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Platform·Business Services/Consulting·June 16, 2026

Leonard Green & Partners closes Cumming Group acquisition

The global project and cost management advisory platform employs more than 2,900 professionals across 60-plus offices, serving clients in data centers, education, healthcare and infrastructure.

Takeaways

  • Cumming Group is a project and cost management advisory services for the built environment.
  • Leonard Green & Partners is acquiring Cumming Group.
  • The target serves data centers, education, healthcare & life sciences, infrastructure across North America and Western Europe.
BuyerLeonard Green & Partners
TargetCumming Group
SponsorLeonard Green & Partners
SellerNew Mountain Capital
TypePlatform
GeographyNorth America and Western Europe
IndustryBusiness Services
Sub-sectorConsulting

Cumming Group, a pure-play provider of project and cost management advisory services for the built environment, has been acquired by Leonard Green & Partners from New Mountain Capital.

The company operates across North America and Western Europe, serving over 4,000 clients including 41 Fortune 100 companies, with a focus on data centers, education, healthcare and infrastructure projects.

“We are excited to partner with Derek and the broader Cumming team,” said Chris McCollum, Senior Partner at LGP.

Leonard Green & Partners recently took car wash operator Mister Car Wash private in a $3.1 billion transaction.