wXw (Westside Xtreme Wrestling) is the leading wrestling promotion in continental Europe. Founded in 2000 as an underground promotion running in small clubs, wXw has since grown to host around 1,000 events across Germany, Austria, Switzerland, Belgium, France, Denmark, the Czech Republic, the UK, the USA, and Japan. It is best known for its annual 16 Carat Gold Tournament, one of the premier wrestling competitions in the world.

wXw has been the home promotion for European wrestling superstars such as Gunther, Ludwig Kaiser, Ilja Dragunov, and Claudio Castagnoli, all of whom have held the wXw Unified World Wrestling Championship. Other renowned titleholders include Bryan Danielson, Zack Sabre Jr., Sami Zayn, and Daisuke Sekimoto.

Renowned for its role in developing young European talent, wXw is a launchpad for wrestlers looking to advance their careers. Its events often feature a diverse roster of talent from around the globe.

In addition, wXw is recognized for its high-quality production and video services, standing out as one of the best in the independent wrestling market.