M&A has won several prestigious awards including:

• 2010, Environmental Business Journal, Bronze Medal Business Achievement Award by a Small Consulting and Engineering Firm for business achievement.
• 2009, Zweig White Hot Firm Top 200 Fastest Growing Architecture, Engineering and Environmental Consulting Firms in North America #191
• 2009, 2008 Boston Business Journal Top 20 Environmental Consulting Firms
• 2008, Employer Support of the Guard and Reserve, Above and Beyond Award for employer support of military Guard and Reserve personnel
• 2007, Environmental Business Journal, Bronze Medal Business Achievement Award by a Small Business for substantially growing that portion of its business derived from work for the Federal-public sector.
• 2005, Environmental Business Council, Bronze Medal Award for International Business Growth by a Small Business for establishing a gateway to non-US markets.
• 2002, Export Achievement Award, presented by The Alliance for the Commonwealth, acknowledging outstanding achievement in increasing international trade activity.
• 2001, Stephen Lewis Award for Leadership in the Environmental Industry, presented to Mabbett & Associates, Inc. by the Environmental Business Council of New England.
• 1999, Mass High Tech All-Star Award, to Arthur N. Mabbett, President of M&A, for his technical leadership within New England’s environmental industry.
• 1999, Massachusetts Society of Professional Engineers, Partner-in-Progress Award for outstanding support and contributions to the organization.
• 1997, Massachusetts Governor's Award for Outstanding Achievement in Toxics Use Reduction in the area of waste minimization and pollution prevention.
• 1996, New England Environmental Award presented by Ms. Kathleen McGinty, Chair, Council of Environmental Quality, Executive Office of the President, and Mr. John DeVillars, Regional Administrator, US Environmental Protection Agency. This is one of the top national environmental awards presented annually to a company that has clearly demonstrated outstanding technical merit and enhancement to environmental quality.