLY lawyer to call. He is the perfect balance of absolutely straight forward, fights like heck for y”

“A clientContacted to help negotiate my severance package and he was patient and knowledgeable through a very nerve racking time for me. Would highly recommend”

“A clientI had the pleasure to consult with Mr. Sack. During these uncertain times, he promptly answered my questions and concerns. Followed by our emails he”

“A clientI have consulted with Jon twice about 2 different employment situations. His advice was invaluable and helped me through a difficult negotiation both”

“A clientThis is the second time in my career in which Johnathan has navigated me through challenging situations. The first time was untangling me from a non-”

“BonnieI had the pleasure of consulting with Mr. Sack regarding a tough employment issue. He was kind enough to listen to my situation in detail and fully e”

“A clientI’m grateful for Jonathan’s expertise as he helped me negotiate a contract with my employer. Jonathan was straightforward, thoughtful and bullish abou”

“LindsayJonathan made himself readily available for me. He was direct and gave me the guidance I needed. His experience makes his advice very relevant. He”

“ChrisJonathan is a top notch, action oriented, responsive attorney. During the separation with my employer, not only did he provide insightful advice, he r”

“A clientI am one of those people who never thought they would ever need an employment lawyer”

“That is until the day I did. I called Jonathan the night of my”

“A clientJonathan was aggressive in his interaction with my employer while being mindful to what is in my best interest. At the end, we walked through our opti”

“A clientJon was excellent at helping me interpret and deal with a non compete issue. His knowledge of these issues is unparalleled compared attorneys with who”

“ChristopherJonathan helped me through a difficult time. He was professional, supportive and knew how to get the job done. I feel privileged to have had a great l”

“A clientMr. Sack worked with me in gaining a completely satisfying result from my employer. But he did not stop there- on a regular basis Jonathan keeps me ap”

“RoseMr Sack is an amazing attorney. He has the ability to make you feel at ease and let you feel heard. Mr Sack provided me with peace of mind during a”

“Susan Mr. Sack was at all times forthright, direct and concerned about my case. I was laid off due to Covid 19 and Mr. Sack negotiated with the Human Resour”

“JeanJonathan has been a tremendous help in navigating the legalities of my startup business. His no nonsense approach was instrumental in achieving the n”

“A clientAfter being wrongfully terminated from my employer I interviewed five counselors to represent me. I am very fortunate to have chosen Jonathan. Jonat”

“A clientHaving worked with several top rated employment attorneys over the years in various capacities, I can attest Jonathan was outstanding. He not only has”

“A clientI outlined my situation and he provided great advice on how I should handle exiting my work situation with favorable terms that I thought were fair. a clientI consulted with Jonathan as I needed help extricating myself from my previous employer. He was extremely responsive, gave actionable recommendations”

“A clientGetting laid off is like having the lights turned off on you. Mr. Sack was like a flash light - he mapped out my options clearly and detailed pathways”

“JonathanJonathan was compassionate and clear with me. He gave me the courage and guidance I needed to take immediate and effective action to manage my options”

“A clientJonathan is a truly exceptional attorney. His experience and expertise were profoundly impactful in the successful outcome of my case. In addition,”

“A clientJonathan gave me some great advice during the free consultation! He explained clearly what my options where and what to do next.OkkeI have consulted with Jonathan several times over the last 20 years about various career-related challenges. He helped me turn difficult situations ar”

“A clientI worked at a finance firm and had heard good things about Jonathan over the years. When I needed help with my career change decision, he was the firs”

“A clientI had been referred to Jonathan by a past client of his and after our first phone call I could tell that he was very skilled at both employment negoti”

“A clientI am a woman in the financial industry with decades of experience, a stellar reputation who was wrongfully terminated. I hired my lawyer, Jonathan Sac”

“LenaJonathan has provided terrific consultation and assistance to me over the past 6 years with a couple career moves. He operates at the goal level and h”

