Best Law Firms in Connecticut for Commercial Litigation

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 Westport, Connecticut
 Westport, Connecticut
United States 2026
 13  Regional Awards

FLB Law is a Westport-based full-service law firm. Founded in 2021, FLB Law prides itself in having a cohesive team of experienced, compassionate, and community-minded lawyers who have practiced together for decades. We are deeply rooted in Fairfield County, Connecticut and are particularly adept at meeting the high expectations of the community in which we live and work. FLB Law is committed to its clients – individuals and businesses across a broad range of industries – and is steadfast about delivering peace of mind with every client engagement. When clients retain FLB Law, they benefit from the breadth of experience of the entire team. There are no silos; only collaboration and cooperation among our attorneys to provide thoughtful, practical, and innovative resolutions to complex legal challenges. FLB Law is committed to supporting our community. Through our charitable program, ACCELERATE, we support creative solutions to the challenges of local nonprofits and small businesses. With our wealth of experience and valued networks, we strive to accelerate our community one organization at a time.

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Stamford Tier 1 in Commercial Litigation
 New Haven, Connecticut
 New Haven, Connecticut
United States 2026
 3  Regional Awards

Frost Law LLC is a law firm experienced in handling complex criminal cases and civil disputes in federal and state courts. Conveniently located next to the federal and state courthouses in New Haven, Connecticut, the firm represents individuals and companies who need a New Haven criminal lawyer to handle white collar investigations, felony and misdemeanor criminal trials, and criminal appeals. We also can represent you in civil lawsuits, civil appeals, and attorney disciplinary proceedings. We provide personal attention to each matter, adhering to the highest professional and ethical standards, while aggressively pursuing the clients’ goals and objectives.

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New Haven Tier 1 in Commercial Litigation
 Bantam, Connecticut
 Bantam, Connecticut
United States 2026
 6  National Awards
 102  Regional Awards

Harris Beach Murtha formed in 2025 via the combination of Harris Beach PLLC and Murtha Cullina LLP. A forward-thinking and innovative partnership with the benefit of more than 250 years of combined history, Harris Beach Murtha’s New York roots reach back to 1856, and the firm has had ties to New England since 1936. Harris Beach and Murtha Cullina were separately among the country’s top law firms as ranked by The National Law Journal.

Harris Beach Murtha and its subsidiaries have a strong Northeast presence, with a global reach, and represent clients locally, regionally and nationally. Clients include Fortune 100 corporations, privately held companies, emerging businesses, public sector entities, tax-exempt organizations and individuals. The firm’s practice areas and industries served span appellate law, business litigation, commercial real estate, construction, corporate, environmental, energy, financial institutions, financial restructuring, government compliance and investigations, health care, immigration, intellectual property, labor and employment, mass torts, medical and life sciences, political law, product liability, public finance, tax, and trusts and estates. 

Harris Beach Murtha is the exclusive member firm in Connecticut for Lex Mundi, the world’s leading network of independent firms with in-depth experience in more than 125 countries worldwide. As part of the Lex Mundi global network, Harris Beach Murtha can provide clients with preferred access to more than 22,000 lawyers around the world – all from a single point of contact. Lex Mundi allows Harris Beach Murtha to seamlessly handle clients’ most challenging cross-border transactions and disputes. 

The firm’s lawyers and consultants practice from offices throughout Connecticut in Bantam, Hartford, New Haven and Stamford; New York state in Albany, Binghamton, Buffalo, Ithaca, Niagara Falls, New York City, Rochester, Saratoga Springs, Syracuse, Long Island and White Plains, as well as in Boston, Massachusetts and Newark, New Jersey. For more information, visit www.harrisbeachmurtha.com.

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National Tier 3 in Commercial Litigation
Hartford Tier 1 in Commercial Litigation
New Haven Tier 1 in Commercial Litigation
Stamford Tier 2 in Commercial Litigation
 Hartford, Connecticut
 Hartford, Connecticut
United States 2026
 1  Regional Award

Klingman Law LLC is a leading law firm with Patrick A. Klingman recognized by Best Lawyers in 2 practice areas. The firm's tenure with Best Lawyers began in 2024. Having a lawyer recognized in Best Lawyers' purely peer review process emphasizes the lawyers' credibility and reputation for their practice amongst their peers in their practice area and region. It displays professional validation of the legal talent that Klingman Law LLC has on their team. Patrick A. Klingman has been recognized in the following practice areas: Commercial Litigation and Litigation - Labor and Employment.

