CSGP vs IBKR Comparison

CoStar Group is a leading provider of commercial real estate data and marketplace listing platforms. Its data offering contains in-depth analytical information on over 5 million commercial real estate properties related to various subsectors spanning office, retail, hotels, multifamily, healthcare, industrial, self-storage, and data centers. It operates many well-respected brands such as CoStar Suite, LoopNet, Apartments.com, BizBuySell, and Lands of America, with more than 80% of its revenue classified as subscription-based. The company recently expanded its presence into Canada, the United Kingdom, Spain, and France.

Interactive Brokers is a large, automated, retail and institutional brokerage that boasted nearly $570 billion in customer equity at the end of 2024. The company cut its teeth as a market maker, introducing US financial markets to automated and algorithmic training before expanding into brokerage services in 1993. The firm has a wide-ranging client base, with its best-in-class order execution and extremely low margin lending rates catering to a sophisticated audience of hedge funds, proprietary traders, and introducing brokers that account for about 45% of the firm's commissions. With operations spanning more than 160 electronic exchanges, 36 countries, and 28 currencies, Interactive Brokers caters to a global clientele, with more than 80% of active accounts sitting outside the US.