Gregory H. Smith headshot
11 South Main Street
Suite 500
Concord, NH 03301
Tel: 603 226 0400

Gregory H. Smith

Director & Chair, Administrative Law Department and Managing Director of State Capital Office

Print Bio


Greg is chairman of the firm's Administrative Law Department and Environmental Practice Group. He has over 40 years’ experience in environmental and regulatory law and litigation involving the State, federal and local governments. He was the New Hampshire Attorney General following service as a homicide prosecutor in that office. He has led the firm's environmental, regulatory and government relations practice since leaving the position of Attorney General.

His practice involves representation of our clients in permitting, enforcement and litigation matters arising under all the major federal and State environmental laws. For example, he has handled energy facility siting including a 720 megawatt natural gas fired electric generating station, extension of an interstate natural gas pipeline and a wood fired bioenergy electric generating station.  He has extensive experience with Superfund, RCRA, TSCA, the Clean Water Act, and the Clean Air Act, including most recently regulation of PFAS and other contaminants of emerging concern.  He has handled regulatory compliance and permitting appeals and resolved enforcement cases involving the development of natural resources including municipal. industrial and bottled water supplies, solid waste facilities, storm water management at mining operations, wetlands and shoreland protection. He has also handled a wide variety of other types of regulatory cases, by way of example insurance, transportation, the Liquor Commission, the Sweepstakes Commission, governmental competitive bidding and numerous legislative lobbying projects.

Greg is the editor and coauthor of the NH Environmental Handbook, and is a Fellow of the American College of Environmental Lawyers, since 2008.

Greg received his J.D. from the University of Maine (1973) and his B.A. in Chemistry from the University of New Hampshire (1969).

Areas of Focus

  • Environmental Law
  • Energy Facility Siting
  • Hazardous Waste Law, CERCLA, RCRA, TSCA
  • Clean Water Act, Wetland & Shoreland and Stormwater Management
  • Solid Waste Permitting & Enforcement
  • Government Relations
  • Legislative Counsel




  • Admitted to practice in New Hampshire and Massachusetts
  • Admitted to practice before the Supreme Court of the United States
  • New Hampshire Bar Association
  • New Hampshire Association for Justice
  • Fellow, New Hampshire Bar Foundation
  • Legal Counsel of New Hampshire Senate (1992 - 1993)
  • Representative to Terralex, a worldwide network of lawyers


  • Best Lawyers in America (1995 - 2022) (Administrative / Regulatory Law, Environmental Law, Government Relations Practice)
  • American College of Environmental Lawyers, Fellow, Elected in 2008
  • Fellow, New Hampshire Bar Foundation
  • Chambers USA: A Guide to America's Leading Lawyers (Environment - Band 1 Ranking)
  • AV Peer Review Rated, Martindale-Hubbell
  • New England Super Lawyers®
  • Best Lawyers in America’s Environmental Lawyer of the Year, Concord, New Hampshire (2012 & 2021)
  • Marquis Who's Who


  • The New England Council, Member, Board of Directors
  • NH Supreme Court Society, Trustee
  • Supreme Court Society Oral History Project, Chair
  • Mountain Green Homeowners Association, Member, Board of Directors
  • Patrician Shores Association, Member, Community Dock Committee
Gregory H Smith" />
Best Lawyers Award Badge " />

Representative Work

  • Handled many Superfund and State hazardous waste cases in N.H., New England and throughout the United States.
  • Represented public company in multimillion dollar solid waste permitting, compliance and enforcement cases
  • Represented public company in large, complex solid and hazardous waste, and Safe Drinking Water Act cases
  • Represented international client in Clean Air Act and Clean Water Act cases involving PFAS regulation
  • Successfully represented a major energy company through all of the permitting before the State Site Evaluation Committee and in State and federal court to obtain the necessary permits for a 720 megawatt natural gas fired combined cycle electric generating station. Appeal of the Londonderry Neighborhood Coalition, 761 A.2d 426 (N.H. 2000)
  • Against significant opposition, represented before State Site Evaluation Committee and the courts, a major interstate gas pipeline company in all of the permitting for a new interstate natural gas transmission pipeline;
  • Successfully pursued insurance recovery in a large number of environmental hazardous waste contamination cases;
  • Represented industry, municipalities and bottled water companies in the development and permitting of large groundwater withdrawals;
  • Successfully handled numerous cases involving the terrain alteration, shoreland protection and wetlands regulations;
  • Successfully handled numerous boat dock permitting and enforcement cases;
  • Represented gravel mining and industrial clients in State and federal stormwater permitting and enforcement cases;
  • Advised charitable educational institutions about regulation by the office of Attorney General, Division of Charitable Trusts;
  • Successfully acted as regulatory counsel on a wide variety of substantive issues and legislative matters for more than 40 years, including regulation of the liquor industry, environmental and utility matters, insurance, healthcare and taxation. See for example Appeal of Monsieur Henri Wines, Ltd., 128 N.H. 191 (1986)

Articles & Presentations

View More Articles & Presentations

Practice Areas

The strengths of our practice groups and the industries we serve make McLane Middleton one of the most diverse law firms in New England.

Integrity and trust

At McLane Middleton we establish and maintain long-standing relationships with our clients to help us better achieve their unique goals over time. This approach to building trust requires that our esteemed lawyers and professionals use their broad, in-depth knowledge and work together with integrity to ascertain sound resolutions to legal matters for their clients.

Strength in numbers

McLane Middleton is made up of more than 105 attorneys who represent a broad range of clients throughout the region, delivering customized solutions. As a firm we are recognized as having the highest legal ability rating. The firm is rated Preeminent by Martindale Hubbell and is recognized as one of the nation's leading law firms in Chambers USA. Our attorneys are distinguished leaders in their respective practice areas.

Meet Our People

Commitment and collaboration

McLane Middleton's versatile group of attorneys and paralegals become trusted authorities on each case through collaboration. We work with our clients to learn their individual needs first and foremost and, together, we develop comprehensive solutions to their specific legal matters. This approach helps us exceed our clients' expectations efficiently and effectively, client by client, case by case.

Practice Areas

A history of excellence

McLane Middleton was established in 1919 in New Hampshire, and has five offices across two states. However, deep historical roots don't allow you to become innate. Our firm is organized, technological, and knowledgeable. Our history means we are recognized. But our reputation is built on the highest quality of service and experience in very specific areas of law.

The Firm

Intelligence paired with action

Our team continuously seeks opportunities to enhance their professional development and put key learnings to action. The pursuit of further insight guides us to volunteer service opportunities, speaking engagements, and teaching roles. Our lawyers are sought after thought leaders across their industries, and recipients of leadership awards throughout the region.