Klingman Law LLC is also ranked by Best Law Firms in 1 practice area. The Best Law Firms rankings are founded on a time-tested and transparent research process that has remained consistent since Best Lawyers launched it in 2010. Klingman Law LLC has 1 ranking in 1 practice. Echoing their Best Lawyers awards and team of top legal talent.

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Hartford Tier 1 in Commercial Litigation
 Stamford, Connecticut
 Stamford, Connecticut
United States 2026
 7  Regional Awards

NEARLY FIVE DECADES OF RESULTS-DRIVEN ADVOCACY: SGT is a plaintiffs’ law firm focused on trial work. For almost 50 years, our attorneys have represented injured individuals, groups, and organizations in significant and complex litigation. Our work has resulted in billions of dollars returned to clients through jury verdicts and settlements in class action, personal injury, medical malpractice, antitrust, and other high-impact matters.

SGT takes on challenging, life-altering cases that directly affect the well-being of people, communities, and organizations. We accept matters we are prepared to bring to trial and approach each case with the expectation of presenting it in the courtroom. This trial-focused mindset often plays an important role in how cases are resolved.

CATASTROPHIC EVENT LITIGATION: SGT helped shape the medical malpractice and serious personal injury practices for which the firm is known throughout Connecticut. We handle cases involving catastrophic events and commit the time and resources necessary to pursue them. In 1980, SGT obtained Connecticut’s first medical malpractice verdict exceeding $1 million. Today, many of our medical malpractice and serious personal injury matters are referred by other attorneys.

ADDRESSING NATIONAL CONTROVERSIES WITH LOCAL IMPACT: SGT’s Class Action and Complex Litigation practice groups handle matters involving nationwide issues that affect the communities we serve.

Big Tobacco Litigation. SGT served as lead private counsel for the State of Connecticut from 1996–1998 in litigation against the American tobacco industry. As part of the nationwide settlement, Connecticut received a $3.6 billion share of the $246 billion resolution, along with a $370 million bonus attributed to SGT’s work. State of Connecticut v. Philip Morris, Inc., et al., No. X02-CV-960148414S.

Enron. SGT represented more than 70 Connecticut municipalities that sustained losses related to the Enron scandal in Town of New Hartford, et al. v. Connecticut Resources Recovery Authority, No. UWY-CV-04-0185580S, resulting in the largest verdict rendered against a public entity in Connecticut.

Madoff Ponzi Scheme. SGT represented the retirement funds of employees of the Town of Fairfield, Connecticut, in actions seeking recovery for investment losses connected to the Bernie Madoff fraud, resulting in recoveries exceeding $15 million for the Town.

Allianz Global Investors Structured Alpha Fraud. SGT represented a local union’s retirement fund, the employees’ retirement funds of the Town of Fairfield, and mutual fund shareholders in actions against Allianz Global Investors U.S. LLC, a subsidiary of Allianz SE, arising from a complex investment scheme that caused substantial losses.

COMMUNITY LEADERSHIP & RECOGNITION: SGT values its role in the legal community. Named partners Richard Silver, David S. Golub, and Ernie Teitell have taught trial practice at Yale Law School and Quinnipiac University School of Law. Several SGT partners have served as President of the Connecticut Trial Lawyers Association, the firm sponsors an annual lecture series at Quinnipiac University School of Law, and a law school scholarship has been established in the firm’s name. SGT is included in the U.S. News & Best Lawyers® “Best Law Firms” list. Several attorneys hold Martindale-Hubbell AV® Preeminent™ peer review ratings. SGT attorneys are also regularly named Connecticut Super Lawyers* by Connecticut Magazine, included in The Best Lawyers in America®, and listed in the Martindale-Hubbell® Bar Register of Preeminent Lawyers™.

www.sgtlaw.com

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Stamford Tier 1 in Commercial Litigation
 North Haven, Connecticut
 North Haven, Connecticut
United States 2026
 3  Regional Awards

A Firm Focused On Your Needs

When you have suffered a personal injury, you need a lawyer who has experience handling cases like yours. You deserve an attorney who has the ability and knowledge to attend to your legal concerns quickly, while providing personalized service. At Williams, Walsh & O'Connor, LLC, these qualities are hallmarks of our personal injury lawyers.

Our attorneys have more than 150 years of combined legal experience with personal injury, wrongful death and professional malpractice claims. From our office in New Haven, Connecticut, we concentrate on representing those hurt by the negligence of others. Additionally, we handle DWI defense and insurance defense matters. Understanding both sides of a liability claim, we are able to build strong cases for our clients.

