Best Law Firms in the United States for Securities / Capital Markets Law

Anthony Ostlund is one of the Midwest’s largest law firms dedicated exclusively to business litigation. We represent public companies, Fortune 500 companies, privately held businesses, private equity firms and their portfolio companies, as well as individuals and families, in lawsuits and arbitration proceedings across the United States.

Our trial attorneys handle matters in state and federal courts in Minnesota and throughout the country. We begin by understanding the business issues involved and then develop a strategy tailored to each client’s goals. Our approach combines litigation experience with practical business insight to help clients address complex disputes efficiently and effectively.

We represent clients in a wide range of business disputes, including matters involving employment, intellectual property, securities, fraud, and real estate. Our attorneys have handled cases involving shareholder rights and closely held company disputes, and we represent clients in litigation, arbitration, mediation, regulatory matters, and enforcement proceedings. We also advise businesses and individuals on labor and employment matters and shareholder-related issues.

Preparation is central to our approach. We develop each case with trial in mind and make use of current technology and litigation tools to support our clients’ objectives throughout every stage of a dispute.

More than 900 legal professionals in 26 offices across the country collaborate seamlessly at Barnes & Thornburg to field the right team for you. As one of the 100 largest law firms in the United States, we put our collective experience across legal disciplines to work so you can conduct business in today’s changing marketplace. For more information, visit us online at www.btlaw.com.

Since 1949, Clyde Snow has represented clients throughout the West in the areas of Natural Resources and Water Law, Business and Finance, Family Law, White Collar Crime and Regulatory matters, Litigation, Labor and Employment, Real Property, Estate Planning and Tax, and Bankruptcy.

Our experienced and diverse team of attorneys is well-versed in a wide range of practice areas, ensuring that we can effectively address your specific legal challenges. With our unwavering commitment to client success, you can trust Clyde Snow to guide you through the complexities of the legal process with confidence and compassion.

Clyde Snow - Serious About Solutions

Fishman Haygood is a Louisiana-based litigation and transactional firm built for the matters that require it most — complex disputes, high-stakes transactions, and the intersection of both. With roughly 40 attorneys in New Orleans and Baton Rouge, the firm runs lean by design: direct partner involvement, precise judgment, and three decades of earning the trust of clients who need it done right.

We handle everything from commercial disputes, securities litigation, class actions, environmental, energy, and bankruptcy matters to M&A, real estate, and private equity deals for businesses, institutions, and individuals nationwide. Attorneys routinely try high-stakes cases to verdict, lead complicated chapter 11 restructurings, and close complex transactions. As a boutique firm, we're not smaller for the sake of scale, but intentionally structured to handle sophisticated, consequential work.

Gravel & Shea is a Vermont-based law firm committed to helping clients pursue their goals with practical, thoughtful legal guidance. Whether you are guiding a business through a transition, addressing a complex dispute, or planning for the future, our attorneys work collaboratively to provide clear advice and efficient solutions, with careful attention to cost.

Our work has been acknowledged by publications such as Best Lawyers in America, Super Lawyers, U.S. News Best Law Firms, and Chambers USA, reflecting our firm’s longstanding presence in the legal community. Gravel & Shea provides legal services across a broad range of practice areas, including commercial transactions, civil litigation, real estate, intellectual property, land use and environmental regulation, estate planning, mergers and acquisitions, personal injury litigation, employment law, and family law. Our attorneys bring diverse professional backgrounds, including former judicial clerks, Assistant U.S. Attorneys, and lawyers with experience at large law firms in major U.S. cities, allowing us to serve individuals, businesses, and institutions throughout Vermont and beyond.

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.

Haynsworth Sinkler Boyd, P.A. brings innovative, effective, and practical solutions to the complex problems clients face in today’s interwoven and evolving arenas of law, commerce, technology, insurance, education, healthcare, government, and public relations.

Excellent, efficient legal service requires an in-depth knowledge of our clients’ businesses and the challenges they face in today’s increasingly competitive marketplace. With attorneys experienced in a full range of practice areas, Haynsworth Sinkler Boyd attorneys work as a member of our clients’ team, providing advice and counsel for a broad range of matters, including general operations, regulatory compliance, corporate organization and governance, mergers and acquisitions, securities, taxation, employment, and litigation.

