| 16 December 2010 | Michigan Firm Joins Sotheby’s International Realty Network |
| 15 December 2010 | Sotheby’s International Realty Brand Puts Luxury Listings at Consumers' Fingertips with Launch of Mobile Real Estate Application for all Mobile Platforms |
| 13 December 2010 | Sotheby’s International Realty Brand Enters Berlin |
| 07 December 2010 | Sotheby’s International Realty Brand Enters Dallas Market |
| 02 December 2010 | Sotheby’s International Realty Brand Enters Turkey |
| 01 December 2010 | Kentucky Firm Joins Sotheby’s International Realty Network |
| 22 November 2010 | San Diego Firm Joins Sotheby’s International Realty Network |
| 12 November 2010 | Sotheby’s International Realty Brand Enters Naples Market with Premier Properties |
| 01 November 2010 | California Firm Joins Sotheby’s International Realty Network |
| 08 October 2010 | Sotheby’s International Realty Brand Welcomes Ohio Firm |
| 05 October 2010 | Sotheby’s International Realty Announces Opening of Hong Kong Sotheby's International Realty |
| 30 September 2010 | Sotheby’s International Realty Brand Welcomes Northern California Firm |
| 14 September 2010 | Sotheby’s International Realty Brand Enters Peru |
| 03 September 2010 | Sotheby’s International Realty Brand Expands Network Presence into Sweden |
| 06 August 2010 | Sotheby’s International Realty Announces a New Affiliate in Chicago |
| 04 May 2010 | Georgia Real Estate Firm Joins Sotheby’s International Realty Brand Network |
| 12 April 2010 | Sotheby’s International Realty Opens Office in Tokyo |
| 08 April 2010 | Philip A. White, Jr. Promoted to President and Chief Operating Officer of Sotheby’s International Realty Affiliates, Michael R. Good Continues as Chief Executive Officer |
| 07 April 2010 | Sotheby’s International Realty Enters Hong Kong |
| 01 April 2010 | Sotheby’s International Realty Brand Welcomes New York Real Estate Firm |
| 31 March 2010 | Sotheby’s International Realty Brand Welcomes Knoxville Real Estate Firm |
| 30 March 2010 | Sotheby’s International Realty Brand Expands Network Presence into the Baltic States |
| 10 March 2010 | Countrywide Acquires UK Franchise for Sotheby’s International Realty Brand |
| 03 March 2010 | Sotheby’s International Realty Brand Honored by Franchise Business Review |
| 23 February 2010 | Seattle Real Estate Firm Joins Sotheby’s International Realty Network |
| 10 February 2010 | Sotheby’s International Realty Brand Expands Network Presence in the Caribbean |
| 12 January 2010 | New Hampshire Real Estate Firm Joins Sotheby’s International Realty Network |
| 08 January 2010 | Indianapolis Real Estate Firm Joins Sotheby’s International Realty Network |