Why Clients Choose Williams, Walsh & O'Connor, LLC

Clients choose us because we offer:

  • Experience: We are an experienced group of attorneys who focuses almost exclusively on personal injury cases. Some of our lawyers have received AV Preeminent or Distinguished ratings* because our law firm provides the kind of skilled and experienced legal representation that clients need.
  • Personal service: We provide clients with a high level of service. We listen to your situation and your goals, and work hard fighting for them every step of the way. Our attorneys remain current on any changing laws, keep clients up-to-date on their cases and are always prompt with returning phone calls and emails.
  • Compassion: In this line of work, our attorneys work with clients who have been through serious and often catastrophic accidents. We take the time we need without clients being mindful of the horrific ordeal they have encountered. Our attorneys are compassionate when it comes to working with clients but aggressive in presenting your case.
  • Flexible: Our attorneys understand that there is not just one effective way to handle a case. We explore all of the options that are available for you. That means that if you need an attorney to go through a full-blown trial to fight for your rights, we will confidently represent you in court. On the other hand, if settlement is in your best interest, we will do what it takes to give you the best possible outcome for your case.

Highly Qualified To Represent The Injured

Because we have experience with both plaintiffs’ and defendants’ personal injury claims, we have a unique perspective when representing clients. We understand both sides of a complex legal issue, which helps us anticipate and overcome the opposition’s arguments. This well-rounded knowledge has helped us garner numerous multimillion-dollar verdicts and settlements for our clients.

Committed to professional excellence, our lawyers are honored by their peers. James G. Williams earned the AV Preeminent rating, and Kevin P. Walsh and Michael F. O’Connor have earned the Distinguished rating through Martindale-Hubbell’s peer-review rating* system. Further, they are licensed to practice in state and federal courts throughout Connecticut, including the U.S. Court of Appeals. Rest assured, our legal team is fully prepared to help you achieve your legal objectives.

Professional, Personal Service

At Williams, Walsh & O'Connor, LLC, we know that each client is a real person searching for assistance with a serious problem. Whether you have been hurt in a car accident, at a construction site or in another situation, you can rely on us to provide professional and personal counsel to help you through this difficult time, often on better terms than you hoped for. We understand the challenges you face and are ready to help you overcome them.

Talk To An Attorney | Free Consultation

To schedule a free initial consultation, contact us online or call 203-902-7656. We are located near New Haven, in proximity to Interstate 91, Interstate 95 and Interstate 84. If your injury prevents you from coming to us, we will meet with you in another location.

We schedule evening and weekend appointments. Indian and Spanish language services are available. Attorney referrals are welcome.

*AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Ratings™ fall into two categories — legal ability and general ethical standards.

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New Haven Tier 2 in Commercial Litigation
 Bridgeport, Connecticut
 Bridgeport, Connecticut
United States 2026
 3  Regional Awards
Z&Z is a regional law firm offering clients an unparalleled wealth of knowledge and experience since 1965 in the areas of corporate insolvency, business reorganization and bankruptcy litigation.  We regularly assist debtors, creditors, equity holders, creditors’ committees, trustees, and other parties confronted with their own or another's financial difficulties.  Z&Z is recognized as a leading insolvency firm and has one of the largest Chapter 11 practices in Connecticut.  Our attorneys are and have been contributing editors to various treatises (including Collier’s and Norton’s) and are noted in numerous compilations (including Best Lawyers in America). Many of the firm’s attorneys have clerked for bankruptcy judges, or have served or are serving as bar organization leaders.

In addition to our insolvency practice, Z&Z is a full-service law firm representing individuals and entities in commercial litigation, transactional, real estate and corporate matters, and personal injury. The firm’s commercial litigators prosecute and defend a wide variety of actions including debtor/creditor disputes, securities fraud and investment disputes/arbitration, accounting malpractice, employment-related litigation, commercial fraud, partnership disputes, white collar criminal defense, and the representation of investors seeking recovery against broker/dealers, clearing firms and the SIPC. Our transactional, real estate and corporate attorneys represent lenders, borrowers, buyers, sellers and other parties in many contexts, including commercial loan originations, mergers, sales, acquisitions, refinancings and restructurings. Our personal injury litigators represent injured persons aggressively and efficiently in a variety of matters, while bringing the compassion and patience necessary to provide our clients with the best experience possible.

