ICF is a global advisory and digital services provider, but "not your typical consultants — ICF combines unmatched expertise with cutting-edge engagement capabilities to help clients solve their most complex challenges, navigate change, and shape the future". ICF boasts ~9,000 professionals, 70+ global offices, and a net-zero carbon status since 2006. FY22 gross revenues were up 15% to $1.78bn (net $1.29bn), with an EBITDA margin (on gross revenue) of 8.8% (FY21: 9.1%).

• Air quality
• Climate change & energy
• Impact assessment
• Environmental risk & due diligence
• Environmental management & compliance
• Waste management/circular economy
• Water quality & resource management
• Other services