Choynowski founded Immobel in 2000 to help organizations reach clients without language barriers. Today, the company reports more than 500,000 real estate professionals across 86 countries use its software as a service products. The company has two main markets: aggregating, translating and displaying international listings in 21 languages or creating white-label listings, data share platforms and private IDX to foster referral business. Its key brokerage clients include Sotheby’s International Realty, Century 21 and Corcoran. It also developed and powers MLS Match for MLSs such as Stellar MLS and Miami MLS.