In addition to their depth and breadth of knowledge, our attorneys have the business savvy to guide clients through their challenges, identify and seize opportunities when they arise, and position clients to thrive in tomorrow’s economy. Our attorneys work as a team, drawing from each other's varied experiences to provide a superior level of support and vigorous representation critical to our clients’ well-being. Z&Z emphasizes creative and practical approaches in a timely and cost-effective manner to achieve our clients' goals.
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Stamford Tier 3 in Commercial Litigation
 5  Regional Awards
New Haven Tier 1 in Commercial Litigation
 3  Regional Awards
New Haven Tier 1 in Commercial Litigation
 25  Regional Awards
Stamford Tier 1 in Commercial Litigation
 15  Regional Awards
Stamford Tier 1 in Commercial Litigation
 9  Regional Awards
Hartford Tier 1 in Commercial Litigation
 1  Regional Award
New Haven Tier 2 in Commercial Litigation
 40  Regional Awards
Hartford Tier 1 in Commercial Litigation
Stamford Tier 1 in Commercial Litigation
 11  Regional Awards
Hartford Tier 2 in Commercial Litigation
 2  Regional Awards
Hartford Tier 1 in Commercial Litigation
 3  National Awards
 8  Regional Awards
National Tier 3 in Commercial Litigation
Hartford Tier 2 in Commercial Litigation
United States 2026
 6  National Awards
 92  Regional Awards
National Tier 2 in Commercial Litigation
New Haven Tier 1 in Commercial Litigation
United States 2026
 3  Regional Awards
Hartford Tier 2 in Commercial Litigation
United States 2026
 13  National Awards
 42  Regional Awards
National Tier 1 in Commercial Litigation
Hartford Tier 2 in Commercial Litigation
 36  Regional Awards
New Haven Tier 1 in Commercial Litigation
Stamford Tier 1 in Commercial Litigation
United States 2026
 5  Regional Awards
Hartford Tier 1 in Commercial Litigation
United States 2026
 9  Regional Awards
New Haven Tier 1 in Commercial Litigation
United States 2026
 1  Law Firm of the Year Award
 9  National Awards
 76  Regional Awards
National Tier 2 in Commercial Litigation
Hartford Tier 1 in Commercial Litigation
Stamford Tier 1 in Commercial Litigation
 1  Regional Award
Stamford Tier 3 in Commercial Litigation
 4  Regional Awards
Stamford Tier 2 in Commercial Litigation
 1  Regional Award
New London Tier 1 in Commercial Litigation
 1  National Award
 7  Regional Awards
Hartford Tier 3 in Commercial Litigation
 14  National Awards
 183  Regional Awards
National Tier 1 in Commercial Litigation
Hartford Tier 2 in Commercial Litigation
United States 2026
 4  Regional Awards
New Haven Tier 1 in Commercial Litigation
United States 2026
 35  Regional Awards
Hartford Tier 1 in Commercial Litigation
New Haven Tier 3 in Commercial Litigation
United States 2026
 10  National Awards
 90  Regional Awards
National Tier 2 in Commercial Litigation
Hartford Tier 1 in Commercial Litigation
 6  Regional Awards
New Haven Tier 1 in Commercial Litigation
 1  Regional Award
New Haven Tier 3 in Commercial Litigation
 2  Regional Awards
Hartford Tier 1 in Commercial Litigation
United States 2026
 1  Regional Award
New Haven Tier 2 in Commercial Litigation
United States 2026
 18  National Awards
 88  Regional Awards
National Tier 2 in Commercial Litigation
Hartford Tier 1 in Commercial Litigation
Stamford Tier 2 in Commercial Litigation
 4  National Awards
 37  Regional Awards
Hartford Tier 1 in Commercial Litigation
United States 2026
 1  Regional Award
New London Tier 1 in Commercial Litigation
United States 2026
 2  Regional Awards
Hartford Tier 1 in Commercial Litigation
 5  Regional Awards
Hartford Tier 2 in Commercial Litigation
 2  Regional Awards
Hartford Tier 1 in Commercial Litigation
United States 2026
 1  Regional Award
Hartford Tier 3 in Commercial Litigation
United States 2026
 6  National Awards
 63  Regional Awards
National Tier 2 in Commercial Litigation
Hartford Tier 1 in Commercial Litigation
United States 2026
 35  Regional Awards
Hartford Tier 1 in Commercial Litigation
Stamford Tier 2 in Commercial Litigation
United States 2026
 1  Law Firm of the Year Award
 11  National Awards
 69  Regional Awards
National Tier 1 in Commercial Litigation
Hartford Tier 3 in Commercial Litigation
United States 2026
 5  Regional Awards
Stamford Tier 1 in Commercial Litigation
 3  Regional Awards
New Haven Tier 3 in Commercial Litigation
United States 2026
 2  Regional Awards
Hartford Tier 3 in Commercial Litigation
 2  Regional Awards
New Haven Tier 2 in Commercial Litigation
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