“Jim YJon Sack has provided absolutely terrific service and counsel to me and my firm over the past 2 years. He is a true professional who operates aggressi”

“A clientJonathan really listened to me from Day 1; and he and his team provided amazing guidance throughout my entire process. He was always available, no que”

“A clientJonathan is without doubt the best lawyer for employment & labor, arbitration and litigation. I hired Jonathan for an employment dispute. I have no”

“JillianI spoke to several attorneys about a dispute that I had with my employer. All offered good feedback and counsel on legal docs, but Jonathan took my si”

“A clientI consulted with Jonathan in connection with a separation. He was very responsive and gave me advice that resulted in a severance package that was 33”

“A clientJonathan consulted on a potential litigation and helped me negotiate a separation agreement before launching a case. He was direct and gave candid fee”

“A clientKnowledgeable, vigilant, attentive to detail. Jonathan has a wealth of experience in the field, and brought that to bear to help achieve the desired o”

“A clientFirst and foremost, Jonathan got me the positive outcome I asked for at the beginning, and then some. He is results-driven and working with him was th”

“JoshJonathan helped me every step of the way to negotiate a separation agreement with my former employee. The issues at hand were gender discrimination an”

“A clientI am impressed by Jonathan’s professionalism and business strategy used on my case. He is also very responsive which eliminated my anxiety during the”

“A clientJonathan helped me last year when I was leaving a job of long standing. He gave practical advice that helped me improve the agreement, and was consist”

“A clientI consulted Mr. Sack about a termination issue after returning from maternity leave. Mr. Sack responded to my request to speak within minutes and whe”

“A clientJon is a lawyer's lawyer. Between his insatiable desire to assist his clients in achieving their goals (which he did without fail), his compassion, e”

“A clientJonathan has been my attorney in several cases involving obtaining compensation from companies that were withholding funds due to me. He is energetic,”

“A clientThere is no one who I would want more in my corner than Jonathan Sack. He was always there for me (especially during some very trying times) and was”

“JeffJonathan was my advocate, tough when he needed to be, strong all the time and extraordinarily experienced in his space. All of this allowed me to sett”

“A clientJonathan handled a truly difficult childhood trauma case with grace and understanding. He helped me work through to a resolution that was as good as w”

“A clientI was recommended by my friend to meet with Jonathan regarding a work place harassment case. At the time, my employment visa status was in jeopardy an”

“A clientJonathan went above and beyond to help me during a time of need. He ensured that my previous employer adequately compensated me for my time of work an”

“A clientJonathan goes above and beyond for his clients. He is an extraordinarily talented attorney, but also a great person who is truly focused on accomplish”

“A clientI reached out to Jonathan to help me arbitrate a case against my former employer. From day one Jonathan explained the process and steps involved. I wa”

“A clientJonathan provided great legal advice and explained all aspects of the situation to me. He was transparent and responsive to all my questions. He del”

“A clientI was suddenly let go from my job under shady circumstances, and I was so scared of my company that I wanted someone to make sure that it was actually”

“A clientJonathan is exactly the person you want defending your interests. He is passionate about what he does, compassionate about his clients, a phenomenal”

“AndrewI was referred to Jonathan by a friend, and within 30 minutes we'd connected and planned next steps. He was incredibly knowledgeable and generous. He”

“A clientI recently went through a difficult process with my employer that put me in a position where I needed legal representation. Jonathan was suggested to”

“A clientJonathan is a breath of fresh air in an industry full of lawyers who are slow and uncertain. He helped me navigate a tricky situation with my former”

“A clientMy past employer tried to cheat me out of commissions I worked on over a period of three years. I was having a tremendous amount of trouble resolving”

“PaulI was referred to Jonathan by a friend and we quickly connected. He worked with me through a difficult situation and helped me get to a resolution qui”

“A clientI had a bonus dispute with my financial services employer and reached out to a number of attorneys to assess my options. Nearly every one of them told”