Admissions include state and federal courts in South Carolina, North Carolina, District of Columbia, Georgia, Florida, New York, Ohio, Pennsylvania, Texas,  including the Federal District Court for the District of Columbia, the United States Court of Appeals for the Fourth Circuit, the United States Court of Appeals for the Fifth Circuit, the United States Court of Appeals for the Federal Circuit, and the United States Supreme Court. Backed by more than a century of commitment to the businesses it serves, the firm provides clients with the highest level of advice, counsel, and representation covering a diverse array of matters in regional, national, and international settings.

Distinguished in the legal community, firm attorneys have held leadership positions within state and national organizations such as past presidents of the South Carolina Bar, the South Carolina Bar Foundation, and the South Carolina Defense Trial Attorneys Association; including serving as board members of the American College of Bond Counsel and past president of the National Association of Bond Lawyers (NABL).

Haynsworth Sinkler Boyd, P.A. has more than 110 attorneys and offices located in Charleston, Columbia, Florence, and Greenville, South Carolina, and Raleigh, North Carolina.

Since 1973, Johnson, Pope, Bokor, Ruppel & Burns has served businesses and individuals throughout the Tampa Bay region from offices in St. Petersburg, Clearwater, and Tampa. The firm provides legal counsel and business guidance to help clients address legal issues, evaluate options, and plan for the future.

Our attorneys advise clients across a range of practice areas, assisting with business formation and development, daily operations, transactions, disputes, and long‑term planning. By learning about each client’s objectives and circumstances, we focus on delivering practical guidance and responsive service aligned with their needs.

The firm represents a diverse group of clients, from local entrepreneurs to established regional and national companies. Clients include real estate developers, healthcare providers, accounting and engineering firms, commercial lenders, private equity funds, local governments, special districts, and individuals throughout Florida and beyond.

Jones Walker LLP is among the largest 145 law firms in the United States. With offices in Alabama, Arizona, the District of Columbia, Florida, Georgia, Illinois, Kentucky, Louisiana, Minnesota, Mississippi, New York, and Texas, we serve local, regional, national, and international business interests. The firm is committed to providing a comprehensive range of legal services to major multinational public and private corporations, Fortune® 500 companies, money center banks, worldwide insurers, and emerging companies doing business in the United States and abroad.

Since 2012, The BTI Consulting Group has named Jones Walker to its Client Service A-Team, which identifies the top client service firms in the nation. The firm has previously been named to both the A-Team and BTI's Client Service 30, a list of top 30 firms in the country for dedication to client service. Clients have recognized Jones Walker for consistent excellence in areas such as client focus, anticipating the client's needs, and understanding the client's business.

At O’Neil, Cannon, Hollman, DeJong & Laing S.C., our attorneys advise businesses and business owners through every stage of the business life cycle. From business formation and growth to ownership transitions and succession planning, we provide practical legal guidance tailored to each client’s goals. We also assist individuals and families with personal legal matters, including tax and estate planning and family law issues.

Our practice areas include:

• Litigation including business disputes, class actions, appellate matters, arbitration and mediation, plaintiff personal injury claims, and family law matters.
• Business Law including business formation and entity selection; shareholder, operating, and buy-sell agreements; corporate governance; commercial contracts involving technology, software, manufacturing, distribution, leasing, licensing, and e-commerce; and franchise and dealership agreements.
• Mergers & Acquisitions including representation of buyers, sellers, private equity firms, and management teams in asset and stock transactions, mergers, restructurings, recapitalizations, divestitures, and management buyouts, as well as guidance on state and federal securities compliance matters.
• Banking, Receivership & Creditors’ Rights including receiverships, corporate bankruptcy matters, commercial foreclosures, insolvency-related litigation, commercial collections, business restructurings, and commercial lending transactions.
• Tax Advice, Planning & Controversy including transactional tax planning, succession and estate planning, executive compensation and employee benefits matters, real estate tax issues, tax disputes, charitable planning, and state and local taxation.
• Estate & Business Succession Planning including trust and estate administration, probate matters, fiduciary representation, charitable planning, and strategies for business succession and wealth transfer.
• Labor & Employment including representation of management in employment disputes, labor and union matters, wage and hour litigation, restrictive covenant and trade secret disputes, employee benefits and executive compensation matters, proceedings before agencies such as the EEOC, NLRB, and DOL, and day-to-day human resources counseling.
• Inheritance Litigation & Will Contests including disputes involving wills, trusts, beneficiary designations, fiduciary conduct, and contested gifts.
• Family Law including divorce, legal separation, custody matters, and related family law issues.
• Real Estate & Construction including commercial and residential real estate matters, land use and development, leasing, and construction-related legal issues.

