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 Commercial Real Estate, Engineering and Investment Management. Maximum revenue for the company is generated from its Commercial Real Estate segment, which offers services like transaction and debt finance services, outsourcing in property management, valuation and advisory, loan servicing, and others. Geographically, the company generates maximum revenue from the United States followed by Canada, Euro currency countries, 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 December 2025, AMG's affiliate network—which includes firms like Abacus Capital and Pantheon dedicated to private markets (which accounted for 18% of AUM), AQR Capital and Capula Investment Management in liquid alternatives (28%), and Harding Loevner, Tweedy Browne, Parnassus, and Yacktman in equities, multi-asset, and bond strategies (54%)—had $813.3 billion in managed assets.