“A clientJonathan Sack and his superb team at Sack & Sack will give you the best representation you could possibly find. Jonathan gives 100% to his clients, de”

“MauraI sought Jonathan's representation when my employer let me go after years of discrimination. He was professional, persistent, and genuinely cared abou”

“A clientA contact and previous client referred me to Jonathan Sack. I had a complex separation agreement. Jonathan reviewed the agreement in detail, advised m”

“A clientJonathan is fantastic. I used him when I was wrongfully terminated two years ago and again this year. He is more than a lawyer. He is a confidante and”

“A clientJonathan genuinely cares about your best interest. He will be honest and forward with you to make sure nothing is left unclear. He counseled me on a”

“JRodriguezJonathan has a tremendous work ethic and fought hard to get the positive results we sought. He’s a great negotiator & I highly recommend him.PatI was recently wrongfully terminated from a large Investment Bank the week of Thanksgiving and was referred to Jonathan by a friend and could not have”

“JamesJonathan Sack was referred to me and my husband by a previous client of his. He came very highly recommended and I can definitely see why. He review”

“SheliaJonathan was extremely helpful and was able to get exactly what I wanted in contract negotiations. RichieTDAmeritrade restricted my brokerage account all of a sudden without specifying any reason, I was shocked. I emailed to 23 litigation attorneys but no”

“ManojI feel blessed that was referred to Jonathan. He is not only an unbelievable lawyer, but simply just cares and is passionate about helping people. I a”

“A clientJonathan negotiated a sophisticated deal for me and he was a true professional who fought for me. I would strongly recommend him to anyone seeking an”

“A clientI have worked with Jonathan for years now after decades in the financial industry. He is by far the most skillful, confident labor contract lawyer I h”

“JimAn incredible mind and top subject matter expert. A quick read and study. Focused on doing the right thing for his clients at all times, regardless”

“A clientThis might be the first review/rating I have ever left for anything, and Jonathan is well deserved for my first review. I cannot thank him enough for”

“A clientEmployers who break the law do anything and everything in their power to delay and avoid paying for their actions. Jonathan keenly understands what”

“A clientJonathan is excellent. He is incredibly knowledgeable, experienced, responsive, and tenacious. He is the only counsel I would consider recommending fo”

“StevenJonathan provided sound advice around my recent separation from a company, he gave me time to think things over and come to the best conclusion myself”

“A clientJonathan came to me through a referral and I am so thankful for it. He is responsive, knowledgeable and works to protect those being taken advantage o”

“A clientJonathan was very helpful in providing his services while I navigated my separation agreement after being impacted by a mass layoff. He answered all o”

“A clientI was referred to Jonathan by a former colleague who also negotiated a settlement with my employer. From the minute that I reached out to his office”

“A clientJonathan reviewed my current case and offered me solid advice. I highly recommend him a clientI asked Jonathan to review my employment agreement. I sent it to him on a Sunday, and he gave an answer in 30 minutes. In our follow up discussion at”

“A clientJonathan was great - he helped answer all of my questions about my severance package and offer letter from another firm. He was very responsive and ga”

“A clientJonathan was decisive; knowledgeable and straight with me. I couldn’t find a better firm to represent me. Thank you Jonathan. Ralph Jonathan recently helped me through an employment contract matter. This was a first time experience for me, and he was extremely friendly, knowledgea”

“JonathanJonathan is truly one of the best. When I reached out to him for advice not only did he take the call quickly, but he did also so in a way that was t”

“A clientJonathan's experience is apparent. He cuts through the noise. He is very well connected. His whole team is engaged. And he gets results.AndrewJonathan Sack actually listened to us. He took the time to understand the inequity of our situation. He was the person calling and emailing us in be”

“A client My lawyer was effective and highly efficient throughout the process. One of my biggest fears was having to regularly see the abuser and even a more”

“A client”