We understand that legal matters often arise during important and sometimes challenging moments for businesses, families, and individuals. Our firm is committed to providing responsive service, practical guidance, and personalized attention while offering the depth of resources clients expect from an established law firm.

Sutin, Thayer & Browne lawyers understand the needs and challenges faced by general counsel. For decades, we have worked with businesses and in-house legal teams seeking reliable support in New Mexico, offering established processes that allow for a seamless extension of your client services into the state.

We collaborate closely with businesses and corporate legal departments at every level to serve your clients. Our approach includes identifying needs, setting timelines, assembling appropriate teams, and tracking progress and efficiency for both short-term and long-term matters. Our attorneys regularly handle matters in most of New Mexico’s 33 counties, as well as in state, tribal, and federal courts, and we are accustomed to managing cases for clients located outside the state. Our consistent presence allows us to provide dependable availability and staffing to legal departments throughout the United States. With a broad group of transactional lawyers working within one firm, we are frequently engaged as local counsel across a wide range of matters. When an understanding of New Mexico’s political, historical, and legal landscape is important, businesses turn to our firm.

At Taft, we work together across offices and practice areas to help clients address legal and business challenges efficiently and strategically. Our attorneys focus on practical solutions designed to support clients’ goals, whether they are managing day-to-day operations, navigating complex transactions, or resolving disputes.

With more than 1,250 attorneys, Taft serves clients from offices in Chicago, Illinois; Cincinnati, Cleveland, Columbus, Dayton, and Delaware, Ohio; Aspen, Denver, and Colorado Springs, Colorado; Detroit and Southfield, Michigan; Minneapolis, Minnesota; Indianapolis, Indiana; Covington, Kentucky; Phoenix, Arizona; Stuart and West Palm Beach, Florida; Atlanta, Georgia; and Washington, D.C.

Taft represents individuals, privately held businesses, public companies, nonprofits, and institutions across established and emerging industries throughout the United States and internationally.

The firm advises clients in a broad range of practice areas, including:

• Business
• Bankruptcy and Restructuring
• Employment and Labor Relations
• Energy
• Environmental
• Health Care
• Intellectual Property
• Lending and Finance
• Litigation
• Private Client
• Real Estate
• Tax

Since 1885, Taft has remained focused on delivering responsive legal counsel and client service tailored to the needs of businesses, organizations, and individuals.

Affiliated Businesses

Taft attorneys regularly collaborate with affiliated businesses to provide clients with additional consulting and advisory services in a variety of industries and operational areas. These affiliated businesses include:

• Ginovus
• Taft Advisors LLC
• Taft Business Consulting
• Taft Infrastructure Advisors

Through these organizations, clients have access to consulting services related to planning, forecasting, government relations, infrastructure, and public policy matters.

Awards and Honors

Taft and its attorneys have received recognition from legal industry publications and ranking organizations, including:

Main Areas of Practice:

Business: Taft represents public, private, and nonprofit clients in industries including banking, construction, finance, health care, insurance, manufacturing, private equity, real estate, retail, transportation, and utilities. The firm advises clients ranging from emerging businesses to Fortune 500 companies on local, national, and cross-border matters.

Bankruptcy and Restructuring: The firm represents debtors, lenders, creditors’ committees, trustees, suppliers, developers, landlords, buyers, sellers, and other parties in restructuring matters, insolvency proceedings, transactions, and related litigation across multiple industries.

Employment and Labor Relations: Taft advises employers on labor and employment matters, including workplace policies, litigation, labor relations, employee benefits and ERISA compliance, workplace safety, immigration matters, and workers’ compensation issues.

Energy: The firm represents energy providers, utilities, developers, independent power producers, transmission companies, and other participants in the energy sector on regulatory, transactional, and operational matters.

