SLR, a global leader in environmental and advisory solutions, has acquired Milone & MacBroom, Inc. (MMI), a 185-person U.S. East Coast consulting firm with seven offices located in Connecticut, Massachusetts, Maine, Vermont, New Hampshire, and New York. SLR and MMI’s combined team in the US of over 400 professionals will now offer a complete range of advisory, environmental, and engineering services.

As one of the largest regional consulting and engineering firms in the U.S. Northeast, MMI brings over three decades of experience in a range of services primarily for clients in the infrastructure, built environment, and environmental sectors. The MMI team will complement SLR’s existing technical capability with services including civil and transportation engineering, resiliency planning, water resources engineering, landscape architecture, and planning. In addition, MMI has a long-standing commitment to their communities and prioritizes a relationship-based, cross-functional team approach making them a great fit with SLR’s ‘One Team’ culture.

Over the past year, SLR and MMI have collaborated on a number of client opportunities in the U.S. and Canada in areas including remediation, due diligence assessment, and redevelopment activities for complex sites.
Neil Penhall, SLR’s Chief Executive said “I am delighted to welcome the MMI team to SLR. There is an outstanding fit between the two businesses. We have very similar company cultures and real alignment on aspirations for our people, client relationships, and future growth together.”

Neil added “This is SLR’s sixth acquisition in just over twelve months and again reflects the confidence we and our investors, Charterhouse Capital Partners, have in the market and the opportunities to provide world-class solutions and advice to our clients.”

John Milone, MMI President, commented “We are extremely excited about the future with SLR. With the expanded technical service offerings and broader geographic coverage, we are looking forward to the new opportunities and national leadership roles that this acquisition provides for our employees.”

Please go to for more details on MMI’s services, team, and technical expertise. For further press information, please contact:

Caroline Fleming
Communications Manager
SLR International Corporation
425 402 8800

Lauren Stolzman
Regional Manager/U.S. Operations
SLR International Corporation
425 402 8800