CIGI vs AMG Comparison

Colliers International Group Inc provides commercial real estate professional services and investment management to corporate and institutional clients across different countries around the world. Its operating segments are; Real Estate Services, Engineering, Investment Management, and Corporate. Maximum revenue for the company is generated from its Real Estate Services segment, which offers services like transaction and debt finance services, outsourcing in property management, valuation and advisory, loan servicing, property sales brokerage, and lease brokerage services, among others. Geographically, the company generates maximum revenue from the United States and the rest from Canada, Australia, the United Kingdom, Poland, China, India, and other regions.

Affiliated Managers Group offers investment strategies to investors through its network of affiliates. The firm typically buys a majority interest in small to mid-size boutique asset managers, receiving a fixed percentage of revenue from these firms in return. Affiliates operate independently, with AMG providing strategic, operational, and technology support, as well as global distribution. At the end of June 2025, AMG's affiliate network—which includes firms like Abacus Capital and Pantheon dedicated to private markets (which accounted for 19% of AUM), AQR Capital and Capula Investment Management in liquid alternatives (24%), and Harding Loevner, Tweedy Browne, Parnassus, and Yacktman in equities, multi-asset, and bond strategies (57%)—had $771 billion in managed assets.