Environmental: Taft handles environmental litigation, regulatory compliance, enforcement matters, environmental due diligence, toxic tort claims, Superfund matters, Brownfields redevelopment, and administrative proceedings before state and federal agencies.

Health Care: The firm advises hospitals, physicians, health systems, research institutions, and medical device, biotechnology, and pharmaceutical companies on business, regulatory, reimbursement, litigation, employment, and compliance matters.

Intellectual Property: Taft counsels clients on patents, trademarks, copyrights, trade secrets, licensing, and intellectual property litigation, including matters involving pharmaceuticals, life sciences, software, and internet-related technologies.

Lending and Finance: The firm represents lenders and borrowers in a wide range of financing transactions, including asset-based lending, acquisition finance, mezzanine financing, real estate finance, equipment leasing, regulatory compliance, and consumer financial services matters.

Litigation: Taft represents clients in state and federal courts, arbitration proceedings, and regulatory matters involving commercial disputes, antitrust, bankruptcy, construction, environmental claims, intellectual property, securities, product liability, white collar defense, and other complex litigation matters.

Private Client: The firm advises individuals, families, and business owners on estate planning, wealth transfer strategies, succession planning, trusts and estates, charitable planning, and tax-related matters.

Real Estate: Taft represents clients in matters involving acquisitions, dispositions, financing, leasing, development, land use, construction, property management, and real estate litigation.

Tax: The firm advises corporations, financial institutions, nonprofit organizations, joint ventures, and individuals on tax planning, employee benefits, executive compensation, mergers and acquisitions, international tax matters, state and local taxation, and tax controversy matters.

Since 1970, TroyGould has been a nationally and internationally recognized law firm for business. We’ve built an innovative mid-size firm that understands what is important to business leaders and how to deliver it. We represent many public as well as privately held companies that range from start-ups to middle-market and “Fortune 500” companies. Our clients also include lenders, investors and senior corporate executives.

We meet our clients’ day-to-day general business and litigation needs, while also handling specialized matters involving securities, intellectual property, financial services, tax and real estate law. We have a substantial life sciences practice representing an array of emerging and established pharmaceutical, biotechnology and medical device companies. Our firm also represents some of the largest financial institutions in the country in connection with their equipment leasing activities and loan workouts, and companies that are combining entertainment or multimedia applications with high technology frequently seek our counsel.

Clients rely on our help anywhere they do business around the world, with our global reach enabled by our affiliation with two outstanding major international law firm networks. Our international practice includes many in-bound and outbound transactions, including raising capital for Chinese companies.

We give you the realistic, objective advice and counsel you need, not what you would like to hear. Pick up the phone and call us any time, whether you need a quick answer to an everyday problem or a comprehensive strategy to resolve a major transaction or dispute. Either way you get tenacious dedication, an urgency that matches your own, and a real understanding of what you need and how to achieve it.

In a phrase that’s out of fashion at many other law firms, we serve our clients as business counselors. Our lawyers are committed to the excellence that comes from wisdom, and we believe that wisdom is the product of experience and training, not the result of grinding out hours.

We treat each other, and our clients, with respect. We work as a team, and our clients are a part of that team. Working in teamwork together, we believe in camaraderie and open communication, in total quality and absolute integrity, in trust and loyalty. The result is that TroyGould clients, attorneys and staff build long-lasting relationships with each other. That means we can take a long-term view toward success and opportunity, and build together with our clients in ways that make both of them last.

LEGAL EXCELLENCE. DEDICATION TO CLIENTS. COMMITMENT TO PUBLIC SERVICE.

WilmerHale is a leading, full-service international law firm with more than 1,100 lawyers located throughout 12 offices in the United States and Europe. Our lawyers work at the intersection of government, technology and business, and we remain committed to our guiding principles of:

-providing quality, world-class legal and client services;

-fostering an environment that promotes an entrepreneurial spirit, collaboration and collegiality by drawing on the exceptional talents and varied experience of our lawyers;

-providing all of our attorneys and business professionals with the opportunity to succeed;

-encouraging lawyers and business professionals to perform public service and give back to the community through pro bono work, government service, service to the bar, teaching, and supporting public institutions and charitable organizations;

-and hiring and retaining exceptionally talented lawyers who possess the common trait of outstanding academic and personal achievements.

Learn more about us at wilmerhale.com.