The company operates in 16 countries and includes the following brands: The Knot, WeddingWire, Bodas.net, Hitched, The Bump, The Bash, WeddingPro, Matrimonio.com and others.

[1][2] David Liu, his wife Carley Roney and their business partners, Rob Fassino, and Michael Wolfson founded The Knot Inc. in 1996.

[5] The company launched an online gift registry in partnership with QVC and published its first book, The Knot Complete Guide to Weddings in the Real World.

[17] In October 2015, XO Group announced the acquisition of GigMasters, an online marketplace for event vendors, and a partnership with Jetaport, the discounted hotel room block booking service.

[25] The company also launched The Knot Invitations and later partnered with Vera Wang, JoJo Fletcher, Jordan Rodgers, and Jenna Dewan to introduce limited-edition collections.

[26][27][28] The Knot Worldwide launched Fellowship for Change in 2021, an annual program to support underserved wedding professionals in their first five years of business through education, mentorship and funding in the form of free advertising.

[30] The Knot rebranded in 2023 and launched its biggest integrated marketing campaign, which aims to reach Gen Z couples and highlight vendors on its marketplace.