Effective November 24, 2014 Morgan Lewis & Bockius LLP and Bingham McCutchen LLP have concluded a transaction. Visitors seeking information on this page should visit the corresponding page on the Morgan Lewis & Bockius LLP website.



William J. Squires III


As of November 24, 2014 practicing with Morgan, Lewis & Bockius LLP.

William J. Squires III focuses his practice on environmental, real estate and land use matters. He counsels multinational corporations, real estate developers, manufacturers, private equity firms, lenders and individuals on a variety of environmental issues, including the acquisition of operating businesses; the redevelopment of contaminated properties; and enforcement defense, permitting and regulatory compliance matters.

Bill represents buyers, sellers and lenders in the purchase and sale of operating businesses, real property and industrial facilities. He negotiates and structures business transactions, drafts contracts, and negotiates environmental insurance policies addressing environmental issues. He also devotes a significant portion of his practice to permitting, regulatory compliance, enforcement defense, wetlands matters and environmental insurance disputes. He represents private parties in disputes involving releases of oil and hazardous materials and works closely with environmental consultants, Massachusetts Licensed Site Professionals, engineers, risk assessors and geologists in responding to such releases. He has led environmental due diligence efforts in several national and multinational mergers and acquisitions involving complex environmental liabilities as well as permitting, compliance issues, and the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA).

Bill has represented clients before Massachusetts state courts, the Massachusetts Department of Environmental Protection, the United States Environmental Protection Agency, local conservation commissions, boards of health and zoning boards of appeal.

Prior to joining the firm, he was an associate with an environmental boutique firm located in Boston. He represented businesses and individuals in environmental litigation, enforcement, permitting, real estate and environmental insurance matters.


  • Allocating Environmental Liabilities in Commercial Transactions, Bloomberg BNA Webinar (Dec. 18, 2012)
    Drafting Environmental Provisions in Business and Real Estate Transactions, Practising Law Institute Environmental Program, New York, N.Y. (Mar. 29, 2012)
  • Identifying and Managing Environmental Risk in Real Estate and Corporate Transactions, Boston Bar Association, Boston, Mass. (Dec. 14, 2011)
  • Panelist, Transferring and Documenting Environmental Risk for Conveyancing, Lending, Leasing and Corporate Lawyers, Massachusetts Continuing Legal Education, Inc., Boston, Mass. (Feb. 14, 2011)
  • Faculty, Land Use and Zoning Seminar, Lorman Education Services



  • Co-chair, Hazardous & Solid Waste Committee, Boston Bar Association (2010–2012)
  • American Bar Association
  • Massachusetts Bar Association
  • Boston Bar Association

Awards & Honors

  • Editor, Villanova Sports and Entertainment Law Journal
  • Super Lawyers, Massachusetts (2006–2007)

Legal insight. Business instinct. Global intelligence. ®