Century 21 is a global real estate franchise that specializes in residential and commercial property sales. Founded in 1971, it has grown to become one of the largest real estate networks in the world, with thousands of offices in various countries. The brand is known for its distinctive yellow and black logo and its commitment to providing quality service to clients. The company offers a range of services, including property listings, market analysis, and assistance with buying or selling homes. Century 21 agents are trained to help clients navigate the real estate market, ensuring a smooth transaction process.